./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:58:27,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:58:27,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:58:27,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:58:27,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:58:27,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:58:27,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:58:27,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:58:27,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:58:27,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:58:27,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:58:27,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:58:27,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:58:27,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:58:27,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:58:27,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:58:27,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:58:27,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:58:27,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:58:27,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:58:27,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:58:27,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:58:27,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:58:27,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:58:27,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:58:27,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:58:27,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:58:27,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:58:27,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:58:27,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:58:27,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:58:27,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:58:27,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:58:27,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:58:27,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:58:27,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:58:27,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:58:27,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:58:27,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:58:27,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:58:27,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:58:27,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-25 23:58:27,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:58:27,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:58:27,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:58:27,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:58:27,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:58:27,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:58:27,377 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:58:27,377 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:58:27,378 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:58:27,378 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:58:27,380 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:58:27,380 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:58:27,380 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:58:27,381 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:58:27,381 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:58:27,381 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:58:27,381 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:58:27,382 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:58:27,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:58:27,383 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:58:27,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:58:27,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:58:27,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:58:27,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:58:27,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:58:27,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:58:27,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:58:27,385 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 23:58:27,386 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:58:27,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:58:27,387 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:58:27,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:58:27,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:58:27,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:58:27,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:58:27,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:58:27,389 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:58:27,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:58:27,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:58:27,408 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:58:27,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:58:27,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:58:27,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:58:27,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 [2022-11-25 23:58:27,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:58:27,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:58:27,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:58:27,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:58:27,726 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:58:27,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2022-11-25 23:58:31,529 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:58:31,962 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:58:31,963 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2022-11-25 23:58:31,988 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/data/861b258bd/341825f6fd7547a2ba9b21eec3d948eb/FLAG34d95c2f4 [2022-11-25 23:58:32,021 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/data/861b258bd/341825f6fd7547a2ba9b21eec3d948eb [2022-11-25 23:58:32,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:58:32,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:58:32,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:58:32,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:58:32,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:58:32,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:58:32" (1/1) ... [2022-11-25 23:58:32,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39496097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:32, skipping insertion in model container [2022-11-25 23:58:32,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:58:32" (1/1) ... [2022-11-25 23:58:32,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:58:32,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:58:32,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:58:33,001 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:58:33,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:58:33,192 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:58:33,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33 WrapperNode [2022-11-25 23:58:33,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:58:33,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:58:33,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:58:33,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:58:33,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,309 INFO L138 Inliner]: procedures = 370, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 236 [2022-11-25 23:58:33,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:58:33,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:58:33,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:58:33,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:58:33,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,387 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:58:33,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:58:33,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:58:33,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:58:33,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (1/1) ... [2022-11-25 23:58:33,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:58:33,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:58:33,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:58:33,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6107e67-ff1d-48c1-88aa-186ce8aee619/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:58:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:58:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:58:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:58:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:58:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:58:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:58:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 23:58:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:58:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:58:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:58:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 23:58:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 23:58:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:58:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:58:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:58:33,549 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 23:58:33,867 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:58:33,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:58:34,563 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:58:34,575 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:58:34,576 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:58:34,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:58:34 BoogieIcfgContainer [2022-11-25 23:58:34,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:58:34,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:58:34,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:58:34,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:58:34,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:58:32" (1/3) ... [2022-11-25 23:58:34,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29944672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:58:34, skipping insertion in model container [2022-11-25 23:58:34,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:33" (2/3) ... [2022-11-25 23:58:34,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29944672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:58:34, skipping insertion in model container [2022-11-25 23:58:34,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:58:34" (3/3) ... [2022-11-25 23:58:34,591 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.i [2022-11-25 23:58:34,603 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 23:58:34,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:58:34,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-25 23:58:34,618 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 23:58:34,757 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 23:58:34,812 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:58:34,832 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 276 places, 274 transitions, 553 flow [2022-11-25 23:58:34,836 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 276 places, 274 transitions, 553 flow [2022-11-25 23:58:34,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 276 places, 274 transitions, 553 flow [2022-11-25 23:58:35,017 INFO L130 PetriNetUnfolder]: 2/273 cut-off events. [2022-11-25 23:58:35,017 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 23:58:35,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 273 events. 2/273 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 257 event pairs, 0 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2022-11-25 23:58:35,043 INFO L119 LiptonReduction]: Number of co-enabled transitions 19488 [2022-11-25 23:59:11,837 WARN L233 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 147 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:59:24,158 WARN L233 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 147 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:59:48,735 WARN L233 SmtUtils]: Spent 21.42s on a formula simplification. DAG size of input: 199 DAG size of output: 197 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:59:59,484 WARN L233 SmtUtils]: Spent 10.75s on a formula simplification that was a NOOP. DAG size: 197 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:00:11,201 WARN L233 SmtUtils]: Spent 11.71s on a formula simplification. DAG size of input: 199 DAG size of output: 197 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:00:16,994 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 197 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:00:23,500 WARN L233 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 222 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:00:51,394 WARN L233 SmtUtils]: Spent 23.01s on a formula simplification that was a NOOP. DAG size: 222 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:01:11,149 WARN L233 SmtUtils]: Spent 19.75s on a formula simplification that was a NOOP. DAG size: 214 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:01:11,157 INFO L134 LiptonReduction]: Checked pairs total: 159008 [2022-11-26 00:01:11,157 INFO L136 LiptonReduction]: Total number of compositions: 166 [2022-11-26 00:01:11,167 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133 places, 131 transitions, 267 flow [2022-11-26 00:01:11,319 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:11,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:01:11,349 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7a840de0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:01:11,349 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-26 00:01:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-26 00:01:11,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:11,368 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-26 00:01:11,369 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:11,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:11,376 INFO L85 PathProgramCache]: Analyzing trace with hash 841, now seen corresponding path program 1 times [2022-11-26 00:01:11,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:11,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974583705] [2022-11-26 00:01:11,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:11,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:11,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:11,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974583705] [2022-11-26 00:01:11,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974583705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:11,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:11,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-26 00:01:11,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586397069] [2022-11-26 00:01:11,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:11,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:01:11,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:11,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:01:11,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:01:11,585 INFO L87 Difference]: Start difference. First operand has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:11,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:11,802 INFO L93 Difference]: Finished difference Result 3791 states and 7511 transitions. [2022-11-26 00:01:11,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:01:11,805 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-26 00:01:11,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:11,842 INFO L225 Difference]: With dead ends: 3791 [2022-11-26 00:01:11,842 INFO L226 Difference]: Without dead ends: 3791 [2022-11-26 00:01:11,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:01:11,848 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:11,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:01:11,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2022-11-26 00:01:12,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3791. [2022-11-26 00:01:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3791 states, 3712 states have (on average 2.0234375) internal successors, (7511), 3790 states have internal predecessors, (7511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 7511 transitions. [2022-11-26 00:01:12,117 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 7511 transitions. Word has length 1 [2022-11-26 00:01:12,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:12,117 INFO L495 AbstractCegarLoop]: Abstraction has 3791 states and 7511 transitions. [2022-11-26 00:01:12,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 7511 transitions. [2022-11-26 00:01:12,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:01:12,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:12,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:12,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:01:12,126 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:12,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:12,127 INFO L85 PathProgramCache]: Analyzing trace with hash -2053504136, now seen corresponding path program 1 times [2022-11-26 00:01:12,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:12,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126165103] [2022-11-26 00:01:12,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:12,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:13,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:13,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:13,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126165103] [2022-11-26 00:01:13,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126165103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:13,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:13,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:01:13,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636573746] [2022-11-26 00:01:13,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:13,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:01:13,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:13,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:01:13,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:13,031 INFO L87 Difference]: Start difference. First operand 3791 states and 7511 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:14,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:14,523 INFO L93 Difference]: Finished difference Result 3996 states and 7917 transitions. [2022-11-26 00:01:14,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:01:14,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:01:14,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:14,546 INFO L225 Difference]: With dead ends: 3996 [2022-11-26 00:01:14,546 INFO L226 Difference]: Without dead ends: 3996 [2022-11-26 00:01:14,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:14,548 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 104 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:14,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 134 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:01:14,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2022-11-26 00:01:14,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3996. [2022-11-26 00:01:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3996 states, 3917 states have (on average 2.0211896859841714) internal successors, (7917), 3995 states have internal predecessors, (7917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3996 states and 7917 transitions. [2022-11-26 00:01:14,682 INFO L78 Accepts]: Start accepts. Automaton has 3996 states and 7917 transitions. Word has length 8 [2022-11-26 00:01:14,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:14,683 INFO L495 AbstractCegarLoop]: Abstraction has 3996 states and 7917 transitions. [2022-11-26 00:01:14,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3996 states and 7917 transitions. [2022-11-26 00:01:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:01:14,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:14,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:14,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:01:14,686 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:14,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:14,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1778764870, now seen corresponding path program 1 times [2022-11-26 00:01:14,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:14,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483171096] [2022-11-26 00:01:14,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:14,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:15,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:15,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483171096] [2022-11-26 00:01:15,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483171096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:15,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:15,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:01:15,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002476973] [2022-11-26 00:01:15,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:15,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:01:15,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:15,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:01:15,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:15,091 INFO L87 Difference]: Start difference. First operand 3996 states and 7917 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:16,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:16,278 INFO L93 Difference]: Finished difference Result 4261 states and 8447 transitions. [2022-11-26 00:01:16,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:01:16,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-26 00:01:16,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:16,305 INFO L225 Difference]: With dead ends: 4261 [2022-11-26 00:01:16,306 INFO L226 Difference]: Without dead ends: 4261 [2022-11-26 00:01:16,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:16,308 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 132 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:16,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 141 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 00:01:16,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2022-11-26 00:01:16,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 4261. [2022-11-26 00:01:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4261 states, 4182 states have (on average 2.0198469631755143) internal successors, (8447), 4260 states have internal predecessors, (8447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:16,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 8447 transitions. [2022-11-26 00:01:16,447 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 8447 transitions. Word has length 9 [2022-11-26 00:01:16,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:16,448 INFO L495 AbstractCegarLoop]: Abstraction has 4261 states and 8447 transitions. [2022-11-26 00:01:16,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:16,448 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 8447 transitions. [2022-11-26 00:01:16,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:01:16,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:16,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:16,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:01:16,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:16,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:16,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1058238749, now seen corresponding path program 1 times [2022-11-26 00:01:16,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:16,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662815691] [2022-11-26 00:01:16,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:16,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:17,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:17,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662815691] [2022-11-26 00:01:17,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662815691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:17,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:17,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:17,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606332177] [2022-11-26 00:01:17,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:17,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:17,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:17,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:17,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:17,292 INFO L87 Difference]: Start difference. First operand 4261 states and 8447 transitions. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:19,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:19,554 INFO L93 Difference]: Finished difference Result 4319 states and 8563 transitions. [2022-11-26 00:01:19,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:01:19,555 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-26 00:01:19,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:19,578 INFO L225 Difference]: With dead ends: 4319 [2022-11-26 00:01:19,578 INFO L226 Difference]: Without dead ends: 4319 [2022-11-26 00:01:19,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:01:19,580 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 253 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:19,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 197 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:01:19,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2022-11-26 00:01:19,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4302. [2022-11-26 00:01:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4302 states, 4223 states have (on average 2.0201278711816246) internal successors, (8531), 4301 states have internal predecessors, (8531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4302 states to 4302 states and 8531 transitions. [2022-11-26 00:01:19,715 INFO L78 Accepts]: Start accepts. Automaton has 4302 states and 8531 transitions. Word has length 11 [2022-11-26 00:01:19,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:19,715 INFO L495 AbstractCegarLoop]: Abstraction has 4302 states and 8531 transitions. [2022-11-26 00:01:19,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 4302 states and 8531 transitions. [2022-11-26 00:01:19,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:01:19,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:19,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:19,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:01:19,719 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:19,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:19,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1011856361, now seen corresponding path program 2 times [2022-11-26 00:01:19,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:19,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473347219] [2022-11-26 00:01:19,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:19,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:20,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:20,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473347219] [2022-11-26 00:01:20,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473347219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:20,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:20,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:20,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405888462] [2022-11-26 00:01:20,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:20,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:20,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:20,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:20,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:20,268 INFO L87 Difference]: Start difference. First operand 4302 states and 8531 transitions. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:22,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:22,032 INFO L93 Difference]: Finished difference Result 4398 states and 8721 transitions. [2022-11-26 00:01:22,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:01:22,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-26 00:01:22,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:22,054 INFO L225 Difference]: With dead ends: 4398 [2022-11-26 00:01:22,054 INFO L226 Difference]: Without dead ends: 4398 [2022-11-26 00:01:22,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:01:22,056 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 272 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:22,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 185 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:01:22,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2022-11-26 00:01:22,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 4317. [2022-11-26 00:01:22,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4317 states, 4238 states have (on average 2.020292590844738) internal successors, (8562), 4316 states have internal predecessors, (8562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4317 states to 4317 states and 8562 transitions. [2022-11-26 00:01:22,187 INFO L78 Accepts]: Start accepts. Automaton has 4317 states and 8562 transitions. Word has length 11 [2022-11-26 00:01:22,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:22,188 INFO L495 AbstractCegarLoop]: Abstraction has 4317 states and 8562 transitions. [2022-11-26 00:01:22,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 4317 states and 8562 transitions. [2022-11-26 00:01:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:01:22,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:22,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:22,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:01:22,191 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:22,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:22,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1501480093, now seen corresponding path program 3 times [2022-11-26 00:01:22,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:22,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779895214] [2022-11-26 00:01:22,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:22,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:22,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:22,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779895214] [2022-11-26 00:01:22,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779895214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:22,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:22,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:22,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169234813] [2022-11-26 00:01:22,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:22,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:22,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:22,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:22,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:22,820 INFO L87 Difference]: Start difference. First operand 4317 states and 8562 transitions. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:24,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:24,310 INFO L93 Difference]: Finished difference Result 8459 states and 16771 transitions. [2022-11-26 00:01:24,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:01:24,311 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-26 00:01:24,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:24,342 INFO L225 Difference]: With dead ends: 8459 [2022-11-26 00:01:24,342 INFO L226 Difference]: Without dead ends: 8459 [2022-11-26 00:01:24,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:01:24,344 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 469 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:24,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 249 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:01:24,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8459 states. [2022-11-26 00:01:24,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8459 to 4332. [2022-11-26 00:01:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4332 states, 4253 states have (on average 2.0204561486009873) internal successors, (8593), 4331 states have internal predecessors, (8593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4332 states to 4332 states and 8593 transitions. [2022-11-26 00:01:24,509 INFO L78 Accepts]: Start accepts. Automaton has 4332 states and 8593 transitions. Word has length 11 [2022-11-26 00:01:24,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:24,510 INFO L495 AbstractCegarLoop]: Abstraction has 4332 states and 8593 transitions. [2022-11-26 00:01:24,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 4332 states and 8593 transitions. [2022-11-26 00:01:24,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:01:24,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:24,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:24,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:01:24,513 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:24,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:24,513 INFO L85 PathProgramCache]: Analyzing trace with hash 539822562, now seen corresponding path program 1 times [2022-11-26 00:01:24,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:24,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121917675] [2022-11-26 00:01:24,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:24,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:25,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:25,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:25,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121917675] [2022-11-26 00:01:25,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121917675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:25,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:25,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:25,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477962659] [2022-11-26 00:01:25,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:25,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:25,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:25,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:25,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:25,053 INFO L87 Difference]: Start difference. First operand 4332 states and 8593 transitions. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:27,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:27,519 INFO L93 Difference]: Finished difference Result 8307 states and 16467 transitions. [2022-11-26 00:01:27,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:01:27,520 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-26 00:01:27,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:27,546 INFO L225 Difference]: With dead ends: 8307 [2022-11-26 00:01:27,546 INFO L226 Difference]: Without dead ends: 8307 [2022-11-26 00:01:27,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:01:27,548 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 602 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:27,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 286 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1590 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:01:27,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8307 states. [2022-11-26 00:01:27,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8307 to 4346. [2022-11-26 00:01:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4346 states, 4267 states have (on average 2.0194516053433325) internal successors, (8617), 4345 states have internal predecessors, (8617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:27,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 8617 transitions. [2022-11-26 00:01:27,689 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 8617 transitions. Word has length 11 [2022-11-26 00:01:27,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:27,690 INFO L495 AbstractCegarLoop]: Abstraction has 4346 states and 8617 transitions. [2022-11-26 00:01:27,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 8617 transitions. [2022-11-26 00:01:27,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:01:27,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:27,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:27,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:01:27,692 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:27,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:27,693 INFO L85 PathProgramCache]: Analyzing trace with hash -950084603, now seen corresponding path program 4 times [2022-11-26 00:01:27,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:27,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842605699] [2022-11-26 00:01:27,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:27,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:28,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:28,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842605699] [2022-11-26 00:01:28,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842605699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:28,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:28,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:28,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557043552] [2022-11-26 00:01:28,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:28,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:28,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:28,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:28,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:28,231 INFO L87 Difference]: Start difference. First operand 4346 states and 8617 transitions. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:30,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:30,723 INFO L93 Difference]: Finished difference Result 8283 states and 16367 transitions. [2022-11-26 00:01:30,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:01:30,724 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-26 00:01:30,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:30,766 INFO L225 Difference]: With dead ends: 8283 [2022-11-26 00:01:30,766 INFO L226 Difference]: Without dead ends: 8283 [2022-11-26 00:01:30,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:01:30,768 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 394 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 1930 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:30,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 503 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1930 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:01:30,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8283 states. [2022-11-26 00:01:30,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8283 to 4243. [2022-11-26 00:01:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4243 states, 4166 states have (on average 2.018963034085454) internal successors, (8411), 4242 states have internal predecessors, (8411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:30,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 8411 transitions. [2022-11-26 00:01:30,897 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 8411 transitions. Word has length 11 [2022-11-26 00:01:30,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:30,898 INFO L495 AbstractCegarLoop]: Abstraction has 4243 states and 8411 transitions. [2022-11-26 00:01:30,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 8411 transitions. [2022-11-26 00:01:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:01:30,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:30,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:30,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:01:30,900 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:30,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:30,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1911742134, now seen corresponding path program 2 times [2022-11-26 00:01:30,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:30,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682490749] [2022-11-26 00:01:30,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:30,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:31,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:31,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682490749] [2022-11-26 00:01:31,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682490749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:31,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:31,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:31,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662408671] [2022-11-26 00:01:31,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:31,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:31,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:31,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:31,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:31,425 INFO L87 Difference]: Start difference. First operand 4243 states and 8411 transitions. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:35,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:35,288 INFO L93 Difference]: Finished difference Result 8266 states and 16333 transitions. [2022-11-26 00:01:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:01:35,289 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-26 00:01:35,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:35,314 INFO L225 Difference]: With dead ends: 8266 [2022-11-26 00:01:35,314 INFO L226 Difference]: Without dead ends: 8266 [2022-11-26 00:01:35,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:01:35,315 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 456 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 2945 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 2994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:35,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 553 Invalid, 2994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2945 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-26 00:01:35,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8266 states. [2022-11-26 00:01:35,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8266 to 4113. [2022-11-26 00:01:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4113 states, 4037 states have (on average 2.019073569482289) internal successors, (8151), 4112 states have internal predecessors, (8151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 8151 transitions. [2022-11-26 00:01:35,451 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 8151 transitions. Word has length 11 [2022-11-26 00:01:35,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:35,452 INFO L495 AbstractCegarLoop]: Abstraction has 4113 states and 8151 transitions. [2022-11-26 00:01:35,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:35,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 8151 transitions. [2022-11-26 00:01:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:01:35,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:35,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:35,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:01:35,454 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:35,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:35,454 INFO L85 PathProgramCache]: Analyzing trace with hash 212902690, now seen corresponding path program 1 times [2022-11-26 00:01:35,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:35,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569256908] [2022-11-26 00:01:35,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:35,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:35,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:35,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569256908] [2022-11-26 00:01:35,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569256908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:35,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:35,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:01:35,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724792459] [2022-11-26 00:01:35,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:35,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:01:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:35,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:01:35,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:35,825 INFO L87 Difference]: Start difference. First operand 4113 states and 8151 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:36,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:36,604 INFO L93 Difference]: Finished difference Result 4314 states and 8549 transitions. [2022-11-26 00:01:36,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:01:36,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:01:36,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:36,616 INFO L225 Difference]: With dead ends: 4314 [2022-11-26 00:01:36,616 INFO L226 Difference]: Without dead ends: 4314 [2022-11-26 00:01:36,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:36,617 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 100 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:36,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 118 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:01:36,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2022-11-26 00:01:36,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 4314. [2022-11-26 00:01:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4314 states, 4238 states have (on average 2.0172251061821616) internal successors, (8549), 4313 states have internal predecessors, (8549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4314 states to 4314 states and 8549 transitions. [2022-11-26 00:01:36,766 INFO L78 Accepts]: Start accepts. Automaton has 4314 states and 8549 transitions. Word has length 14 [2022-11-26 00:01:36,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:36,766 INFO L495 AbstractCegarLoop]: Abstraction has 4314 states and 8549 transitions. [2022-11-26 00:01:36,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4314 states and 8549 transitions. [2022-11-26 00:01:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-26 00:01:36,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:36,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:36,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:01:36,770 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:36,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:36,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2059654645, now seen corresponding path program 1 times [2022-11-26 00:01:36,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:36,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261270418] [2022-11-26 00:01:36,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:36,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:37,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:37,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:37,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261270418] [2022-11-26 00:01:37,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261270418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:37,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:37,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:01:37,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013849757] [2022-11-26 00:01:37,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:37,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:01:37,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:37,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:01:37,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:37,096 INFO L87 Difference]: Start difference. First operand 4314 states and 8549 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:38,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:38,712 INFO L93 Difference]: Finished difference Result 4575 states and 9071 transitions. [2022-11-26 00:01:38,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:01:38,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-26 00:01:38,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:38,724 INFO L225 Difference]: With dead ends: 4575 [2022-11-26 00:01:38,724 INFO L226 Difference]: Without dead ends: 4575 [2022-11-26 00:01:38,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:38,726 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 128 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:38,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 149 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:01:38,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2022-11-26 00:01:38,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4575. [2022-11-26 00:01:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4575 states, 4499 states have (on average 2.0162258279617693) internal successors, (9071), 4574 states have internal predecessors, (9071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 9071 transitions. [2022-11-26 00:01:38,838 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 9071 transitions. Word has length 15 [2022-11-26 00:01:38,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:38,838 INFO L495 AbstractCegarLoop]: Abstraction has 4575 states and 9071 transitions. [2022-11-26 00:01:38,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 9071 transitions. [2022-11-26 00:01:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 00:01:38,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:38,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:38,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:01:38,840 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:38,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:38,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1708523719, now seen corresponding path program 1 times [2022-11-26 00:01:38,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:38,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713464413] [2022-11-26 00:01:38,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:38,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:39,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:39,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713464413] [2022-11-26 00:01:39,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713464413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:39,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:39,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:39,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606365837] [2022-11-26 00:01:39,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:39,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:39,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:39,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:39,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:39,393 INFO L87 Difference]: Start difference. First operand 4575 states and 9071 transitions. Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:41,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:41,136 INFO L93 Difference]: Finished difference Result 9104 states and 18053 transitions. [2022-11-26 00:01:41,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:01:41,137 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-26 00:01:41,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:41,156 INFO L225 Difference]: With dead ends: 9104 [2022-11-26 00:01:41,156 INFO L226 Difference]: Without dead ends: 9104 [2022-11-26 00:01:41,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:01:41,157 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 462 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:41,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 265 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:01:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9104 states. [2022-11-26 00:01:41,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9104 to 4730. [2022-11-26 00:01:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4730 states, 4654 states have (on average 2.015685431886549) internal successors, (9381), 4729 states have internal predecessors, (9381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:41,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4730 states to 4730 states and 9381 transitions. [2022-11-26 00:01:41,296 INFO L78 Accepts]: Start accepts. Automaton has 4730 states and 9381 transitions. Word has length 17 [2022-11-26 00:01:41,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:41,297 INFO L495 AbstractCegarLoop]: Abstraction has 4730 states and 9381 transitions. [2022-11-26 00:01:41,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 4730 states and 9381 transitions. [2022-11-26 00:01:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 00:01:41,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:41,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:41,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:01:41,299 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:41,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:41,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1761803153, now seen corresponding path program 2 times [2022-11-26 00:01:41,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:41,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428680294] [2022-11-26 00:01:41,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:41,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:41,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:41,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428680294] [2022-11-26 00:01:41,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428680294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:41,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:41,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:41,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475623362] [2022-11-26 00:01:41,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:41,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:41,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:41,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:41,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:41,818 INFO L87 Difference]: Start difference. First operand 4730 states and 9381 transitions. Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:43,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:43,601 INFO L93 Difference]: Finished difference Result 4860 states and 9641 transitions. [2022-11-26 00:01:43,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:01:43,601 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-26 00:01:43,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:43,613 INFO L225 Difference]: With dead ends: 4860 [2022-11-26 00:01:43,614 INFO L226 Difference]: Without dead ends: 4860 [2022-11-26 00:01:43,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:01:43,619 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 227 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:43,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 188 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:01:43,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4860 states. [2022-11-26 00:01:43,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4860 to 4730. [2022-11-26 00:01:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4730 states, 4654 states have (on average 2.015685431886549) internal successors, (9381), 4729 states have internal predecessors, (9381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:43,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4730 states to 4730 states and 9381 transitions. [2022-11-26 00:01:43,734 INFO L78 Accepts]: Start accepts. Automaton has 4730 states and 9381 transitions. Word has length 17 [2022-11-26 00:01:43,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:43,734 INFO L495 AbstractCegarLoop]: Abstraction has 4730 states and 9381 transitions. [2022-11-26 00:01:43,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 4730 states and 9381 transitions. [2022-11-26 00:01:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 00:01:43,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:43,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:43,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:01:43,736 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:43,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:43,737 INFO L85 PathProgramCache]: Analyzing trace with hash 723395453, now seen corresponding path program 1 times [2022-11-26 00:01:43,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:43,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704151714] [2022-11-26 00:01:43,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:43,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:44,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:44,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704151714] [2022-11-26 00:01:44,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704151714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:44,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:44,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:44,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007690333] [2022-11-26 00:01:44,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:44,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:44,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:44,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:44,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:44,249 INFO L87 Difference]: Start difference. First operand 4730 states and 9381 transitions. Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:46,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:46,481 INFO L93 Difference]: Finished difference Result 8943 states and 17731 transitions. [2022-11-26 00:01:46,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:01:46,482 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-26 00:01:46,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:46,495 INFO L225 Difference]: With dead ends: 8943 [2022-11-26 00:01:46,495 INFO L226 Difference]: Without dead ends: 8943 [2022-11-26 00:01:46,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:01:46,496 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 590 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:46,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 270 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:01:46,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8943 states. [2022-11-26 00:01:46,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8943 to 4707. [2022-11-26 00:01:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4707 states, 4631 states have (on average 2.0157633340531205) internal successors, (9335), 4706 states have internal predecessors, (9335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 9335 transitions. [2022-11-26 00:01:46,635 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 9335 transitions. Word has length 17 [2022-11-26 00:01:46,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:46,636 INFO L495 AbstractCegarLoop]: Abstraction has 4707 states and 9335 transitions. [2022-11-26 00:01:46,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 9335 transitions. [2022-11-26 00:01:46,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 00:01:46,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:46,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:46,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:01:46,638 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:46,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:46,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1894802001, now seen corresponding path program 3 times [2022-11-26 00:01:46,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:46,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337703778] [2022-11-26 00:01:46,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:46,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:47,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:47,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337703778] [2022-11-26 00:01:47,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337703778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:47,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:47,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:47,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470732287] [2022-11-26 00:01:47,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:47,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:47,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:47,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:47,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:47,269 INFO L87 Difference]: Start difference. First operand 4707 states and 9335 transitions. Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:49,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:49,540 INFO L93 Difference]: Finished difference Result 8923 states and 17640 transitions. [2022-11-26 00:01:49,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:01:49,540 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-26 00:01:49,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:49,556 INFO L225 Difference]: With dead ends: 8923 [2022-11-26 00:01:49,556 INFO L226 Difference]: Without dead ends: 8923 [2022-11-26 00:01:49,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:01:49,557 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 406 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 1741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:49,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 489 Invalid, 1741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:01:49,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8923 states. [2022-11-26 00:01:49,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8923 to 4622. [2022-11-26 00:01:49,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4622 states, 4547 states have (on average 2.0156146910050583) internal successors, (9165), 4621 states have internal predecessors, (9165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:49,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4622 states to 4622 states and 9165 transitions. [2022-11-26 00:01:49,692 INFO L78 Accepts]: Start accepts. Automaton has 4622 states and 9165 transitions. Word has length 17 [2022-11-26 00:01:49,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:49,693 INFO L495 AbstractCegarLoop]: Abstraction has 4622 states and 9165 transitions. [2022-11-26 00:01:49,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 4622 states and 9165 transitions. [2022-11-26 00:01:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 00:01:49,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:49,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:49,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:01:49,695 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:49,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:49,696 INFO L85 PathProgramCache]: Analyzing trace with hash -572977947, now seen corresponding path program 2 times [2022-11-26 00:01:49,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:49,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312583253] [2022-11-26 00:01:49,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:49,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:50,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:50,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:50,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312583253] [2022-11-26 00:01:50,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312583253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:50,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:50,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:01:50,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283981998] [2022-11-26 00:01:50,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:50,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:01:50,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:50,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:01:50,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:50,279 INFO L87 Difference]: Start difference. First operand 4622 states and 9165 transitions. Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:53,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:53,850 INFO L93 Difference]: Finished difference Result 8907 states and 17608 transitions. [2022-11-26 00:01:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:01:53,850 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-26 00:01:53,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:53,864 INFO L225 Difference]: With dead ends: 8907 [2022-11-26 00:01:53,864 INFO L226 Difference]: Without dead ends: 8907 [2022-11-26 00:01:53,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:01:53,865 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 436 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 3022 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 3064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 3022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:53,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 565 Invalid, 3064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 3022 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-26 00:01:53,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8907 states. [2022-11-26 00:01:53,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8907 to 4437. [2022-11-26 00:01:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4437 states, 4362 states have (on average 2.0162769371847777) internal successors, (8795), 4436 states have internal predecessors, (8795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 8795 transitions. [2022-11-26 00:01:53,983 INFO L78 Accepts]: Start accepts. Automaton has 4437 states and 8795 transitions. Word has length 17 [2022-11-26 00:01:53,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:53,983 INFO L495 AbstractCegarLoop]: Abstraction has 4437 states and 8795 transitions. [2022-11-26 00:01:53,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:53,984 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 8795 transitions. [2022-11-26 00:01:53,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-26 00:01:53,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:53,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:53,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:01:53,986 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:53,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:53,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1953743793, now seen corresponding path program 1 times [2022-11-26 00:01:53,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:53,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484164447] [2022-11-26 00:01:53,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:53,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:54,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:54,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484164447] [2022-11-26 00:01:54,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484164447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:54,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:54,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:01:54,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805639915] [2022-11-26 00:01:54,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:54,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:01:54,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:54,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:01:54,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:54,346 INFO L87 Difference]: Start difference. First operand 4437 states and 8795 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:55,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:55,472 INFO L93 Difference]: Finished difference Result 4756 states and 9427 transitions. [2022-11-26 00:01:55,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:01:55,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-26 00:01:55,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:55,480 INFO L225 Difference]: With dead ends: 4756 [2022-11-26 00:01:55,480 INFO L226 Difference]: Without dead ends: 4756 [2022-11-26 00:01:55,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:55,481 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 110 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:55,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 127 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 00:01:55,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2022-11-26 00:01:55,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4640. [2022-11-26 00:01:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4640 states, 4565 states have (on average 2.0146768893756843) internal successors, (9197), 4639 states have internal predecessors, (9197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 9197 transitions. [2022-11-26 00:01:55,595 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 9197 transitions. Word has length 21 [2022-11-26 00:01:55,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:55,595 INFO L495 AbstractCegarLoop]: Abstraction has 4640 states and 9197 transitions. [2022-11-26 00:01:55,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:55,595 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 9197 transitions. [2022-11-26 00:01:55,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:01:55,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:55,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:55,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:01:55,597 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:55,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:55,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1654472072, now seen corresponding path program 1 times [2022-11-26 00:01:55,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:55,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801484934] [2022-11-26 00:01:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:55,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:55,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801484934] [2022-11-26 00:01:55,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801484934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:55,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:55,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:01:55,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083238752] [2022-11-26 00:01:55,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:55,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:01:55,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:55,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:01:55,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:55,936 INFO L87 Difference]: Start difference. First operand 4640 states and 9197 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:57,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:57,185 INFO L93 Difference]: Finished difference Result 5039 states and 9995 transitions. [2022-11-26 00:01:57,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:01:57,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:01:57,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:57,194 INFO L225 Difference]: With dead ends: 5039 [2022-11-26 00:01:57,194 INFO L226 Difference]: Without dead ends: 5039 [2022-11-26 00:01:57,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:57,195 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 136 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:57,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 135 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:01:57,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5039 states. [2022-11-26 00:01:57,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5039 to 4895. [2022-11-26 00:01:57,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4895 states, 4821 states have (on average 2.0134826799419208) internal successors, (9707), 4894 states have internal predecessors, (9707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 9707 transitions. [2022-11-26 00:01:57,290 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 9707 transitions. Word has length 22 [2022-11-26 00:01:57,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:57,291 INFO L495 AbstractCegarLoop]: Abstraction has 4895 states and 9707 transitions. [2022-11-26 00:01:57,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 9707 transitions. [2022-11-26 00:01:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:01:57,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:57,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:57,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:01:57,293 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:01:57,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:57,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1041205182, now seen corresponding path program 1 times [2022-11-26 00:01:57,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:57,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959958279] [2022-11-26 00:01:57,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:57,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:58,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:58,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959958279] [2022-11-26 00:01:58,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959958279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:58,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:58,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:01:58,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702363049] [2022-11-26 00:01:58,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:58,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:01:58,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:58,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:01:58,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:01:58,487 INFO L87 Difference]: Start difference. First operand 4895 states and 9707 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:02,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:02,725 INFO L93 Difference]: Finished difference Result 8228 states and 16317 transitions. [2022-11-26 00:02:02,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-26 00:02:02,726 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:02,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:02,739 INFO L225 Difference]: With dead ends: 8228 [2022-11-26 00:02:02,739 INFO L226 Difference]: Without dead ends: 8228 [2022-11-26 00:02:02,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=449, Invalid=1033, Unknown=0, NotChecked=0, Total=1482 [2022-11-26 00:02:02,741 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 641 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 2469 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 2571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:02,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 378 Invalid, 2571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2469 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:02:02,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8228 states. [2022-11-26 00:02:02,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8228 to 5082. [2022-11-26 00:02:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5082 states, 5008 states have (on average 2.014576677316294) internal successors, (10089), 5081 states have internal predecessors, (10089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5082 states to 5082 states and 10089 transitions. [2022-11-26 00:02:02,872 INFO L78 Accepts]: Start accepts. Automaton has 5082 states and 10089 transitions. Word has length 24 [2022-11-26 00:02:02,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:02,874 INFO L495 AbstractCegarLoop]: Abstraction has 5082 states and 10089 transitions. [2022-11-26 00:02:02,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 5082 states and 10089 transitions. [2022-11-26 00:02:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:02,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:02,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:02,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 00:02:02,876 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:02,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:02,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1031801193, now seen corresponding path program 1 times [2022-11-26 00:02:02,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:02,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993021743] [2022-11-26 00:02:02,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:02,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:04,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:04,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:04,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993021743] [2022-11-26 00:02:04,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993021743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:04,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:04,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:02:04,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42080175] [2022-11-26 00:02:04,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:04,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:02:04,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:04,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:02:04,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:02:04,095 INFO L87 Difference]: Start difference. First operand 5082 states and 10089 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:06,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:06,460 INFO L93 Difference]: Finished difference Result 5233 states and 10391 transitions. [2022-11-26 00:02:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:02:06,461 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:06,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:06,472 INFO L225 Difference]: With dead ends: 5233 [2022-11-26 00:02:06,472 INFO L226 Difference]: Without dead ends: 5233 [2022-11-26 00:02:06,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:02:06,473 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 319 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:06,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 243 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:02:06,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5233 states. [2022-11-26 00:02:06,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5233 to 5127. [2022-11-26 00:02:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5127 states, 5053 states have (on average 2.014446863249555) internal successors, (10179), 5126 states have internal predecessors, (10179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:06,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5127 states to 5127 states and 10179 transitions. [2022-11-26 00:02:06,595 INFO L78 Accepts]: Start accepts. Automaton has 5127 states and 10179 transitions. Word has length 24 [2022-11-26 00:02:06,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:06,595 INFO L495 AbstractCegarLoop]: Abstraction has 5127 states and 10179 transitions. [2022-11-26 00:02:06,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:06,598 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 10179 transitions. [2022-11-26 00:02:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:06,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:06,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:06,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:02:06,603 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:06,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:06,604 INFO L85 PathProgramCache]: Analyzing trace with hash 783495, now seen corresponding path program 2 times [2022-11-26 00:02:06,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:06,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685597568] [2022-11-26 00:02:06,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:06,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:07,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:07,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:07,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685597568] [2022-11-26 00:02:07,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685597568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:07,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:07,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:02:07,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997561325] [2022-11-26 00:02:07,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:07,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:02:07,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:07,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:02:07,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:02:07,715 INFO L87 Difference]: Start difference. First operand 5127 states and 10179 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:10,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:10,240 INFO L93 Difference]: Finished difference Result 5271 states and 10467 transitions. [2022-11-26 00:02:10,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:02:10,241 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:10,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:10,250 INFO L225 Difference]: With dead ends: 5271 [2022-11-26 00:02:10,251 INFO L226 Difference]: Without dead ends: 5271 [2022-11-26 00:02:10,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=367, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:02:10,252 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 412 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:10,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 236 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:02:10,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5271 states. [2022-11-26 00:02:10,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5271 to 5138. [2022-11-26 00:02:10,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5138 states, 5064 states have (on average 2.0144154818325433) internal successors, (10201), 5137 states have internal predecessors, (10201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:10,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5138 states to 5138 states and 10201 transitions. [2022-11-26 00:02:10,332 INFO L78 Accepts]: Start accepts. Automaton has 5138 states and 10201 transitions. Word has length 24 [2022-11-26 00:02:10,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:10,333 INFO L495 AbstractCegarLoop]: Abstraction has 5138 states and 10201 transitions. [2022-11-26 00:02:10,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 5138 states and 10201 transitions. [2022-11-26 00:02:10,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:10,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:10,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:10,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 00:02:10,336 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:10,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:10,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1798912019, now seen corresponding path program 3 times [2022-11-26 00:02:10,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:10,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108330340] [2022-11-26 00:02:10,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:10,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:11,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:11,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108330340] [2022-11-26 00:02:11,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108330340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:11,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:11,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:02:11,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283029271] [2022-11-26 00:02:11,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:11,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:02:11,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:11,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:02:11,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:02:11,348 INFO L87 Difference]: Start difference. First operand 5138 states and 10201 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:13,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:13,527 INFO L93 Difference]: Finished difference Result 5299 states and 10523 transitions. [2022-11-26 00:02:13,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:02:13,528 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:13,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:13,536 INFO L225 Difference]: With dead ends: 5299 [2022-11-26 00:02:13,537 INFO L226 Difference]: Without dead ends: 5299 [2022-11-26 00:02:13,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=421, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:02:13,538 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 390 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:13,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 214 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:02:13,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5299 states. [2022-11-26 00:02:13,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5299 to 5147. [2022-11-26 00:02:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5147 states, 5073 states have (on average 2.014389907352651) internal successors, (10219), 5146 states have internal predecessors, (10219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 5147 states and 10219 transitions. [2022-11-26 00:02:13,622 INFO L78 Accepts]: Start accepts. Automaton has 5147 states and 10219 transitions. Word has length 24 [2022-11-26 00:02:13,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:13,622 INFO L495 AbstractCegarLoop]: Abstraction has 5147 states and 10219 transitions. [2022-11-26 00:02:13,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 5147 states and 10219 transitions. [2022-11-26 00:02:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:13,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:13,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:13,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 00:02:13,626 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:13,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash -820539138, now seen corresponding path program 1 times [2022-11-26 00:02:13,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:13,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78105578] [2022-11-26 00:02:13,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:13,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:14,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:14,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78105578] [2022-11-26 00:02:14,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78105578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:14,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:14,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:02:14,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305651603] [2022-11-26 00:02:14,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:14,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:02:14,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:14,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:02:14,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:02:14,526 INFO L87 Difference]: Start difference. First operand 5147 states and 10219 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:18,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:18,291 INFO L93 Difference]: Finished difference Result 15177 states and 30053 transitions. [2022-11-26 00:02:18,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-26 00:02:18,291 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:18,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:18,319 INFO L225 Difference]: With dead ends: 15177 [2022-11-26 00:02:18,320 INFO L226 Difference]: Without dead ends: 15177 [2022-11-26 00:02:18,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=344, Invalid=846, Unknown=0, NotChecked=0, Total=1190 [2022-11-26 00:02:18,321 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 2225 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 2389 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2225 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 2565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:18,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2225 Valid, 835 Invalid, 2565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2389 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-26 00:02:18,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15177 states. [2022-11-26 00:02:18,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15177 to 5232. [2022-11-26 00:02:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5232 states, 5158 states have (on average 2.014928266770066) internal successors, (10393), 5231 states have internal predecessors, (10393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 10393 transitions. [2022-11-26 00:02:18,526 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 10393 transitions. Word has length 24 [2022-11-26 00:02:18,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:18,526 INFO L495 AbstractCegarLoop]: Abstraction has 5232 states and 10393 transitions. [2022-11-26 00:02:18,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 10393 transitions. [2022-11-26 00:02:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:18,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:18,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:18,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-26 00:02:18,528 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:18,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:18,529 INFO L85 PathProgramCache]: Analyzing trace with hash 140813688, now seen corresponding path program 2 times [2022-11-26 00:02:18,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:18,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421009089] [2022-11-26 00:02:18,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:18,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:19,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:19,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421009089] [2022-11-26 00:02:19,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421009089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:19,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:19,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:02:19,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468373118] [2022-11-26 00:02:19,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:19,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:02:19,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:19,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:02:19,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:02:19,230 INFO L87 Difference]: Start difference. First operand 5232 states and 10393 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:22,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:22,105 INFO L93 Difference]: Finished difference Result 8989 states and 17795 transitions. [2022-11-26 00:02:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-26 00:02:22,106 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:22,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:22,122 INFO L225 Difference]: With dead ends: 8989 [2022-11-26 00:02:22,122 INFO L226 Difference]: Without dead ends: 8989 [2022-11-26 00:02:22,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=847, Unknown=0, NotChecked=0, Total=1190 [2022-11-26 00:02:22,124 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 954 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 954 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:22,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [954 Valid, 583 Invalid, 1827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1741 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:02:22,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8989 states. [2022-11-26 00:02:22,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8989 to 5180. [2022-11-26 00:02:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5180 states, 5106 states have (on average 2.0146886016451235) internal successors, (10287), 5179 states have internal predecessors, (10287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:22,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5180 states to 5180 states and 10287 transitions. [2022-11-26 00:02:22,270 INFO L78 Accepts]: Start accepts. Automaton has 5180 states and 10287 transitions. Word has length 24 [2022-11-26 00:02:22,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:22,270 INFO L495 AbstractCegarLoop]: Abstraction has 5180 states and 10287 transitions. [2022-11-26 00:02:22,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 5180 states and 10287 transitions. [2022-11-26 00:02:22,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:22,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:22,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:22,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 00:02:22,274 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:22,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:22,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1727625918, now seen corresponding path program 2 times [2022-11-26 00:02:22,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:22,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802943749] [2022-11-26 00:02:22,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:22,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:23,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:23,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802943749] [2022-11-26 00:02:23,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802943749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:23,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:23,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:02:23,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809446099] [2022-11-26 00:02:23,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:23,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:02:23,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:23,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:02:23,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:02:23,034 INFO L87 Difference]: Start difference. First operand 5180 states and 10287 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:26,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:26,313 INFO L93 Difference]: Finished difference Result 12519 states and 24834 transitions. [2022-11-26 00:02:26,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:02:26,313 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:26,336 INFO L225 Difference]: With dead ends: 12519 [2022-11-26 00:02:26,337 INFO L226 Difference]: Without dead ends: 12519 [2022-11-26 00:02:26,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:02:26,337 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 1132 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:26,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 902 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:02:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12519 states. [2022-11-26 00:02:26,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12519 to 5193. [2022-11-26 00:02:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5193 states, 5119 states have (on average 2.014651299081852) internal successors, (10313), 5192 states have internal predecessors, (10313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:26,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 5193 states and 10313 transitions. [2022-11-26 00:02:26,476 INFO L78 Accepts]: Start accepts. Automaton has 5193 states and 10313 transitions. Word has length 24 [2022-11-26 00:02:26,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:26,476 INFO L495 AbstractCegarLoop]: Abstraction has 5193 states and 10313 transitions. [2022-11-26 00:02:26,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:26,477 INFO L276 IsEmpty]: Start isEmpty. Operand 5193 states and 10313 transitions. [2022-11-26 00:02:26,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:26,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:26,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:26,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-26 00:02:26,479 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:26,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:26,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1605988552, now seen corresponding path program 3 times [2022-11-26 00:02:26,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:26,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472214229] [2022-11-26 00:02:26,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:26,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:27,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:27,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472214229] [2022-11-26 00:02:27,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472214229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:27,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:27,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:02:27,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334610877] [2022-11-26 00:02:27,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:27,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:02:27,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:27,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:02:27,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:02:27,281 INFO L87 Difference]: Start difference. First operand 5193 states and 10313 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:30,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:30,674 INFO L93 Difference]: Finished difference Result 12419 states and 24640 transitions. [2022-11-26 00:02:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-26 00:02:30,675 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:30,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:30,698 INFO L225 Difference]: With dead ends: 12419 [2022-11-26 00:02:30,699 INFO L226 Difference]: Without dead ends: 12419 [2022-11-26 00:02:30,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=386, Invalid=1096, Unknown=0, NotChecked=0, Total=1482 [2022-11-26 00:02:30,700 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 794 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 2466 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:30,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 720 Invalid, 2516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2466 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:02:30,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12419 states. [2022-11-26 00:02:30,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12419 to 5247. [2022-11-26 00:02:30,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5247 states, 5173 states have (on average 2.016431471099942) internal successors, (10431), 5246 states have internal predecessors, (10431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:30,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5247 states to 5247 states and 10431 transitions. [2022-11-26 00:02:30,819 INFO L78 Accepts]: Start accepts. Automaton has 5247 states and 10431 transitions. Word has length 24 [2022-11-26 00:02:30,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:30,819 INFO L495 AbstractCegarLoop]: Abstraction has 5247 states and 10431 transitions. [2022-11-26 00:02:30,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 5247 states and 10431 transitions. [2022-11-26 00:02:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:30,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:30,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:30,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-26 00:02:30,822 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:30,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:30,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1572973014, now seen corresponding path program 3 times [2022-11-26 00:02:30,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:30,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688235842] [2022-11-26 00:02:30,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:30,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:31,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:31,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688235842] [2022-11-26 00:02:31,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688235842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:31,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:31,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:02:31,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497647766] [2022-11-26 00:02:31,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:31,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:02:31,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:31,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:02:31,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:02:31,550 INFO L87 Difference]: Start difference. First operand 5247 states and 10431 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:33,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:33,961 INFO L93 Difference]: Finished difference Result 8933 states and 17732 transitions. [2022-11-26 00:02:33,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:02:33,962 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:33,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:33,977 INFO L225 Difference]: With dead ends: 8933 [2022-11-26 00:02:33,977 INFO L226 Difference]: Without dead ends: 8933 [2022-11-26 00:02:33,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:02:33,978 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 691 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:33,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 639 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:02:33,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8933 states. [2022-11-26 00:02:34,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8933 to 5214. [2022-11-26 00:02:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5214 states, 5140 states have (on average 2.015758754863813) internal successors, (10361), 5213 states have internal predecessors, (10361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 5214 states and 10361 transitions. [2022-11-26 00:02:34,078 INFO L78 Accepts]: Start accepts. Automaton has 5214 states and 10361 transitions. Word has length 24 [2022-11-26 00:02:34,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:34,078 INFO L495 AbstractCegarLoop]: Abstraction has 5214 states and 10361 transitions. [2022-11-26 00:02:34,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:34,078 INFO L276 IsEmpty]: Start isEmpty. Operand 5214 states and 10361 transitions. [2022-11-26 00:02:34,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:34,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:34,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:34,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-26 00:02:34,080 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:34,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:34,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1760641456, now seen corresponding path program 4 times [2022-11-26 00:02:34,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:34,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808618643] [2022-11-26 00:02:34,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:34,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:34,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:34,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808618643] [2022-11-26 00:02:34,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808618643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:34,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:34,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:02:34,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209779328] [2022-11-26 00:02:34,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:34,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:02:34,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:34,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:02:34,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:02:34,815 INFO L87 Difference]: Start difference. First operand 5214 states and 10361 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:38,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:38,918 INFO L93 Difference]: Finished difference Result 8927 states and 17724 transitions. [2022-11-26 00:02:38,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-26 00:02:38,919 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:38,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:38,936 INFO L225 Difference]: With dead ends: 8927 [2022-11-26 00:02:38,936 INFO L226 Difference]: Without dead ends: 8927 [2022-11-26 00:02:38,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=299, Invalid=757, Unknown=0, NotChecked=0, Total=1056 [2022-11-26 00:02:38,938 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 637 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 2547 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:38,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 695 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2547 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-26 00:02:38,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8927 states. [2022-11-26 00:02:39,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8927 to 5126. [2022-11-26 00:02:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5126 states, 5053 states have (on average 2.014446863249555) internal successors, (10179), 5125 states have internal predecessors, (10179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:39,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5126 states to 5126 states and 10179 transitions. [2022-11-26 00:02:39,056 INFO L78 Accepts]: Start accepts. Automaton has 5126 states and 10179 transitions. Word has length 24 [2022-11-26 00:02:39,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:39,056 INFO L495 AbstractCegarLoop]: Abstraction has 5126 states and 10179 transitions. [2022-11-26 00:02:39,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 5126 states and 10179 transitions. [2022-11-26 00:02:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:39,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:39,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:39,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-26 00:02:39,059 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:39,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:39,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1788623806, now seen corresponding path program 4 times [2022-11-26 00:02:39,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:39,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600706067] [2022-11-26 00:02:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:39,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:39,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:39,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600706067] [2022-11-26 00:02:39,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600706067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:39,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:39,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:02:39,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912794780] [2022-11-26 00:02:39,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:39,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:02:39,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:39,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:02:39,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:02:39,944 INFO L87 Difference]: Start difference. First operand 5126 states and 10179 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:43,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:43,952 INFO L93 Difference]: Finished difference Result 5363 states and 10651 transitions. [2022-11-26 00:02:43,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:02:43,952 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:43,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:43,961 INFO L225 Difference]: With dead ends: 5363 [2022-11-26 00:02:43,961 INFO L226 Difference]: Without dead ends: 5363 [2022-11-26 00:02:43,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:02:43,962 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 751 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 2005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:43,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 568 Invalid, 2005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1895 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:02:43,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5363 states. [2022-11-26 00:02:44,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5363 to 5003. [2022-11-26 00:02:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5003 states, 4931 states have (on average 2.0143987020888257) internal successors, (9933), 5002 states have internal predecessors, (9933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5003 states to 5003 states and 9933 transitions. [2022-11-26 00:02:44,040 INFO L78 Accepts]: Start accepts. Automaton has 5003 states and 9933 transitions. Word has length 24 [2022-11-26 00:02:44,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:44,040 INFO L495 AbstractCegarLoop]: Abstraction has 5003 states and 9933 transitions. [2022-11-26 00:02:44,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 5003 states and 9933 transitions. [2022-11-26 00:02:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:44,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:44,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:44,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-26 00:02:44,042 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:44,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:44,043 INFO L85 PathProgramCache]: Analyzing trace with hash -864308707, now seen corresponding path program 4 times [2022-11-26 00:02:44,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:44,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462932652] [2022-11-26 00:02:44,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:44,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:45,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:45,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462932652] [2022-11-26 00:02:45,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462932652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:45,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:45,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:02:45,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515323447] [2022-11-26 00:02:45,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:45,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:02:45,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:45,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:02:45,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:02:45,106 INFO L87 Difference]: Start difference. First operand 5003 states and 9933 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:46,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:46,831 INFO L93 Difference]: Finished difference Result 5153 states and 10233 transitions. [2022-11-26 00:02:46,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:02:46,831 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:46,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:46,839 INFO L225 Difference]: With dead ends: 5153 [2022-11-26 00:02:46,839 INFO L226 Difference]: Without dead ends: 5153 [2022-11-26 00:02:46,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:02:46,840 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 305 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:46,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 212 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:02:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5153 states. [2022-11-26 00:02:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5153 to 5042. [2022-11-26 00:02:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5042 states, 4970 states have (on average 2.0142857142857142) internal successors, (10011), 5041 states have internal predecessors, (10011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:46,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5042 states to 5042 states and 10011 transitions. [2022-11-26 00:02:46,944 INFO L78 Accepts]: Start accepts. Automaton has 5042 states and 10011 transitions. Word has length 24 [2022-11-26 00:02:46,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:46,945 INFO L495 AbstractCegarLoop]: Abstraction has 5042 states and 10011 transitions. [2022-11-26 00:02:46,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5042 states and 10011 transitions. [2022-11-26 00:02:46,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:46,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:46,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:46,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-26 00:02:46,947 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:46,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:46,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1895326405, now seen corresponding path program 5 times [2022-11-26 00:02:46,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:46,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824458064] [2022-11-26 00:02:46,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:46,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:47,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:47,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824458064] [2022-11-26 00:02:47,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824458064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:47,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:47,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:02:47,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283802852] [2022-11-26 00:02:47,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:47,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:02:47,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:47,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:02:47,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:02:47,962 INFO L87 Difference]: Start difference. First operand 5042 states and 10011 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:49,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:49,459 INFO L93 Difference]: Finished difference Result 5174 states and 10275 transitions. [2022-11-26 00:02:49,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:02:49,459 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:49,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:49,468 INFO L225 Difference]: With dead ends: 5174 [2022-11-26 00:02:49,468 INFO L226 Difference]: Without dead ends: 5174 [2022-11-26 00:02:49,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:02:49,469 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 317 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:49,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 198 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:02:49,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5174 states. [2022-11-26 00:02:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5174 to 5029. [2022-11-26 00:02:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5029 states, 4957 states have (on average 2.014323179342344) internal successors, (9985), 5028 states have internal predecessors, (9985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5029 states to 5029 states and 9985 transitions. [2022-11-26 00:02:49,547 INFO L78 Accepts]: Start accepts. Automaton has 5029 states and 9985 transitions. Word has length 24 [2022-11-26 00:02:49,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:49,548 INFO L495 AbstractCegarLoop]: Abstraction has 5029 states and 9985 transitions. [2022-11-26 00:02:49,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5029 states and 9985 transitions. [2022-11-26 00:02:49,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:49,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:49,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:49,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-26 00:02:49,550 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:49,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:49,550 INFO L85 PathProgramCache]: Analyzing trace with hash 599945377, now seen corresponding path program 6 times [2022-11-26 00:02:49,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:49,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017149516] [2022-11-26 00:02:49,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:49,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:50,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:50,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017149516] [2022-11-26 00:02:50,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017149516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:50,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:50,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:02:50,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237568892] [2022-11-26 00:02:50,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:50,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:02:50,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:50,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:02:50,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:02:50,625 INFO L87 Difference]: Start difference. First operand 5029 states and 9985 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:52,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:52,985 INFO L93 Difference]: Finished difference Result 5181 states and 10289 transitions. [2022-11-26 00:02:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:02:52,986 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:52,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:52,993 INFO L225 Difference]: With dead ends: 5181 [2022-11-26 00:02:52,994 INFO L226 Difference]: Without dead ends: 5181 [2022-11-26 00:02:52,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=234, Invalid=468, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:02:52,995 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 435 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:52,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 226 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:02:53,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5181 states. [2022-11-26 00:02:53,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5181 to 5014. [2022-11-26 00:02:53,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5014 states, 4942 states have (on average 2.0143666531768516) internal successors, (9955), 5013 states have internal predecessors, (9955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5014 states to 5014 states and 9955 transitions. [2022-11-26 00:02:53,076 INFO L78 Accepts]: Start accepts. Automaton has 5014 states and 9955 transitions. Word has length 24 [2022-11-26 00:02:53,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:53,076 INFO L495 AbstractCegarLoop]: Abstraction has 5014 states and 9955 transitions. [2022-11-26 00:02:53,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 5014 states and 9955 transitions. [2022-11-26 00:02:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:53,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:53,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:53,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-26 00:02:53,079 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:53,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:53,080 INFO L85 PathProgramCache]: Analyzing trace with hash -365826175, now seen corresponding path program 7 times [2022-11-26 00:02:53,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:53,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886937062] [2022-11-26 00:02:53,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:53,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:54,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:54,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:54,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886937062] [2022-11-26 00:02:54,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886937062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:54,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:54,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:02:54,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414231242] [2022-11-26 00:02:54,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:54,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:02:54,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:54,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:02:54,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:02:54,251 INFO L87 Difference]: Start difference. First operand 5014 states and 9955 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:57,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:57,074 INFO L93 Difference]: Finished difference Result 5220 states and 10367 transitions. [2022-11-26 00:02:57,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-26 00:02:57,075 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:02:57,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:57,083 INFO L225 Difference]: With dead ends: 5220 [2022-11-26 00:02:57,083 INFO L226 Difference]: Without dead ends: 5220 [2022-11-26 00:02:57,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=265, Invalid=547, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:02:57,084 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 436 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 1824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:57,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 232 Invalid, 1824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:02:57,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5220 states. [2022-11-26 00:02:57,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5220 to 5023. [2022-11-26 00:02:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5023 states, 4951 states have (on average 2.014340537265199) internal successors, (9973), 5022 states have internal predecessors, (9973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5023 states to 5023 states and 9973 transitions. [2022-11-26 00:02:57,179 INFO L78 Accepts]: Start accepts. Automaton has 5023 states and 9973 transitions. Word has length 24 [2022-11-26 00:02:57,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:57,179 INFO L495 AbstractCegarLoop]: Abstraction has 5023 states and 9973 transitions. [2022-11-26 00:02:57,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:57,179 INFO L276 IsEmpty]: Start isEmpty. Operand 5023 states and 9973 transitions. [2022-11-26 00:02:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:02:57,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:57,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:57,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-26 00:02:57,181 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:02:57,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:57,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2143787543, now seen corresponding path program 8 times [2022-11-26 00:02:57,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:57,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497601531] [2022-11-26 00:02:57,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:57,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:58,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:58,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497601531] [2022-11-26 00:02:58,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497601531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:58,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:58,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:02:58,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096321538] [2022-11-26 00:02:58,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:58,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:02:58,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:58,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:02:58,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:02:58,297 INFO L87 Difference]: Start difference. First operand 5023 states and 9973 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:01,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:01,365 INFO L93 Difference]: Finished difference Result 9685 states and 19217 transitions. [2022-11-26 00:03:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:03:01,366 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:01,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:01,384 INFO L225 Difference]: With dead ends: 9685 [2022-11-26 00:03:01,384 INFO L226 Difference]: Without dead ends: 9685 [2022-11-26 00:03:01,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:03:01,385 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 615 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 2069 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 2105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:01,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 340 Invalid, 2105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2069 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:03:01,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9685 states. [2022-11-26 00:03:01,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9685 to 5043. [2022-11-26 00:03:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5043 states, 4971 states have (on average 2.0142828404747535) internal successors, (10013), 5042 states have internal predecessors, (10013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 10013 transitions. [2022-11-26 00:03:01,487 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 10013 transitions. Word has length 24 [2022-11-26 00:03:01,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:01,487 INFO L495 AbstractCegarLoop]: Abstraction has 5043 states and 10013 transitions. [2022-11-26 00:03:01,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 10013 transitions. [2022-11-26 00:03:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:01,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:01,490 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:01,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-26 00:03:01,490 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:01,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:01,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1120162055, now seen corresponding path program 9 times [2022-11-26 00:03:01,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:01,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978221663] [2022-11-26 00:03:01,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:01,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:02,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:02,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978221663] [2022-11-26 00:03:02,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978221663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:02,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:02,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:03:02,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219247680] [2022-11-26 00:03:02,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:02,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:03:02,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:02,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:03:02,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:03:02,359 INFO L87 Difference]: Start difference. First operand 5043 states and 10013 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:04,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:04,856 INFO L93 Difference]: Finished difference Result 9709 states and 19265 transitions. [2022-11-26 00:03:04,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:03:04,857 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:04,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:04,873 INFO L225 Difference]: With dead ends: 9709 [2022-11-26 00:03:04,873 INFO L226 Difference]: Without dead ends: 9709 [2022-11-26 00:03:04,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:03:04,874 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 662 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:04,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 298 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:03:04,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9709 states. [2022-11-26 00:03:04,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9709 to 5030. [2022-11-26 00:03:04,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5030 states, 4958 states have (on average 2.0143202904396933) internal successors, (9987), 5029 states have internal predecessors, (9987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5030 states to 5030 states and 9987 transitions. [2022-11-26 00:03:04,979 INFO L78 Accepts]: Start accepts. Automaton has 5030 states and 9987 transitions. Word has length 24 [2022-11-26 00:03:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:04,979 INFO L495 AbstractCegarLoop]: Abstraction has 5030 states and 9987 transitions. [2022-11-26 00:03:04,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 5030 states and 9987 transitions. [2022-11-26 00:03:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:04,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:04,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:04,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-26 00:03:04,982 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:04,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:04,983 INFO L85 PathProgramCache]: Analyzing trace with hash -679533459, now seen corresponding path program 10 times [2022-11-26 00:03:04,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:04,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599854609] [2022-11-26 00:03:04,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:04,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:05,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:05,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599854609] [2022-11-26 00:03:05,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599854609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:05,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:05,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:03:05,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124475210] [2022-11-26 00:03:05,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:05,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:03:05,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:05,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:03:05,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:03:05,937 INFO L87 Difference]: Start difference. First operand 5030 states and 9987 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:07,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:07,723 INFO L93 Difference]: Finished difference Result 9733 states and 19313 transitions. [2022-11-26 00:03:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:03:07,724 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:07,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:07,742 INFO L225 Difference]: With dead ends: 9733 [2022-11-26 00:03:07,742 INFO L226 Difference]: Without dead ends: 9733 [2022-11-26 00:03:07,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:03:07,742 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 645 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:07,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 273 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:03:07,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9733 states. [2022-11-26 00:03:07,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9733 to 5017. [2022-11-26 00:03:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5017 states, 4945 states have (on average 2.0143579373104146) internal successors, (9961), 5016 states have internal predecessors, (9961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:07,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5017 states to 5017 states and 9961 transitions. [2022-11-26 00:03:07,845 INFO L78 Accepts]: Start accepts. Automaton has 5017 states and 9961 transitions. Word has length 24 [2022-11-26 00:03:07,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:07,846 INFO L495 AbstractCegarLoop]: Abstraction has 5017 states and 9961 transitions. [2022-11-26 00:03:07,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 5017 states and 9961 transitions. [2022-11-26 00:03:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:07,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:07,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:07,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-26 00:03:07,848 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:07,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:07,848 INFO L85 PathProgramCache]: Analyzing trace with hash -508164119, now seen corresponding path program 11 times [2022-11-26 00:03:07,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:07,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353877198] [2022-11-26 00:03:07,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:07,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:08,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:08,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353877198] [2022-11-26 00:03:08,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353877198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:08,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:08,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:03:08,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506821318] [2022-11-26 00:03:08,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:08,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:03:08,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:08,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:03:08,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:03:08,543 INFO L87 Difference]: Start difference. First operand 5017 states and 9961 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:12,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:12,071 INFO L93 Difference]: Finished difference Result 9719 states and 19285 transitions. [2022-11-26 00:03:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:03:12,071 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:12,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:12,088 INFO L225 Difference]: With dead ends: 9719 [2022-11-26 00:03:12,088 INFO L226 Difference]: Without dead ends: 9719 [2022-11-26 00:03:12,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=270, Invalid=600, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:03:12,089 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 756 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 2443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:12,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 333 Invalid, 2443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2350 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:03:12,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9719 states. [2022-11-26 00:03:12,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9719 to 5004. [2022-11-26 00:03:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5004 states, 4932 states have (on average 2.014395782643958) internal successors, (9935), 5003 states have internal predecessors, (9935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:12,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5004 states to 5004 states and 9935 transitions. [2022-11-26 00:03:12,189 INFO L78 Accepts]: Start accepts. Automaton has 5004 states and 9935 transitions. Word has length 24 [2022-11-26 00:03:12,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:12,189 INFO L495 AbstractCegarLoop]: Abstraction has 5004 states and 9935 transitions. [2022-11-26 00:03:12,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 5004 states and 9935 transitions. [2022-11-26 00:03:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:12,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:12,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:12,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-26 00:03:12,191 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:12,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:12,192 INFO L85 PathProgramCache]: Analyzing trace with hash 137198310, now seen corresponding path program 1 times [2022-11-26 00:03:12,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:12,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313258379] [2022-11-26 00:03:12,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:12,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:12,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313258379] [2022-11-26 00:03:12,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313258379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:12,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:12,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:03:12,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519249941] [2022-11-26 00:03:12,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:12,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:03:12,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:12,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:03:12,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:03:12,768 INFO L87 Difference]: Start difference. First operand 5004 states and 9935 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:15,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:15,708 INFO L93 Difference]: Finished difference Result 8522 states and 16891 transitions. [2022-11-26 00:03:15,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:03:15,708 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:15,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:15,723 INFO L225 Difference]: With dead ends: 8522 [2022-11-26 00:03:15,723 INFO L226 Difference]: Without dead ends: 8522 [2022-11-26 00:03:15,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:03:15,723 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 705 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 1858 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:15,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 280 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1858 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:03:15,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8522 states. [2022-11-26 00:03:15,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8522 to 5083. [2022-11-26 00:03:15,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5083 states, 5011 states have (on average 2.014967072440631) internal successors, (10097), 5082 states have internal predecessors, (10097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:15,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 10097 transitions. [2022-11-26 00:03:15,819 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 10097 transitions. Word has length 24 [2022-11-26 00:03:15,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:15,819 INFO L495 AbstractCegarLoop]: Abstraction has 5083 states and 10097 transitions. [2022-11-26 00:03:15,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:15,820 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 10097 transitions. [2022-11-26 00:03:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:15,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:15,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:15,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-26 00:03:15,821 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:15,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:15,822 INFO L85 PathProgramCache]: Analyzing trace with hash -651538015, now seen corresponding path program 12 times [2022-11-26 00:03:15,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:15,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103116462] [2022-11-26 00:03:15,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:15,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:16,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:16,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103116462] [2022-11-26 00:03:16,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103116462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:16,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:16,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:03:16,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647258604] [2022-11-26 00:03:16,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:16,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:03:16,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:16,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:03:16,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:03:16,341 INFO L87 Difference]: Start difference. First operand 5083 states and 10097 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:17,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:17,577 INFO L93 Difference]: Finished difference Result 8270 states and 16387 transitions. [2022-11-26 00:03:17,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:03:17,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:17,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:17,592 INFO L225 Difference]: With dead ends: 8270 [2022-11-26 00:03:17,592 INFO L226 Difference]: Without dead ends: 8270 [2022-11-26 00:03:17,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:03:17,593 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 609 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:17,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 219 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 00:03:17,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8270 states. [2022-11-26 00:03:17,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8270 to 5106. [2022-11-26 00:03:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5106 states, 5034 states have (on average 2.0158919348430673) internal successors, (10148), 5105 states have internal predecessors, (10148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5106 states to 5106 states and 10148 transitions. [2022-11-26 00:03:17,685 INFO L78 Accepts]: Start accepts. Automaton has 5106 states and 10148 transitions. Word has length 24 [2022-11-26 00:03:17,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:17,686 INFO L495 AbstractCegarLoop]: Abstraction has 5106 states and 10148 transitions. [2022-11-26 00:03:17,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 5106 states and 10148 transitions. [2022-11-26 00:03:17,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:17,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:17,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:17,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-26 00:03:17,687 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:17,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:17,687 INFO L85 PathProgramCache]: Analyzing trace with hash -771750310, now seen corresponding path program 5 times [2022-11-26 00:03:17,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:17,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884381842] [2022-11-26 00:03:17,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:17,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:18,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:18,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:18,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884381842] [2022-11-26 00:03:18,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884381842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:18,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:18,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:03:18,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056623494] [2022-11-26 00:03:18,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:18,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:03:18,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:18,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:03:18,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:03:18,347 INFO L87 Difference]: Start difference. First operand 5106 states and 10148 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:24,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:24,026 INFO L93 Difference]: Finished difference Result 9817 states and 19486 transitions. [2022-11-26 00:03:24,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-26 00:03:24,027 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:24,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:24,045 INFO L225 Difference]: With dead ends: 9817 [2022-11-26 00:03:24,045 INFO L226 Difference]: Without dead ends: 9817 [2022-11-26 00:03:24,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=573, Invalid=1407, Unknown=0, NotChecked=0, Total=1980 [2022-11-26 00:03:24,046 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 607 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 4270 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 4377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 4270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:24,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 707 Invalid, 4377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 4270 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-26 00:03:24,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9817 states. [2022-11-26 00:03:24,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9817 to 5030. [2022-11-26 00:03:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5030 states, 4958 states have (on average 2.0161355385235984) internal successors, (9996), 5029 states have internal predecessors, (9996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5030 states to 5030 states and 9996 transitions. [2022-11-26 00:03:24,147 INFO L78 Accepts]: Start accepts. Automaton has 5030 states and 9996 transitions. Word has length 24 [2022-11-26 00:03:24,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:24,147 INFO L495 AbstractCegarLoop]: Abstraction has 5030 states and 9996 transitions. [2022-11-26 00:03:24,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 5030 states and 9996 transitions. [2022-11-26 00:03:24,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:24,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:24,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:24,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-26 00:03:24,148 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:24,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:24,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1301256065, now seen corresponding path program 13 times [2022-11-26 00:03:24,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:24,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946731789] [2022-11-26 00:03:24,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:24,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:25,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:25,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946731789] [2022-11-26 00:03:25,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946731789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:25,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:25,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:03:25,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131124107] [2022-11-26 00:03:25,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:25,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:03:25,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:25,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:03:25,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:03:25,467 INFO L87 Difference]: Start difference. First operand 5030 states and 9996 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:28,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:28,710 INFO L93 Difference]: Finished difference Result 9601 states and 19054 transitions. [2022-11-26 00:03:28,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:03:28,711 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:28,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:28,729 INFO L225 Difference]: With dead ends: 9601 [2022-11-26 00:03:28,729 INFO L226 Difference]: Without dead ends: 9601 [2022-11-26 00:03:28,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:03:28,730 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 509 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 2589 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 2655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 2589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:28,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 463 Invalid, 2655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 2589 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:03:28,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9601 states. [2022-11-26 00:03:28,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9601 to 5106. [2022-11-26 00:03:28,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5106 states, 5034 states have (on average 2.0180770758839888) internal successors, (10159), 5105 states have internal predecessors, (10159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5106 states to 5106 states and 10159 transitions. [2022-11-26 00:03:28,828 INFO L78 Accepts]: Start accepts. Automaton has 5106 states and 10159 transitions. Word has length 24 [2022-11-26 00:03:28,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:28,828 INFO L495 AbstractCegarLoop]: Abstraction has 5106 states and 10159 transitions. [2022-11-26 00:03:28,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 5106 states and 10159 transitions. [2022-11-26 00:03:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:28,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:28,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:28,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-26 00:03:28,830 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:28,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:28,830 INFO L85 PathProgramCache]: Analyzing trace with hash 270238367, now seen corresponding path program 14 times [2022-11-26 00:03:28,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:28,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161043446] [2022-11-26 00:03:28,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:28,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:29,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:29,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161043446] [2022-11-26 00:03:29,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161043446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:29,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:29,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:03:29,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47551970] [2022-11-26 00:03:29,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:29,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:03:29,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:29,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:03:29,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:03:29,821 INFO L87 Difference]: Start difference. First operand 5106 states and 10159 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:32,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:32,567 INFO L93 Difference]: Finished difference Result 9559 states and 18974 transitions. [2022-11-26 00:03:32,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:03:32,568 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:32,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:32,583 INFO L225 Difference]: With dead ends: 9559 [2022-11-26 00:03:32,583 INFO L226 Difference]: Without dead ends: 9559 [2022-11-26 00:03:32,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:03:32,584 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 534 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:32,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 429 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:03:32,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9559 states. [2022-11-26 00:03:32,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9559 to 5093. [2022-11-26 00:03:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5093 states, 5021 states have (on average 2.018123879705238) internal successors, (10133), 5092 states have internal predecessors, (10133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5093 states to 5093 states and 10133 transitions. [2022-11-26 00:03:32,686 INFO L78 Accepts]: Start accepts. Automaton has 5093 states and 10133 transitions. Word has length 24 [2022-11-26 00:03:32,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:32,687 INFO L495 AbstractCegarLoop]: Abstraction has 5093 states and 10133 transitions. [2022-11-26 00:03:32,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 5093 states and 10133 transitions. [2022-11-26 00:03:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:32,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:32,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:32,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-26 00:03:32,689 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:32,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:32,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1529457147, now seen corresponding path program 15 times [2022-11-26 00:03:32,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:32,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985426001] [2022-11-26 00:03:32,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:32,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:33,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:33,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:33,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985426001] [2022-11-26 00:03:33,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985426001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:33,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:33,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:03:33,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286725604] [2022-11-26 00:03:33,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:33,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:03:33,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:33,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:03:33,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:03:33,538 INFO L87 Difference]: Start difference. First operand 5093 states and 10133 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:36,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:36,297 INFO L93 Difference]: Finished difference Result 9573 states and 19002 transitions. [2022-11-26 00:03:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:03:36,297 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:36,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:36,314 INFO L225 Difference]: With dead ends: 9573 [2022-11-26 00:03:36,314 INFO L226 Difference]: Without dead ends: 9573 [2022-11-26 00:03:36,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:03:36,315 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 557 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 1823 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:36,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 414 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1823 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:03:36,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9573 states. [2022-11-26 00:03:36,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9573 to 5080. [2022-11-26 00:03:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5080 states, 5008 states have (on average 2.018170926517572) internal successors, (10107), 5079 states have internal predecessors, (10107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5080 states to 5080 states and 10107 transitions. [2022-11-26 00:03:36,424 INFO L78 Accepts]: Start accepts. Automaton has 5080 states and 10107 transitions. Word has length 24 [2022-11-26 00:03:36,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:36,424 INFO L495 AbstractCegarLoop]: Abstraction has 5080 states and 10107 transitions. [2022-11-26 00:03:36,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:36,425 INFO L276 IsEmpty]: Start isEmpty. Operand 5080 states and 10107 transitions. [2022-11-26 00:03:36,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:36,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:36,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:36,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-26 00:03:36,427 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:36,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:36,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1358087807, now seen corresponding path program 16 times [2022-11-26 00:03:36,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:36,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129500935] [2022-11-26 00:03:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:36,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:37,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:37,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:37,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129500935] [2022-11-26 00:03:37,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129500935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:37,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:37,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:03:37,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323568569] [2022-11-26 00:03:37,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:37,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:03:37,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:37,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:03:37,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:03:37,277 INFO L87 Difference]: Start difference. First operand 5080 states and 10107 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:40,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:40,262 INFO L93 Difference]: Finished difference Result 9563 states and 18978 transitions. [2022-11-26 00:03:40,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:03:40,263 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:40,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:40,278 INFO L225 Difference]: With dead ends: 9563 [2022-11-26 00:03:40,279 INFO L226 Difference]: Without dead ends: 9563 [2022-11-26 00:03:40,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:03:40,280 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 541 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 1916 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 2019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:40,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 436 Invalid, 2019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1916 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:03:40,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9563 states. [2022-11-26 00:03:40,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9563 to 5043. [2022-11-26 00:03:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5043 states, 4971 states have (on average 2.017501508750754) internal successors, (10029), 5042 states have internal predecessors, (10029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 10029 transitions. [2022-11-26 00:03:40,378 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 10029 transitions. Word has length 24 [2022-11-26 00:03:40,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:40,379 INFO L495 AbstractCegarLoop]: Abstraction has 5043 states and 10029 transitions. [2022-11-26 00:03:40,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 10029 transitions. [2022-11-26 00:03:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:40,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:40,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:40,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-26 00:03:40,380 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:40,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:40,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1861847558, now seen corresponding path program 2 times [2022-11-26 00:03:40,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:40,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199227273] [2022-11-26 00:03:40,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:40,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:41,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:41,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199227273] [2022-11-26 00:03:41,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199227273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:41,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:41,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:03:41,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010937748] [2022-11-26 00:03:41,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:41,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:03:41,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:41,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:03:41,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:03:41,171 INFO L87 Difference]: Start difference. First operand 5043 states and 10029 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:44,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:44,881 INFO L93 Difference]: Finished difference Result 8437 states and 16732 transitions. [2022-11-26 00:03:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:03:44,882 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:44,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:44,897 INFO L225 Difference]: With dead ends: 8437 [2022-11-26 00:03:44,898 INFO L226 Difference]: Without dead ends: 8437 [2022-11-26 00:03:44,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:03:44,899 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 522 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 2484 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 2627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:44,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 528 Invalid, 2627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 2484 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:03:44,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8437 states. [2022-11-26 00:03:44,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8437 to 5021. [2022-11-26 00:03:44,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5021 states, 4949 states have (on average 2.017579308951303) internal successors, (9985), 5020 states have internal predecessors, (9985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5021 states to 5021 states and 9985 transitions. [2022-11-26 00:03:44,996 INFO L78 Accepts]: Start accepts. Automaton has 5021 states and 9985 transitions. Word has length 24 [2022-11-26 00:03:44,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:44,996 INFO L495 AbstractCegarLoop]: Abstraction has 5021 states and 9985 transitions. [2022-11-26 00:03:44,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 5021 states and 9985 transitions. [2022-11-26 00:03:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:44,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:44,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:44,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-26 00:03:44,999 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:44,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:44,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1644383413, now seen corresponding path program 17 times [2022-11-26 00:03:44,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:44,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104878375] [2022-11-26 00:03:44,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:44,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:45,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:45,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104878375] [2022-11-26 00:03:45,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104878375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:45,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:45,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:03:45,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330472790] [2022-11-26 00:03:45,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:45,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:03:45,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:45,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:03:45,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:03:45,547 INFO L87 Difference]: Start difference. First operand 5021 states and 9985 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:47,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:47,137 INFO L93 Difference]: Finished difference Result 8211 states and 16276 transitions. [2022-11-26 00:03:47,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:03:47,138 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:47,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:47,151 INFO L225 Difference]: With dead ends: 8211 [2022-11-26 00:03:47,151 INFO L226 Difference]: Without dead ends: 8211 [2022-11-26 00:03:47,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:03:47,152 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 572 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:47,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 414 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:03:47,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8211 states. [2022-11-26 00:03:47,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8211 to 4910. [2022-11-26 00:03:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4910 states, 4839 states have (on average 2.0165323413928498) internal successors, (9758), 4909 states have internal predecessors, (9758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4910 states to 4910 states and 9758 transitions. [2022-11-26 00:03:47,246 INFO L78 Accepts]: Start accepts. Automaton has 4910 states and 9758 transitions. Word has length 24 [2022-11-26 00:03:47,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:47,246 INFO L495 AbstractCegarLoop]: Abstraction has 4910 states and 9758 transitions. [2022-11-26 00:03:47,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 4910 states and 9758 transitions. [2022-11-26 00:03:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:03:47,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:47,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:47,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-26 00:03:47,247 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:47,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:47,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1936978660, now seen corresponding path program 3 times [2022-11-26 00:03:47,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:47,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113890386] [2022-11-26 00:03:47,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:47,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:47,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:47,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113890386] [2022-11-26 00:03:47,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113890386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:47,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:47,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:03:47,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204612845] [2022-11-26 00:03:47,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:47,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:03:47,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:47,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:03:47,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:03:47,761 INFO L87 Difference]: Start difference. First operand 4910 states and 9758 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:50,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:50,930 INFO L93 Difference]: Finished difference Result 5154 states and 10243 transitions. [2022-11-26 00:03:50,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:03:50,930 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 00:03:50,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:50,940 INFO L225 Difference]: With dead ends: 5154 [2022-11-26 00:03:50,940 INFO L226 Difference]: Without dead ends: 5154 [2022-11-26 00:03:50,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:03:50,941 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 371 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 2300 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 2443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:50,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 349 Invalid, 2443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 2300 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:03:50,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5154 states. [2022-11-26 00:03:50,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5154 to 4791. [2022-11-26 00:03:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4791 states, 4721 states have (on average 2.01652192332133) internal successors, (9520), 4790 states have internal predecessors, (9520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4791 states to 4791 states and 9520 transitions. [2022-11-26 00:03:51,012 INFO L78 Accepts]: Start accepts. Automaton has 4791 states and 9520 transitions. Word has length 24 [2022-11-26 00:03:51,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:51,012 INFO L495 AbstractCegarLoop]: Abstraction has 4791 states and 9520 transitions. [2022-11-26 00:03:51,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:51,013 INFO L276 IsEmpty]: Start isEmpty. Operand 4791 states and 9520 transitions. [2022-11-26 00:03:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-26 00:03:51,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:51,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:51,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-26 00:03:51,014 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:51,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:51,014 INFO L85 PathProgramCache]: Analyzing trace with hash 149755164, now seen corresponding path program 1 times [2022-11-26 00:03:51,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:51,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198944093] [2022-11-26 00:03:51,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:51,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:51,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:51,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:51,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198944093] [2022-11-26 00:03:51,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198944093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:51,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:51,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:03:51,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63311801] [2022-11-26 00:03:51,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:51,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:03:51,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:51,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:03:51,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:03:51,259 INFO L87 Difference]: Start difference. First operand 4791 states and 9520 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:52,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:52,055 INFO L93 Difference]: Finished difference Result 4993 states and 9918 transitions. [2022-11-26 00:03:52,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:03:52,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-26 00:03:52,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:52,070 INFO L225 Difference]: With dead ends: 4993 [2022-11-26 00:03:52,070 INFO L226 Difference]: Without dead ends: 4993 [2022-11-26 00:03:52,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:03:52,071 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 104 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:52,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 121 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:03:52,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4993 states. [2022-11-26 00:03:52,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4993 to 4993. [2022-11-26 00:03:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4993 states, 4923 states have (on average 2.0146252285191957) internal successors, (9918), 4992 states have internal predecessors, (9918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4993 states to 4993 states and 9918 transitions. [2022-11-26 00:03:52,144 INFO L78 Accepts]: Start accepts. Automaton has 4993 states and 9918 transitions. Word has length 27 [2022-11-26 00:03:52,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:52,145 INFO L495 AbstractCegarLoop]: Abstraction has 4993 states and 9918 transitions. [2022-11-26 00:03:52,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 4993 states and 9918 transitions. [2022-11-26 00:03:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-26 00:03:52,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:52,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:52,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-26 00:03:52,146 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:52,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:52,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1845967007, now seen corresponding path program 1 times [2022-11-26 00:03:52,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:52,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112788052] [2022-11-26 00:03:52,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:52,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:52,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:52,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112788052] [2022-11-26 00:03:52,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112788052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:52,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:52,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:03:52,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131810122] [2022-11-26 00:03:52,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:52,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:03:52,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:52,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:03:52,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:03:52,483 INFO L87 Difference]: Start difference. First operand 4993 states and 9918 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:53,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:53,831 INFO L93 Difference]: Finished difference Result 5334 states and 10599 transitions. [2022-11-26 00:03:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:03:53,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-26 00:03:53,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:53,840 INFO L225 Difference]: With dead ends: 5334 [2022-11-26 00:03:53,840 INFO L226 Difference]: Without dead ends: 5334 [2022-11-26 00:03:53,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:03:53,840 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 133 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:53,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 141 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:03:53,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2022-11-26 00:03:53,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 5255. [2022-11-26 00:03:53,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5255 states, 5185 states have (on average 2.0136933461909354) internal successors, (10441), 5254 states have internal predecessors, (10441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 5255 states and 10441 transitions. [2022-11-26 00:03:53,918 INFO L78 Accepts]: Start accepts. Automaton has 5255 states and 10441 transitions. Word has length 28 [2022-11-26 00:03:53,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:53,918 INFO L495 AbstractCegarLoop]: Abstraction has 5255 states and 10441 transitions. [2022-11-26 00:03:53,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand 5255 states and 10441 transitions. [2022-11-26 00:03:53,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:03:53,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:53,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:53,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-26 00:03:53,920 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:53,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:53,920 INFO L85 PathProgramCache]: Analyzing trace with hash 835390582, now seen corresponding path program 1 times [2022-11-26 00:03:53,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:53,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18688787] [2022-11-26 00:03:53,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:53,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:54,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:54,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18688787] [2022-11-26 00:03:54,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18688787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:54,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:54,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:03:54,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024620632] [2022-11-26 00:03:54,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:54,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:03:54,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:54,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:03:54,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:03:54,969 INFO L87 Difference]: Start difference. First operand 5255 states and 10441 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:58,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:58,858 INFO L93 Difference]: Finished difference Result 8694 states and 17253 transitions. [2022-11-26 00:03:58,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-26 00:03:58,859 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:03:58,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:58,877 INFO L225 Difference]: With dead ends: 8694 [2022-11-26 00:03:58,877 INFO L226 Difference]: Without dead ends: 8694 [2022-11-26 00:03:58,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=327, Invalid=863, Unknown=0, NotChecked=0, Total=1190 [2022-11-26 00:03:58,878 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 563 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:58,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 357 Invalid, 2347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:03:58,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8694 states. [2022-11-26 00:03:58,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8694 to 5378. [2022-11-26 00:03:58,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5378 states, 5308 states have (on average 2.0133760361718163) internal successors, (10687), 5377 states have internal predecessors, (10687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5378 states to 5378 states and 10687 transitions. [2022-11-26 00:03:58,978 INFO L78 Accepts]: Start accepts. Automaton has 5378 states and 10687 transitions. Word has length 30 [2022-11-26 00:03:58,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:58,978 INFO L495 AbstractCegarLoop]: Abstraction has 5378 states and 10687 transitions. [2022-11-26 00:03:58,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5378 states and 10687 transitions. [2022-11-26 00:03:58,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:03:58,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:58,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:58,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-26 00:03:58,980 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:03:58,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:58,981 INFO L85 PathProgramCache]: Analyzing trace with hash 148004987, now seen corresponding path program 1 times [2022-11-26 00:03:58,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:58,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046131121] [2022-11-26 00:03:58,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:58,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:59,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:59,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046131121] [2022-11-26 00:03:59,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046131121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:59,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:59,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:03:59,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949114405] [2022-11-26 00:03:59,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:59,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:03:59,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:59,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:03:59,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:03:59,605 INFO L87 Difference]: Start difference. First operand 5378 states and 10687 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:03,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:03,308 INFO L93 Difference]: Finished difference Result 9419 states and 18654 transitions. [2022-11-26 00:04:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-26 00:04:03,309 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:03,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:03,326 INFO L225 Difference]: With dead ends: 9419 [2022-11-26 00:04:03,326 INFO L226 Difference]: Without dead ends: 9419 [2022-11-26 00:04:03,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2022-11-26 00:04:03,327 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1168 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 2446 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 2519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:03,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 715 Invalid, 2519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2446 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:04:03,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9419 states. [2022-11-26 00:04:03,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9419 to 5683. [2022-11-26 00:04:03,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5683 states, 5613 states have (on average 2.0210226260466775) internal successors, (11344), 5682 states have internal predecessors, (11344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:03,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5683 states to 5683 states and 11344 transitions. [2022-11-26 00:04:03,481 INFO L78 Accepts]: Start accepts. Automaton has 5683 states and 11344 transitions. Word has length 30 [2022-11-26 00:04:03,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:03,481 INFO L495 AbstractCegarLoop]: Abstraction has 5683 states and 11344 transitions. [2022-11-26 00:04:03,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:03,481 INFO L276 IsEmpty]: Start isEmpty. Operand 5683 states and 11344 transitions. [2022-11-26 00:04:03,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:03,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:03,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:03,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-26 00:04:03,483 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:03,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:03,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1248716679, now seen corresponding path program 2 times [2022-11-26 00:04:03,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:03,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742285299] [2022-11-26 00:04:03,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:03,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:04,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:04,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742285299] [2022-11-26 00:04:04,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742285299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:04,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:04,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:04:04,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111869538] [2022-11-26 00:04:04,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:04,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:04:04,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:04,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:04:04,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:04:04,198 INFO L87 Difference]: Start difference. First operand 5683 states and 11344 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:07,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:07,773 INFO L93 Difference]: Finished difference Result 9441 states and 18698 transitions. [2022-11-26 00:04:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-26 00:04:07,773 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:07,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:07,787 INFO L225 Difference]: With dead ends: 9441 [2022-11-26 00:04:07,788 INFO L226 Difference]: Without dead ends: 9441 [2022-11-26 00:04:07,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=319, Invalid=737, Unknown=0, NotChecked=0, Total=1056 [2022-11-26 00:04:07,789 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 935 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:07,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [935 Valid, 568 Invalid, 2172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:04:07,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9441 states. [2022-11-26 00:04:07,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9441 to 5687. [2022-11-26 00:04:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5687 states, 5617 states have (on average 2.0210076553320278) internal successors, (11352), 5686 states have internal predecessors, (11352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 11352 transitions. [2022-11-26 00:04:07,900 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 11352 transitions. Word has length 30 [2022-11-26 00:04:07,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:07,900 INFO L495 AbstractCegarLoop]: Abstraction has 5687 states and 11352 transitions. [2022-11-26 00:04:07,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 11352 transitions. [2022-11-26 00:04:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:07,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:07,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:07,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-26 00:04:07,902 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:07,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:07,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1392607209, now seen corresponding path program 3 times [2022-11-26 00:04:07,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:07,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822263673] [2022-11-26 00:04:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:07,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:08,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:08,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822263673] [2022-11-26 00:04:08,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822263673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:08,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:08,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:04:08,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857090498] [2022-11-26 00:04:08,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:08,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:04:08,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:08,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:04:08,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:04:08,615 INFO L87 Difference]: Start difference. First operand 5687 states and 11352 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:11,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:11,270 INFO L93 Difference]: Finished difference Result 9392 states and 18649 transitions. [2022-11-26 00:04:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:04:11,270 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:11,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:11,285 INFO L225 Difference]: With dead ends: 9392 [2022-11-26 00:04:11,285 INFO L226 Difference]: Without dead ends: 9392 [2022-11-26 00:04:11,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:04:11,286 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 438 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:11,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 414 Invalid, 1983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:04:11,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9392 states. [2022-11-26 00:04:11,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9392 to 5689. [2022-11-26 00:04:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5689 states, 5619 states have (on average 2.02100017796761) internal successors, (11356), 5688 states have internal predecessors, (11356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:11,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5689 states to 5689 states and 11356 transitions. [2022-11-26 00:04:11,410 INFO L78 Accepts]: Start accepts. Automaton has 5689 states and 11356 transitions. Word has length 30 [2022-11-26 00:04:11,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:11,410 INFO L495 AbstractCegarLoop]: Abstraction has 5689 states and 11356 transitions. [2022-11-26 00:04:11,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 5689 states and 11356 transitions. [2022-11-26 00:04:11,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:11,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:11,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:11,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-26 00:04:11,413 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:11,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:11,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1392681609, now seen corresponding path program 4 times [2022-11-26 00:04:11,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:11,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987183832] [2022-11-26 00:04:11,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:11,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:11,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:11,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987183832] [2022-11-26 00:04:11,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987183832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:11,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:11,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:04:11,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760087881] [2022-11-26 00:04:11,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:11,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:04:11,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:11,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:04:11,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:04:11,896 INFO L87 Difference]: Start difference. First operand 5689 states and 11356 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:13,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:13,807 INFO L93 Difference]: Finished difference Result 9463 states and 18742 transitions. [2022-11-26 00:04:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:04:13,808 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:13,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:13,823 INFO L225 Difference]: With dead ends: 9463 [2022-11-26 00:04:13,823 INFO L226 Difference]: Without dead ends: 9463 [2022-11-26 00:04:13,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:04:13,824 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 599 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:13,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 428 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:04:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9463 states. [2022-11-26 00:04:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9463 to 5687. [2022-11-26 00:04:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5687 states, 5617 states have (on average 2.0210076553320278) internal successors, (11352), 5686 states have internal predecessors, (11352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 11352 transitions. [2022-11-26 00:04:13,938 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 11352 transitions. Word has length 30 [2022-11-26 00:04:13,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:13,938 INFO L495 AbstractCegarLoop]: Abstraction has 5687 states and 11352 transitions. [2022-11-26 00:04:13,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:13,939 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 11352 transitions. [2022-11-26 00:04:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:13,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:13,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:13,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-26 00:04:13,941 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:13,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1585951973, now seen corresponding path program 5 times [2022-11-26 00:04:13,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:13,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099855929] [2022-11-26 00:04:13,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:13,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:14,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:14,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099855929] [2022-11-26 00:04:14,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099855929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:14,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:14,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:04:14,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760545725] [2022-11-26 00:04:14,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:14,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:04:14,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:14,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:04:14,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:04:14,615 INFO L87 Difference]: Start difference. First operand 5687 states and 11352 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:16,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:16,893 INFO L93 Difference]: Finished difference Result 9472 states and 18760 transitions. [2022-11-26 00:04:16,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:04:16,894 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:16,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:16,909 INFO L225 Difference]: With dead ends: 9472 [2022-11-26 00:04:16,909 INFO L226 Difference]: Without dead ends: 9472 [2022-11-26 00:04:16,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:04:16,910 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 803 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:16,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 544 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:04:16,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9472 states. [2022-11-26 00:04:16,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9472 to 5687. [2022-11-26 00:04:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5687 states, 5617 states have (on average 2.0210076553320278) internal successors, (11352), 5686 states have internal predecessors, (11352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 11352 transitions. [2022-11-26 00:04:17,014 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 11352 transitions. Word has length 30 [2022-11-26 00:04:17,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:17,014 INFO L495 AbstractCegarLoop]: Abstraction has 5687 states and 11352 transitions. [2022-11-26 00:04:17,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 11352 transitions. [2022-11-26 00:04:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:17,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:17,016 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:17,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-26 00:04:17,016 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:17,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:17,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2044681193, now seen corresponding path program 6 times [2022-11-26 00:04:17,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:17,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938744064] [2022-11-26 00:04:17,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:17,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:17,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:17,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:17,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938744064] [2022-11-26 00:04:17,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938744064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:17,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:17,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:04:17,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832911685] [2022-11-26 00:04:17,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:17,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:04:17,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:17,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:04:17,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:04:17,658 INFO L87 Difference]: Start difference. First operand 5687 states and 11352 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:20,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:20,262 INFO L93 Difference]: Finished difference Result 5911 states and 11751 transitions. [2022-11-26 00:04:20,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:04:20,263 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:20,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:20,271 INFO L225 Difference]: With dead ends: 5911 [2022-11-26 00:04:20,271 INFO L226 Difference]: Without dead ends: 5911 [2022-11-26 00:04:20,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:04:20,271 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 397 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 1991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:20,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 335 Invalid, 1991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:04:20,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5911 states. [2022-11-26 00:04:20,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5911 to 5567. [2022-11-26 00:04:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5567 states, 5497 states have (on average 2.0171002364926323) internal successors, (11088), 5566 states have internal predecessors, (11088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 5567 states and 11088 transitions. [2022-11-26 00:04:20,352 INFO L78 Accepts]: Start accepts. Automaton has 5567 states and 11088 transitions. Word has length 30 [2022-11-26 00:04:20,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:20,353 INFO L495 AbstractCegarLoop]: Abstraction has 5567 states and 11088 transitions. [2022-11-26 00:04:20,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 11088 transitions. [2022-11-26 00:04:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:20,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:20,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:20,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-26 00:04:20,356 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:20,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:20,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1866759173, now seen corresponding path program 7 times [2022-11-26 00:04:20,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:20,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529458975] [2022-11-26 00:04:20,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:20,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:20,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:20,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529458975] [2022-11-26 00:04:20,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529458975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:20,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:20,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:04:20,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810322012] [2022-11-26 00:04:20,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:20,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:04:20,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:20,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:04:20,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:04:20,980 INFO L87 Difference]: Start difference. First operand 5567 states and 11088 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:23,023 INFO L93 Difference]: Finished difference Result 5710 states and 11374 transitions. [2022-11-26 00:04:23,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:04:23,024 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:23,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:23,032 INFO L225 Difference]: With dead ends: 5710 [2022-11-26 00:04:23,032 INFO L226 Difference]: Without dead ends: 5710 [2022-11-26 00:04:23,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:04:23,032 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 322 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:23,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 261 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1582 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:04:23,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5710 states. [2022-11-26 00:04:23,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5710 to 5569. [2022-11-26 00:04:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5569 states, 5499 states have (on average 2.017094017094017) internal successors, (11092), 5568 states have internal predecessors, (11092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5569 states to 5569 states and 11092 transitions. [2022-11-26 00:04:23,105 INFO L78 Accepts]: Start accepts. Automaton has 5569 states and 11092 transitions. Word has length 30 [2022-11-26 00:04:23,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:23,106 INFO L495 AbstractCegarLoop]: Abstraction has 5569 states and 11092 transitions. [2022-11-26 00:04:23,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:23,106 INFO L276 IsEmpty]: Start isEmpty. Operand 5569 states and 11092 transitions. [2022-11-26 00:04:23,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:23,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:23,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:23,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-26 00:04:23,108 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:23,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:23,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1866684773, now seen corresponding path program 8 times [2022-11-26 00:04:23,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:23,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466837659] [2022-11-26 00:04:23,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:23,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:23,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:23,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466837659] [2022-11-26 00:04:23,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466837659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:23,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:23,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:04:23,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911253431] [2022-11-26 00:04:23,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:23,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:04:23,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:23,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:04:23,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:04:23,626 INFO L87 Difference]: Start difference. First operand 5569 states and 11092 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:26,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:26,488 INFO L93 Difference]: Finished difference Result 5772 states and 11449 transitions. [2022-11-26 00:04:26,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:04:26,488 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:26,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:26,496 INFO L225 Difference]: With dead ends: 5772 [2022-11-26 00:04:26,496 INFO L226 Difference]: Without dead ends: 5772 [2022-11-26 00:04:26,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=283, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:04:26,497 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 401 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:26,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 356 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2251 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:04:26,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5772 states. [2022-11-26 00:04:26,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5772 to 5567. [2022-11-26 00:04:26,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5567 states, 5497 states have (on average 2.0171002364926323) internal successors, (11088), 5566 states have internal predecessors, (11088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 5567 states and 11088 transitions. [2022-11-26 00:04:26,588 INFO L78 Accepts]: Start accepts. Automaton has 5567 states and 11088 transitions. Word has length 30 [2022-11-26 00:04:26,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:26,588 INFO L495 AbstractCegarLoop]: Abstraction has 5567 states and 11088 transitions. [2022-11-26 00:04:26,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 11088 transitions. [2022-11-26 00:04:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:26,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:26,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:26,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-26 00:04:26,591 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:26,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:26,592 INFO L85 PathProgramCache]: Analyzing trace with hash -759128619, now seen corresponding path program 9 times [2022-11-26 00:04:26,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:26,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420477274] [2022-11-26 00:04:26,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:26,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:27,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:27,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420477274] [2022-11-26 00:04:27,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420477274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:27,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:27,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:04:27,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931301151] [2022-11-26 00:04:27,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:27,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:04:27,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:27,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:04:27,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:04:27,260 INFO L87 Difference]: Start difference. First operand 5567 states and 11088 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:32,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:32,018 INFO L93 Difference]: Finished difference Result 5783 states and 11471 transitions. [2022-11-26 00:04:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-26 00:04:32,018 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:32,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:32,027 INFO L225 Difference]: With dead ends: 5783 [2022-11-26 00:04:32,027 INFO L226 Difference]: Without dead ends: 5783 [2022-11-26 00:04:32,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=284, Invalid=646, Unknown=0, NotChecked=0, Total=930 [2022-11-26 00:04:32,028 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 611 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 3728 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 3774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 3728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:32,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 457 Invalid, 3774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 3728 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-26 00:04:32,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5783 states. [2022-11-26 00:04:32,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5783 to 5568. [2022-11-26 00:04:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5568 states, 5498 states have (on average 2.017097126227719) internal successors, (11090), 5567 states have internal predecessors, (11090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:32,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5568 states to 5568 states and 11090 transitions. [2022-11-26 00:04:32,105 INFO L78 Accepts]: Start accepts. Automaton has 5568 states and 11090 transitions. Word has length 30 [2022-11-26 00:04:32,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:32,106 INFO L495 AbstractCegarLoop]: Abstraction has 5568 states and 11090 transitions. [2022-11-26 00:04:32,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand 5568 states and 11090 transitions. [2022-11-26 00:04:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:32,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:32,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:32,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-26 00:04:32,108 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:32,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:32,109 INFO L85 PathProgramCache]: Analyzing trace with hash -615238089, now seen corresponding path program 10 times [2022-11-26 00:04:32,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:32,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365800210] [2022-11-26 00:04:32,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:32,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:32,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:32,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365800210] [2022-11-26 00:04:32,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365800210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:32,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:32,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:04:32,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017402275] [2022-11-26 00:04:32,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:32,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:04:32,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:32,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:04:32,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:04:32,800 INFO L87 Difference]: Start difference. First operand 5568 states and 11090 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:35,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:35,254 INFO L93 Difference]: Finished difference Result 5715 states and 11384 transitions. [2022-11-26 00:04:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:04:35,254 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:35,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:35,262 INFO L225 Difference]: With dead ends: 5715 [2022-11-26 00:04:35,262 INFO L226 Difference]: Without dead ends: 5715 [2022-11-26 00:04:35,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:04:35,263 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 297 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:35,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 280 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:04:35,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5715 states. [2022-11-26 00:04:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5715 to 5570. [2022-11-26 00:04:35,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5570 states, 5500 states have (on average 2.0170909090909093) internal successors, (11094), 5569 states have internal predecessors, (11094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:35,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5570 states to 5570 states and 11094 transitions. [2022-11-26 00:04:35,339 INFO L78 Accepts]: Start accepts. Automaton has 5570 states and 11094 transitions. Word has length 30 [2022-11-26 00:04:35,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:35,340 INFO L495 AbstractCegarLoop]: Abstraction has 5570 states and 11094 transitions. [2022-11-26 00:04:35,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:35,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5570 states and 11094 transitions. [2022-11-26 00:04:35,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:35,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:35,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:35,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-26 00:04:35,342 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:35,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:35,343 INFO L85 PathProgramCache]: Analyzing trace with hash -615163689, now seen corresponding path program 11 times [2022-11-26 00:04:35,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:35,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794885791] [2022-11-26 00:04:35,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:35,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:36,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:36,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794885791] [2022-11-26 00:04:36,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794885791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:36,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:36,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:04:36,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244626632] [2022-11-26 00:04:36,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:36,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:04:36,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:36,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:04:36,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:04:36,071 INFO L87 Difference]: Start difference. First operand 5570 states and 11094 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:38,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:38,720 INFO L93 Difference]: Finished difference Result 5713 states and 11380 transitions. [2022-11-26 00:04:38,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:04:38,721 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:38,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:38,729 INFO L225 Difference]: With dead ends: 5713 [2022-11-26 00:04:38,729 INFO L226 Difference]: Without dead ends: 5713 [2022-11-26 00:04:38,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:04:38,730 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 291 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 1937 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 1955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:38,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 283 Invalid, 1955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1937 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:04:38,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5713 states. [2022-11-26 00:04:38,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5713 to 5571. [2022-11-26 00:04:38,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5571 states, 5501 states have (on average 2.0170878022177785) internal successors, (11096), 5570 states have internal predecessors, (11096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:38,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5571 states to 5571 states and 11096 transitions. [2022-11-26 00:04:38,808 INFO L78 Accepts]: Start accepts. Automaton has 5571 states and 11096 transitions. Word has length 30 [2022-11-26 00:04:38,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:38,808 INFO L495 AbstractCegarLoop]: Abstraction has 5571 states and 11096 transitions. [2022-11-26 00:04:38,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 5571 states and 11096 transitions. [2022-11-26 00:04:38,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:38,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:38,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:38,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-26 00:04:38,810 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:38,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:38,811 INFO L85 PathProgramCache]: Analyzing trace with hash 76554717, now seen corresponding path program 12 times [2022-11-26 00:04:38,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:38,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885230465] [2022-11-26 00:04:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:38,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:39,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:39,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:39,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885230465] [2022-11-26 00:04:39,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885230465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:39,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:39,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:04:39,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112868034] [2022-11-26 00:04:39,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:39,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:04:39,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:39,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:04:39,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:04:39,433 INFO L87 Difference]: Start difference. First operand 5571 states and 11096 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:40,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:40,922 INFO L93 Difference]: Finished difference Result 5724 states and 11402 transitions. [2022-11-26 00:04:40,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:04:40,924 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:40,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:40,932 INFO L225 Difference]: With dead ends: 5724 [2022-11-26 00:04:40,932 INFO L226 Difference]: Without dead ends: 5724 [2022-11-26 00:04:40,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:04:40,933 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 274 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:40,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 220 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:04:40,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5724 states. [2022-11-26 00:04:40,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5724 to 5575. [2022-11-26 00:04:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5575 states, 5505 states have (on average 2.0170753860127157) internal successors, (11104), 5574 states have internal predecessors, (11104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:41,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5575 states to 5575 states and 11104 transitions. [2022-11-26 00:04:41,012 INFO L78 Accepts]: Start accepts. Automaton has 5575 states and 11104 transitions. Word has length 30 [2022-11-26 00:04:41,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:41,012 INFO L495 AbstractCegarLoop]: Abstraction has 5575 states and 11104 transitions. [2022-11-26 00:04:41,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 5575 states and 11104 transitions. [2022-11-26 00:04:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:41,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:41,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:41,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-11-26 00:04:41,014 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:41,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:41,015 INFO L85 PathProgramCache]: Analyzing trace with hash 76629117, now seen corresponding path program 13 times [2022-11-26 00:04:41,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:41,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552789798] [2022-11-26 00:04:41,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:41,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:41,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:41,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:41,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552789798] [2022-11-26 00:04:41,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552789798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:41,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:41,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:04:41,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723083355] [2022-11-26 00:04:41,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:41,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:04:41,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:41,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:04:41,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:04:41,638 INFO L87 Difference]: Start difference. First operand 5575 states and 11104 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:43,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:43,425 INFO L93 Difference]: Finished difference Result 5781 states and 11467 transitions. [2022-11-26 00:04:43,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:04:43,426 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:43,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:43,433 INFO L225 Difference]: With dead ends: 5781 [2022-11-26 00:04:43,433 INFO L226 Difference]: Without dead ends: 5781 [2022-11-26 00:04:43,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:04:43,434 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 319 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:43,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 297 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:04:43,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2022-11-26 00:04:43,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5573. [2022-11-26 00:04:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5573 states, 5503 states have (on average 2.017081591858986) internal successors, (11100), 5572 states have internal predecessors, (11100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5573 states to 5573 states and 11100 transitions. [2022-11-26 00:04:43,518 INFO L78 Accepts]: Start accepts. Automaton has 5573 states and 11100 transitions. Word has length 30 [2022-11-26 00:04:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:43,519 INFO L495 AbstractCegarLoop]: Abstraction has 5573 states and 11100 transitions. [2022-11-26 00:04:43,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:43,519 INFO L276 IsEmpty]: Start isEmpty. Operand 5573 states and 11100 transitions. [2022-11-26 00:04:43,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:43,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:43,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:43,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-11-26 00:04:43,521 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:43,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:43,521 INFO L85 PathProgramCache]: Analyzing trace with hash 220445247, now seen corresponding path program 14 times [2022-11-26 00:04:43,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:43,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834700218] [2022-11-26 00:04:43,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:43,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:44,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:44,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834700218] [2022-11-26 00:04:44,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834700218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:44,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:44,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:04:44,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506913961] [2022-11-26 00:04:44,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:44,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:04:44,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:44,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:04:44,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:04:44,093 INFO L87 Difference]: Start difference. First operand 5573 states and 11100 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:46,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:46,533 INFO L93 Difference]: Finished difference Result 5801 states and 11507 transitions. [2022-11-26 00:04:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:04:46,534 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:46,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:46,542 INFO L225 Difference]: With dead ends: 5801 [2022-11-26 00:04:46,542 INFO L226 Difference]: Without dead ends: 5801 [2022-11-26 00:04:46,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:04:46,542 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 485 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 1756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:46,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 362 Invalid, 1756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:04:46,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5801 states. [2022-11-26 00:04:46,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5801 to 5572. [2022-11-26 00:04:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5572 states, 5502 states have (on average 2.0170846964740092) internal successors, (11098), 5571 states have internal predecessors, (11098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5572 states to 5572 states and 11098 transitions. [2022-11-26 00:04:46,621 INFO L78 Accepts]: Start accepts. Automaton has 5572 states and 11098 transitions. Word has length 30 [2022-11-26 00:04:46,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:46,621 INFO L495 AbstractCegarLoop]: Abstraction has 5572 states and 11098 transitions. [2022-11-26 00:04:46,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 5572 states and 11098 transitions. [2022-11-26 00:04:46,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:46,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:46,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:46,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-11-26 00:04:46,624 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:46,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:46,624 INFO L85 PathProgramCache]: Analyzing trace with hash 413790011, now seen corresponding path program 15 times [2022-11-26 00:04:46,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:46,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191481034] [2022-11-26 00:04:46,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:46,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:47,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:47,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191481034] [2022-11-26 00:04:47,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191481034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:47,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:47,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:04:47,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904814343] [2022-11-26 00:04:47,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:47,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:04:47,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:47,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:04:47,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:04:47,198 INFO L87 Difference]: Start difference. First operand 5572 states and 11098 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:49,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:49,717 INFO L93 Difference]: Finished difference Result 5827 states and 11559 transitions. [2022-11-26 00:04:49,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:04:49,717 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:49,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:49,725 INFO L225 Difference]: With dead ends: 5827 [2022-11-26 00:04:49,726 INFO L226 Difference]: Without dead ends: 5827 [2022-11-26 00:04:49,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:04:49,726 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 526 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 2011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:49,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 372 Invalid, 2011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:04:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5827 states. [2022-11-26 00:04:49,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5827 to 5571. [2022-11-26 00:04:49,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5571 states, 5501 states have (on average 2.0170878022177785) internal successors, (11096), 5570 states have internal predecessors, (11096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5571 states to 5571 states and 11096 transitions. [2022-11-26 00:04:49,806 INFO L78 Accepts]: Start accepts. Automaton has 5571 states and 11096 transitions. Word has length 30 [2022-11-26 00:04:49,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:49,806 INFO L495 AbstractCegarLoop]: Abstraction has 5571 states and 11096 transitions. [2022-11-26 00:04:49,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:49,807 INFO L276 IsEmpty]: Start isEmpty. Operand 5571 states and 11096 transitions. [2022-11-26 00:04:49,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:49,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:49,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:49,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-11-26 00:04:49,808 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:49,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:49,808 INFO L85 PathProgramCache]: Analyzing trace with hash 769545773, now seen corresponding path program 1 times [2022-11-26 00:04:49,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:49,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200364984] [2022-11-26 00:04:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:49,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:50,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:50,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:50,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200364984] [2022-11-26 00:04:50,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200364984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:50,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:50,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:04:50,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085082952] [2022-11-26 00:04:50,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:50,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:04:50,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:50,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:04:50,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:04:50,512 INFO L87 Difference]: Start difference. First operand 5571 states and 11096 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:52,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:52,240 INFO L93 Difference]: Finished difference Result 10480 states and 20824 transitions. [2022-11-26 00:04:52,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:04:52,240 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:52,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:52,258 INFO L225 Difference]: With dead ends: 10480 [2022-11-26 00:04:52,258 INFO L226 Difference]: Without dead ends: 10480 [2022-11-26 00:04:52,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:04:52,258 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 608 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:52,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 286 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:04:52,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10480 states. [2022-11-26 00:04:52,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10480 to 5674. [2022-11-26 00:04:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5674 states, 5604 states have (on average 2.016773733047823) internal successors, (11302), 5673 states have internal predecessors, (11302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:52,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5674 states to 5674 states and 11302 transitions. [2022-11-26 00:04:52,368 INFO L78 Accepts]: Start accepts. Automaton has 5674 states and 11302 transitions. Word has length 30 [2022-11-26 00:04:52,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:52,368 INFO L495 AbstractCegarLoop]: Abstraction has 5674 states and 11302 transitions. [2022-11-26 00:04:52,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 5674 states and 11302 transitions. [2022-11-26 00:04:52,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:52,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:52,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:52,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-11-26 00:04:52,370 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:52,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:52,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1486395479, now seen corresponding path program 16 times [2022-11-26 00:04:52,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:52,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478121145] [2022-11-26 00:04:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:52,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:53,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:53,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478121145] [2022-11-26 00:04:53,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478121145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:53,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:53,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:04:53,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83034222] [2022-11-26 00:04:53,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:53,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:04:53,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:53,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:04:53,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:04:53,003 INFO L87 Difference]: Start difference. First operand 5674 states and 11302 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:55,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:55,964 INFO L93 Difference]: Finished difference Result 10576 states and 21016 transitions. [2022-11-26 00:04:55,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:04:55,965 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:55,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:55,982 INFO L225 Difference]: With dead ends: 10576 [2022-11-26 00:04:55,982 INFO L226 Difference]: Without dead ends: 10576 [2022-11-26 00:04:55,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=234, Invalid=522, Unknown=0, NotChecked=0, Total=756 [2022-11-26 00:04:55,983 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 640 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 2125 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 2125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:55,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 421 Invalid, 2215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 2125 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:04:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10576 states. [2022-11-26 00:04:56,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10576 to 5697. [2022-11-26 00:04:56,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5697 states, 5627 states have (on average 2.01670517149458) internal successors, (11348), 5696 states have internal predecessors, (11348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:56,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5697 states to 5697 states and 11348 transitions. [2022-11-26 00:04:56,125 INFO L78 Accepts]: Start accepts. Automaton has 5697 states and 11348 transitions. Word has length 30 [2022-11-26 00:04:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:56,125 INFO L495 AbstractCegarLoop]: Abstraction has 5697 states and 11348 transitions. [2022-11-26 00:04:56,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 5697 states and 11348 transitions. [2022-11-26 00:04:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:56,126 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:56,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:56,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-11-26 00:04:56,127 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:56,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:56,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1664317499, now seen corresponding path program 17 times [2022-11-26 00:04:56,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:56,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113199137] [2022-11-26 00:04:56,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:56,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:04:56,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:56,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113199137] [2022-11-26 00:04:56,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113199137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:56,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:04:56,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:04:56,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109982320] [2022-11-26 00:04:56,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:56,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:04:56,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:56,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:04:56,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:04:56,845 INFO L87 Difference]: Start difference. First operand 5697 states and 11348 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:59,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:59,586 INFO L93 Difference]: Finished difference Result 10572 states and 21008 transitions. [2022-11-26 00:04:59,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:04:59,586 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:04:59,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:59,601 INFO L225 Difference]: With dead ends: 10572 [2022-11-26 00:04:59,602 INFO L226 Difference]: Without dead ends: 10572 [2022-11-26 00:04:59,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=205, Invalid=395, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:04:59,602 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 539 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 2331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:59,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 388 Invalid, 2331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 2253 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:04:59,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10572 states. [2022-11-26 00:04:59,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10572 to 5699. [2022-11-26 00:04:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5699 states, 5629 states have (on average 2.0166992360987743) internal successors, (11352), 5698 states have internal predecessors, (11352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5699 states to 5699 states and 11352 transitions. [2022-11-26 00:04:59,706 INFO L78 Accepts]: Start accepts. Automaton has 5699 states and 11352 transitions. Word has length 30 [2022-11-26 00:04:59,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:59,707 INFO L495 AbstractCegarLoop]: Abstraction has 5699 states and 11352 transitions. [2022-11-26 00:04:59,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:04:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 5699 states and 11352 transitions. [2022-11-26 00:04:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:04:59,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:59,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:59,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-11-26 00:04:59,710 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:04:59,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:59,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1664391899, now seen corresponding path program 18 times [2022-11-26 00:04:59,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:59,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102546139] [2022-11-26 00:04:59,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:59,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:00,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:00,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102546139] [2022-11-26 00:05:00,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102546139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:00,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:00,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:05:00,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553337676] [2022-11-26 00:05:00,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:00,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:05:00,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:00,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:05:00,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:05:00,403 INFO L87 Difference]: Start difference. First operand 5699 states and 11352 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:03,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:03,973 INFO L93 Difference]: Finished difference Result 10590 states and 21044 transitions. [2022-11-26 00:05:03,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-26 00:05:03,973 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:03,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:03,995 INFO L225 Difference]: With dead ends: 10590 [2022-11-26 00:05:03,995 INFO L226 Difference]: Without dead ends: 10590 [2022-11-26 00:05:03,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=271, Invalid=599, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:05:03,996 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 642 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 2895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:03,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 455 Invalid, 2895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 2787 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:05:04,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10590 states. [2022-11-26 00:05:04,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10590 to 5694. [2022-11-26 00:05:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5694 states, 5624 states have (on average 2.0167140825035563) internal successors, (11342), 5693 states have internal predecessors, (11342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5694 states to 5694 states and 11342 transitions. [2022-11-26 00:05:04,102 INFO L78 Accepts]: Start accepts. Automaton has 5694 states and 11342 transitions. Word has length 30 [2022-11-26 00:05:04,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:04,103 INFO L495 AbstractCegarLoop]: Abstraction has 5694 states and 11342 transitions. [2022-11-26 00:05:04,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:04,103 INFO L276 IsEmpty]: Start isEmpty. Operand 5694 states and 11342 transitions. [2022-11-26 00:05:04,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:04,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:04,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:04,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-11-26 00:05:04,105 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:04,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:04,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1523019243, now seen corresponding path program 19 times [2022-11-26 00:05:04,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:04,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025850429] [2022-11-26 00:05:04,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:04,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:04,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:04,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025850429] [2022-11-26 00:05:04,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025850429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:04,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:04,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:05:04,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381359478] [2022-11-26 00:05:04,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:04,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:05:04,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:04,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:05:04,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:05:04,804 INFO L87 Difference]: Start difference. First operand 5694 states and 11342 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:07,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:07,467 INFO L93 Difference]: Finished difference Result 10573 states and 21010 transitions. [2022-11-26 00:05:07,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-26 00:05:07,471 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:07,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:07,487 INFO L225 Difference]: With dead ends: 10573 [2022-11-26 00:05:07,487 INFO L226 Difference]: Without dead ends: 10573 [2022-11-26 00:05:07,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=215, Invalid=435, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:05:07,488 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 515 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 2227 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 2297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:07,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 388 Invalid, 2297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2227 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:05:07,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10573 states. [2022-11-26 00:05:07,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10573 to 5697. [2022-11-26 00:05:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5697 states, 5627 states have (on average 2.01670517149458) internal successors, (11348), 5696 states have internal predecessors, (11348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:07,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5697 states to 5697 states and 11348 transitions. [2022-11-26 00:05:07,598 INFO L78 Accepts]: Start accepts. Automaton has 5697 states and 11348 transitions. Word has length 30 [2022-11-26 00:05:07,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:07,598 INFO L495 AbstractCegarLoop]: Abstraction has 5697 states and 11348 transitions. [2022-11-26 00:05:07,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:07,598 INFO L276 IsEmpty]: Start isEmpty. Operand 5697 states and 11348 transitions. [2022-11-26 00:05:07,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:07,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:07,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:07,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-11-26 00:05:07,600 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:07,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:07,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1522944843, now seen corresponding path program 20 times [2022-11-26 00:05:07,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:07,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626519546] [2022-11-26 00:05:07,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:07,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:08,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:08,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626519546] [2022-11-26 00:05:08,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626519546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:08,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:08,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:05:08,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978819625] [2022-11-26 00:05:08,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:08,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:05:08,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:08,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:05:08,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:05:08,175 INFO L87 Difference]: Start difference. First operand 5697 states and 11348 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:11,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:11,402 INFO L93 Difference]: Finished difference Result 10595 states and 21054 transitions. [2022-11-26 00:05:11,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:05:11,403 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:11,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:11,418 INFO L225 Difference]: With dead ends: 10595 [2022-11-26 00:05:11,418 INFO L226 Difference]: Without dead ends: 10595 [2022-11-26 00:05:11,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=415, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:05:11,419 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 506 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 2720 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 2789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 2720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:11,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 456 Invalid, 2789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 2720 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:05:11,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10595 states. [2022-11-26 00:05:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10595 to 5695. [2022-11-26 00:05:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5695 states, 5625 states have (on average 2.016711111111111) internal successors, (11344), 5694 states have internal predecessors, (11344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5695 states to 5695 states and 11344 transitions. [2022-11-26 00:05:11,552 INFO L78 Accepts]: Start accepts. Automaton has 5695 states and 11344 transitions. Word has length 30 [2022-11-26 00:05:11,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:11,553 INFO L495 AbstractCegarLoop]: Abstraction has 5695 states and 11344 transitions. [2022-11-26 00:05:11,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:11,553 INFO L276 IsEmpty]: Start isEmpty. Operand 5695 states and 11344 transitions. [2022-11-26 00:05:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:11,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:11,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:11,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-11-26 00:05:11,555 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:11,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:11,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1379128713, now seen corresponding path program 21 times [2022-11-26 00:05:11,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:11,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379824987] [2022-11-26 00:05:11,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:11,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:12,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:12,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379824987] [2022-11-26 00:05:12,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379824987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:12,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:12,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:05:12,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454516122] [2022-11-26 00:05:12,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:12,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:05:12,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:12,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:05:12,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:05:12,250 INFO L87 Difference]: Start difference. First operand 5695 states and 11344 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:15,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:15,608 INFO L93 Difference]: Finished difference Result 10571 states and 21006 transitions. [2022-11-26 00:05:15,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 00:05:15,608 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:15,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:15,624 INFO L225 Difference]: With dead ends: 10571 [2022-11-26 00:05:15,624 INFO L226 Difference]: Without dead ends: 10571 [2022-11-26 00:05:15,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=229, Invalid=473, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:05:15,625 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 598 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 2733 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 2815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 2733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:15,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 420 Invalid, 2815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 2733 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:05:15,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10571 states. [2022-11-26 00:05:15,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10571 to 5697. [2022-11-26 00:05:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5697 states, 5627 states have (on average 2.01670517149458) internal successors, (11348), 5696 states have internal predecessors, (11348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5697 states to 5697 states and 11348 transitions. [2022-11-26 00:05:15,755 INFO L78 Accepts]: Start accepts. Automaton has 5697 states and 11348 transitions. Word has length 30 [2022-11-26 00:05:15,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:15,755 INFO L495 AbstractCegarLoop]: Abstraction has 5697 states and 11348 transitions. [2022-11-26 00:05:15,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 5697 states and 11348 transitions. [2022-11-26 00:05:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:15,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:15,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:15,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-11-26 00:05:15,757 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:15,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:15,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1379054313, now seen corresponding path program 22 times [2022-11-26 00:05:15,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:15,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235749388] [2022-11-26 00:05:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:16,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:16,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:16,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235749388] [2022-11-26 00:05:16,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235749388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:16,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:16,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:05:16,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358137377] [2022-11-26 00:05:16,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:16,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:05:16,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:16,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:05:16,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:05:16,363 INFO L87 Difference]: Start difference. First operand 5697 states and 11348 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:19,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:19,354 INFO L93 Difference]: Finished difference Result 10590 states and 21044 transitions. [2022-11-26 00:05:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:05:19,354 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:19,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:19,379 INFO L225 Difference]: With dead ends: 10590 [2022-11-26 00:05:19,379 INFO L226 Difference]: Without dead ends: 10590 [2022-11-26 00:05:19,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:05:19,380 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 533 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 2551 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 2630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 2551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:19,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 451 Invalid, 2630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 2551 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:05:19,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10590 states. [2022-11-26 00:05:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10590 to 5699. [2022-11-26 00:05:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5699 states, 5629 states have (on average 2.0166992360987743) internal successors, (11352), 5698 states have internal predecessors, (11352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5699 states to 5699 states and 11352 transitions. [2022-11-26 00:05:19,487 INFO L78 Accepts]: Start accepts. Automaton has 5699 states and 11352 transitions. Word has length 30 [2022-11-26 00:05:19,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:19,487 INFO L495 AbstractCegarLoop]: Abstraction has 5699 states and 11352 transitions. [2022-11-26 00:05:19,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:19,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5699 states and 11352 transitions. [2022-11-26 00:05:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:19,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:19,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:19,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-11-26 00:05:19,489 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:19,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:19,490 INFO L85 PathProgramCache]: Analyzing trace with hash -687335907, now seen corresponding path program 23 times [2022-11-26 00:05:19,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:19,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786981449] [2022-11-26 00:05:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:19,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:20,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:20,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:20,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786981449] [2022-11-26 00:05:20,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786981449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:20,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:20,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:05:20,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269242945] [2022-11-26 00:05:20,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:20,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:05:20,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:20,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:05:20,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:05:20,093 INFO L87 Difference]: Start difference. First operand 5699 states and 11352 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:22,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:22,732 INFO L93 Difference]: Finished difference Result 10594 states and 21052 transitions. [2022-11-26 00:05:22,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:05:22,733 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:22,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:22,749 INFO L225 Difference]: With dead ends: 10594 [2022-11-26 00:05:22,750 INFO L226 Difference]: Without dead ends: 10594 [2022-11-26 00:05:22,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:05:22,750 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 560 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 2180 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:22,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 427 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2180 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:05:22,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10594 states. [2022-11-26 00:05:22,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10594 to 5701. [2022-11-26 00:05:22,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5701 states, 5631 states have (on average 2.0166933049191975) internal successors, (11356), 5700 states have internal predecessors, (11356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:22,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5701 states to 5701 states and 11356 transitions. [2022-11-26 00:05:22,861 INFO L78 Accepts]: Start accepts. Automaton has 5701 states and 11356 transitions. Word has length 30 [2022-11-26 00:05:22,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:22,861 INFO L495 AbstractCegarLoop]: Abstraction has 5701 states and 11356 transitions. [2022-11-26 00:05:22,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 5701 states and 11356 transitions. [2022-11-26 00:05:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:22,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:22,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:22,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-11-26 00:05:22,863 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:22,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:22,863 INFO L85 PathProgramCache]: Analyzing trace with hash -543445377, now seen corresponding path program 24 times [2022-11-26 00:05:22,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:22,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663507273] [2022-11-26 00:05:22,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:22,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:23,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:23,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663507273] [2022-11-26 00:05:23,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663507273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:23,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:23,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:05:23,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981078098] [2022-11-26 00:05:23,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:23,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:05:23,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:23,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:05:23,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:05:23,660 INFO L87 Difference]: Start difference. First operand 5701 states and 11356 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:27,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:27,089 INFO L93 Difference]: Finished difference Result 10606 states and 21076 transitions. [2022-11-26 00:05:27,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:05:27,090 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:27,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:27,105 INFO L225 Difference]: With dead ends: 10606 [2022-11-26 00:05:27,105 INFO L226 Difference]: Without dead ends: 10606 [2022-11-26 00:05:27,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:05:27,106 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 552 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 2204 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:27,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 430 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 2204 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:05:27,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10606 states. [2022-11-26 00:05:27,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10606 to 5700. [2022-11-26 00:05:27,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5700 states, 5630 states have (on average 2.016696269982238) internal successors, (11354), 5699 states have internal predecessors, (11354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:27,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5700 states to 5700 states and 11354 transitions. [2022-11-26 00:05:27,209 INFO L78 Accepts]: Start accepts. Automaton has 5700 states and 11354 transitions. Word has length 30 [2022-11-26 00:05:27,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:27,210 INFO L495 AbstractCegarLoop]: Abstraction has 5700 states and 11354 transitions. [2022-11-26 00:05:27,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 5700 states and 11354 transitions. [2022-11-26 00:05:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:27,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:27,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:27,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-11-26 00:05:27,212 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:27,212 INFO L85 PathProgramCache]: Analyzing trace with hash -350100613, now seen corresponding path program 25 times [2022-11-26 00:05:27,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:27,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632362556] [2022-11-26 00:05:27,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:27,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:27,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:27,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632362556] [2022-11-26 00:05:27,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632362556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:27,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:27,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:05:27,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983965169] [2022-11-26 00:05:27,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:27,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:05:27,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:27,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:05:27,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:05:27,964 INFO L87 Difference]: Start difference. First operand 5700 states and 11354 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:30,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:30,251 INFO L93 Difference]: Finished difference Result 10626 states and 21116 transitions. [2022-11-26 00:05:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:05:30,252 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:30,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:30,268 INFO L225 Difference]: With dead ends: 10626 [2022-11-26 00:05:30,268 INFO L226 Difference]: Without dead ends: 10626 [2022-11-26 00:05:30,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:05:30,268 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 499 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 1684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:30,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 392 Invalid, 1684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:05:30,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10626 states. [2022-11-26 00:05:30,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10626 to 5696. [2022-11-26 00:05:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5696 states, 5626 states have (on average 2.0167081407749734) internal successors, (11346), 5695 states have internal predecessors, (11346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:30,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5696 states to 5696 states and 11346 transitions. [2022-11-26 00:05:30,377 INFO L78 Accepts]: Start accepts. Automaton has 5696 states and 11346 transitions. Word has length 30 [2022-11-26 00:05:30,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:30,377 INFO L495 AbstractCegarLoop]: Abstraction has 5696 states and 11346 transitions. [2022-11-26 00:05:30,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:30,377 INFO L276 IsEmpty]: Start isEmpty. Operand 5696 states and 11346 transitions. [2022-11-26 00:05:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:30,378 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:30,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:30,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-11-26 00:05:30,379 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:30,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:30,379 INFO L85 PathProgramCache]: Analyzing trace with hash -2131083501, now seen corresponding path program 2 times [2022-11-26 00:05:30,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:30,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287895874] [2022-11-26 00:05:30,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:30,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:31,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:31,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287895874] [2022-11-26 00:05:31,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287895874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:31,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:31,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:05:31,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035920703] [2022-11-26 00:05:31,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:31,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:05:31,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:31,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:05:31,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:05:31,311 INFO L87 Difference]: Start difference. First operand 5696 states and 11346 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:33,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:33,986 INFO L93 Difference]: Finished difference Result 10472 states and 20808 transitions. [2022-11-26 00:05:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:05:33,987 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:33,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:34,004 INFO L225 Difference]: With dead ends: 10472 [2022-11-26 00:05:34,004 INFO L226 Difference]: Without dead ends: 10472 [2022-11-26 00:05:34,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:05:34,004 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 738 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:34,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 300 Invalid, 2023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:05:34,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10472 states. [2022-11-26 00:05:34,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10472 to 5698. [2022-11-26 00:05:34,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5698 states, 5628 states have (on average 2.0167022032693676) internal successors, (11350), 5697 states have internal predecessors, (11350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5698 states to 5698 states and 11350 transitions. [2022-11-26 00:05:34,118 INFO L78 Accepts]: Start accepts. Automaton has 5698 states and 11350 transitions. Word has length 30 [2022-11-26 00:05:34,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:34,119 INFO L495 AbstractCegarLoop]: Abstraction has 5698 states and 11350 transitions. [2022-11-26 00:05:34,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:34,119 INFO L276 IsEmpty]: Start isEmpty. Operand 5698 states and 11350 transitions. [2022-11-26 00:05:34,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:34,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:34,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:34,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-11-26 00:05:34,121 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:34,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:34,122 INFO L85 PathProgramCache]: Analyzing trace with hash -2131335531, now seen corresponding path program 3 times [2022-11-26 00:05:34,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:34,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202668386] [2022-11-26 00:05:34,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:34,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:34,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:34,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202668386] [2022-11-26 00:05:34,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202668386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:34,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:34,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:05:34,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239396664] [2022-11-26 00:05:34,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:34,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:05:34,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:34,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:05:34,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:05:34,844 INFO L87 Difference]: Start difference. First operand 5698 states and 11350 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:37,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:37,046 INFO L93 Difference]: Finished difference Result 10481 states and 20826 transitions. [2022-11-26 00:05:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:05:37,047 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:37,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:37,063 INFO L225 Difference]: With dead ends: 10481 [2022-11-26 00:05:37,063 INFO L226 Difference]: Without dead ends: 10481 [2022-11-26 00:05:37,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:05:37,064 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 637 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:37,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 307 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:05:37,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10481 states. [2022-11-26 00:05:37,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10481 to 5701. [2022-11-26 00:05:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5701 states, 5631 states have (on average 2.0166933049191975) internal successors, (11356), 5700 states have internal predecessors, (11356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5701 states to 5701 states and 11356 transitions. [2022-11-26 00:05:37,170 INFO L78 Accepts]: Start accepts. Automaton has 5701 states and 11356 transitions. Word has length 30 [2022-11-26 00:05:37,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:37,170 INFO L495 AbstractCegarLoop]: Abstraction has 5701 states and 11356 transitions. [2022-11-26 00:05:37,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 5701 states and 11356 transitions. [2022-11-26 00:05:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:37,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:37,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:37,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-11-26 00:05:37,172 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:37,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:37,172 INFO L85 PathProgramCache]: Analyzing trace with hash 696397911, now seen corresponding path program 4 times [2022-11-26 00:05:37,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:37,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418361353] [2022-11-26 00:05:37,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:37,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:37,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:37,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:37,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418361353] [2022-11-26 00:05:37,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418361353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:37,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:37,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:05:37,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861116524] [2022-11-26 00:05:37,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:37,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:05:37,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:37,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:05:37,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:05:37,807 INFO L87 Difference]: Start difference. First operand 5701 states and 11356 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:40,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:40,379 INFO L93 Difference]: Finished difference Result 10496 states and 20856 transitions. [2022-11-26 00:05:40,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:05:40,379 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:40,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:40,396 INFO L225 Difference]: With dead ends: 10496 [2022-11-26 00:05:40,396 INFO L226 Difference]: Without dead ends: 10496 [2022-11-26 00:05:40,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:05:40,396 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 614 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:40,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 330 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:05:40,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10496 states. [2022-11-26 00:05:40,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10496 to 5706. [2022-11-26 00:05:40,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5706 states, 5636 states have (on average 2.0166784953867993) internal successors, (11366), 5705 states have internal predecessors, (11366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:40,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5706 states to 5706 states and 11366 transitions. [2022-11-26 00:05:40,528 INFO L78 Accepts]: Start accepts. Automaton has 5706 states and 11366 transitions. Word has length 30 [2022-11-26 00:05:40,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:40,528 INFO L495 AbstractCegarLoop]: Abstraction has 5706 states and 11366 transitions. [2022-11-26 00:05:40,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:40,529 INFO L276 IsEmpty]: Start isEmpty. Operand 5706 states and 11366 transitions. [2022-11-26 00:05:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:40,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:40,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:40,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-11-26 00:05:40,530 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:40,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:40,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1971333317, now seen corresponding path program 5 times [2022-11-26 00:05:40,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:40,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346430617] [2022-11-26 00:05:40,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:40,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:41,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:41,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:41,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346430617] [2022-11-26 00:05:41,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346430617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:41,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:41,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:05:41,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168894282] [2022-11-26 00:05:41,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:41,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:05:41,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:41,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:05:41,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:05:41,146 INFO L87 Difference]: Start difference. First operand 5706 states and 11366 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:43,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:43,484 INFO L93 Difference]: Finished difference Result 10556 states and 20976 transitions. [2022-11-26 00:05:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-26 00:05:43,485 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:43,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:43,500 INFO L225 Difference]: With dead ends: 10556 [2022-11-26 00:05:43,500 INFO L226 Difference]: Without dead ends: 10556 [2022-11-26 00:05:43,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=633, Unknown=0, NotChecked=0, Total=930 [2022-11-26 00:05:43,501 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 893 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:43,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 256 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:05:43,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10556 states. [2022-11-26 00:05:43,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10556 to 5710. [2022-11-26 00:05:43,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5710 states, 5640 states have (on average 2.0166666666666666) internal successors, (11374), 5709 states have internal predecessors, (11374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:43,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5710 states to 5710 states and 11374 transitions. [2022-11-26 00:05:43,606 INFO L78 Accepts]: Start accepts. Automaton has 5710 states and 11374 transitions. Word has length 30 [2022-11-26 00:05:43,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:43,606 INFO L495 AbstractCegarLoop]: Abstraction has 5710 states and 11374 transitions. [2022-11-26 00:05:43,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:43,606 INFO L276 IsEmpty]: Start isEmpty. Operand 5710 states and 11374 transitions. [2022-11-26 00:05:43,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:43,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:43,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:43,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-11-26 00:05:43,608 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:43,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:43,609 INFO L85 PathProgramCache]: Analyzing trace with hash -2112542657, now seen corresponding path program 6 times [2022-11-26 00:05:43,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:43,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896370894] [2022-11-26 00:05:43,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:43,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:44,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:44,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896370894] [2022-11-26 00:05:44,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896370894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:44,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:44,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:05:44,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747773588] [2022-11-26 00:05:44,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:44,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:05:44,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:44,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:05:44,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:05:44,132 INFO L87 Difference]: Start difference. First operand 5710 states and 11374 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:46,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:46,804 INFO L93 Difference]: Finished difference Result 10594 states and 21052 transitions. [2022-11-26 00:05:46,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:05:46,804 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:46,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:46,820 INFO L225 Difference]: With dead ends: 10594 [2022-11-26 00:05:46,820 INFO L226 Difference]: Without dead ends: 10594 [2022-11-26 00:05:46,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=270, Invalid=600, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:05:46,821 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 762 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 1935 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:46,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 307 Invalid, 2034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1935 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:05:46,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10594 states. [2022-11-26 00:05:46,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10594 to 5663. [2022-11-26 00:05:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5663 states, 5593 states have (on average 2.0168067226890756) internal successors, (11280), 5662 states have internal predecessors, (11280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5663 states to 5663 states and 11280 transitions. [2022-11-26 00:05:46,927 INFO L78 Accepts]: Start accepts. Automaton has 5663 states and 11280 transitions. Word has length 30 [2022-11-26 00:05:46,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:46,927 INFO L495 AbstractCegarLoop]: Abstraction has 5663 states and 11280 transitions. [2022-11-26 00:05:46,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5663 states and 11280 transitions. [2022-11-26 00:05:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:46,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:46,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:46,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-11-26 00:05:46,929 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:46,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1536863533, now seen corresponding path program 7 times [2022-11-26 00:05:46,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:46,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809227275] [2022-11-26 00:05:46,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:46,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:47,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:47,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809227275] [2022-11-26 00:05:47,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809227275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:47,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:47,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:05:47,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233614224] [2022-11-26 00:05:47,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:47,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:05:47,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:47,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:05:47,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:05:47,322 INFO L87 Difference]: Start difference. First operand 5663 states and 11280 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:49,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:49,191 INFO L93 Difference]: Finished difference Result 9391 states and 18656 transitions. [2022-11-26 00:05:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:05:49,191 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:49,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:49,205 INFO L225 Difference]: With dead ends: 9391 [2022-11-26 00:05:49,205 INFO L226 Difference]: Without dead ends: 9391 [2022-11-26 00:05:49,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:05:49,206 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 602 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:49,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 220 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:05:49,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9391 states. [2022-11-26 00:05:49,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9391 to 5813. [2022-11-26 00:05:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5813 states, 5743 states have (on average 2.0200243775030473) internal successors, (11601), 5812 states have internal predecessors, (11601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5813 states to 5813 states and 11601 transitions. [2022-11-26 00:05:49,308 INFO L78 Accepts]: Start accepts. Automaton has 5813 states and 11601 transitions. Word has length 30 [2022-11-26 00:05:49,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:49,308 INFO L495 AbstractCegarLoop]: Abstraction has 5813 states and 11601 transitions. [2022-11-26 00:05:49,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5813 states and 11601 transitions. [2022-11-26 00:05:49,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:49,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:49,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:49,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-11-26 00:05:49,310 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:49,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:49,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1678072873, now seen corresponding path program 8 times [2022-11-26 00:05:49,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:49,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645627222] [2022-11-26 00:05:49,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:49,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:49,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:49,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645627222] [2022-11-26 00:05:49,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645627222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:49,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:49,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:05:49,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554509795] [2022-11-26 00:05:49,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:49,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:05:49,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:49,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:05:49,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:05:49,876 INFO L87 Difference]: Start difference. First operand 5813 states and 11601 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:51,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:51,494 INFO L93 Difference]: Finished difference Result 9292 states and 18458 transitions. [2022-11-26 00:05:51,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:05:51,495 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:51,508 INFO L225 Difference]: With dead ends: 9292 [2022-11-26 00:05:51,508 INFO L226 Difference]: Without dead ends: 9292 [2022-11-26 00:05:51,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:05:51,508 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 503 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:51,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 210 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:05:51,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9292 states. [2022-11-26 00:05:51,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9292 to 5818. [2022-11-26 00:05:51,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5818 states, 5748 states have (on average 2.0201809324982603) internal successors, (11612), 5817 states have internal predecessors, (11612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:51,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5818 states to 5818 states and 11612 transitions. [2022-11-26 00:05:51,608 INFO L78 Accepts]: Start accepts. Automaton has 5818 states and 11612 transitions. Word has length 30 [2022-11-26 00:05:51,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:51,608 INFO L495 AbstractCegarLoop]: Abstraction has 5818 states and 11612 transitions. [2022-11-26 00:05:51,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 5818 states and 11612 transitions. [2022-11-26 00:05:51,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:51,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:51,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:51,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-11-26 00:05:51,610 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:51,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:51,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1685741653, now seen corresponding path program 9 times [2022-11-26 00:05:51,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:51,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375320192] [2022-11-26 00:05:51,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:51,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:52,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:52,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375320192] [2022-11-26 00:05:52,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375320192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:52,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:52,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:05:52,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697907411] [2022-11-26 00:05:52,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:52,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:05:52,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:52,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:05:52,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:05:52,126 INFO L87 Difference]: Start difference. First operand 5818 states and 11612 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:53,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:53,971 INFO L93 Difference]: Finished difference Result 9336 states and 18546 transitions. [2022-11-26 00:05:53,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:05:53,972 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:53,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:53,985 INFO L225 Difference]: With dead ends: 9336 [2022-11-26 00:05:53,985 INFO L226 Difference]: Without dead ends: 9336 [2022-11-26 00:05:53,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:05:53,986 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 588 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:53,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 252 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:05:53,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9336 states. [2022-11-26 00:05:54,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9336 to 5865. [2022-11-26 00:05:54,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5865 states, 5795 states have (on average 2.0208800690250217) internal successors, (11711), 5864 states have internal predecessors, (11711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:54,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5865 states to 5865 states and 11711 transitions. [2022-11-26 00:05:54,086 INFO L78 Accepts]: Start accepts. Automaton has 5865 states and 11711 transitions. Word has length 30 [2022-11-26 00:05:54,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:54,086 INFO L495 AbstractCegarLoop]: Abstraction has 5865 states and 11711 transitions. [2022-11-26 00:05:54,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:54,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5865 states and 11711 transitions. [2022-11-26 00:05:54,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:54,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:54,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:54,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-11-26 00:05:54,088 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:54,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:54,089 INFO L85 PathProgramCache]: Analyzing trace with hash 246962928, now seen corresponding path program 1 times [2022-11-26 00:05:54,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:54,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577191886] [2022-11-26 00:05:54,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:54,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:55,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:55,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577191886] [2022-11-26 00:05:55,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577191886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:55,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:55,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:05:55,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390909921] [2022-11-26 00:05:55,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:55,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:05:55,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:55,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:05:55,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:05:55,057 INFO L87 Difference]: Start difference. First operand 5865 states and 11711 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:56,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:56,973 INFO L93 Difference]: Finished difference Result 6221 states and 12418 transitions. [2022-11-26 00:05:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:05:56,973 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:05:56,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:56,983 INFO L225 Difference]: With dead ends: 6221 [2022-11-26 00:05:56,983 INFO L226 Difference]: Without dead ends: 6221 [2022-11-26 00:05:56,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:05:56,983 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 392 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:56,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 225 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:05:56,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states. [2022-11-26 00:05:57,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 5921. [2022-11-26 00:05:57,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5921 states, 5851 states have (on average 2.020680225602461) internal successors, (11823), 5920 states have internal predecessors, (11823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5921 states to 5921 states and 11823 transitions. [2022-11-26 00:05:57,069 INFO L78 Accepts]: Start accepts. Automaton has 5921 states and 11823 transitions. Word has length 30 [2022-11-26 00:05:57,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:57,070 INFO L495 AbstractCegarLoop]: Abstraction has 5921 states and 11823 transitions. [2022-11-26 00:05:57,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:05:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 5921 states and 11823 transitions. [2022-11-26 00:05:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:05:57,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:57,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:57,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-11-26 00:05:57,072 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:05:57,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:57,073 INFO L85 PathProgramCache]: Analyzing trace with hash 200204308, now seen corresponding path program 2 times [2022-11-26 00:05:57,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:57,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910547178] [2022-11-26 00:05:57,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:57,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:05:58,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:58,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910547178] [2022-11-26 00:05:58,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910547178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:58,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:58,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:05:58,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365363650] [2022-11-26 00:05:58,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:58,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:05:58,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:58,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:05:58,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:05:58,574 INFO L87 Difference]: Start difference. First operand 5921 states and 11823 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:01,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:01,336 INFO L93 Difference]: Finished difference Result 6327 states and 12627 transitions. [2022-11-26 00:06:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:06:01,336 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:01,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:01,346 INFO L225 Difference]: With dead ends: 6327 [2022-11-26 00:06:01,346 INFO L226 Difference]: Without dead ends: 6327 [2022-11-26 00:06:01,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:06:01,347 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 402 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:01,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 231 Invalid, 2167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2081 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:06:01,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6327 states. [2022-11-26 00:06:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6327 to 5949. [2022-11-26 00:06:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5949 states, 5879 states have (on average 2.021092022452798) internal successors, (11882), 5948 states have internal predecessors, (11882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5949 states to 5949 states and 11882 transitions. [2022-11-26 00:06:01,484 INFO L78 Accepts]: Start accepts. Automaton has 5949 states and 11882 transitions. Word has length 30 [2022-11-26 00:06:01,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:01,485 INFO L495 AbstractCegarLoop]: Abstraction has 5949 states and 11882 transitions. [2022-11-26 00:06:01,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:01,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5949 states and 11882 transitions. [2022-11-26 00:06:01,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:01,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:01,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:01,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-11-26 00:06:01,488 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:01,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:01,489 INFO L85 PathProgramCache]: Analyzing trace with hash 300302068, now seen corresponding path program 3 times [2022-11-26 00:06:01,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:01,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754477472] [2022-11-26 00:06:01,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:01,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:02,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:02,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754477472] [2022-11-26 00:06:02,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754477472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:02,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:02,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:06:02,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64328254] [2022-11-26 00:06:02,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:02,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:06:02,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:02,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:06:02,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:06:02,500 INFO L87 Difference]: Start difference. First operand 5949 states and 11882 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:05,040 INFO L93 Difference]: Finished difference Result 6314 states and 12603 transitions. [2022-11-26 00:06:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:06:05,040 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:05,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:05,049 INFO L225 Difference]: With dead ends: 6314 [2022-11-26 00:06:05,049 INFO L226 Difference]: Without dead ends: 6314 [2022-11-26 00:06:05,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:06:05,050 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 374 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 1965 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:05,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 251 Invalid, 2129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1965 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:06:05,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6314 states. [2022-11-26 00:06:05,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6314 to 5942. [2022-11-26 00:06:05,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5942 states, 5872 states have (on average 2.020776566757493) internal successors, (11866), 5941 states have internal predecessors, (11866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 11866 transitions. [2022-11-26 00:06:05,131 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 11866 transitions. Word has length 30 [2022-11-26 00:06:05,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:05,131 INFO L495 AbstractCegarLoop]: Abstraction has 5942 states and 11866 transitions. [2022-11-26 00:06:05,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 11866 transitions. [2022-11-26 00:06:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:05,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:05,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:05,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-11-26 00:06:05,133 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:05,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:05,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1328156108, now seen corresponding path program 4 times [2022-11-26 00:06:05,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:05,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350962799] [2022-11-26 00:06:05,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:05,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:05,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:05,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350962799] [2022-11-26 00:06:05,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350962799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:05,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:05,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:06:05,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769687980] [2022-11-26 00:06:05,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:05,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:06:05,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:05,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:06:05,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:06:05,928 INFO L87 Difference]: Start difference. First operand 5942 states and 11866 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:07,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:07,774 INFO L93 Difference]: Finished difference Result 6374 states and 12720 transitions. [2022-11-26 00:06:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:06:07,774 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:07,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:07,782 INFO L225 Difference]: With dead ends: 6374 [2022-11-26 00:06:07,783 INFO L226 Difference]: Without dead ends: 6374 [2022-11-26 00:06:07,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=371, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:06:07,783 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 484 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:07,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 201 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:06:07,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6374 states. [2022-11-26 00:06:07,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6374 to 5963. [2022-11-26 00:06:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5963 states, 5893 states have (on average 2.0208722212794843) internal successors, (11909), 5962 states have internal predecessors, (11909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5963 states to 5963 states and 11909 transitions. [2022-11-26 00:06:07,864 INFO L78 Accepts]: Start accepts. Automaton has 5963 states and 11909 transitions. Word has length 30 [2022-11-26 00:06:07,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:07,864 INFO L495 AbstractCegarLoop]: Abstraction has 5963 states and 11909 transitions. [2022-11-26 00:06:07,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:07,864 INFO L276 IsEmpty]: Start isEmpty. Operand 5963 states and 11909 transitions. [2022-11-26 00:06:07,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:07,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:07,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:07,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-11-26 00:06:07,866 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:07,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:07,866 INFO L85 PathProgramCache]: Analyzing trace with hash -395492438, now seen corresponding path program 2 times [2022-11-26 00:06:07,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:07,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679992630] [2022-11-26 00:06:07,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:07,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:08,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:08,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679992630] [2022-11-26 00:06:08,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679992630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:08,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:08,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:06:08,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228277104] [2022-11-26 00:06:08,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:08,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:06:08,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:08,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:06:08,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:06:08,513 INFO L87 Difference]: Start difference. First operand 5963 states and 11909 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:11,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:11,966 INFO L93 Difference]: Finished difference Result 12961 states and 25756 transitions. [2022-11-26 00:06:11,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:06:11,967 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:11,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:11,988 INFO L225 Difference]: With dead ends: 12961 [2022-11-26 00:06:11,988 INFO L226 Difference]: Without dead ends: 12961 [2022-11-26 00:06:11,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=279, Invalid=713, Unknown=0, NotChecked=0, Total=992 [2022-11-26 00:06:11,988 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 1064 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 2468 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:11,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 654 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2468 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:06:12,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12961 states. [2022-11-26 00:06:12,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12961 to 5988. [2022-11-26 00:06:12,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5988 states, 5918 states have (on average 2.0207840486650896) internal successors, (11959), 5987 states have internal predecessors, (11959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5988 states to 5988 states and 11959 transitions. [2022-11-26 00:06:12,109 INFO L78 Accepts]: Start accepts. Automaton has 5988 states and 11959 transitions. Word has length 30 [2022-11-26 00:06:12,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:12,110 INFO L495 AbstractCegarLoop]: Abstraction has 5988 states and 11959 transitions. [2022-11-26 00:06:12,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 5988 states and 11959 transitions. [2022-11-26 00:06:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:12,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:12,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:12,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-11-26 00:06:12,112 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:12,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:12,112 INFO L85 PathProgramCache]: Analyzing trace with hash 27080457, now seen corresponding path program 1 times [2022-11-26 00:06:12,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:12,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589095219] [2022-11-26 00:06:12,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:12,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:12,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:12,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589095219] [2022-11-26 00:06:12,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589095219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:12,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:12,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:06:12,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465605697] [2022-11-26 00:06:12,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:12,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:06:12,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:12,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:06:12,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:06:12,450 INFO L87 Difference]: Start difference. First operand 5988 states and 11959 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:15,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:15,437 INFO L93 Difference]: Finished difference Result 12717 states and 25268 transitions. [2022-11-26 00:06:15,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-26 00:06:15,437 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:15,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:15,459 INFO L225 Difference]: With dead ends: 12717 [2022-11-26 00:06:15,459 INFO L226 Difference]: Without dead ends: 12717 [2022-11-26 00:06:15,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=498, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:06:15,459 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 941 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 2354 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:15,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 768 Invalid, 2398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2354 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:06:15,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12717 states. [2022-11-26 00:06:15,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12717 to 6103. [2022-11-26 00:06:15,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6103 states, 6033 states have (on average 2.0210508867893253) internal successors, (12193), 6102 states have internal predecessors, (12193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:15,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6103 states to 6103 states and 12193 transitions. [2022-11-26 00:06:15,663 INFO L78 Accepts]: Start accepts. Automaton has 6103 states and 12193 transitions. Word has length 30 [2022-11-26 00:06:15,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:15,664 INFO L495 AbstractCegarLoop]: Abstraction has 6103 states and 12193 transitions. [2022-11-26 00:06:15,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:15,664 INFO L276 IsEmpty]: Start isEmpty. Operand 6103 states and 12193 transitions. [2022-11-26 00:06:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:15,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:15,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:15,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-11-26 00:06:15,667 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:15,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:15,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1954254096, now seen corresponding path program 3 times [2022-11-26 00:06:15,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:15,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693022255] [2022-11-26 00:06:15,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:15,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:16,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:16,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693022255] [2022-11-26 00:06:16,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693022255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:16,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:16,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:06:16,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493179736] [2022-11-26 00:06:16,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:16,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:06:16,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:16,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:06:16,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:06:16,365 INFO L87 Difference]: Start difference. First operand 6103 states and 12193 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:20,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:20,120 INFO L93 Difference]: Finished difference Result 12750 states and 25334 transitions. [2022-11-26 00:06:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-26 00:06:20,123 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:20,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:20,144 INFO L225 Difference]: With dead ends: 12750 [2022-11-26 00:06:20,144 INFO L226 Difference]: Without dead ends: 12750 [2022-11-26 00:06:20,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=367, Invalid=965, Unknown=0, NotChecked=0, Total=1332 [2022-11-26 00:06:20,145 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 741 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 2610 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 2744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:20,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 652 Invalid, 2744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2610 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:06:20,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12750 states. [2022-11-26 00:06:20,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12750 to 6055. [2022-11-26 00:06:20,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6055 states, 5985 states have (on average 2.020551378446115) internal successors, (12093), 6054 states have internal predecessors, (12093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6055 states to 6055 states and 12093 transitions. [2022-11-26 00:06:20,307 INFO L78 Accepts]: Start accepts. Automaton has 6055 states and 12093 transitions. Word has length 30 [2022-11-26 00:06:20,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:20,308 INFO L495 AbstractCegarLoop]: Abstraction has 6055 states and 12093 transitions. [2022-11-26 00:06:20,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 6055 states and 12093 transitions. [2022-11-26 00:06:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:20,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:20,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:20,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-11-26 00:06:20,310 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:20,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:20,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1943478934, now seen corresponding path program 4 times [2022-11-26 00:06:20,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:20,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721978367] [2022-11-26 00:06:20,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:20,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:20,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:20,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721978367] [2022-11-26 00:06:20,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721978367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:20,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:20,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:06:20,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359973811] [2022-11-26 00:06:20,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:20,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:06:20,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:20,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:06:20,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:06:20,996 INFO L87 Difference]: Start difference. First operand 6055 states and 12093 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:24,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:24,692 INFO L93 Difference]: Finished difference Result 13846 states and 27529 transitions. [2022-11-26 00:06:24,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-26 00:06:24,692 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:24,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:24,716 INFO L225 Difference]: With dead ends: 13846 [2022-11-26 00:06:24,716 INFO L226 Difference]: Without dead ends: 13846 [2022-11-26 00:06:24,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2022-11-26 00:06:24,716 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 1072 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 2834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:24,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 897 Invalid, 2834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:06:24,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13846 states. [2022-11-26 00:06:24,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13846 to 6131. [2022-11-26 00:06:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6131 states, 6061 states have (on average 2.020293680910741) internal successors, (12245), 6130 states have internal predecessors, (12245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6131 states to 6131 states and 12245 transitions. [2022-11-26 00:06:24,846 INFO L78 Accepts]: Start accepts. Automaton has 6131 states and 12245 transitions. Word has length 30 [2022-11-26 00:06:24,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:24,847 INFO L495 AbstractCegarLoop]: Abstraction has 6131 states and 12245 transitions. [2022-11-26 00:06:24,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 6131 states and 12245 transitions. [2022-11-26 00:06:24,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:24,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:24,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:24,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-11-26 00:06:24,849 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:24,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:24,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1520906039, now seen corresponding path program 2 times [2022-11-26 00:06:24,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:24,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584041237] [2022-11-26 00:06:24,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:24,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:25,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:25,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584041237] [2022-11-26 00:06:25,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584041237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:25,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:25,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:06:25,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074683048] [2022-11-26 00:06:25,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:25,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:06:25,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:25,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:06:25,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:06:25,210 INFO L87 Difference]: Start difference. First operand 6131 states and 12245 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:28,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:28,708 INFO L93 Difference]: Finished difference Result 13788 states and 27413 transitions. [2022-11-26 00:06:28,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-26 00:06:28,709 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:28,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:28,733 INFO L225 Difference]: With dead ends: 13788 [2022-11-26 00:06:28,733 INFO L226 Difference]: Without dead ends: 13788 [2022-11-26 00:06:28,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=246, Invalid=566, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:06:28,734 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 984 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 2897 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 2943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:28,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 912 Invalid, 2943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2897 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-26 00:06:28,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13788 states. [2022-11-26 00:06:28,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13788 to 6224. [2022-11-26 00:06:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6224 states, 6154 states have (on average 2.020636984075398) internal successors, (12435), 6223 states have internal predecessors, (12435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6224 states to 6224 states and 12435 transitions. [2022-11-26 00:06:28,869 INFO L78 Accepts]: Start accepts. Automaton has 6224 states and 12435 transitions. Word has length 30 [2022-11-26 00:06:28,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:28,869 INFO L495 AbstractCegarLoop]: Abstraction has 6224 states and 12435 transitions. [2022-11-26 00:06:28,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 6224 states and 12435 transitions. [2022-11-26 00:06:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:28,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:28,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:28,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-11-26 00:06:28,871 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:28,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:28,872 INFO L85 PathProgramCache]: Analyzing trace with hash -318970127, now seen corresponding path program 26 times [2022-11-26 00:06:28,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:28,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337203317] [2022-11-26 00:06:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:28,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:29,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:29,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337203317] [2022-11-26 00:06:29,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337203317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:29,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:29,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:06:29,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101181405] [2022-11-26 00:06:29,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:29,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:06:29,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:29,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:06:29,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:06:29,678 INFO L87 Difference]: Start difference. First operand 6224 states and 12435 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:32,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:32,565 INFO L93 Difference]: Finished difference Result 13706 states and 27249 transitions. [2022-11-26 00:06:32,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:06:32,565 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:32,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:32,588 INFO L225 Difference]: With dead ends: 13706 [2022-11-26 00:06:32,589 INFO L226 Difference]: Without dead ends: 13706 [2022-11-26 00:06:32,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:06:32,589 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 614 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 1923 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:32,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 573 Invalid, 1932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1923 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:06:32,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13706 states. [2022-11-26 00:06:32,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13706 to 6257. [2022-11-26 00:06:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6257 states, 6187 states have (on average 2.0208501697106835) internal successors, (12503), 6256 states have internal predecessors, (12503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6257 states to 6257 states and 12503 transitions. [2022-11-26 00:06:32,724 INFO L78 Accepts]: Start accepts. Automaton has 6257 states and 12503 transitions. Word has length 30 [2022-11-26 00:06:32,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:32,724 INFO L495 AbstractCegarLoop]: Abstraction has 6257 states and 12503 transitions. [2022-11-26 00:06:32,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 12503 transitions. [2022-11-26 00:06:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:32,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:32,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:32,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-11-26 00:06:32,726 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:32,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:32,727 INFO L85 PathProgramCache]: Analyzing trace with hash -318895727, now seen corresponding path program 27 times [2022-11-26 00:06:32,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:32,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646111895] [2022-11-26 00:06:32,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:32,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:33,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:33,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646111895] [2022-11-26 00:06:33,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646111895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:33,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:33,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:06:33,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131326408] [2022-11-26 00:06:33,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:33,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:06:33,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:33,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:06:33,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:06:33,761 INFO L87 Difference]: Start difference. First operand 6257 states and 12503 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:36,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:36,539 INFO L93 Difference]: Finished difference Result 13696 states and 27229 transitions. [2022-11-26 00:06:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:06:36,540 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:36,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:36,563 INFO L225 Difference]: With dead ends: 13696 [2022-11-26 00:06:36,563 INFO L226 Difference]: Without dead ends: 13696 [2022-11-26 00:06:36,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:06:36,564 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 583 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:36,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 560 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1578 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:06:36,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13696 states. [2022-11-26 00:06:36,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13696 to 6259. [2022-11-26 00:06:36,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6259 states, 6189 states have (on average 2.020843431895298) internal successors, (12507), 6258 states have internal predecessors, (12507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6259 states to 6259 states and 12507 transitions. [2022-11-26 00:06:36,699 INFO L78 Accepts]: Start accepts. Automaton has 6259 states and 12507 transitions. Word has length 30 [2022-11-26 00:06:36,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:36,699 INFO L495 AbstractCegarLoop]: Abstraction has 6259 states and 12507 transitions. [2022-11-26 00:06:36,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 6259 states and 12507 transitions. [2022-11-26 00:06:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:36,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:36,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:36,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-11-26 00:06:36,701 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:36,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:36,701 INFO L85 PathProgramCache]: Analyzing trace with hash 792726704, now seen corresponding path program 5 times [2022-11-26 00:06:36,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:36,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264881225] [2022-11-26 00:06:36,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:36,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:37,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:37,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264881225] [2022-11-26 00:06:37,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264881225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:37,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:37,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:06:37,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477924008] [2022-11-26 00:06:37,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:37,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:06:37,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:37,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:06:37,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:06:37,598 INFO L87 Difference]: Start difference. First operand 6259 states and 12507 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:41,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:41,314 INFO L93 Difference]: Finished difference Result 10173 states and 20236 transitions. [2022-11-26 00:06:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-26 00:06:41,315 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:41,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:41,329 INFO L225 Difference]: With dead ends: 10173 [2022-11-26 00:06:41,329 INFO L226 Difference]: Without dead ends: 10173 [2022-11-26 00:06:41,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=373, Invalid=887, Unknown=0, NotChecked=0, Total=1260 [2022-11-26 00:06:41,330 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 672 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 2291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:41,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 709 Invalid, 2291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:06:41,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10173 states. [2022-11-26 00:06:41,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10173 to 6271. [2022-11-26 00:06:41,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6271 states, 6201 states have (on average 2.019835510401548) internal successors, (12525), 6270 states have internal predecessors, (12525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6271 states to 6271 states and 12525 transitions. [2022-11-26 00:06:41,453 INFO L78 Accepts]: Start accepts. Automaton has 6271 states and 12525 transitions. Word has length 30 [2022-11-26 00:06:41,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:41,454 INFO L495 AbstractCegarLoop]: Abstraction has 6271 states and 12525 transitions. [2022-11-26 00:06:41,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:41,454 INFO L276 IsEmpty]: Start isEmpty. Operand 6271 states and 12525 transitions. [2022-11-26 00:06:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:41,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:41,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:41,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-11-26 00:06:41,456 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:41,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:41,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1206052801, now seen corresponding path program 28 times [2022-11-26 00:06:41,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:41,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536025631] [2022-11-26 00:06:41,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:41,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:42,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:42,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536025631] [2022-11-26 00:06:42,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536025631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:42,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:42,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:06:42,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266013400] [2022-11-26 00:06:42,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:42,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:06:42,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:42,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:06:42,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:06:42,371 INFO L87 Difference]: Start difference. First operand 6271 states and 12525 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:44,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:44,990 INFO L93 Difference]: Finished difference Result 10083 states and 20060 transitions. [2022-11-26 00:06:44,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:06:44,990 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:44,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:45,004 INFO L225 Difference]: With dead ends: 10083 [2022-11-26 00:06:45,004 INFO L226 Difference]: Without dead ends: 10083 [2022-11-26 00:06:45,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:06:45,004 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 502 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:45,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 568 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:06:45,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10083 states. [2022-11-26 00:06:45,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10083 to 6270. [2022-11-26 00:06:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6270 states, 6200 states have (on average 2.0198387096774195) internal successors, (12523), 6269 states have internal predecessors, (12523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6270 states to 6270 states and 12523 transitions. [2022-11-26 00:06:45,112 INFO L78 Accepts]: Start accepts. Automaton has 6270 states and 12523 transitions. Word has length 30 [2022-11-26 00:06:45,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:45,113 INFO L495 AbstractCegarLoop]: Abstraction has 6270 states and 12523 transitions. [2022-11-26 00:06:45,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:45,113 INFO L276 IsEmpty]: Start isEmpty. Operand 6270 states and 12523 transitions. [2022-11-26 00:06:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:45,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:45,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:45,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-11-26 00:06:45,115 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:45,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:45,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1349943331, now seen corresponding path program 29 times [2022-11-26 00:06:45,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:45,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528891932] [2022-11-26 00:06:45,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:45,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:45,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:45,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528891932] [2022-11-26 00:06:45,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528891932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:45,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:45,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:06:45,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115582559] [2022-11-26 00:06:45,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:45,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:06:45,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:45,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:06:45,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:06:45,866 INFO L87 Difference]: Start difference. First operand 6270 states and 12523 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:49,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:49,231 INFO L93 Difference]: Finished difference Result 10104 states and 20102 transitions. [2022-11-26 00:06:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:06:49,232 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:49,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:49,247 INFO L225 Difference]: With dead ends: 10104 [2022-11-26 00:06:49,247 INFO L226 Difference]: Without dead ends: 10104 [2022-11-26 00:06:49,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:06:49,248 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 595 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 2560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:49,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 581 Invalid, 2560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:06:49,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10104 states. [2022-11-26 00:06:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10104 to 6269. [2022-11-26 00:06:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6269 states, 6199 states have (on average 2.0198419099854816) internal successors, (12521), 6268 states have internal predecessors, (12521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6269 states to 6269 states and 12521 transitions. [2022-11-26 00:06:49,399 INFO L78 Accepts]: Start accepts. Automaton has 6269 states and 12521 transitions. Word has length 30 [2022-11-26 00:06:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:49,399 INFO L495 AbstractCegarLoop]: Abstraction has 6269 states and 12521 transitions. [2022-11-26 00:06:49,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 6269 states and 12521 transitions. [2022-11-26 00:06:49,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:49,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:49,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:49,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-11-26 00:06:49,403 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:49,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:49,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1543288095, now seen corresponding path program 30 times [2022-11-26 00:06:49,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:49,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276622522] [2022-11-26 00:06:49,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:49,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:49,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:49,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:49,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276622522] [2022-11-26 00:06:49,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276622522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:49,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:49,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:06:49,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368453265] [2022-11-26 00:06:49,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:49,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:06:49,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:49,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:06:49,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:06:49,963 INFO L87 Difference]: Start difference. First operand 6269 states and 12521 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:52,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:52,470 INFO L93 Difference]: Finished difference Result 10094 states and 20082 transitions. [2022-11-26 00:06:52,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:06:52,471 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:52,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:52,499 INFO L225 Difference]: With dead ends: 10094 [2022-11-26 00:06:52,499 INFO L226 Difference]: Without dead ends: 10094 [2022-11-26 00:06:52,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:06:52,500 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 354 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1841 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:52,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 439 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1841 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:06:52,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10094 states. [2022-11-26 00:06:52,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10094 to 6266. [2022-11-26 00:06:52,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6266 states, 6196 states have (on average 2.0198515171078113) internal successors, (12515), 6265 states have internal predecessors, (12515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:52,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6266 states to 6266 states and 12515 transitions. [2022-11-26 00:06:52,620 INFO L78 Accepts]: Start accepts. Automaton has 6266 states and 12515 transitions. Word has length 30 [2022-11-26 00:06:52,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:52,620 INFO L495 AbstractCegarLoop]: Abstraction has 6266 states and 12515 transitions. [2022-11-26 00:06:52,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 6266 states and 12515 transitions. [2022-11-26 00:06:52,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:52,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:52,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:52,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-11-26 00:06:52,623 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:52,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:52,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1543362495, now seen corresponding path program 31 times [2022-11-26 00:06:52,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:52,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985548538] [2022-11-26 00:06:52,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:52,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:53,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:53,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985548538] [2022-11-26 00:06:53,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985548538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:53,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:53,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:06:53,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662843480] [2022-11-26 00:06:53,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:53,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:06:53,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:53,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:06:53,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:06:53,308 INFO L87 Difference]: Start difference. First operand 6266 states and 12515 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:55,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:55,148 INFO L93 Difference]: Finished difference Result 10093 states and 20080 transitions. [2022-11-26 00:06:55,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:06:55,149 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:55,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:55,171 INFO L225 Difference]: With dead ends: 10093 [2022-11-26 00:06:55,171 INFO L226 Difference]: Without dead ends: 10093 [2022-11-26 00:06:55,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:06:55,172 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 350 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:55,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 389 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:06:55,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10093 states. [2022-11-26 00:06:55,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10093 to 6263. [2022-11-26 00:06:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6263 states, 6193 states have (on average 2.0198611335378653) internal successors, (12509), 6262 states have internal predecessors, (12509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6263 states to 6263 states and 12509 transitions. [2022-11-26 00:06:55,332 INFO L78 Accepts]: Start accepts. Automaton has 6263 states and 12509 transitions. Word has length 30 [2022-11-26 00:06:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:55,333 INFO L495 AbstractCegarLoop]: Abstraction has 6263 states and 12509 transitions. [2022-11-26 00:06:55,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 6263 states and 12509 transitions. [2022-11-26 00:06:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:55,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:55,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:55,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-11-26 00:06:55,336 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:55,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:55,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2023269758, now seen corresponding path program 6 times [2022-11-26 00:06:55,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:55,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373703667] [2022-11-26 00:06:55,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:55,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:56,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:56,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:56,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373703667] [2022-11-26 00:06:56,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373703667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:56,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:56,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:06:56,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940037971] [2022-11-26 00:06:56,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:56,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:06:56,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:56,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:06:56,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:06:56,005 INFO L87 Difference]: Start difference. First operand 6263 states and 12509 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:58,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:58,939 INFO L93 Difference]: Finished difference Result 10318 states and 20535 transitions. [2022-11-26 00:06:58,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-26 00:06:58,939 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:06:58,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:58,965 INFO L225 Difference]: With dead ends: 10318 [2022-11-26 00:06:58,966 INFO L226 Difference]: Without dead ends: 10318 [2022-11-26 00:06:58,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=280, Invalid=650, Unknown=0, NotChecked=0, Total=930 [2022-11-26 00:06:58,966 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 857 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 1955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:58,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 768 Invalid, 1955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:06:58,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10318 states. [2022-11-26 00:06:59,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10318 to 6306. [2022-11-26 00:06:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6306 states, 6236 states have (on average 2.0202052597819113) internal successors, (12598), 6305 states have internal predecessors, (12598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:59,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6306 states to 6306 states and 12598 transitions. [2022-11-26 00:06:59,124 INFO L78 Accepts]: Start accepts. Automaton has 6306 states and 12598 transitions. Word has length 30 [2022-11-26 00:06:59,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:59,124 INFO L495 AbstractCegarLoop]: Abstraction has 6306 states and 12598 transitions. [2022-11-26 00:06:59,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 6306 states and 12598 transitions. [2022-11-26 00:06:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:06:59,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:59,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:59,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-11-26 00:06:59,127 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:06:59,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:59,128 INFO L85 PathProgramCache]: Analyzing trace with hash -198145370, now seen corresponding path program 7 times [2022-11-26 00:06:59,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:59,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473205609] [2022-11-26 00:06:59,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:59,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:00,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:00,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473205609] [2022-11-26 00:07:00,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473205609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:00,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:00,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:07:00,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907492097] [2022-11-26 00:07:00,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:00,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:07:00,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:00,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:07:00,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:07:00,812 INFO L87 Difference]: Start difference. First operand 6306 states and 12598 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:04,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:04,810 INFO L93 Difference]: Finished difference Result 10293 states and 20489 transitions. [2022-11-26 00:07:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-26 00:07:04,810 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:04,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:04,831 INFO L225 Difference]: With dead ends: 10293 [2022-11-26 00:07:04,831 INFO L226 Difference]: Without dead ends: 10293 [2022-11-26 00:07:04,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=308, Invalid=748, Unknown=0, NotChecked=0, Total=1056 [2022-11-26 00:07:04,832 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 943 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 2267 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:04,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 752 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2267 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:07:04,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10293 states. [2022-11-26 00:07:04,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10293 to 6307. [2022-11-26 00:07:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6307 states, 6237 states have (on average 2.0202020202020203) internal successors, (12600), 6306 states have internal predecessors, (12600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:04,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6307 states to 6307 states and 12600 transitions. [2022-11-26 00:07:04,998 INFO L78 Accepts]: Start accepts. Automaton has 6307 states and 12600 transitions. Word has length 30 [2022-11-26 00:07:04,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:04,999 INFO L495 AbstractCegarLoop]: Abstraction has 6307 states and 12600 transitions. [2022-11-26 00:07:04,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:04,999 INFO L276 IsEmpty]: Start isEmpty. Operand 6307 states and 12600 transitions. [2022-11-26 00:07:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:05,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:05,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:05,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-11-26 00:07:05,002 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:05,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:05,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1402991512, now seen corresponding path program 8 times [2022-11-26 00:07:05,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:05,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278547865] [2022-11-26 00:07:05,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:05,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:06,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:06,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278547865] [2022-11-26 00:07:06,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278547865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:06,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:06,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:07:06,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830982498] [2022-11-26 00:07:06,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:06,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:07:06,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:06,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:07:06,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:07:06,187 INFO L87 Difference]: Start difference. First operand 6307 states and 12600 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:09,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:09,813 INFO L93 Difference]: Finished difference Result 10292 states and 20487 transitions. [2022-11-26 00:07:09,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-26 00:07:09,814 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:09,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:09,829 INFO L225 Difference]: With dead ends: 10292 [2022-11-26 00:07:09,829 INFO L226 Difference]: Without dead ends: 10292 [2022-11-26 00:07:09,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=306, Invalid=750, Unknown=0, NotChecked=0, Total=1056 [2022-11-26 00:07:09,830 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 816 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 2391 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 2449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:09,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 845 Invalid, 2449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2391 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:07:09,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10292 states. [2022-11-26 00:07:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10292 to 6311. [2022-11-26 00:07:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6311 states, 6241 states have (on average 2.0201890722640603) internal successors, (12608), 6310 states have internal predecessors, (12608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 12608 transitions. [2022-11-26 00:07:09,947 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 12608 transitions. Word has length 30 [2022-11-26 00:07:09,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:09,947 INFO L495 AbstractCegarLoop]: Abstraction has 6311 states and 12608 transitions. [2022-11-26 00:07:09,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 12608 transitions. [2022-11-26 00:07:09,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:09,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:09,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:09,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-11-26 00:07:09,949 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:09,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:09,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2115296238, now seen corresponding path program 9 times [2022-11-26 00:07:09,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:09,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114054322] [2022-11-26 00:07:09,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:09,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:11,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:11,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114054322] [2022-11-26 00:07:11,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114054322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:11,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:11,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-26 00:07:11,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329103311] [2022-11-26 00:07:11,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:11,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-26 00:07:11,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:11,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-26 00:07:11,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:07:11,750 INFO L87 Difference]: Start difference. First operand 6311 states and 12608 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:17,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:17,470 INFO L93 Difference]: Finished difference Result 10278 states and 20459 transitions. [2022-11-26 00:07:17,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-26 00:07:17,471 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:17,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:17,487 INFO L225 Difference]: With dead ends: 10278 [2022-11-26 00:07:17,487 INFO L226 Difference]: Without dead ends: 10278 [2022-11-26 00:07:17,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2022-11-26 00:07:17,488 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 935 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 3394 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 3462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 3394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:17,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [935 Valid, 826 Invalid, 3462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 3394 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-26 00:07:17,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10278 states. [2022-11-26 00:07:17,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10278 to 6309. [2022-11-26 00:07:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6309 states, 6239 states have (on average 2.0201955441577177) internal successors, (12604), 6308 states have internal predecessors, (12604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6309 states to 6309 states and 12604 transitions. [2022-11-26 00:07:17,605 INFO L78 Accepts]: Start accepts. Automaton has 6309 states and 12604 transitions. Word has length 30 [2022-11-26 00:07:17,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:17,605 INFO L495 AbstractCegarLoop]: Abstraction has 6309 states and 12604 transitions. [2022-11-26 00:07:17,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 6309 states and 12604 transitions. [2022-11-26 00:07:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:17,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:17,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:17,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-11-26 00:07:17,607 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:17,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:17,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1600696863, now seen corresponding path program 3 times [2022-11-26 00:07:17,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:17,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86072288] [2022-11-26 00:07:17,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:17,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:18,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:18,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86072288] [2022-11-26 00:07:18,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86072288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:18,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:18,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:07:18,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478450388] [2022-11-26 00:07:18,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:18,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:07:18,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:18,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:07:18,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:07:18,042 INFO L87 Difference]: Start difference. First operand 6309 states and 12604 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:21,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:21,964 INFO L93 Difference]: Finished difference Result 10124 states and 20147 transitions. [2022-11-26 00:07:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:07:21,964 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:21,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:21,979 INFO L225 Difference]: With dead ends: 10124 [2022-11-26 00:07:21,979 INFO L226 Difference]: Without dead ends: 10124 [2022-11-26 00:07:21,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=372, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:07:21,980 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 760 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 3175 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 3217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 3175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:21,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 911 Invalid, 3217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 3175 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:07:21,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10124 states. [2022-11-26 00:07:22,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10124 to 6272. [2022-11-26 00:07:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6272 states, 6202 states have (on average 2.0169300225733635) internal successors, (12509), 6271 states have internal predecessors, (12509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6272 states to 6272 states and 12509 transitions. [2022-11-26 00:07:22,094 INFO L78 Accepts]: Start accepts. Automaton has 6272 states and 12509 transitions. Word has length 30 [2022-11-26 00:07:22,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:22,094 INFO L495 AbstractCegarLoop]: Abstraction has 6272 states and 12509 transitions. [2022-11-26 00:07:22,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 6272 states and 12509 transitions. [2022-11-26 00:07:22,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:22,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:22,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:22,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-11-26 00:07:22,097 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:22,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:22,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1035645184, now seen corresponding path program 10 times [2022-11-26 00:07:22,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:22,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14913186] [2022-11-26 00:07:22,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:22,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:22,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:22,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14913186] [2022-11-26 00:07:22,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14913186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:22,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:22,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:07:22,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508799355] [2022-11-26 00:07:22,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:22,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:07:22,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:22,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:07:22,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:07:22,806 INFO L87 Difference]: Start difference. First operand 6272 states and 12509 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:26,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:26,444 INFO L93 Difference]: Finished difference Result 9975 states and 19849 transitions. [2022-11-26 00:07:26,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-26 00:07:26,444 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:26,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:26,458 INFO L225 Difference]: With dead ends: 9975 [2022-11-26 00:07:26,458 INFO L226 Difference]: Without dead ends: 9975 [2022-11-26 00:07:26,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=237, Invalid=575, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:07:26,459 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 826 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:26,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 864 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 2352 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:07:26,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9975 states. [2022-11-26 00:07:26,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9975 to 6203. [2022-11-26 00:07:26,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6203 states, 6133 states have (on average 2.0156530246209035) internal successors, (12362), 6202 states have internal predecessors, (12362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6203 states to 6203 states and 12362 transitions. [2022-11-26 00:07:26,568 INFO L78 Accepts]: Start accepts. Automaton has 6203 states and 12362 transitions. Word has length 30 [2022-11-26 00:07:26,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:26,568 INFO L495 AbstractCegarLoop]: Abstraction has 6203 states and 12362 transitions. [2022-11-26 00:07:26,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 6203 states and 12362 transitions. [2022-11-26 00:07:26,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:26,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:26,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:26,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-11-26 00:07:26,570 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:26,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:26,571 INFO L85 PathProgramCache]: Analyzing trace with hash -398760951, now seen corresponding path program 32 times [2022-11-26 00:07:26,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:26,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692747479] [2022-11-26 00:07:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:26,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:27,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:27,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692747479] [2022-11-26 00:07:27,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692747479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:27,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:27,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:07:27,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799693502] [2022-11-26 00:07:27,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:27,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:07:27,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:27,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:07:27,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:07:27,221 INFO L87 Difference]: Start difference. First operand 6203 states and 12362 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:29,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:29,715 INFO L93 Difference]: Finished difference Result 9889 states and 19677 transitions. [2022-11-26 00:07:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:07:29,716 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:29,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:29,732 INFO L225 Difference]: With dead ends: 9889 [2022-11-26 00:07:29,732 INFO L226 Difference]: Without dead ends: 9889 [2022-11-26 00:07:29,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:07:29,732 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 523 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 1655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:29,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 515 Invalid, 1655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1647 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:07:29,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9889 states. [2022-11-26 00:07:29,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9889 to 6200. [2022-11-26 00:07:29,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6200 states, 6130 states have (on average 2.0156606851549754) internal successors, (12356), 6199 states have internal predecessors, (12356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6200 states to 6200 states and 12356 transitions. [2022-11-26 00:07:29,844 INFO L78 Accepts]: Start accepts. Automaton has 6200 states and 12356 transitions. Word has length 30 [2022-11-26 00:07:29,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:29,845 INFO L495 AbstractCegarLoop]: Abstraction has 6200 states and 12356 transitions. [2022-11-26 00:07:29,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 6200 states and 12356 transitions. [2022-11-26 00:07:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:29,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:29,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:29,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-11-26 00:07:29,847 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:29,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:29,847 INFO L85 PathProgramCache]: Analyzing trace with hash -398686551, now seen corresponding path program 33 times [2022-11-26 00:07:29,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:29,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236278176] [2022-11-26 00:07:29,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:29,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:30,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:30,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236278176] [2022-11-26 00:07:30,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236278176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:30,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:30,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:07:30,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596172010] [2022-11-26 00:07:30,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:30,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:07:30,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:30,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:07:30,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:07:30,701 INFO L87 Difference]: Start difference. First operand 6200 states and 12356 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:33,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:33,615 INFO L93 Difference]: Finished difference Result 9879 states and 19657 transitions. [2022-11-26 00:07:33,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:07:33,616 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:33,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:33,631 INFO L225 Difference]: With dead ends: 9879 [2022-11-26 00:07:33,632 INFO L226 Difference]: Without dead ends: 9879 [2022-11-26 00:07:33,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:07:33,632 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 517 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 1729 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:33,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 532 Invalid, 1737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1729 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:07:33,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9879 states. [2022-11-26 00:07:33,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9879 to 6081. [2022-11-26 00:07:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6011 states have (on average 2.0159707203460324) internal successors, (12118), 6080 states have internal predecessors, (12118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:33,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 12118 transitions. [2022-11-26 00:07:33,740 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 12118 transitions. Word has length 30 [2022-11-26 00:07:33,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:33,741 INFO L495 AbstractCegarLoop]: Abstraction has 6081 states and 12118 transitions. [2022-11-26 00:07:33,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:33,741 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 12118 transitions. [2022-11-26 00:07:33,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:33,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:33,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:33,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-11-26 00:07:33,744 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:33,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:33,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2117577892, now seen corresponding path program 5 times [2022-11-26 00:07:33,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:33,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945293309] [2022-11-26 00:07:33,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:33,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:34,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:34,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945293309] [2022-11-26 00:07:34,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945293309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:34,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:34,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:07:34,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983017983] [2022-11-26 00:07:34,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:34,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:07:34,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:34,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:07:34,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:07:34,938 INFO L87 Difference]: Start difference. First operand 6081 states and 12118 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:36,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:36,415 INFO L93 Difference]: Finished difference Result 6439 states and 12830 transitions. [2022-11-26 00:07:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:07:36,416 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:36,425 INFO L225 Difference]: With dead ends: 6439 [2022-11-26 00:07:36,425 INFO L226 Difference]: Without dead ends: 6439 [2022-11-26 00:07:36,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:07:36,426 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 370 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:36,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 196 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:07:36,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6439 states. [2022-11-26 00:07:36,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6439 to 6120. [2022-11-26 00:07:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6120 states, 6050 states have (on average 2.0158677685950415) internal successors, (12196), 6119 states have internal predecessors, (12196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:36,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6120 states to 6120 states and 12196 transitions. [2022-11-26 00:07:36,512 INFO L78 Accepts]: Start accepts. Automaton has 6120 states and 12196 transitions. Word has length 30 [2022-11-26 00:07:36,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:36,513 INFO L495 AbstractCegarLoop]: Abstraction has 6120 states and 12196 transitions. [2022-11-26 00:07:36,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 6120 states and 12196 transitions. [2022-11-26 00:07:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:36,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:36,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:36,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-11-26 00:07:36,515 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:36,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:36,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2070819272, now seen corresponding path program 6 times [2022-11-26 00:07:36,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:36,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459468048] [2022-11-26 00:07:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:36,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:38,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:38,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459468048] [2022-11-26 00:07:38,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459468048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:38,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:38,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:07:38,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788096023] [2022-11-26 00:07:38,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:38,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:07:38,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:38,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:07:38,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:07:38,004 INFO L87 Difference]: Start difference. First operand 6120 states and 12196 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:40,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:40,039 INFO L93 Difference]: Finished difference Result 6545 states and 13039 transitions. [2022-11-26 00:07:40,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:07:40,039 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:40,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:40,049 INFO L225 Difference]: With dead ends: 6545 [2022-11-26 00:07:40,049 INFO L226 Difference]: Without dead ends: 6545 [2022-11-26 00:07:40,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:07:40,050 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 275 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:40,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 183 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:07:40,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6545 states. [2022-11-26 00:07:40,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6545 to 6148. [2022-11-26 00:07:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6148 states, 6078 states have (on average 2.0162882527147086) internal successors, (12255), 6147 states have internal predecessors, (12255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:40,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6148 states to 6148 states and 12255 transitions. [2022-11-26 00:07:40,140 INFO L78 Accepts]: Start accepts. Automaton has 6148 states and 12255 transitions. Word has length 30 [2022-11-26 00:07:40,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:40,141 INFO L495 AbstractCegarLoop]: Abstraction has 6148 states and 12255 transitions. [2022-11-26 00:07:40,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 6148 states and 12255 transitions. [2022-11-26 00:07:40,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:40,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:40,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:40,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-11-26 00:07:40,143 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:40,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:40,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2124050264, now seen corresponding path program 7 times [2022-11-26 00:07:40,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:40,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567877735] [2022-11-26 00:07:40,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:40,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:41,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:41,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567877735] [2022-11-26 00:07:41,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567877735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:41,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:41,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:07:41,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238440166] [2022-11-26 00:07:41,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:41,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:07:41,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:41,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:07:41,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:07:41,143 INFO L87 Difference]: Start difference. First operand 6148 states and 12255 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:43,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:43,130 INFO L93 Difference]: Finished difference Result 6532 states and 13015 transitions. [2022-11-26 00:07:43,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:07:43,131 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:43,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:43,140 INFO L225 Difference]: With dead ends: 6532 [2022-11-26 00:07:43,140 INFO L226 Difference]: Without dead ends: 6532 [2022-11-26 00:07:43,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:07:43,140 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 357 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:43,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 230 Invalid, 1747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:07:43,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6532 states. [2022-11-26 00:07:43,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6532 to 6107. [2022-11-26 00:07:43,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6107 states, 6037 states have (on average 2.0159019380486995) internal successors, (12170), 6106 states have internal predecessors, (12170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 6107 states and 12170 transitions. [2022-11-26 00:07:43,224 INFO L78 Accepts]: Start accepts. Automaton has 6107 states and 12170 transitions. Word has length 30 [2022-11-26 00:07:43,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:43,225 INFO L495 AbstractCegarLoop]: Abstraction has 6107 states and 12170 transitions. [2022-11-26 00:07:43,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 6107 states and 12170 transitions. [2022-11-26 00:07:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:43,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:43,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:43,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-11-26 00:07:43,227 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:43,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:43,227 INFO L85 PathProgramCache]: Analyzing trace with hash 542458856, now seen corresponding path program 8 times [2022-11-26 00:07:43,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:43,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994106585] [2022-11-26 00:07:43,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:43,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:44,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:44,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994106585] [2022-11-26 00:07:44,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994106585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:44,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:44,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:07:44,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772085525] [2022-11-26 00:07:44,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:44,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:07:44,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:44,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:07:44,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:07:44,026 INFO L87 Difference]: Start difference. First operand 6107 states and 12170 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:46,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:46,442 INFO L93 Difference]: Finished difference Result 6542 states and 13028 transitions. [2022-11-26 00:07:46,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:07:46,443 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:46,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:46,452 INFO L225 Difference]: With dead ends: 6542 [2022-11-26 00:07:46,452 INFO L226 Difference]: Without dead ends: 6542 [2022-11-26 00:07:46,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:07:46,452 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 448 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:46,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 240 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:07:46,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6542 states. [2022-11-26 00:07:46,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6542 to 6094. [2022-11-26 00:07:46,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6094 states, 6024 states have (on average 2.0159362549800797) internal successors, (12144), 6093 states have internal predecessors, (12144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:46,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6094 states to 6094 states and 12144 transitions. [2022-11-26 00:07:46,532 INFO L78 Accepts]: Start accepts. Automaton has 6094 states and 12144 transitions. Word has length 30 [2022-11-26 00:07:46,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:46,532 INFO L495 AbstractCegarLoop]: Abstraction has 6094 states and 12144 transitions. [2022-11-26 00:07:46,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:46,533 INFO L276 IsEmpty]: Start isEmpty. Operand 6094 states and 12144 transitions. [2022-11-26 00:07:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:46,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:46,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:46,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-11-26 00:07:46,534 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:46,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:46,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1306387768, now seen corresponding path program 9 times [2022-11-26 00:07:46,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:46,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670826508] [2022-11-26 00:07:46,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:46,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:47,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:47,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670826508] [2022-11-26 00:07:47,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670826508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:47,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:47,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:07:47,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406065704] [2022-11-26 00:07:47,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:47,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:07:47,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:47,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:07:47,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:07:47,329 INFO L87 Difference]: Start difference. First operand 6094 states and 12144 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:50,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:50,302 INFO L93 Difference]: Finished difference Result 6563 states and 13069 transitions. [2022-11-26 00:07:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:07:50,303 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:50,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:50,311 INFO L225 Difference]: With dead ends: 6563 [2022-11-26 00:07:50,311 INFO L226 Difference]: Without dead ends: 6563 [2022-11-26 00:07:50,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:07:50,312 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 459 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 2680 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 2843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 2680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:50,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 259 Invalid, 2843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 2680 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:07:50,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6563 states. [2022-11-26 00:07:50,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6563 to 6115. [2022-11-26 00:07:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6115 states, 6045 states have (on average 2.016046319272126) internal successors, (12187), 6114 states have internal predecessors, (12187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6115 states to 6115 states and 12187 transitions. [2022-11-26 00:07:50,390 INFO L78 Accepts]: Start accepts. Automaton has 6115 states and 12187 transitions. Word has length 30 [2022-11-26 00:07:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:50,390 INFO L495 AbstractCegarLoop]: Abstraction has 6115 states and 12187 transitions. [2022-11-26 00:07:50,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 6115 states and 12187 transitions. [2022-11-26 00:07:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:50,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:50,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:50,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-11-26 00:07:50,392 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:50,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:50,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1747363984, now seen corresponding path program 10 times [2022-11-26 00:07:50,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:50,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178865508] [2022-11-26 00:07:50,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:50,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:51,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:51,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:51,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178865508] [2022-11-26 00:07:51,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178865508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:51,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:51,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:07:51,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076698001] [2022-11-26 00:07:51,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:51,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:07:51,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:51,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:07:51,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:07:51,400 INFO L87 Difference]: Start difference. First operand 6115 states and 12187 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:53,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:53,265 INFO L93 Difference]: Finished difference Result 10744 states and 21347 transitions. [2022-11-26 00:07:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:07:53,266 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:53,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:53,281 INFO L225 Difference]: With dead ends: 10744 [2022-11-26 00:07:53,282 INFO L226 Difference]: Without dead ends: 10744 [2022-11-26 00:07:53,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:07:53,282 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 664 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:53,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 228 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:07:53,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10744 states. [2022-11-26 00:07:53,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10744 to 6039. [2022-11-26 00:07:53,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6039 states, 5969 states have (on average 2.0152454347461886) internal successors, (12029), 6038 states have internal predecessors, (12029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:53,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6039 states to 6039 states and 12029 transitions. [2022-11-26 00:07:53,417 INFO L78 Accepts]: Start accepts. Automaton has 6039 states and 12029 transitions. Word has length 30 [2022-11-26 00:07:53,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:53,417 INFO L495 AbstractCegarLoop]: Abstraction has 6039 states and 12029 transitions. [2022-11-26 00:07:53,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:53,417 INFO L276 IsEmpty]: Start isEmpty. Operand 6039 states and 12029 transitions. [2022-11-26 00:07:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:53,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:53,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:53,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-11-26 00:07:53,419 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:53,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:53,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1794122604, now seen corresponding path program 11 times [2022-11-26 00:07:53,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:53,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878555144] [2022-11-26 00:07:53,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:53,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:54,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:54,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878555144] [2022-11-26 00:07:54,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878555144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:54,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:54,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:07:54,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029644342] [2022-11-26 00:07:54,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:54,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:07:54,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:54,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:07:54,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:07:54,850 INFO L87 Difference]: Start difference. First operand 6039 states and 12029 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:58,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:58,158 INFO L93 Difference]: Finished difference Result 10906 states and 21650 transitions. [2022-11-26 00:07:58,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:07:58,158 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:07:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:58,174 INFO L225 Difference]: With dead ends: 10906 [2022-11-26 00:07:58,174 INFO L226 Difference]: Without dead ends: 10906 [2022-11-26 00:07:58,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:07:58,174 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 801 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 2569 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 2726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:58,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 254 Invalid, 2726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2569 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:07:58,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2022-11-26 00:07:58,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 6067. [2022-11-26 00:07:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6067 states, 5997 states have (on average 2.015674503918626) internal successors, (12088), 6066 states have internal predecessors, (12088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6067 states to 6067 states and 12088 transitions. [2022-11-26 00:07:58,284 INFO L78 Accepts]: Start accepts. Automaton has 6067 states and 12088 transitions. Word has length 30 [2022-11-26 00:07:58,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:58,284 INFO L495 AbstractCegarLoop]: Abstraction has 6067 states and 12088 transitions. [2022-11-26 00:07:58,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:58,284 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 12088 transitions. [2022-11-26 00:07:58,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:07:58,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:58,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:58,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-11-26 00:07:58,286 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:07:58,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:58,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1694024844, now seen corresponding path program 12 times [2022-11-26 00:07:58,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:58,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575808831] [2022-11-26 00:07:58,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:58,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:59,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:59,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575808831] [2022-11-26 00:07:59,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575808831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:59,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:59,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:07:59,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533561330] [2022-11-26 00:07:59,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:59,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:07:59,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:59,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:07:59,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:07:59,254 INFO L87 Difference]: Start difference. First operand 6067 states and 12088 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:01,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:01,791 INFO L93 Difference]: Finished difference Result 10777 states and 21416 transitions. [2022-11-26 00:08:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:08:01,791 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:01,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:01,805 INFO L225 Difference]: With dead ends: 10777 [2022-11-26 00:08:01,805 INFO L226 Difference]: Without dead ends: 10777 [2022-11-26 00:08:01,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:08:01,806 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 701 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:01,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 255 Invalid, 2234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:08:01,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10777 states. [2022-11-26 00:08:01,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10777 to 6026. [2022-11-26 00:08:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6026 states, 5956 states have (on average 2.0152787105439893) internal successors, (12003), 6025 states have internal predecessors, (12003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6026 states to 6026 states and 12003 transitions. [2022-11-26 00:08:01,900 INFO L78 Accepts]: Start accepts. Automaton has 6026 states and 12003 transitions. Word has length 30 [2022-11-26 00:08:01,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:01,900 INFO L495 AbstractCegarLoop]: Abstraction has 6026 states and 12003 transitions. [2022-11-26 00:08:01,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6026 states and 12003 transitions. [2022-11-26 00:08:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:01,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:01,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:01,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-11-26 00:08:01,902 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:01,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:01,902 INFO L85 PathProgramCache]: Analyzing trace with hash 972484276, now seen corresponding path program 13 times [2022-11-26 00:08:01,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:01,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594155049] [2022-11-26 00:08:01,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:01,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:02,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:02,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594155049] [2022-11-26 00:08:02,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594155049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:02,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:02,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:08:02,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332991761] [2022-11-26 00:08:02,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:02,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:08:02,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:02,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:08:02,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:08:02,776 INFO L87 Difference]: Start difference. First operand 6026 states and 12003 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:04,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:04,848 INFO L93 Difference]: Finished difference Result 10851 states and 21561 transitions. [2022-11-26 00:08:04,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:08:04,848 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:04,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:04,864 INFO L225 Difference]: With dead ends: 10851 [2022-11-26 00:08:04,864 INFO L226 Difference]: Without dead ends: 10851 [2022-11-26 00:08:04,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:08:04,864 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 668 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:04,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 226 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:08:04,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10851 states. [2022-11-26 00:08:04,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10851 to 6013. [2022-11-26 00:08:04,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6013 states, 5943 states have (on average 2.015312131919906) internal successors, (11977), 6012 states have internal predecessors, (11977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:04,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6013 states to 6013 states and 11977 transitions. [2022-11-26 00:08:04,969 INFO L78 Accepts]: Start accepts. Automaton has 6013 states and 11977 transitions. Word has length 30 [2022-11-26 00:08:04,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:04,969 INFO L495 AbstractCegarLoop]: Abstraction has 6013 states and 11977 transitions. [2022-11-26 00:08:04,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 11977 transitions. [2022-11-26 00:08:04,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:04,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:04,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:04,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-11-26 00:08:04,971 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:04,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:04,972 INFO L85 PathProgramCache]: Analyzing trace with hash 163333424, now seen corresponding path program 14 times [2022-11-26 00:08:04,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:04,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46517278] [2022-11-26 00:08:04,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:04,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:05,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:05,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46517278] [2022-11-26 00:08:05,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46517278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:05,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:05,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:08:05,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293301712] [2022-11-26 00:08:05,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:05,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:08:05,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:05,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:08:05,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:08:05,628 INFO L87 Difference]: Start difference. First operand 6013 states and 11977 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:07,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:07,739 INFO L93 Difference]: Finished difference Result 10935 states and 21727 transitions. [2022-11-26 00:08:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:08:07,739 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:07,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:07,755 INFO L225 Difference]: With dead ends: 10935 [2022-11-26 00:08:07,755 INFO L226 Difference]: Without dead ends: 10935 [2022-11-26 00:08:07,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:08:07,756 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 734 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 1818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:07,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 220 Invalid, 1818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:08:07,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10935 states. [2022-11-26 00:08:07,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10935 to 6000. [2022-11-26 00:08:07,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6000 states, 5930 states have (on average 2.015345699831366) internal successors, (11951), 5999 states have internal predecessors, (11951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6000 states to 6000 states and 11951 transitions. [2022-11-26 00:08:07,902 INFO L78 Accepts]: Start accepts. Automaton has 6000 states and 11951 transitions. Word has length 30 [2022-11-26 00:08:07,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:07,902 INFO L495 AbstractCegarLoop]: Abstraction has 6000 states and 11951 transitions. [2022-11-26 00:08:07,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:07,903 INFO L276 IsEmpty]: Start isEmpty. Operand 6000 states and 11951 transitions. [2022-11-26 00:08:07,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:07,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:07,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:07,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-11-26 00:08:07,904 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:07,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:07,905 INFO L85 PathProgramCache]: Analyzing trace with hash -83724504, now seen corresponding path program 15 times [2022-11-26 00:08:07,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:07,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54513270] [2022-11-26 00:08:07,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:07,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:08,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:08,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54513270] [2022-11-26 00:08:08,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54513270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:08,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:08,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:08:08,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67733156] [2022-11-26 00:08:08,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:08,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:08:08,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:08,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:08:08,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:08:08,849 INFO L87 Difference]: Start difference. First operand 6000 states and 11951 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:10,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:10,926 INFO L93 Difference]: Finished difference Result 10989 states and 21833 transitions. [2022-11-26 00:08:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:08:10,926 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:10,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:10,943 INFO L225 Difference]: With dead ends: 10989 [2022-11-26 00:08:10,943 INFO L226 Difference]: Without dead ends: 10989 [2022-11-26 00:08:10,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:08:10,943 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 608 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 1763 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 1847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:10,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 332 Invalid, 1847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1763 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:08:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10989 states. [2022-11-26 00:08:11,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10989 to 6081. [2022-11-26 00:08:11,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6011 states have (on average 2.0158043586757612) internal successors, (12117), 6080 states have internal predecessors, (12117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 12117 transitions. [2022-11-26 00:08:11,095 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 12117 transitions. Word has length 30 [2022-11-26 00:08:11,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:11,095 INFO L495 AbstractCegarLoop]: Abstraction has 6081 states and 12117 transitions. [2022-11-26 00:08:11,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:11,095 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 12117 transitions. [2022-11-26 00:08:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:11,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:11,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:11,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-11-26 00:08:11,097 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:11,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:11,098 INFO L85 PathProgramCache]: Analyzing trace with hash 2002180136, now seen corresponding path program 16 times [2022-11-26 00:08:11,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:11,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961345952] [2022-11-26 00:08:11,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:11,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:12,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:12,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961345952] [2022-11-26 00:08:12,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961345952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:12,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:12,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:08:12,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106469618] [2022-11-26 00:08:12,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:12,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:08:12,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:12,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:08:12,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:08:12,533 INFO L87 Difference]: Start difference. First operand 6081 states and 12117 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:15,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:15,205 INFO L93 Difference]: Finished difference Result 10878 states and 21616 transitions. [2022-11-26 00:08:15,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:08:15,206 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:15,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:15,222 INFO L225 Difference]: With dead ends: 10878 [2022-11-26 00:08:15,222 INFO L226 Difference]: Without dead ends: 10878 [2022-11-26 00:08:15,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:08:15,223 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 960 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:15,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 300 Invalid, 1827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1748 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:08:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10878 states. [2022-11-26 00:08:15,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10878 to 6079. [2022-11-26 00:08:15,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6079 states, 6009 states have (on average 2.0158096189049757) internal successors, (12113), 6078 states have internal predecessors, (12113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:15,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6079 states to 6079 states and 12113 transitions. [2022-11-26 00:08:15,332 INFO L78 Accepts]: Start accepts. Automaton has 6079 states and 12113 transitions. Word has length 30 [2022-11-26 00:08:15,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:15,333 INFO L495 AbstractCegarLoop]: Abstraction has 6079 states and 12113 transitions. [2022-11-26 00:08:15,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:15,333 INFO L276 IsEmpty]: Start isEmpty. Operand 6079 states and 12113 transitions. [2022-11-26 00:08:15,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:15,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:15,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:15,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-11-26 00:08:15,335 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:15,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:15,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1621231362, now seen corresponding path program 17 times [2022-11-26 00:08:15,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:15,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336936275] [2022-11-26 00:08:15,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:15,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:15,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:15,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336936275] [2022-11-26 00:08:15,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336936275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:15,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:15,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:08:15,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323129869] [2022-11-26 00:08:15,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:15,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:08:15,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:15,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:08:15,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:08:15,850 INFO L87 Difference]: Start difference. First operand 6079 states and 12113 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:17,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:17,774 INFO L93 Difference]: Finished difference Result 10579 states and 21027 transitions. [2022-11-26 00:08:17,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:08:17,774 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:17,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:17,789 INFO L225 Difference]: With dead ends: 10579 [2022-11-26 00:08:17,790 INFO L226 Difference]: Without dead ends: 10579 [2022-11-26 00:08:17,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:08:17,790 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 710 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 1626 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:17,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 332 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1626 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:08:17,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10579 states. [2022-11-26 00:08:17,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10579 to 6021. [2022-11-26 00:08:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6021 states, 5951 states have (on average 2.0154595866240967) internal successors, (11994), 6020 states have internal predecessors, (11994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6021 states to 6021 states and 11994 transitions. [2022-11-26 00:08:17,938 INFO L78 Accepts]: Start accepts. Automaton has 6021 states and 11994 transitions. Word has length 30 [2022-11-26 00:08:17,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:17,938 INFO L495 AbstractCegarLoop]: Abstraction has 6021 states and 11994 transitions. [2022-11-26 00:08:17,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 6021 states and 11994 transitions. [2022-11-26 00:08:17,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:17,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:17,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:17,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-11-26 00:08:17,939 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:17,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:17,940 INFO L85 PathProgramCache]: Analyzing trace with hash 293148397, now seen corresponding path program 1 times [2022-11-26 00:08:17,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:17,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629758722] [2022-11-26 00:08:17,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:17,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:18,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:18,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629758722] [2022-11-26 00:08:18,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629758722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:18,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:18,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:08:18,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186725675] [2022-11-26 00:08:18,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:18,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:08:18,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:18,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:08:18,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:08:18,241 INFO L87 Difference]: Start difference. First operand 6021 states and 11994 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:20,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:20,383 INFO L93 Difference]: Finished difference Result 10359 states and 20588 transitions. [2022-11-26 00:08:20,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-26 00:08:20,383 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:20,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:20,398 INFO L225 Difference]: With dead ends: 10359 [2022-11-26 00:08:20,398 INFO L226 Difference]: Without dead ends: 10359 [2022-11-26 00:08:20,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:08:20,399 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 744 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 1889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:20,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 412 Invalid, 1889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1837 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:08:20,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10359 states. [2022-11-26 00:08:20,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10359 to 6086. [2022-11-26 00:08:20,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6086 states, 6016 states have (on average 2.014627659574468) internal successors, (12120), 6085 states have internal predecessors, (12120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:20,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6086 states to 6086 states and 12120 transitions. [2022-11-26 00:08:20,506 INFO L78 Accepts]: Start accepts. Automaton has 6086 states and 12120 transitions. Word has length 30 [2022-11-26 00:08:20,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:20,506 INFO L495 AbstractCegarLoop]: Abstraction has 6086 states and 12120 transitions. [2022-11-26 00:08:20,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:20,506 INFO L276 IsEmpty]: Start isEmpty. Operand 6086 states and 12120 transitions. [2022-11-26 00:08:20,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:20,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:20,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:20,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-11-26 00:08:20,508 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:20,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:20,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1695393934, now seen corresponding path program 11 times [2022-11-26 00:08:20,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:20,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683397906] [2022-11-26 00:08:20,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:20,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:21,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:21,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683397906] [2022-11-26 00:08:21,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683397906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:21,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:21,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:08:21,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372691320] [2022-11-26 00:08:21,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:21,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:08:21,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:21,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:08:21,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:08:21,474 INFO L87 Difference]: Start difference. First operand 6086 states and 12120 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:26,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:26,018 INFO L93 Difference]: Finished difference Result 8757 states and 17407 transitions. [2022-11-26 00:08:26,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-26 00:08:26,018 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:26,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:26,032 INFO L225 Difference]: With dead ends: 8757 [2022-11-26 00:08:26,032 INFO L226 Difference]: Without dead ends: 8757 [2022-11-26 00:08:26,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=341, Invalid=849, Unknown=0, NotChecked=0, Total=1190 [2022-11-26 00:08:26,032 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 517 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 3683 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 3866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 3683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:26,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 515 Invalid, 3866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 3683 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:08:26,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8757 states. [2022-11-26 00:08:26,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8757 to 6191. [2022-11-26 00:08:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6191 states, 6121 states have (on average 2.0143767358274793) internal successors, (12330), 6190 states have internal predecessors, (12330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6191 states to 6191 states and 12330 transitions. [2022-11-26 00:08:26,139 INFO L78 Accepts]: Start accepts. Automaton has 6191 states and 12330 transitions. Word has length 30 [2022-11-26 00:08:26,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:26,139 INFO L495 AbstractCegarLoop]: Abstraction has 6191 states and 12330 transitions. [2022-11-26 00:08:26,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 6191 states and 12330 transitions. [2022-11-26 00:08:26,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:26,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:26,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:26,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-11-26 00:08:26,142 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:26,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:26,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1629549125, now seen corresponding path program 10 times [2022-11-26 00:08:26,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:26,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258489266] [2022-11-26 00:08:26,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:26,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:26,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:26,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258489266] [2022-11-26 00:08:26,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258489266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:26,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:26,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:08:26,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493678237] [2022-11-26 00:08:26,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:26,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:08:26,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:26,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:08:26,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:08:26,947 INFO L87 Difference]: Start difference. First operand 6191 states and 12330 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:29,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:29,272 INFO L93 Difference]: Finished difference Result 10391 states and 20647 transitions. [2022-11-26 00:08:29,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:08:29,273 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:29,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:29,289 INFO L225 Difference]: With dead ends: 10391 [2022-11-26 00:08:29,290 INFO L226 Difference]: Without dead ends: 10391 [2022-11-26 00:08:29,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:08:29,290 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 460 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 1925 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:29,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 438 Invalid, 2009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1925 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:08:29,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10391 states. [2022-11-26 00:08:29,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10391 to 6352. [2022-11-26 00:08:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6352 states, 6282 states have (on average 2.017510347023241) internal successors, (12674), 6351 states have internal predecessors, (12674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6352 states to 6352 states and 12674 transitions. [2022-11-26 00:08:29,400 INFO L78 Accepts]: Start accepts. Automaton has 6352 states and 12674 transitions. Word has length 30 [2022-11-26 00:08:29,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:29,400 INFO L495 AbstractCegarLoop]: Abstraction has 6352 states and 12674 transitions. [2022-11-26 00:08:29,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 6352 states and 12674 transitions. [2022-11-26 00:08:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:29,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:29,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:29,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-11-26 00:08:29,402 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:29,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:29,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1948568465, now seen corresponding path program 34 times [2022-11-26 00:08:29,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:29,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836702863] [2022-11-26 00:08:29,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:29,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:29,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:29,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836702863] [2022-11-26 00:08:29,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836702863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:29,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:29,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:08:29,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794889524] [2022-11-26 00:08:29,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:29,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:08:29,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:29,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:08:29,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:08:29,987 INFO L87 Difference]: Start difference. First operand 6352 states and 12674 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:35,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:35,040 INFO L93 Difference]: Finished difference Result 10541 states and 20951 transitions. [2022-11-26 00:08:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-26 00:08:35,041 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:35,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:35,056 INFO L225 Difference]: With dead ends: 10541 [2022-11-26 00:08:35,056 INFO L226 Difference]: Without dead ends: 10541 [2022-11-26 00:08:35,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=258, Invalid=612, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:08:35,057 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 561 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 4592 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 4682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 4592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:35,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 712 Invalid, 4682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 4592 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-26 00:08:35,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10541 states. [2022-11-26 00:08:35,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10541 to 6350. [2022-11-26 00:08:35,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6350 states, 6280 states have (on average 2.017515923566879) internal successors, (12670), 6349 states have internal predecessors, (12670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6350 states to 6350 states and 12670 transitions. [2022-11-26 00:08:35,164 INFO L78 Accepts]: Start accepts. Automaton has 6350 states and 12670 transitions. Word has length 30 [2022-11-26 00:08:35,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:35,164 INFO L495 AbstractCegarLoop]: Abstraction has 6350 states and 12670 transitions. [2022-11-26 00:08:35,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 6350 states and 12670 transitions. [2022-11-26 00:08:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:35,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:35,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:35,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-11-26 00:08:35,166 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:35,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:35,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1770646445, now seen corresponding path program 35 times [2022-11-26 00:08:35,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:35,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389403926] [2022-11-26 00:08:35,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:35,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:35,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:35,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389403926] [2022-11-26 00:08:35,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389403926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:35,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:35,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:08:35,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345997205] [2022-11-26 00:08:35,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:35,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:08:35,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:35,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:08:35,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:08:35,871 INFO L87 Difference]: Start difference. First operand 6350 states and 12670 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:39,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:39,262 INFO L93 Difference]: Finished difference Result 10585 states and 20990 transitions. [2022-11-26 00:08:39,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-26 00:08:39,262 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:39,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:39,276 INFO L225 Difference]: With dead ends: 10585 [2022-11-26 00:08:39,276 INFO L226 Difference]: Without dead ends: 10585 [2022-11-26 00:08:39,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=346, Invalid=776, Unknown=0, NotChecked=0, Total=1122 [2022-11-26 00:08:39,276 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 640 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 2939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 2852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:39,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 533 Invalid, 2939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 2852 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:08:39,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10585 states. [2022-11-26 00:08:39,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10585 to 6352. [2022-11-26 00:08:39,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6352 states, 6282 states have (on average 2.017510347023241) internal successors, (12674), 6351 states have internal predecessors, (12674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6352 states to 6352 states and 12674 transitions. [2022-11-26 00:08:39,373 INFO L78 Accepts]: Start accepts. Automaton has 6352 states and 12674 transitions. Word has length 30 [2022-11-26 00:08:39,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:39,374 INFO L495 AbstractCegarLoop]: Abstraction has 6352 states and 12674 transitions. [2022-11-26 00:08:39,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:39,374 INFO L276 IsEmpty]: Start isEmpty. Operand 6352 states and 12674 transitions. [2022-11-26 00:08:39,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:39,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:39,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:39,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-11-26 00:08:39,375 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:39,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:39,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1770572045, now seen corresponding path program 36 times [2022-11-26 00:08:39,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:39,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127315026] [2022-11-26 00:08:39,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:39,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:40,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:40,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127315026] [2022-11-26 00:08:40,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127315026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:40,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:40,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:08:40,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330896747] [2022-11-26 00:08:40,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:40,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:08:40,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:40,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:08:40,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:08:40,056 INFO L87 Difference]: Start difference. First operand 6352 states and 12674 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:46,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:46,635 INFO L93 Difference]: Finished difference Result 10582 states and 20984 transitions. [2022-11-26 00:08:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-26 00:08:46,635 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:46,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:46,649 INFO L225 Difference]: With dead ends: 10582 [2022-11-26 00:08:46,649 INFO L226 Difference]: Without dead ends: 10582 [2022-11-26 00:08:46,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=452, Invalid=1108, Unknown=0, NotChecked=0, Total=1560 [2022-11-26 00:08:46,649 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 615 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 5356 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 5428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 5356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:46,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 684 Invalid, 5428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 5356 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-26 00:08:46,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10582 states. [2022-11-26 00:08:46,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10582 to 6352. [2022-11-26 00:08:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6352 states, 6282 states have (on average 2.017510347023241) internal successors, (12674), 6351 states have internal predecessors, (12674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6352 states to 6352 states and 12674 transitions. [2022-11-26 00:08:46,749 INFO L78 Accepts]: Start accepts. Automaton has 6352 states and 12674 transitions. Word has length 30 [2022-11-26 00:08:46,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:46,749 INFO L495 AbstractCegarLoop]: Abstraction has 6352 states and 12674 transitions. [2022-11-26 00:08:46,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:46,749 INFO L276 IsEmpty]: Start isEmpty. Operand 6352 states and 12674 transitions. [2022-11-26 00:08:46,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:46,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:46,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:46,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-11-26 00:08:46,752 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:46,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:46,752 INFO L85 PathProgramCache]: Analyzing trace with hash -663015891, now seen corresponding path program 37 times [2022-11-26 00:08:46,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:46,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700435463] [2022-11-26 00:08:46,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:46,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:47,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:47,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700435463] [2022-11-26 00:08:47,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700435463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:47,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:47,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:08:47,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972108528] [2022-11-26 00:08:47,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:47,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:08:47,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:47,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:08:47,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:08:47,517 INFO L87 Difference]: Start difference. First operand 6352 states and 12674 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:52,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:52,643 INFO L93 Difference]: Finished difference Result 10577 states and 21023 transitions. [2022-11-26 00:08:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-26 00:08:52,644 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:08:52,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:52,659 INFO L225 Difference]: With dead ends: 10577 [2022-11-26 00:08:52,659 INFO L226 Difference]: Without dead ends: 10577 [2022-11-26 00:08:52,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=407, Invalid=999, Unknown=0, NotChecked=0, Total=1406 [2022-11-26 00:08:52,660 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 567 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 4133 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 4230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:52,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 668 Invalid, 4230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4133 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-26 00:08:52,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10577 states. [2022-11-26 00:08:52,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10577 to 6349. [2022-11-26 00:08:52,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6349 states, 6279 states have (on average 2.017518713170887) internal successors, (12668), 6348 states have internal predecessors, (12668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:52,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6349 states to 6349 states and 12668 transitions. [2022-11-26 00:08:52,764 INFO L78 Accepts]: Start accepts. Automaton has 6349 states and 12668 transitions. Word has length 30 [2022-11-26 00:08:52,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:52,765 INFO L495 AbstractCegarLoop]: Abstraction has 6349 states and 12668 transitions. [2022-11-26 00:08:52,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:08:52,765 INFO L276 IsEmpty]: Start isEmpty. Operand 6349 states and 12668 transitions. [2022-11-26 00:08:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:08:52,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:52,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:08:52,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-11-26 00:08:52,767 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:08:52,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:52,768 INFO L85 PathProgramCache]: Analyzing trace with hash -519125361, now seen corresponding path program 38 times [2022-11-26 00:08:52,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:52,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806567072] [2022-11-26 00:08:52,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:52,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:08:53,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:53,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806567072] [2022-11-26 00:08:53,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806567072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:53,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:08:53,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:08:53,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381862160] [2022-11-26 00:08:53,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:53,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:08:53,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:53,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:08:53,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:08:53,549 INFO L87 Difference]: Start difference. First operand 6349 states and 12668 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:00,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:00,555 INFO L93 Difference]: Finished difference Result 10588 states and 20996 transitions. [2022-11-26 00:09:00,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-26 00:09:00,555 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:00,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:00,571 INFO L225 Difference]: With dead ends: 10588 [2022-11-26 00:09:00,572 INFO L226 Difference]: Without dead ends: 10588 [2022-11-26 00:09:00,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=542, Invalid=1350, Unknown=0, NotChecked=0, Total=1892 [2022-11-26 00:09:00,572 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 624 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 5900 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 5983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 5900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:00,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 725 Invalid, 5983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 5900 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-26 00:09:00,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10588 states. [2022-11-26 00:09:00,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10588 to 6351. [2022-11-26 00:09:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6351 states, 6281 states have (on average 2.0175131348511384) internal successors, (12672), 6350 states have internal predecessors, (12672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6351 states to 6351 states and 12672 transitions. [2022-11-26 00:09:00,677 INFO L78 Accepts]: Start accepts. Automaton has 6351 states and 12672 transitions. Word has length 30 [2022-11-26 00:09:00,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:00,677 INFO L495 AbstractCegarLoop]: Abstraction has 6351 states and 12672 transitions. [2022-11-26 00:09:00,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 6351 states and 12672 transitions. [2022-11-26 00:09:00,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:00,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:00,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:00,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-11-26 00:09:00,679 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:00,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:00,679 INFO L85 PathProgramCache]: Analyzing trace with hash -519050961, now seen corresponding path program 39 times [2022-11-26 00:09:00,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:00,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369481301] [2022-11-26 00:09:00,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:00,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:01,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:01,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369481301] [2022-11-26 00:09:01,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369481301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:01,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:01,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:09:01,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322118487] [2022-11-26 00:09:01,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:01,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:01,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:01,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:01,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:09:01,168 INFO L87 Difference]: Start difference. First operand 6351 states and 12672 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:05,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:05,047 INFO L93 Difference]: Finished difference Result 10587 states and 21043 transitions. [2022-11-26 00:09:05,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-26 00:09:05,048 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:05,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:05,062 INFO L225 Difference]: With dead ends: 10587 [2022-11-26 00:09:05,062 INFO L226 Difference]: Without dead ends: 10587 [2022-11-26 00:09:05,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=224, Invalid=532, Unknown=0, NotChecked=0, Total=756 [2022-11-26 00:09:05,063 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 512 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 4046 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 4130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 4046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:05,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 698 Invalid, 4130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 4046 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-26 00:09:05,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10587 states. [2022-11-26 00:09:05,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10587 to 6341. [2022-11-26 00:09:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6341 states, 6271 states have (on average 2.017541062031574) internal successors, (12652), 6340 states have internal predecessors, (12652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:05,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6341 states to 6341 states and 12652 transitions. [2022-11-26 00:09:05,161 INFO L78 Accepts]: Start accepts. Automaton has 6341 states and 12652 transitions. Word has length 30 [2022-11-26 00:09:05,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:05,161 INFO L495 AbstractCegarLoop]: Abstraction has 6341 states and 12652 transitions. [2022-11-26 00:09:05,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 6341 states and 12652 transitions. [2022-11-26 00:09:05,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:05,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:05,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:05,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-11-26 00:09:05,163 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:05,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:05,163 INFO L85 PathProgramCache]: Analyzing trace with hash 172667445, now seen corresponding path program 40 times [2022-11-26 00:09:05,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:05,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863090549] [2022-11-26 00:09:05,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:05,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:05,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:05,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863090549] [2022-11-26 00:09:05,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863090549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:05,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:05,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:09:05,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745414380] [2022-11-26 00:09:05,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:05,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:05,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:05,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:05,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:09:05,652 INFO L87 Difference]: Start difference. First operand 6341 states and 12652 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:08,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:08,718 INFO L93 Difference]: Finished difference Result 10574 states and 21017 transitions. [2022-11-26 00:09:08,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-26 00:09:08,719 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:08,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:08,732 INFO L225 Difference]: With dead ends: 10574 [2022-11-26 00:09:08,733 INFO L226 Difference]: Without dead ends: 10574 [2022-11-26 00:09:08,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=259, Invalid=553, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:09:08,733 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 475 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 3125 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 3181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 3125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:08,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 615 Invalid, 3181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 3125 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:09:08,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10574 states. [2022-11-26 00:09:08,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10574 to 6339. [2022-11-26 00:09:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6339 states, 6269 states have (on average 2.017546658159196) internal successors, (12648), 6338 states have internal predecessors, (12648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6339 states to 6339 states and 12648 transitions. [2022-11-26 00:09:08,829 INFO L78 Accepts]: Start accepts. Automaton has 6339 states and 12648 transitions. Word has length 30 [2022-11-26 00:09:08,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:08,829 INFO L495 AbstractCegarLoop]: Abstraction has 6339 states and 12648 transitions. [2022-11-26 00:09:08,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 6339 states and 12648 transitions. [2022-11-26 00:09:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:08,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:08,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:08,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-11-26 00:09:08,831 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:08,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:08,831 INFO L85 PathProgramCache]: Analyzing trace with hash 316557975, now seen corresponding path program 41 times [2022-11-26 00:09:08,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:08,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559911704] [2022-11-26 00:09:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:08,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:09,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:09,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559911704] [2022-11-26 00:09:09,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559911704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:09,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:09,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:09:09,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838327351] [2022-11-26 00:09:09,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:09,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:09,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:09,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:09,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:09:09,511 INFO L87 Difference]: Start difference. First operand 6339 states and 12648 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:13,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:13,161 INFO L93 Difference]: Finished difference Result 10600 states and 21020 transitions. [2022-11-26 00:09:13,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-26 00:09:13,162 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:13,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:13,176 INFO L225 Difference]: With dead ends: 10600 [2022-11-26 00:09:13,176 INFO L226 Difference]: Without dead ends: 10600 [2022-11-26 00:09:13,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=339, Invalid=783, Unknown=0, NotChecked=0, Total=1122 [2022-11-26 00:09:13,177 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 540 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 3077 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 3077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:13,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 547 Invalid, 3127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 3077 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:09:13,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10600 states. [2022-11-26 00:09:13,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10600 to 6343. [2022-11-26 00:09:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6343 states, 6273 states have (on average 2.017535469472342) internal successors, (12656), 6342 states have internal predecessors, (12656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6343 states to 6343 states and 12656 transitions. [2022-11-26 00:09:13,281 INFO L78 Accepts]: Start accepts. Automaton has 6343 states and 12656 transitions. Word has length 30 [2022-11-26 00:09:13,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:13,282 INFO L495 AbstractCegarLoop]: Abstraction has 6343 states and 12656 transitions. [2022-11-26 00:09:13,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 6343 states and 12656 transitions. [2022-11-26 00:09:13,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:13,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:13,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:13,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-11-26 00:09:13,284 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:13,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:13,285 INFO L85 PathProgramCache]: Analyzing trace with hash 316632375, now seen corresponding path program 42 times [2022-11-26 00:09:13,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:13,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293329661] [2022-11-26 00:09:13,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:13,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:13,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:13,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293329661] [2022-11-26 00:09:13,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293329661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:13,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:13,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:09:13,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093338284] [2022-11-26 00:09:13,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:13,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:13,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:13,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:13,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:09:13,776 INFO L87 Difference]: Start difference. First operand 6343 states and 12656 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:17,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:17,236 INFO L93 Difference]: Finished difference Result 10622 states and 21113 transitions. [2022-11-26 00:09:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 00:09:17,237 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:17,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:17,251 INFO L225 Difference]: With dead ends: 10622 [2022-11-26 00:09:17,251 INFO L226 Difference]: Without dead ends: 10622 [2022-11-26 00:09:17,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:09:17,251 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 477 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 3631 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 3696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 3631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:17,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 658 Invalid, 3696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 3631 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-26 00:09:17,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10622 states. [2022-11-26 00:09:17,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10622 to 6338. [2022-11-26 00:09:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6338 states, 6268 states have (on average 2.017549457562221) internal successors, (12646), 6337 states have internal predecessors, (12646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6338 states to 6338 states and 12646 transitions. [2022-11-26 00:09:17,347 INFO L78 Accepts]: Start accepts. Automaton has 6338 states and 12646 transitions. Word has length 30 [2022-11-26 00:09:17,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:17,348 INFO L495 AbstractCegarLoop]: Abstraction has 6338 states and 12646 transitions. [2022-11-26 00:09:17,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 6338 states and 12646 transitions. [2022-11-26 00:09:17,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:17,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:17,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:17,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-11-26 00:09:17,349 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:17,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:17,350 INFO L85 PathProgramCache]: Analyzing trace with hash 509902739, now seen corresponding path program 43 times [2022-11-26 00:09:17,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:17,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492856483] [2022-11-26 00:09:17,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:17,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:18,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:18,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:18,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492856483] [2022-11-26 00:09:18,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492856483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:18,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:18,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:09:18,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732910880] [2022-11-26 00:09:18,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:18,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:18,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:18,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:18,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:09:18,027 INFO L87 Difference]: Start difference. First operand 6338 states and 12646 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:21,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:21,629 INFO L93 Difference]: Finished difference Result 10588 states and 20996 transitions. [2022-11-26 00:09:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 00:09:21,630 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:21,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:21,643 INFO L225 Difference]: With dead ends: 10588 [2022-11-26 00:09:21,643 INFO L226 Difference]: Without dead ends: 10588 [2022-11-26 00:09:21,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=256, Invalid=614, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:09:21,644 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 525 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 3118 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 3168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 3118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:21,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 551 Invalid, 3168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 3118 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:09:21,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10588 states. [2022-11-26 00:09:21,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10588 to 6338. [2022-11-26 00:09:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6338 states, 6268 states have (on average 2.017549457562221) internal successors, (12646), 6337 states have internal predecessors, (12646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:21,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6338 states to 6338 states and 12646 transitions. [2022-11-26 00:09:21,740 INFO L78 Accepts]: Start accepts. Automaton has 6338 states and 12646 transitions. Word has length 30 [2022-11-26 00:09:21,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:21,740 INFO L495 AbstractCegarLoop]: Abstraction has 6338 states and 12646 transitions. [2022-11-26 00:09:21,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:21,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6338 states and 12646 transitions. [2022-11-26 00:09:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:21,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:21,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:21,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-11-26 00:09:21,742 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:21,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:21,742 INFO L85 PathProgramCache]: Analyzing trace with hash 509977139, now seen corresponding path program 44 times [2022-11-26 00:09:21,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:21,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880985182] [2022-11-26 00:09:21,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:21,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:22,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:22,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880985182] [2022-11-26 00:09:22,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880985182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:22,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:22,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:09:22,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017973095] [2022-11-26 00:09:22,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:22,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:22,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:22,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:22,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:09:22,768 INFO L87 Difference]: Start difference. First operand 6338 states and 12646 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:25,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:25,927 INFO L93 Difference]: Finished difference Result 10585 states and 20990 transitions. [2022-11-26 00:09:25,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 00:09:25,927 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:25,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:25,941 INFO L225 Difference]: With dead ends: 10585 [2022-11-26 00:09:25,941 INFO L226 Difference]: Without dead ends: 10585 [2022-11-26 00:09:25,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=202, Invalid=448, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:09:25,942 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 508 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 2673 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 2723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:25,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 520 Invalid, 2723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2673 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:09:25,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10585 states. [2022-11-26 00:09:26,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10585 to 6335. [2022-11-26 00:09:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6335 states, 6265 states have (on average 2.0175578611332803) internal successors, (12640), 6334 states have internal predecessors, (12640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6335 states to 6335 states and 12640 transitions. [2022-11-26 00:09:26,038 INFO L78 Accepts]: Start accepts. Automaton has 6335 states and 12640 transitions. Word has length 30 [2022-11-26 00:09:26,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:26,038 INFO L495 AbstractCegarLoop]: Abstraction has 6335 states and 12640 transitions. [2022-11-26 00:09:26,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 6335 states and 12640 transitions. [2022-11-26 00:09:26,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:26,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:26,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:26,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-11-26 00:09:26,040 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:26,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:26,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1271080149, now seen corresponding path program 11 times [2022-11-26 00:09:26,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:26,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946022709] [2022-11-26 00:09:26,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:26,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:26,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:26,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946022709] [2022-11-26 00:09:26,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946022709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:26,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:26,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:09:26,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334662589] [2022-11-26 00:09:26,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:26,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:09:26,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:26,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:09:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:09:26,770 INFO L87 Difference]: Start difference. First operand 6335 states and 12640 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:29,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:29,299 INFO L93 Difference]: Finished difference Result 10332 states and 20533 transitions. [2022-11-26 00:09:29,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:09:29,300 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:29,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:29,313 INFO L225 Difference]: With dead ends: 10332 [2022-11-26 00:09:29,313 INFO L226 Difference]: Without dead ends: 10332 [2022-11-26 00:09:29,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:09:29,313 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 505 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 2141 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:29,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 454 Invalid, 2215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 2141 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:09:29,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10332 states. [2022-11-26 00:09:29,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10332 to 6333. [2022-11-26 00:09:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6333 states, 6263 states have (on average 2.0175634679865877) internal successors, (12636), 6332 states have internal predecessors, (12636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:29,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6333 states to 6333 states and 12636 transitions. [2022-11-26 00:09:29,407 INFO L78 Accepts]: Start accepts. Automaton has 6333 states and 12636 transitions. Word has length 30 [2022-11-26 00:09:29,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:29,408 INFO L495 AbstractCegarLoop]: Abstraction has 6333 states and 12636 transitions. [2022-11-26 00:09:29,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 6333 states and 12636 transitions. [2022-11-26 00:09:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:29,410 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:29,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:29,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-11-26 00:09:29,410 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:29,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:29,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1556401263, now seen corresponding path program 12 times [2022-11-26 00:09:29,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:29,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502309655] [2022-11-26 00:09:29,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:29,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:30,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:30,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502309655] [2022-11-26 00:09:30,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502309655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:30,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:30,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:09:30,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797814872] [2022-11-26 00:09:30,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:30,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:09:30,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:30,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:09:30,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:09:30,174 INFO L87 Difference]: Start difference. First operand 6333 states and 12636 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:32,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:32,480 INFO L93 Difference]: Finished difference Result 10369 states and 20558 transitions. [2022-11-26 00:09:32,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:09:32,481 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:32,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:32,494 INFO L225 Difference]: With dead ends: 10369 [2022-11-26 00:09:32,494 INFO L226 Difference]: Without dead ends: 10369 [2022-11-26 00:09:32,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:09:32,495 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 557 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:32,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 393 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 2059 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:09:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10369 states. [2022-11-26 00:09:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10369 to 6335. [2022-11-26 00:09:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6335 states, 6265 states have (on average 2.0175578611332803) internal successors, (12640), 6334 states have internal predecessors, (12640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6335 states to 6335 states and 12640 transitions. [2022-11-26 00:09:32,590 INFO L78 Accepts]: Start accepts. Automaton has 6335 states and 12640 transitions. Word has length 30 [2022-11-26 00:09:32,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:32,591 INFO L495 AbstractCegarLoop]: Abstraction has 6335 states and 12640 transitions. [2022-11-26 00:09:32,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 6335 states and 12640 transitions. [2022-11-26 00:09:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:32,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:32,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:32,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-11-26 00:09:32,592 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:32,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:32,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1548732483, now seen corresponding path program 13 times [2022-11-26 00:09:32,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:32,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683017941] [2022-11-26 00:09:32,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:32,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:33,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:33,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:33,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683017941] [2022-11-26 00:09:33,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683017941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:33,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:33,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:09:33,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858108447] [2022-11-26 00:09:33,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:33,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:09:33,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:33,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:09:33,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:09:33,440 INFO L87 Difference]: Start difference. First operand 6335 states and 12640 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:36,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:36,416 INFO L93 Difference]: Finished difference Result 10369 states and 20558 transitions. [2022-11-26 00:09:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:09:36,417 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:36,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:36,430 INFO L225 Difference]: With dead ends: 10369 [2022-11-26 00:09:36,430 INFO L226 Difference]: Without dead ends: 10369 [2022-11-26 00:09:36,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:09:36,431 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 517 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 2675 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 2756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 2675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:36,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 423 Invalid, 2756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 2675 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:09:36,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10369 states. [2022-11-26 00:09:36,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10369 to 6337. [2022-11-26 00:09:36,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6337 states, 6267 states have (on average 2.0175522578586245) internal successors, (12644), 6336 states have internal predecessors, (12644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:36,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6337 states to 6337 states and 12644 transitions. [2022-11-26 00:09:36,527 INFO L78 Accepts]: Start accepts. Automaton has 6337 states and 12644 transitions. Word has length 30 [2022-11-26 00:09:36,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:36,527 INFO L495 AbstractCegarLoop]: Abstraction has 6337 states and 12644 transitions. [2022-11-26 00:09:36,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:36,527 INFO L276 IsEmpty]: Start isEmpty. Operand 6337 states and 12644 transitions. [2022-11-26 00:09:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:36,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:36,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:36,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-11-26 00:09:36,529 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:36,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:36,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1548480453, now seen corresponding path program 14 times [2022-11-26 00:09:36,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:36,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139750383] [2022-11-26 00:09:36,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:36,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:37,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:37,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139750383] [2022-11-26 00:09:37,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139750383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:37,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:37,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:09:37,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7684465] [2022-11-26 00:09:37,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:37,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:09:37,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:37,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:09:37,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:09:37,161 INFO L87 Difference]: Start difference. First operand 6337 states and 12644 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:39,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:39,856 INFO L93 Difference]: Finished difference Result 10363 states and 20595 transitions. [2022-11-26 00:09:39,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:09:39,856 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:39,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:39,869 INFO L225 Difference]: With dead ends: 10363 [2022-11-26 00:09:39,869 INFO L226 Difference]: Without dead ends: 10363 [2022-11-26 00:09:39,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:09:39,870 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 463 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 2712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:39,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 455 Invalid, 2712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:09:39,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10363 states. [2022-11-26 00:09:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10363 to 6331. [2022-11-26 00:09:39,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6331 states, 6261 states have (on average 2.0175690784219773) internal successors, (12632), 6330 states have internal predecessors, (12632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6331 states to 6331 states and 12632 transitions. [2022-11-26 00:09:39,965 INFO L78 Accepts]: Start accepts. Automaton has 6331 states and 12632 transitions. Word has length 30 [2022-11-26 00:09:39,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:39,965 INFO L495 AbstractCegarLoop]: Abstraction has 6331 states and 12632 transitions. [2022-11-26 00:09:39,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:39,965 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 12632 transitions. [2022-11-26 00:09:39,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:39,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:39,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:39,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-11-26 00:09:39,968 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:39,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:39,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1111329965, now seen corresponding path program 15 times [2022-11-26 00:09:39,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:39,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331378697] [2022-11-26 00:09:39,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:39,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:40,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:40,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331378697] [2022-11-26 00:09:40,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331378697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:40,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:40,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:09:40,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700272363] [2022-11-26 00:09:40,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:40,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:09:40,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:40,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:09:40,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:09:40,635 INFO L87 Difference]: Start difference. First operand 6331 states and 12632 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:43,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:43,102 INFO L93 Difference]: Finished difference Result 10472 states and 20813 transitions. [2022-11-26 00:09:43,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-26 00:09:43,102 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:43,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:43,116 INFO L225 Difference]: With dead ends: 10472 [2022-11-26 00:09:43,117 INFO L226 Difference]: Without dead ends: 10472 [2022-11-26 00:09:43,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=258, Invalid=554, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:09:43,117 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 538 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:43,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 411 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1934 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:09:43,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10472 states. [2022-11-26 00:09:43,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10472 to 6329. [2022-11-26 00:09:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6329 states, 6259 states have (on average 2.0175746924428823) internal successors, (12628), 6328 states have internal predecessors, (12628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:43,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6329 states to 6329 states and 12628 transitions. [2022-11-26 00:09:43,247 INFO L78 Accepts]: Start accepts. Automaton has 6329 states and 12628 transitions. Word has length 30 [2022-11-26 00:09:43,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:43,247 INFO L495 AbstractCegarLoop]: Abstraction has 6329 states and 12628 transitions. [2022-11-26 00:09:43,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 6329 states and 12628 transitions. [2022-11-26 00:09:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:43,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:43,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:43,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-11-26 00:09:43,249 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:43,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:43,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1106966280, now seen corresponding path program 18 times [2022-11-26 00:09:43,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:43,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335931348] [2022-11-26 00:09:43,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:43,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:44,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:44,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335931348] [2022-11-26 00:09:44,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335931348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:44,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:44,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:09:44,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527959922] [2022-11-26 00:09:44,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:44,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:44,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:44,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:44,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:09:44,261 INFO L87 Difference]: Start difference. First operand 6329 states and 12628 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:46,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:46,088 INFO L93 Difference]: Finished difference Result 10367 states and 20602 transitions. [2022-11-26 00:09:46,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:09:46,089 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:46,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:46,102 INFO L225 Difference]: With dead ends: 10367 [2022-11-26 00:09:46,102 INFO L226 Difference]: Without dead ends: 10367 [2022-11-26 00:09:46,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:09:46,103 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 601 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:46,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 382 Invalid, 1607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:09:46,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10367 states. [2022-11-26 00:09:46,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10367 to 6346. [2022-11-26 00:09:46,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6346 states, 6276 states have (on average 2.017527087316762) internal successors, (12662), 6345 states have internal predecessors, (12662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:46,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6346 states to 6346 states and 12662 transitions. [2022-11-26 00:09:46,239 INFO L78 Accepts]: Start accepts. Automaton has 6346 states and 12662 transitions. Word has length 30 [2022-11-26 00:09:46,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:46,240 INFO L495 AbstractCegarLoop]: Abstraction has 6346 states and 12662 transitions. [2022-11-26 00:09:46,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 6346 states and 12662 transitions. [2022-11-26 00:09:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:46,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:46,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:46,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-11-26 00:09:46,241 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:46,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:46,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1060207660, now seen corresponding path program 19 times [2022-11-26 00:09:46,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:46,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392315061] [2022-11-26 00:09:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:46,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:47,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:47,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:47,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392315061] [2022-11-26 00:09:47,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392315061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:47,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:47,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:09:47,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900457981] [2022-11-26 00:09:47,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:47,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:47,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:47,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:47,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:09:47,403 INFO L87 Difference]: Start difference. First operand 6346 states and 12662 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:51,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:51,277 INFO L93 Difference]: Finished difference Result 10633 states and 21060 transitions. [2022-11-26 00:09:51,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:09:51,277 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:51,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:51,291 INFO L225 Difference]: With dead ends: 10633 [2022-11-26 00:09:51,292 INFO L226 Difference]: Without dead ends: 10633 [2022-11-26 00:09:51,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:09:51,292 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 637 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 3625 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 3776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 3625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:51,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 449 Invalid, 3776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 3625 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-26 00:09:51,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10633 states. [2022-11-26 00:09:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10633 to 6374. [2022-11-26 00:09:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6374 states, 6304 states have (on average 2.0179251269035534) internal successors, (12721), 6373 states have internal predecessors, (12721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6374 states to 6374 states and 12721 transitions. [2022-11-26 00:09:51,390 INFO L78 Accepts]: Start accepts. Automaton has 6374 states and 12721 transitions. Word has length 30 [2022-11-26 00:09:51,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:51,390 INFO L495 AbstractCegarLoop]: Abstraction has 6374 states and 12721 transitions. [2022-11-26 00:09:51,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 6374 states and 12721 transitions. [2022-11-26 00:09:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:51,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:51,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:51,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-11-26 00:09:51,391 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:51,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:51,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1160305420, now seen corresponding path program 20 times [2022-11-26 00:09:51,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:51,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139186397] [2022-11-26 00:09:51,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:51,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:52,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:52,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:52,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139186397] [2022-11-26 00:09:52,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139186397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:52,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:52,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:09:52,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407122497] [2022-11-26 00:09:52,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:52,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:52,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:52,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:52,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:09:52,364 INFO L87 Difference]: Start difference. First operand 6374 states and 12721 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:55,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:55,505 INFO L93 Difference]: Finished difference Result 10456 states and 20779 transitions. [2022-11-26 00:09:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:09:55,506 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:55,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:55,520 INFO L225 Difference]: With dead ends: 10456 [2022-11-26 00:09:55,520 INFO L226 Difference]: Without dead ends: 10456 [2022-11-26 00:09:55,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:09:55,520 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 570 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 2851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:55,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 471 Invalid, 2851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 2700 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:09:55,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10456 states. [2022-11-26 00:09:55,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10456 to 6367. [2022-11-26 00:09:55,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6367 states, 6297 states have (on average 2.0176274416388758) internal successors, (12705), 6366 states have internal predecessors, (12705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:55,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6367 states to 6367 states and 12705 transitions. [2022-11-26 00:09:55,620 INFO L78 Accepts]: Start accepts. Automaton has 6367 states and 12705 transitions. Word has length 30 [2022-11-26 00:09:55,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:55,620 INFO L495 AbstractCegarLoop]: Abstraction has 6367 states and 12705 transitions. [2022-11-26 00:09:55,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 6367 states and 12705 transitions. [2022-11-26 00:09:55,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:55,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:55,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:55,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-11-26 00:09:55,621 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:55,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:55,622 INFO L85 PathProgramCache]: Analyzing trace with hash -468152756, now seen corresponding path program 21 times [2022-11-26 00:09:55,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:55,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243444890] [2022-11-26 00:09:55,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:55,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:56,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:56,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:56,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243444890] [2022-11-26 00:09:56,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243444890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:56,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:56,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:09:56,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389249866] [2022-11-26 00:09:56,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:56,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:56,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:56,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:56,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:09:56,501 INFO L87 Difference]: Start difference. First operand 6367 states and 12705 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:59,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:59,411 INFO L93 Difference]: Finished difference Result 10530 states and 20924 transitions. [2022-11-26 00:09:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:09:59,411 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:09:59,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:59,425 INFO L225 Difference]: With dead ends: 10530 [2022-11-26 00:09:59,425 INFO L226 Difference]: Without dead ends: 10530 [2022-11-26 00:09:59,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:09:59,426 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 622 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 2460 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 2647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 2460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:59,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 458 Invalid, 2647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 2460 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:09:59,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10530 states. [2022-11-26 00:09:59,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10530 to 6388. [2022-11-26 00:09:59,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6388 states, 6318 states have (on average 2.01772712883824) internal successors, (12748), 6387 states have internal predecessors, (12748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6388 states to 6388 states and 12748 transitions. [2022-11-26 00:09:59,523 INFO L78 Accepts]: Start accepts. Automaton has 6388 states and 12748 transitions. Word has length 30 [2022-11-26 00:09:59,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:59,523 INFO L495 AbstractCegarLoop]: Abstraction has 6388 states and 12748 transitions. [2022-11-26 00:09:59,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:09:59,523 INFO L276 IsEmpty]: Start isEmpty. Operand 6388 states and 12748 transitions. [2022-11-26 00:09:59,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:59,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:59,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:59,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-11-26 00:09:59,524 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:09:59,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:59,527 INFO L85 PathProgramCache]: Analyzing trace with hash 464510914, now seen corresponding path program 12 times [2022-11-26 00:09:59,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:59,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908792587] [2022-11-26 00:09:59,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:59,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:00,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:00,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908792587] [2022-11-26 00:10:00,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908792587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:00,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:00,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:10:00,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514060522] [2022-11-26 00:10:00,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:00,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:10:00,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:00,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:10:00,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:10:00,130 INFO L87 Difference]: Start difference. First operand 6388 states and 12748 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:03,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:03,187 INFO L93 Difference]: Finished difference Result 10522 states and 20919 transitions. [2022-11-26 00:10:03,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:10:03,187 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:03,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:03,202 INFO L225 Difference]: With dead ends: 10522 [2022-11-26 00:10:03,202 INFO L226 Difference]: Without dead ends: 10522 [2022-11-26 00:10:03,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=279, Invalid=651, Unknown=0, NotChecked=0, Total=930 [2022-11-26 00:10:03,202 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 872 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 2909 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 3005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 2909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:03,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [872 Valid, 901 Invalid, 3005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 2909 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:10:03,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10522 states. [2022-11-26 00:10:03,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10522 to 6375. [2022-11-26 00:10:03,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6375 states, 6305 states have (on average 2.0177636796193497) internal successors, (12722), 6374 states have internal predecessors, (12722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6375 states to 6375 states and 12722 transitions. [2022-11-26 00:10:03,303 INFO L78 Accepts]: Start accepts. Automaton has 6375 states and 12722 transitions. Word has length 30 [2022-11-26 00:10:03,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:03,303 INFO L495 AbstractCegarLoop]: Abstraction has 6375 states and 12722 transitions. [2022-11-26 00:10:03,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 6375 states and 12722 transitions. [2022-11-26 00:10:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:03,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:03,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:03,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-11-26 00:10:03,305 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:03,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:03,305 INFO L85 PathProgramCache]: Analyzing trace with hash 887083809, now seen corresponding path program 4 times [2022-11-26 00:10:03,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:03,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138402818] [2022-11-26 00:10:03,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:03,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:03,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:03,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:03,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138402818] [2022-11-26 00:10:03,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138402818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:03,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:03,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:10:03,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083386078] [2022-11-26 00:10:03,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:03,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:10:03,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:03,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:10:03,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:10:03,632 INFO L87 Difference]: Start difference. First operand 6375 states and 12722 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:06,876 INFO L93 Difference]: Finished difference Result 10417 states and 20660 transitions. [2022-11-26 00:10:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 00:10:06,876 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:06,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:06,889 INFO L225 Difference]: With dead ends: 10417 [2022-11-26 00:10:06,889 INFO L226 Difference]: Without dead ends: 10417 [2022-11-26 00:10:06,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:10:06,889 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 768 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 3555 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 3592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 3555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:06,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 957 Invalid, 3592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 3555 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:10:06,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10417 states. [2022-11-26 00:10:06,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10417 to 6096. [2022-11-26 00:10:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6096 states, 6028 states have (on average 2.0179163901791637) internal successors, (12164), 6095 states have internal predecessors, (12164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:06,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6096 states to 6096 states and 12164 transitions. [2022-11-26 00:10:06,979 INFO L78 Accepts]: Start accepts. Automaton has 6096 states and 12164 transitions. Word has length 30 [2022-11-26 00:10:06,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:06,979 INFO L495 AbstractCegarLoop]: Abstraction has 6096 states and 12164 transitions. [2022-11-26 00:10:06,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 6096 states and 12164 transitions. [2022-11-26 00:10:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:06,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:06,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:06,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-11-26 00:10:06,981 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:06,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:06,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1094250744, now seen corresponding path program 13 times [2022-11-26 00:10:06,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:06,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267877750] [2022-11-26 00:10:06,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:06,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:07,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:07,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267877750] [2022-11-26 00:10:07,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267877750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:07,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:07,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:10:07,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827781714] [2022-11-26 00:10:07,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:07,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:10:07,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:07,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:10:07,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:10:07,536 INFO L87 Difference]: Start difference. First operand 6096 states and 12164 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:10,737 INFO L93 Difference]: Finished difference Result 10443 states and 20761 transitions. [2022-11-26 00:10:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-26 00:10:10,737 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:10,752 INFO L225 Difference]: With dead ends: 10443 [2022-11-26 00:10:10,752 INFO L226 Difference]: Without dead ends: 10443 [2022-11-26 00:10:10,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=385, Invalid=947, Unknown=0, NotChecked=0, Total=1332 [2022-11-26 00:10:10,753 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 668 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 2881 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 3003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 2881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:10,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 812 Invalid, 3003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 2881 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:10:10,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10443 states. [2022-11-26 00:10:10,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10443 to 6090. [2022-11-26 00:10:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6090 states, 6022 states have (on average 2.0179342411159085) internal successors, (12152), 6089 states have internal predecessors, (12152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6090 states to 6090 states and 12152 transitions. [2022-11-26 00:10:10,895 INFO L78 Accepts]: Start accepts. Automaton has 6090 states and 12152 transitions. Word has length 30 [2022-11-26 00:10:10,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:10,895 INFO L495 AbstractCegarLoop]: Abstraction has 6090 states and 12152 transitions. [2022-11-26 00:10:10,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:10,896 INFO L276 IsEmpty]: Start isEmpty. Operand 6090 states and 12152 transitions. [2022-11-26 00:10:10,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:10,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:10,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:10,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-11-26 00:10:10,897 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:10,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:10,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1277303608, now seen corresponding path program 22 times [2022-11-26 00:10:10,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:10,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707052641] [2022-11-26 00:10:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:10,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:11,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:11,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:11,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707052641] [2022-11-26 00:10:11,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707052641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:11,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:11,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:10:11,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770415491] [2022-11-26 00:10:11,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:11,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:10:11,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:11,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:10:11,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:10:11,684 INFO L87 Difference]: Start difference. First operand 6090 states and 12152 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:15,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:15,150 INFO L93 Difference]: Finished difference Result 10508 states and 20878 transitions. [2022-11-26 00:10:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:10:15,151 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:15,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:15,164 INFO L225 Difference]: With dead ends: 10508 [2022-11-26 00:10:15,164 INFO L226 Difference]: Without dead ends: 10508 [2022-11-26 00:10:15,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:10:15,164 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 620 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 3196 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 3391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 3196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:15,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 481 Invalid, 3391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 3196 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:10:15,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10508 states. [2022-11-26 00:10:15,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10508 to 6111. [2022-11-26 00:10:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6111 states, 6043 states have (on average 2.018037398643058) internal successors, (12195), 6110 states have internal predecessors, (12195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6111 states to 6111 states and 12195 transitions. [2022-11-26 00:10:15,259 INFO L78 Accepts]: Start accepts. Automaton has 6111 states and 12195 transitions. Word has length 30 [2022-11-26 00:10:15,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:15,259 INFO L495 AbstractCegarLoop]: Abstraction has 6111 states and 12195 transitions. [2022-11-26 00:10:15,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:15,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6111 states and 12195 transitions. [2022-11-26 00:10:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:15,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:15,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:15,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-11-26 00:10:15,261 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:15,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:15,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1524361536, now seen corresponding path program 23 times [2022-11-26 00:10:15,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:15,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106338394] [2022-11-26 00:10:15,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:16,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:16,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106338394] [2022-11-26 00:10:16,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106338394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:16,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:16,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:10:16,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47084906] [2022-11-26 00:10:16,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:16,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:10:16,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:16,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:10:16,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:10:16,348 INFO L87 Difference]: Start difference. First operand 6111 states and 12195 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:19,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:19,166 INFO L93 Difference]: Finished difference Result 14130 states and 27964 transitions. [2022-11-26 00:10:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:10:19,166 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:19,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:19,185 INFO L225 Difference]: With dead ends: 14130 [2022-11-26 00:10:19,185 INFO L226 Difference]: Without dead ends: 14130 [2022-11-26 00:10:19,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:10:19,186 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 967 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 2826 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 2890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:19,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [967 Valid, 510 Invalid, 2890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 2826 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:10:19,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14130 states. [2022-11-26 00:10:19,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14130 to 6160. [2022-11-26 00:10:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6160 states, 6092 states have (on average 2.0183847669074195) internal successors, (12296), 6159 states have internal predecessors, (12296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6160 states to 6160 states and 12296 transitions. [2022-11-26 00:10:19,296 INFO L78 Accepts]: Start accepts. Automaton has 6160 states and 12296 transitions. Word has length 30 [2022-11-26 00:10:19,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:19,296 INFO L495 AbstractCegarLoop]: Abstraction has 6160 states and 12296 transitions. [2022-11-26 00:10:19,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 6160 states and 12296 transitions. [2022-11-26 00:10:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:19,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:19,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:19,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-11-26 00:10:19,298 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:19,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:19,298 INFO L85 PathProgramCache]: Analyzing trace with hash 561543104, now seen corresponding path program 24 times [2022-11-26 00:10:19,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:19,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520168691] [2022-11-26 00:10:19,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:19,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:20,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:20,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:20,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520168691] [2022-11-26 00:10:20,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520168691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:20,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:20,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:10:20,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314115398] [2022-11-26 00:10:20,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:20,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:10:20,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:20,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:10:20,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:10:20,032 INFO L87 Difference]: Start difference. First operand 6160 states and 12296 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:22,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:22,350 INFO L93 Difference]: Finished difference Result 13670 states and 27107 transitions. [2022-11-26 00:10:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:10:22,351 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:22,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:22,374 INFO L225 Difference]: With dead ends: 13670 [2022-11-26 00:10:22,374 INFO L226 Difference]: Without dead ends: 13670 [2022-11-26 00:10:22,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:10:22,375 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 692 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 1945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:22,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 573 Invalid, 1945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1846 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:10:22,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13670 states. [2022-11-26 00:10:22,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13670 to 5996. [2022-11-26 00:10:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5996 states, 5928 states have (on average 2.015013495276653) internal successors, (11945), 5995 states have internal predecessors, (11945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:22,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5996 states to 5996 states and 11945 transitions. [2022-11-26 00:10:22,493 INFO L78 Accepts]: Start accepts. Automaton has 5996 states and 11945 transitions. Word has length 30 [2022-11-26 00:10:22,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:22,494 INFO L495 AbstractCegarLoop]: Abstraction has 5996 states and 11945 transitions. [2022-11-26 00:10:22,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 5996 states and 11945 transitions. [2022-11-26 00:10:22,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:22,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:22,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:22,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-11-26 00:10:22,495 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:22,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:22,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1147488635, now seen corresponding path program 2 times [2022-11-26 00:10:22,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:22,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333829868] [2022-11-26 00:10:22,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:22,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:22,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:22,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333829868] [2022-11-26 00:10:22,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333829868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:22,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:22,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:10:22,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443244557] [2022-11-26 00:10:22,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:22,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:10:22,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:22,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:10:22,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:10:22,813 INFO L87 Difference]: Start difference. First operand 5996 states and 11945 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:25,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:25,754 INFO L93 Difference]: Finished difference Result 13617 states and 26952 transitions. [2022-11-26 00:10:25,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-26 00:10:25,755 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:25,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:25,774 INFO L225 Difference]: With dead ends: 13617 [2022-11-26 00:10:25,774 INFO L226 Difference]: Without dead ends: 13617 [2022-11-26 00:10:25,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=294, Invalid=762, Unknown=0, NotChecked=0, Total=1056 [2022-11-26 00:10:25,775 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 673 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 2663 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 2719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:25,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 690 Invalid, 2719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2663 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:10:25,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13617 states. [2022-11-26 00:10:25,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13617 to 5941. [2022-11-26 00:10:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5941 states, 5873 states have (on average 2.013451387706453) internal successors, (11825), 5940 states have internal predecessors, (11825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5941 states to 5941 states and 11825 transitions. [2022-11-26 00:10:25,908 INFO L78 Accepts]: Start accepts. Automaton has 5941 states and 11825 transitions. Word has length 30 [2022-11-26 00:10:25,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:25,909 INFO L495 AbstractCegarLoop]: Abstraction has 5941 states and 11825 transitions. [2022-11-26 00:10:25,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 5941 states and 11825 transitions. [2022-11-26 00:10:25,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:25,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:25,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:25,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-11-26 00:10:25,911 INFO L420 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:25,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:25,911 INFO L85 PathProgramCache]: Analyzing trace with hash -186733390, now seen corresponding path program 14 times [2022-11-26 00:10:25,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:25,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728712982] [2022-11-26 00:10:25,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:25,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:26,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:26,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728712982] [2022-11-26 00:10:26,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728712982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:26,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:26,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:10:26,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779774494] [2022-11-26 00:10:26,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:26,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:10:26,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:26,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:10:26,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:10:26,685 INFO L87 Difference]: Start difference. First operand 5941 states and 11825 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:31,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:31,156 INFO L93 Difference]: Finished difference Result 6217 states and 12374 transitions. [2022-11-26 00:10:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-26 00:10:31,157 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:31,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:31,165 INFO L225 Difference]: With dead ends: 6217 [2022-11-26 00:10:31,165 INFO L226 Difference]: Without dead ends: 6217 [2022-11-26 00:10:31,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=355, Invalid=835, Unknown=0, NotChecked=0, Total=1190 [2022-11-26 00:10:31,165 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 407 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 4626 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 4799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 4626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:31,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 470 Invalid, 4799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 4626 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-26 00:10:31,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6217 states. [2022-11-26 00:10:31,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6217 to 5786. [2022-11-26 00:10:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5786 states, 5719 states have (on average 2.0134638922888617) internal successors, (11515), 5785 states have internal predecessors, (11515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:31,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 11515 transitions. [2022-11-26 00:10:31,234 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 11515 transitions. Word has length 30 [2022-11-26 00:10:31,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:31,234 INFO L495 AbstractCegarLoop]: Abstraction has 5786 states and 11515 transitions. [2022-11-26 00:10:31,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:31,234 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 11515 transitions. [2022-11-26 00:10:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:31,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:31,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:31,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-11-26 00:10:31,235 INFO L420 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:31,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:31,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1609552700, now seen corresponding path program 25 times [2022-11-26 00:10:31,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:31,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149201377] [2022-11-26 00:10:31,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:31,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:32,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:32,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:32,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149201377] [2022-11-26 00:10:32,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149201377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:32,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:32,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:10:32,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374998996] [2022-11-26 00:10:32,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:32,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:10:32,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:32,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:10:32,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:10:32,132 INFO L87 Difference]: Start difference. First operand 5786 states and 11515 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:34,233 INFO L93 Difference]: Finished difference Result 9263 states and 18337 transitions. [2022-11-26 00:10:34,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:10:34,233 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:34,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:34,246 INFO L225 Difference]: With dead ends: 9263 [2022-11-26 00:10:34,246 INFO L226 Difference]: Without dead ends: 9263 [2022-11-26 00:10:34,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:10:34,247 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 574 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 2163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:34,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 517 Invalid, 2163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:10:34,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9263 states. [2022-11-26 00:10:34,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9263 to 5828. [2022-11-26 00:10:34,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5828 states, 5761 states have (on average 2.0140600590175315) internal successors, (11603), 5827 states have internal predecessors, (11603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5828 states to 5828 states and 11603 transitions. [2022-11-26 00:10:34,347 INFO L78 Accepts]: Start accepts. Automaton has 5828 states and 11603 transitions. Word has length 30 [2022-11-26 00:10:34,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:34,347 INFO L495 AbstractCegarLoop]: Abstraction has 5828 states and 11603 transitions. [2022-11-26 00:10:34,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 5828 states and 11603 transitions. [2022-11-26 00:10:34,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:34,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:34,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:34,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-11-26 00:10:34,349 INFO L420 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:34,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:34,349 INFO L85 PathProgramCache]: Analyzing trace with hash -599509956, now seen corresponding path program 26 times [2022-11-26 00:10:34,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:34,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573245477] [2022-11-26 00:10:34,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:34,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:35,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:35,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573245477] [2022-11-26 00:10:35,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573245477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:35,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:35,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:10:35,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832087569] [2022-11-26 00:10:35,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:35,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:10:35,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:35,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:10:35,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:10:35,025 INFO L87 Difference]: Start difference. First operand 5828 states and 11603 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:37,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:37,699 INFO L93 Difference]: Finished difference Result 8989 states and 17842 transitions. [2022-11-26 00:10:37,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:10:37,699 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:37,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:37,711 INFO L225 Difference]: With dead ends: 8989 [2022-11-26 00:10:37,711 INFO L226 Difference]: Without dead ends: 8989 [2022-11-26 00:10:37,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:10:37,712 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 674 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 2226 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:37,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 542 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2226 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:10:37,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8989 states. [2022-11-26 00:10:37,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8989 to 5703. [2022-11-26 00:10:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5703 states, 5638 states have (on average 2.0129478538488828) internal successors, (11349), 5702 states have internal predecessors, (11349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 11349 transitions. [2022-11-26 00:10:37,795 INFO L78 Accepts]: Start accepts. Automaton has 5703 states and 11349 transitions. Word has length 30 [2022-11-26 00:10:37,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:37,795 INFO L495 AbstractCegarLoop]: Abstraction has 5703 states and 11349 transitions. [2022-11-26 00:10:37,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 11349 transitions. [2022-11-26 00:10:37,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:37,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:37,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:37,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-11-26 00:10:37,796 INFO L420 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:37,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:37,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1986425601, now seen corresponding path program 3 times [2022-11-26 00:10:37,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:37,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157442634] [2022-11-26 00:10:37,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:37,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:38,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:38,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157442634] [2022-11-26 00:10:38,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157442634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:38,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:38,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:10:38,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286774395] [2022-11-26 00:10:38,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:38,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:10:38,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:38,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:10:38,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:10:38,091 INFO L87 Difference]: Start difference. First operand 5703 states and 11349 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:41,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:41,109 INFO L93 Difference]: Finished difference Result 9076 states and 17967 transitions. [2022-11-26 00:10:41,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-26 00:10:41,109 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:41,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:41,121 INFO L225 Difference]: With dead ends: 9076 [2022-11-26 00:10:41,121 INFO L226 Difference]: Without dead ends: 9076 [2022-11-26 00:10:41,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:10:41,122 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 521 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 2959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:41,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 709 Invalid, 2959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:10:41,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9076 states. [2022-11-26 00:10:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9076 to 5597. [2022-11-26 00:10:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5533 states have (on average 2.012832098319176) internal successors, (11137), 5596 states have internal predecessors, (11137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 11137 transitions. [2022-11-26 00:10:41,221 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 11137 transitions. Word has length 30 [2022-11-26 00:10:41,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:41,222 INFO L495 AbstractCegarLoop]: Abstraction has 5597 states and 11137 transitions. [2022-11-26 00:10:41,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:41,222 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 11137 transitions. [2022-11-26 00:10:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:41,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:41,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:41,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-11-26 00:10:41,223 INFO L420 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:41,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:41,224 INFO L85 PathProgramCache]: Analyzing trace with hash -611359461, now seen corresponding path program 16 times [2022-11-26 00:10:41,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:41,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654369502] [2022-11-26 00:10:41,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:41,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:41,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:41,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654369502] [2022-11-26 00:10:41,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654369502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:41,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:41,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:10:41,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744594904] [2022-11-26 00:10:41,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:41,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:10:41,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:41,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:10:41,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:10:41,564 INFO L87 Difference]: Start difference. First operand 5597 states and 11137 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:43,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:43,711 INFO L93 Difference]: Finished difference Result 9012 states and 17880 transitions. [2022-11-26 00:10:43,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:10:43,711 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:43,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:43,725 INFO L225 Difference]: With dead ends: 9012 [2022-11-26 00:10:43,725 INFO L226 Difference]: Without dead ends: 9012 [2022-11-26 00:10:43,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:10:43,726 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 436 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:43,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 394 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:10:43,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9012 states. [2022-11-26 00:10:43,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9012 to 5596. [2022-11-26 00:10:43,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5596 states, 5532 states have (on average 2.012834417932032) internal successors, (11135), 5595 states have internal predecessors, (11135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5596 states to 5596 states and 11135 transitions. [2022-11-26 00:10:43,859 INFO L78 Accepts]: Start accepts. Automaton has 5596 states and 11135 transitions. Word has length 30 [2022-11-26 00:10:43,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:43,860 INFO L495 AbstractCegarLoop]: Abstraction has 5596 states and 11135 transitions. [2022-11-26 00:10:43,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 5596 states and 11135 transitions. [2022-11-26 00:10:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:43,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:43,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:43,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-11-26 00:10:43,861 INFO L420 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:43,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:43,861 INFO L85 PathProgramCache]: Analyzing trace with hash -752568801, now seen corresponding path program 17 times [2022-11-26 00:10:43,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:43,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368115317] [2022-11-26 00:10:43,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:43,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:44,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:44,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368115317] [2022-11-26 00:10:44,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368115317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:44,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:44,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:10:44,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910399175] [2022-11-26 00:10:44,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:44,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:10:44,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:44,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:10:44,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:10:44,446 INFO L87 Difference]: Start difference. First operand 5596 states and 11135 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:45,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:45,831 INFO L93 Difference]: Finished difference Result 8818 states and 17496 transitions. [2022-11-26 00:10:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:10:45,832 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:45,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:45,844 INFO L225 Difference]: With dead ends: 8818 [2022-11-26 00:10:45,844 INFO L226 Difference]: Without dead ends: 8818 [2022-11-26 00:10:45,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:10:45,844 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 390 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:45,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 353 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:10:45,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8818 states. [2022-11-26 00:10:45,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8818 to 5595. [2022-11-26 00:10:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5531 states have (on average 2.0128367383836556) internal successors, (11133), 5594 states have internal predecessors, (11133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 11133 transitions. [2022-11-26 00:10:45,925 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 11133 transitions. Word has length 30 [2022-11-26 00:10:45,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:45,925 INFO L495 AbstractCegarLoop]: Abstraction has 5595 states and 11133 transitions. [2022-11-26 00:10:45,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 11133 transitions. [2022-11-26 00:10:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:10:45,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:45,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:45,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-11-26 00:10:45,926 INFO L420 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:45,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:45,926 INFO L85 PathProgramCache]: Analyzing trace with hash -760237581, now seen corresponding path program 18 times [2022-11-26 00:10:45,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:45,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472098490] [2022-11-26 00:10:45,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:45,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:46,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:46,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472098490] [2022-11-26 00:10:46,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472098490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:46,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:46,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:10:46,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989985001] [2022-11-26 00:10:46,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:46,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:10:46,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:46,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:10:46,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:10:46,594 INFO L87 Difference]: Start difference. First operand 5595 states and 11133 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:48,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:48,349 INFO L93 Difference]: Finished difference Result 8837 states and 17534 transitions. [2022-11-26 00:10:48,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:10:48,349 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:10:48,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:48,360 INFO L225 Difference]: With dead ends: 8837 [2022-11-26 00:10:48,360 INFO L226 Difference]: Without dead ends: 8837 [2022-11-26 00:10:48,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:10:48,361 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 396 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:48,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 382 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:10:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8837 states. [2022-11-26 00:10:48,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8837 to 5489. [2022-11-26 00:10:48,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5489 states, 5425 states have (on average 2.013087557603687) internal successors, (10921), 5488 states have internal predecessors, (10921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5489 states to 5489 states and 10921 transitions. [2022-11-26 00:10:48,440 INFO L78 Accepts]: Start accepts. Automaton has 5489 states and 10921 transitions. Word has length 30 [2022-11-26 00:10:48,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:48,440 INFO L495 AbstractCegarLoop]: Abstraction has 5489 states and 10921 transitions. [2022-11-26 00:10:48,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 5489 states and 10921 transitions. [2022-11-26 00:10:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:10:48,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:48,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:48,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-11-26 00:10:48,441 INFO L420 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:48,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:48,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1119013911, now seen corresponding path program 1 times [2022-11-26 00:10:48,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:48,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073461736] [2022-11-26 00:10:48,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:48,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:49,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:49,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073461736] [2022-11-26 00:10:49,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073461736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:49,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:49,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:10:49,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490823260] [2022-11-26 00:10:49,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:49,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:10:49,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:49,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:10:49,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:10:49,183 INFO L87 Difference]: Start difference. First operand 5489 states and 10921 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:50,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:50,967 INFO L93 Difference]: Finished difference Result 12913 states and 25650 transitions. [2022-11-26 00:10:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:10:50,971 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-26 00:10:50,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:50,996 INFO L225 Difference]: With dead ends: 12913 [2022-11-26 00:10:50,997 INFO L226 Difference]: Without dead ends: 12913 [2022-11-26 00:10:50,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:10:50,997 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 618 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 1255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:50,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 494 Invalid, 1255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:10:51,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12913 states. [2022-11-26 00:10:51,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12913 to 5615. [2022-11-26 00:10:51,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5615 states, 5551 states have (on average 2.0127904882003245) internal successors, (11173), 5614 states have internal predecessors, (11173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:51,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5615 states to 5615 states and 11173 transitions. [2022-11-26 00:10:51,132 INFO L78 Accepts]: Start accepts. Automaton has 5615 states and 11173 transitions. Word has length 31 [2022-11-26 00:10:51,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:51,132 INFO L495 AbstractCegarLoop]: Abstraction has 5615 states and 11173 transitions. [2022-11-26 00:10:51,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5615 states and 11173 transitions. [2022-11-26 00:10:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:10:51,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:51,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:51,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-11-26 00:10:51,134 INFO L420 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:51,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:51,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1118774901, now seen corresponding path program 2 times [2022-11-26 00:10:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:51,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223507500] [2022-11-26 00:10:51,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:51,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:51,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:51,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223507500] [2022-11-26 00:10:51,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223507500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:51,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:51,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:10:51,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267447381] [2022-11-26 00:10:51,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:51,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:10:51,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:51,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:10:51,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:10:51,957 INFO L87 Difference]: Start difference. First operand 5615 states and 11173 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:54,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:54,415 INFO L93 Difference]: Finished difference Result 12903 states and 25630 transitions. [2022-11-26 00:10:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:10:54,415 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-26 00:10:54,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:54,435 INFO L225 Difference]: With dead ends: 12903 [2022-11-26 00:10:54,435 INFO L226 Difference]: Without dead ends: 12903 [2022-11-26 00:10:54,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:10:54,436 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 579 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 1892 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:54,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 574 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1892 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:10:54,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12903 states. [2022-11-26 00:10:54,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12903 to 5621. [2022-11-26 00:10:54,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5621 states, 5557 states have (on average 2.0127766780637035) internal successors, (11185), 5620 states have internal predecessors, (11185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5621 states to 5621 states and 11185 transitions. [2022-11-26 00:10:54,577 INFO L78 Accepts]: Start accepts. Automaton has 5621 states and 11185 transitions. Word has length 31 [2022-11-26 00:10:54,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:54,577 INFO L495 AbstractCegarLoop]: Abstraction has 5621 states and 11185 transitions. [2022-11-26 00:10:54,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 5621 states and 11185 transitions. [2022-11-26 00:10:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:10:54,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:54,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:54,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-11-26 00:10:54,579 INFO L420 AbstractCegarLoop]: === Iteration 161 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:54,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:54,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1295840357, now seen corresponding path program 3 times [2022-11-26 00:10:54,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:54,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398637969] [2022-11-26 00:10:54,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:54,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:55,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:55,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398637969] [2022-11-26 00:10:55,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398637969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:55,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:55,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:10:55,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862360074] [2022-11-26 00:10:55,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:55,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:10:55,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:55,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:10:55,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:10:55,688 INFO L87 Difference]: Start difference. First operand 5621 states and 11185 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:57,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:57,773 INFO L93 Difference]: Finished difference Result 12895 states and 25614 transitions. [2022-11-26 00:10:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:10:57,773 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-26 00:10:57,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:57,791 INFO L225 Difference]: With dead ends: 12895 [2022-11-26 00:10:57,791 INFO L226 Difference]: Without dead ends: 12895 [2022-11-26 00:10:57,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:10:57,792 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 581 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:57,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 523 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:10:57,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12895 states. [2022-11-26 00:10:57,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12895 to 5625. [2022-11-26 00:10:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5625 states, 5561 states have (on average 2.0127674878618955) internal successors, (11193), 5624 states have internal predecessors, (11193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:57,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5625 states to 5625 states and 11193 transitions. [2022-11-26 00:10:57,950 INFO L78 Accepts]: Start accepts. Automaton has 5625 states and 11193 transitions. Word has length 31 [2022-11-26 00:10:57,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:57,950 INFO L495 AbstractCegarLoop]: Abstraction has 5625 states and 11193 transitions. [2022-11-26 00:10:57,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:10:57,950 INFO L276 IsEmpty]: Start isEmpty. Operand 5625 states and 11193 transitions. [2022-11-26 00:10:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:10:57,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:57,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:57,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-11-26 00:10:57,951 INFO L420 AbstractCegarLoop]: === Iteration 162 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:10:57,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:57,952 INFO L85 PathProgramCache]: Analyzing trace with hash 597044267, now seen corresponding path program 4 times [2022-11-26 00:10:57,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:57,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59260587] [2022-11-26 00:10:57,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:57,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:10:58,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:58,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59260587] [2022-11-26 00:10:58,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59260587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:58,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:58,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:10:58,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904786984] [2022-11-26 00:10:58,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:58,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:10:58,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:58,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:10:58,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:10:58,629 INFO L87 Difference]: Start difference. First operand 5625 states and 11193 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:00,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:00,553 INFO L93 Difference]: Finished difference Result 9290 states and 18461 transitions. [2022-11-26 00:11:00,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:11:00,553 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-26 00:11:00,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:00,567 INFO L225 Difference]: With dead ends: 9290 [2022-11-26 00:11:00,567 INFO L226 Difference]: Without dead ends: 9290 [2022-11-26 00:11:00,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:11:00,567 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 350 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 1770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:00,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 397 Invalid, 1770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:11:00,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9290 states. [2022-11-26 00:11:00,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9290 to 5629. [2022-11-26 00:11:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5629 states, 5565 states have (on average 2.0127583108715186) internal successors, (11201), 5628 states have internal predecessors, (11201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5629 states to 5629 states and 11201 transitions. [2022-11-26 00:11:00,671 INFO L78 Accepts]: Start accepts. Automaton has 5629 states and 11201 transitions. Word has length 31 [2022-11-26 00:11:00,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:00,671 INFO L495 AbstractCegarLoop]: Abstraction has 5629 states and 11201 transitions. [2022-11-26 00:11:00,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 5629 states and 11201 transitions. [2022-11-26 00:11:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:11:00,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:00,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:00,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-11-26 00:11:00,673 INFO L420 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:00,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:00,673 INFO L85 PathProgramCache]: Analyzing trace with hash 599589677, now seen corresponding path program 5 times [2022-11-26 00:11:00,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:00,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245068195] [2022-11-26 00:11:00,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:00,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:01,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:01,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:01,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245068195] [2022-11-26 00:11:01,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245068195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:01,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:01,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:11:01,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145707318] [2022-11-26 00:11:01,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:01,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:11:01,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:01,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:11:01,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:11:01,654 INFO L87 Difference]: Start difference. First operand 5629 states and 11201 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:03,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:03,174 INFO L93 Difference]: Finished difference Result 9289 states and 18459 transitions. [2022-11-26 00:11:03,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:11:03,175 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-26 00:11:03,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:03,187 INFO L225 Difference]: With dead ends: 9289 [2022-11-26 00:11:03,187 INFO L226 Difference]: Without dead ends: 9289 [2022-11-26 00:11:03,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:11:03,187 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 346 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:03,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 352 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:11:03,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9289 states. [2022-11-26 00:11:03,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9289 to 5626. [2022-11-26 00:11:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5626 states, 5562 states have (on average 2.012765192376843) internal successors, (11195), 5625 states have internal predecessors, (11195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5626 states to 5626 states and 11195 transitions. [2022-11-26 00:11:03,271 INFO L78 Accepts]: Start accepts. Automaton has 5626 states and 11195 transitions. Word has length 31 [2022-11-26 00:11:03,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:03,271 INFO L495 AbstractCegarLoop]: Abstraction has 5626 states and 11195 transitions. [2022-11-26 00:11:03,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 5626 states and 11195 transitions. [2022-11-26 00:11:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:11:03,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:03,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:03,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-11-26 00:11:03,272 INFO L420 AbstractCegarLoop]: === Iteration 164 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:03,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:03,273 INFO L85 PathProgramCache]: Analyzing trace with hash 702437841, now seen corresponding path program 6 times [2022-11-26 00:11:03,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:03,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362487758] [2022-11-26 00:11:03,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:03,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:03,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:03,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362487758] [2022-11-26 00:11:03,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362487758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:03,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:03,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:11:03,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132792720] [2022-11-26 00:11:03,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:03,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:11:03,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:03,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:11:03,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:11:03,954 INFO L87 Difference]: Start difference. First operand 5626 states and 11195 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:05,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:05,785 INFO L93 Difference]: Finished difference Result 9321 states and 18528 transitions. [2022-11-26 00:11:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:11:05,786 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-26 00:11:05,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:05,798 INFO L225 Difference]: With dead ends: 9321 [2022-11-26 00:11:05,798 INFO L226 Difference]: Without dead ends: 9321 [2022-11-26 00:11:05,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:11:05,798 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 539 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:05,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 497 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:11:05,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9321 states. [2022-11-26 00:11:05,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9321 to 5594. [2022-11-26 00:11:05,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5594 states, 5530 states have (on average 2.0128390596745027) internal successors, (11131), 5593 states have internal predecessors, (11131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5594 states to 5594 states and 11131 transitions. [2022-11-26 00:11:05,884 INFO L78 Accepts]: Start accepts. Automaton has 5594 states and 11131 transitions. Word has length 31 [2022-11-26 00:11:05,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:05,884 INFO L495 AbstractCegarLoop]: Abstraction has 5594 states and 11131 transitions. [2022-11-26 00:11:05,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5594 states and 11131 transitions. [2022-11-26 00:11:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:11:05,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:05,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:05,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-11-26 00:11:05,885 INFO L420 AbstractCegarLoop]: === Iteration 165 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:05,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:05,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1373130697, now seen corresponding path program 7 times [2022-11-26 00:11:05,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:05,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321544646] [2022-11-26 00:11:05,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:05,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:06,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:06,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321544646] [2022-11-26 00:11:06,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321544646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:06,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:06,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:11:06,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732253799] [2022-11-26 00:11:06,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:06,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:11:06,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:06,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:11:06,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:11:06,526 INFO L87 Difference]: Start difference. First operand 5594 states and 11131 transitions. Second operand has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:09,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:09,323 INFO L93 Difference]: Finished difference Result 10085 states and 20012 transitions. [2022-11-26 00:11:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 00:11:09,323 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-26 00:11:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:09,337 INFO L225 Difference]: With dead ends: 10085 [2022-11-26 00:11:09,337 INFO L226 Difference]: Without dead ends: 10085 [2022-11-26 00:11:09,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:11:09,338 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 473 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 2940 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 3008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 2940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:09,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 616 Invalid, 3008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 2940 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:11:09,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10085 states. [2022-11-26 00:11:09,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10085 to 5551. [2022-11-26 00:11:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 5487 states have (on average 2.0129396755968654) internal successors, (11045), 5550 states have internal predecessors, (11045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:09,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 11045 transitions. [2022-11-26 00:11:09,431 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 11045 transitions. Word has length 31 [2022-11-26 00:11:09,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:09,432 INFO L495 AbstractCegarLoop]: Abstraction has 5551 states and 11045 transitions. [2022-11-26 00:11:09,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:09,432 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 11045 transitions. [2022-11-26 00:11:09,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-26 00:11:09,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:09,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:09,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-11-26 00:11:09,433 INFO L420 AbstractCegarLoop]: === Iteration 166 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:09,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:09,434 INFO L85 PathProgramCache]: Analyzing trace with hash 247673419, now seen corresponding path program 1 times [2022-11-26 00:11:09,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:09,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732704524] [2022-11-26 00:11:09,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:09,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:10,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:10,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732704524] [2022-11-26 00:11:10,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732704524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:10,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:10,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:11:10,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625750287] [2022-11-26 00:11:10,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:10,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:11:10,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:10,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:11:10,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:11:10,282 INFO L87 Difference]: Start difference. First operand 5551 states and 11045 transitions. Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:12,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:12,498 INFO L93 Difference]: Finished difference Result 12830 states and 25484 transitions. [2022-11-26 00:11:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:11:12,498 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-26 00:11:12,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:12,516 INFO L225 Difference]: With dead ends: 12830 [2022-11-26 00:11:12,516 INFO L226 Difference]: Without dead ends: 12830 [2022-11-26 00:11:12,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:11:12,517 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 585 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:12,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 553 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:11:12,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12830 states. [2022-11-26 00:11:12,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12830 to 5563. [2022-11-26 00:11:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5563 states, 5499 states have (on average 2.0129114384433535) internal successors, (11069), 5562 states have internal predecessors, (11069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5563 states to 5563 states and 11069 transitions. [2022-11-26 00:11:12,622 INFO L78 Accepts]: Start accepts. Automaton has 5563 states and 11069 transitions. Word has length 32 [2022-11-26 00:11:12,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:12,622 INFO L495 AbstractCegarLoop]: Abstraction has 5563 states and 11069 transitions. [2022-11-26 00:11:12,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 5563 states and 11069 transitions. [2022-11-26 00:11:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-26 00:11:12,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:12,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:12,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-11-26 00:11:12,624 INFO L420 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:12,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:12,624 INFO L85 PathProgramCache]: Analyzing trace with hash -322286821, now seen corresponding path program 2 times [2022-11-26 00:11:12,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:12,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82963369] [2022-11-26 00:11:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:13,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:13,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:13,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82963369] [2022-11-26 00:11:13,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82963369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:13,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:13,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:11:13,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357604143] [2022-11-26 00:11:13,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:13,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:11:13,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:13,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:11:13,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:11:13,147 INFO L87 Difference]: Start difference. First operand 5563 states and 11069 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:15,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:15,325 INFO L93 Difference]: Finished difference Result 12876 states and 25576 transitions. [2022-11-26 00:11:15,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:11:15,326 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-26 00:11:15,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:15,344 INFO L225 Difference]: With dead ends: 12876 [2022-11-26 00:11:15,344 INFO L226 Difference]: Without dead ends: 12876 [2022-11-26 00:11:15,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:11:15,344 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 847 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 1819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:15,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 663 Invalid, 1819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:11:15,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12876 states. [2022-11-26 00:11:15,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12876 to 5567. [2022-11-26 00:11:15,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5567 states, 5503 states have (on average 2.0136289296747227) internal successors, (11081), 5566 states have internal predecessors, (11081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 5567 states and 11081 transitions. [2022-11-26 00:11:15,441 INFO L78 Accepts]: Start accepts. Automaton has 5567 states and 11081 transitions. Word has length 32 [2022-11-26 00:11:15,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:15,441 INFO L495 AbstractCegarLoop]: Abstraction has 5567 states and 11081 transitions. [2022-11-26 00:11:15,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 11081 transitions. [2022-11-26 00:11:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-26 00:11:15,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:15,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:15,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-11-26 00:11:15,443 INFO L420 AbstractCegarLoop]: === Iteration 168 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:15,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:15,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1328499835, now seen corresponding path program 3 times [2022-11-26 00:11:15,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:15,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662791715] [2022-11-26 00:11:15,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:15,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:16,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:16,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662791715] [2022-11-26 00:11:16,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662791715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:16,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:16,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:11:16,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828370893] [2022-11-26 00:11:16,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:16,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:11:16,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:16,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:11:16,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:11:16,696 INFO L87 Difference]: Start difference. First operand 5567 states and 11081 transitions. Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:18,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:18,675 INFO L93 Difference]: Finished difference Result 9325 states and 18535 transitions. [2022-11-26 00:11:18,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:11:18,676 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-26 00:11:18,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:18,688 INFO L225 Difference]: With dead ends: 9325 [2022-11-26 00:11:18,688 INFO L226 Difference]: Without dead ends: 9325 [2022-11-26 00:11:18,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:11:18,688 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 348 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:18,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 412 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:11:18,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9325 states. [2022-11-26 00:11:18,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9325 to 5570. [2022-11-26 00:11:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5570 states, 5506 states have (on average 2.0136215038140213) internal successors, (11087), 5569 states have internal predecessors, (11087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:18,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5570 states to 5570 states and 11087 transitions. [2022-11-26 00:11:18,770 INFO L78 Accepts]: Start accepts. Automaton has 5570 states and 11087 transitions. Word has length 32 [2022-11-26 00:11:18,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:18,770 INFO L495 AbstractCegarLoop]: Abstraction has 5570 states and 11087 transitions. [2022-11-26 00:11:18,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 5570 states and 11087 transitions. [2022-11-26 00:11:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-26 00:11:18,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:18,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:18,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-11-26 00:11:18,772 INFO L420 AbstractCegarLoop]: === Iteration 169 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:18,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:18,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1407407545, now seen corresponding path program 4 times [2022-11-26 00:11:18,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:18,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070669584] [2022-11-26 00:11:18,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:18,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:20,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:20,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070669584] [2022-11-26 00:11:20,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070669584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:20,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:20,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:11:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893499397] [2022-11-26 00:11:20,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:20,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:11:20,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:20,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:11:20,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:11:20,094 INFO L87 Difference]: Start difference. First operand 5570 states and 11087 transitions. Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:22,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:22,059 INFO L93 Difference]: Finished difference Result 9324 states and 18533 transitions. [2022-11-26 00:11:22,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:11:22,059 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-26 00:11:22,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:22,072 INFO L225 Difference]: With dead ends: 9324 [2022-11-26 00:11:22,072 INFO L226 Difference]: Without dead ends: 9324 [2022-11-26 00:11:22,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:11:22,073 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 346 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:22,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 377 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:11:22,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9324 states. [2022-11-26 00:11:22,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9324 to 5566. [2022-11-26 00:11:22,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5566 states, 5502 states have (on average 2.013631406761178) internal successors, (11079), 5565 states have internal predecessors, (11079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5566 states to 5566 states and 11079 transitions. [2022-11-26 00:11:22,156 INFO L78 Accepts]: Start accepts. Automaton has 5566 states and 11079 transitions. Word has length 32 [2022-11-26 00:11:22,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:22,156 INFO L495 AbstractCegarLoop]: Abstraction has 5566 states and 11079 transitions. [2022-11-26 00:11:22,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:22,157 INFO L276 IsEmpty]: Start isEmpty. Operand 5566 states and 11079 transitions. [2022-11-26 00:11:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-26 00:11:22,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:22,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:22,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-11-26 00:11:22,158 INFO L420 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:22,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:22,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1766184185, now seen corresponding path program 1 times [2022-11-26 00:11:22,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:22,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139073146] [2022-11-26 00:11:22,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:22,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:23,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:23,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139073146] [2022-11-26 00:11:23,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139073146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:23,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:23,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:11:23,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337990130] [2022-11-26 00:11:23,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:23,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:11:23,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:23,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:11:23,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:11:23,583 INFO L87 Difference]: Start difference. First operand 5566 states and 11079 transitions. Second operand has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:25,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:25,600 INFO L93 Difference]: Finished difference Result 9336 states and 18557 transitions. [2022-11-26 00:11:25,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:11:25,601 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-26 00:11:25,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:25,613 INFO L225 Difference]: With dead ends: 9336 [2022-11-26 00:11:25,613 INFO L226 Difference]: Without dead ends: 9336 [2022-11-26 00:11:25,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:11:25,613 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 357 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:25,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 421 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1549 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:11:25,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9336 states. [2022-11-26 00:11:25,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9336 to 5548. [2022-11-26 00:11:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5548 states, 5484 states have (on average 2.013676148796499) internal successors, (11043), 5547 states have internal predecessors, (11043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:25,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5548 states to 5548 states and 11043 transitions. [2022-11-26 00:11:25,700 INFO L78 Accepts]: Start accepts. Automaton has 5548 states and 11043 transitions. Word has length 33 [2022-11-26 00:11:25,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:25,701 INFO L495 AbstractCegarLoop]: Abstraction has 5548 states and 11043 transitions. [2022-11-26 00:11:25,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 5548 states and 11043 transitions. [2022-11-26 00:11:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-26 00:11:25,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:25,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:25,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-11-26 00:11:25,703 INFO L420 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:25,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:25,703 INFO L85 PathProgramCache]: Analyzing trace with hash 679954825, now seen corresponding path program 2 times [2022-11-26 00:11:25,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:25,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65861556] [2022-11-26 00:11:25,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:25,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:26,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:26,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:26,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65861556] [2022-11-26 00:11:26,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65861556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:26,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:26,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:11:26,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921198876] [2022-11-26 00:11:26,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:26,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:11:26,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:26,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:11:26,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:11:26,686 INFO L87 Difference]: Start difference. First operand 5548 states and 11043 transitions. Second operand has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:28,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:28,312 INFO L93 Difference]: Finished difference Result 9333 states and 18551 transitions. [2022-11-26 00:11:28,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:11:28,313 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-26 00:11:28,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:28,325 INFO L225 Difference]: With dead ends: 9333 [2022-11-26 00:11:28,325 INFO L226 Difference]: Without dead ends: 9333 [2022-11-26 00:11:28,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:11:28,325 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 356 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:28,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 409 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:11:28,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9333 states. [2022-11-26 00:11:28,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9333 to 5534. [2022-11-26 00:11:28,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5534 states, 5470 states have (on average 2.013711151736746) internal successors, (11015), 5533 states have internal predecessors, (11015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5534 states to 5534 states and 11015 transitions. [2022-11-26 00:11:28,410 INFO L78 Accepts]: Start accepts. Automaton has 5534 states and 11015 transitions. Word has length 33 [2022-11-26 00:11:28,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:28,410 INFO L495 AbstractCegarLoop]: Abstraction has 5534 states and 11015 transitions. [2022-11-26 00:11:28,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:28,410 INFO L276 IsEmpty]: Start isEmpty. Operand 5534 states and 11015 transitions. [2022-11-26 00:11:28,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-26 00:11:28,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:28,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:28,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-11-26 00:11:28,411 INFO L420 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:28,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:28,412 INFO L85 PathProgramCache]: Analyzing trace with hash -757507867, now seen corresponding path program 1 times [2022-11-26 00:11:28,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:28,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815366952] [2022-11-26 00:11:28,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:28,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:28,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:28,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:28,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815366952] [2022-11-26 00:11:28,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815366952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:28,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:28,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:11:28,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996944913] [2022-11-26 00:11:28,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:28,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:11:28,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:28,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:11:28,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:11:28,626 INFO L87 Difference]: Start difference. First operand 5534 states and 11015 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:29,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:29,421 INFO L93 Difference]: Finished difference Result 5803 states and 11549 transitions. [2022-11-26 00:11:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:11:29,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-26 00:11:29,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:29,428 INFO L225 Difference]: With dead ends: 5803 [2022-11-26 00:11:29,429 INFO L226 Difference]: Without dead ends: 5803 [2022-11-26 00:11:29,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:11:29,429 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 100 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:29,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 132 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:11:29,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5803 states. [2022-11-26 00:11:29,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5803 to 5803. [2022-11-26 00:11:29,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5803 states, 5739 states have (on average 2.012371493291514) internal successors, (11549), 5802 states have internal predecessors, (11549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:29,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5803 states and 11549 transitions. [2022-11-26 00:11:29,513 INFO L78 Accepts]: Start accepts. Automaton has 5803 states and 11549 transitions. Word has length 33 [2022-11-26 00:11:29,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:29,513 INFO L495 AbstractCegarLoop]: Abstraction has 5803 states and 11549 transitions. [2022-11-26 00:11:29,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:29,513 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 11549 transitions. [2022-11-26 00:11:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-26 00:11:29,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:29,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:29,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-11-26 00:11:29,514 INFO L420 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:29,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:29,515 INFO L85 PathProgramCache]: Analyzing trace with hash -674651756, now seen corresponding path program 1 times [2022-11-26 00:11:29,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:29,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310370913] [2022-11-26 00:11:29,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:29,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:29,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:29,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310370913] [2022-11-26 00:11:29,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310370913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:29,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:29,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:11:29,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850966182] [2022-11-26 00:11:29,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:29,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:11:29,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:29,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:11:29,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:11:29,792 INFO L87 Difference]: Start difference. First operand 5803 states and 11549 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:30,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:30,755 INFO L93 Difference]: Finished difference Result 6113 states and 12168 transitions. [2022-11-26 00:11:30,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:11:30,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-26 00:11:30,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:30,763 INFO L225 Difference]: With dead ends: 6113 [2022-11-26 00:11:30,763 INFO L226 Difference]: Without dead ends: 6113 [2022-11-26 00:11:30,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:11:30,763 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 128 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:30,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 138 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:11:30,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6113 states. [2022-11-26 00:11:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6113 to 6113. [2022-11-26 00:11:30,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6113 states, 6049 states have (on average 2.011572160687717) internal successors, (12168), 6112 states have internal predecessors, (12168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6113 states to 6113 states and 12168 transitions. [2022-11-26 00:11:30,835 INFO L78 Accepts]: Start accepts. Automaton has 6113 states and 12168 transitions. Word has length 34 [2022-11-26 00:11:30,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:30,835 INFO L495 AbstractCegarLoop]: Abstraction has 6113 states and 12168 transitions. [2022-11-26 00:11:30,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 6113 states and 12168 transitions. [2022-11-26 00:11:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-26 00:11:30,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:30,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:30,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-11-26 00:11:30,836 INFO L420 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:30,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:30,837 INFO L85 PathProgramCache]: Analyzing trace with hash -922445147, now seen corresponding path program 1 times [2022-11-26 00:11:30,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:30,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292295642] [2022-11-26 00:11:30,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:30,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:31,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:31,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292295642] [2022-11-26 00:11:31,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292295642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:31,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:31,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:11:31,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364688109] [2022-11-26 00:11:31,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:31,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:11:31,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:31,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:11:31,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:11:31,203 INFO L87 Difference]: Start difference. First operand 6113 states and 12168 transitions. Second operand has 11 states, 10 states have (on average 3.6) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:33,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:33,281 INFO L93 Difference]: Finished difference Result 13111 states and 26022 transitions. [2022-11-26 00:11:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:11:33,281 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-26 00:11:33,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:33,301 INFO L225 Difference]: With dead ends: 13111 [2022-11-26 00:11:33,301 INFO L226 Difference]: Without dead ends: 13111 [2022-11-26 00:11:33,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:11:33,301 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 669 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 1935 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:33,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 714 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1935 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:11:33,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13111 states. [2022-11-26 00:11:33,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13111 to 6277. [2022-11-26 00:11:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6277 states, 6213 states have (on average 2.0112666988572347) internal successors, (12496), 6276 states have internal predecessors, (12496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:33,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 12496 transitions. [2022-11-26 00:11:33,479 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 12496 transitions. Word has length 36 [2022-11-26 00:11:33,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:33,479 INFO L495 AbstractCegarLoop]: Abstraction has 6277 states and 12496 transitions. [2022-11-26 00:11:33,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 12496 transitions. [2022-11-26 00:11:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-26 00:11:33,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:33,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:33,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-11-26 00:11:33,481 INFO L420 AbstractCegarLoop]: === Iteration 175 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:33,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:33,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1912919921, now seen corresponding path program 2 times [2022-11-26 00:11:33,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:33,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600298736] [2022-11-26 00:11:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:33,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:34,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:34,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600298736] [2022-11-26 00:11:34,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600298736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:34,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:34,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:11:34,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030206362] [2022-11-26 00:11:34,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:34,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:11:34,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:34,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:11:34,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:11:34,012 INFO L87 Difference]: Start difference. First operand 6277 states and 12496 transitions. Second operand has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:36,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:36,316 INFO L93 Difference]: Finished difference Result 13207 states and 26214 transitions. [2022-11-26 00:11:36,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:11:36,317 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-26 00:11:36,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:36,338 INFO L225 Difference]: With dead ends: 13207 [2022-11-26 00:11:36,338 INFO L226 Difference]: Without dead ends: 13207 [2022-11-26 00:11:36,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:11:36,339 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 808 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 2024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:36,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 652 Invalid, 2024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:11:36,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13207 states. [2022-11-26 00:11:36,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13207 to 6278. [2022-11-26 00:11:36,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6278 states, 6214 states have (on average 2.0112648857418733) internal successors, (12498), 6277 states have internal predecessors, (12498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6278 states to 6278 states and 12498 transitions. [2022-11-26 00:11:36,470 INFO L78 Accepts]: Start accepts. Automaton has 6278 states and 12498 transitions. Word has length 36 [2022-11-26 00:11:36,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:36,470 INFO L495 AbstractCegarLoop]: Abstraction has 6278 states and 12498 transitions. [2022-11-26 00:11:36,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 6278 states and 12498 transitions. [2022-11-26 00:11:36,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-26 00:11:36,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:36,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:36,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-11-26 00:11:36,472 INFO L420 AbstractCegarLoop]: === Iteration 176 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:36,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:36,473 INFO L85 PathProgramCache]: Analyzing trace with hash -2093923327, now seen corresponding path program 3 times [2022-11-26 00:11:36,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:36,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177114178] [2022-11-26 00:11:36,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:36,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:37,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:37,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:37,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177114178] [2022-11-26 00:11:37,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177114178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:37,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:37,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:11:37,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607759994] [2022-11-26 00:11:37,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:37,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:11:37,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:37,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:11:37,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:11:37,327 INFO L87 Difference]: Start difference. First operand 6278 states and 12498 transitions. Second operand has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:39,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:39,862 INFO L93 Difference]: Finished difference Result 13264 states and 26328 transitions. [2022-11-26 00:11:39,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:11:39,862 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-26 00:11:39,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:39,880 INFO L225 Difference]: With dead ends: 13264 [2022-11-26 00:11:39,881 INFO L226 Difference]: Without dead ends: 13264 [2022-11-26 00:11:39,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:11:39,881 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 801 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:39,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 665 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2191 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:11:39,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13264 states. [2022-11-26 00:11:39,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13264 to 6280. [2022-11-26 00:11:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6280 states, 6216 states have (on average 2.0112612612612613) internal successors, (12502), 6279 states have internal predecessors, (12502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6280 states to 6280 states and 12502 transitions. [2022-11-26 00:11:39,991 INFO L78 Accepts]: Start accepts. Automaton has 6280 states and 12502 transitions. Word has length 36 [2022-11-26 00:11:39,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:39,991 INFO L495 AbstractCegarLoop]: Abstraction has 6280 states and 12502 transitions. [2022-11-26 00:11:39,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:11:39,991 INFO L276 IsEmpty]: Start isEmpty. Operand 6280 states and 12502 transitions. [2022-11-26 00:11:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-26 00:11:39,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:39,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:11:39,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-11-26 00:11:39,993 INFO L420 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-26 00:11:39,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:39,993 INFO L85 PathProgramCache]: Analyzing trace with hash 450279729, now seen corresponding path program 4 times [2022-11-26 00:11:39,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:39,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924679081] [2022-11-26 00:11:39,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:39,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:11:40,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:40,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924679081] [2022-11-26 00:11:40,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924679081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:40,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:40,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:11:40,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374724132] [2022-11-26 00:11:40,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:40,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:11:40,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:40,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:11:40,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:11:40,783 INFO L87 Difference]: Start difference. First operand 6280 states and 12502 transitions. Second operand has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)