./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/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_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs --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 --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:20:30,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:20:30,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:20:30,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:20:30,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:20:30,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:20:30,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:20:30,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:20:30,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:20:30,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:20:30,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:20:30,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:20:30,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:20:30,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:20:30,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:20:30,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:20:30,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:20:30,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:20:30,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:20:30,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:20:30,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:20:30,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:20:30,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:20:30,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:20:30,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:20:30,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:20:30,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:20:30,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:20:30,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:20:30,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:20:30,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:20:30,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:20:30,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:20:30,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:20:30,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:20:30,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:20:30,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:20:30,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:20:30,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:20:30,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:20:30,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:20:30,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-19 13:20:30,287 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:20:30,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:20:30,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:20:30,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:20:30,292 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:20:30,293 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:20:30,293 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:20:30,293 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:20:30,294 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:20:30,294 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:20:30,295 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:20:30,296 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:20:30,296 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:20:30,296 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:20:30,297 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:20:30,297 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:20:30,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:20:30,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:20:30,299 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 13:20:30,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:20:30,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:20:30,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:20:30,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:20:30,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:20:30,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:20:30,301 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 13:20:30,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:20:30,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:20:30,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:20:30,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:20:30,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:20:30,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:20:30,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:20:30,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:20:30,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:20:30,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:20:30,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:20:30,307 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:20:30,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:20:30,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:20:30,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:20:30,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:20:30,308 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 [2021-11-19 13:20:30,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:20:30,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:20:30,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:20:30,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:20:30,769 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:20:30,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2021-11-19 13:20:30,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/data/b8efd4287/aa8a22889c9f4457a6f971f6fa180368/FLAGf4e6824ed [2021-11-19 13:20:31,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:20:31,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2021-11-19 13:20:31,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/data/b8efd4287/aa8a22889c9f4457a6f971f6fa180368/FLAGf4e6824ed [2021-11-19 13:20:31,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/data/b8efd4287/aa8a22889c9f4457a6f971f6fa180368 [2021-11-19 13:20:31,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:20:31,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:20:31,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:20:31,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:20:31,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:20:31,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:20:31" (1/1) ... [2021-11-19 13:20:31,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f051a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:31, skipping insertion in model container [2021-11-19 13:20:31,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:20:31" (1/1) ... [2021-11-19 13:20:31,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:20:31,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:20:32,732 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:20:32,748 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:20:32,852 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:20:32,963 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:20:32,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32 WrapperNode [2021-11-19 13:20:32,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:20:32,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:20:32,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:20:32,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:20:32,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (1/1) ... [2021-11-19 13:20:33,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (1/1) ... [2021-11-19 13:20:33,134 INFO L137 Inliner]: procedures = 370, calls = 51, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 238 [2021-11-19 13:20:33,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:20:33,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:20:33,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:20:33,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:20:33,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (1/1) ... [2021-11-19 13:20:33,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (1/1) ... [2021-11-19 13:20:33,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (1/1) ... [2021-11-19 13:20:33,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (1/1) ... [2021-11-19 13:20:33,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (1/1) ... [2021-11-19 13:20:33,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (1/1) ... [2021-11-19 13:20:33,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (1/1) ... [2021-11-19 13:20:33,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:20:33,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:20:33,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:20:33,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:20:33,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (1/1) ... [2021-11-19 13:20:33,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:20:33,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:20:33,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:20:33,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d54e4d-6808-4d09-8dd8-f7faaf02ced5/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:20:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:20:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:20:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:20:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:20:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 13:20:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 13:20:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 13:20:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:20:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:20:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:20:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-19 13:20:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-19 13:20:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 13:20:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:20:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:20:33,361 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 13:20:33,557 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:20:33,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:20:34,317 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:20:34,331 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:20:34,332 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 13:20:34,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:20:34 BoogieIcfgContainer [2021-11-19 13:20:34,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:20:34,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:20:34,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:20:34,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:20:34,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:20:31" (1/3) ... [2021-11-19 13:20:34,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fc23c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:20:34, skipping insertion in model container [2021-11-19 13:20:34,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:20:32" (2/3) ... [2021-11-19 13:20:34,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fc23c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:20:34, skipping insertion in model container [2021-11-19 13:20:34,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:20:34" (3/3) ... [2021-11-19 13:20:34,347 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.i [2021-11-19 13:20:34,354 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 13:20:34,354 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:20:34,354 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2021-11-19 13:20:34,355 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 13:20:34,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:20:34,562 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 13:20:34,618 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:20:34,627 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:20:34,627 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-19 13:20:34,648 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-19 13:20:34,664 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 278 places, 276 transitions, 557 flow [2021-11-19 13:20:34,667 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 278 places, 276 transitions, 557 flow [2021-11-19 13:20:34,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 278 places, 276 transitions, 557 flow [2021-11-19 13:20:34,830 INFO L129 PetriNetUnfolder]: 2/275 cut-off events. [2021-11-19 13:20:34,830 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 13:20:34,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 275 events. 2/275 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. 0/253 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2021-11-19 13:20:34,864 INFO L116 LiptonReduction]: Number of co-enabled transitions 19488 [2021-11-19 13:20:55,466 WARN L227 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 112 DAG size of output: 109 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-19 13:21:03,033 WARN L227 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 112 DAG size of output: 109 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-19 13:21:31,243 WARN L227 SmtUtils]: Spent 23.00s on a formula simplification that was a NOOP. DAG size: 246 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-19 13:21:38,927 WARN L227 SmtUtils]: Spent 7.68s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-19 13:22:02,311 WARN L227 SmtUtils]: Spent 23.38s on a formula simplification that was a NOOP. DAG size: 246 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-19 13:22:24,518 WARN L227 SmtUtils]: Spent 22.20s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-19 13:22:24,526 INFO L131 LiptonReduction]: Checked pairs total: 142676 [2021-11-19 13:22:24,526 INFO L133 LiptonReduction]: Total number of compositions: 169 [2021-11-19 13:22:24,536 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133 places, 131 transitions, 267 flow [2021-11-19 13:22:24,674 INFO L133 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) [2021-11-19 13:22:24,690 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) [2021-11-19 13:22:24,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-19 13:22:24,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:24,697 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-19 13:22:24,698 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:24,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:24,704 INFO L85 PathProgramCache]: Analyzing trace with hash 849, now seen corresponding path program 1 times [2021-11-19 13:22:24,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:24,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658325539] [2021-11-19 13:22:24,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:24,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:24,862 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:24,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658325539] [2021-11-19 13:22:24,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658325539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:24,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:24,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-19 13:22:24,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675935451] [2021-11-19 13:22:24,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:24,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 13:22:24,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:24,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 13:22:24,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:22:24,914 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) [2021-11-19 13:22:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:25,166 INFO L93 Difference]: Finished difference Result 3791 states and 7511 transitions. [2021-11-19 13:22:25,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 13:22:25,169 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 [2021-11-19 13:22:25,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:25,217 INFO L225 Difference]: With dead ends: 3791 [2021-11-19 13:22:25,217 INFO L226 Difference]: Without dead ends: 3791 [2021-11-19 13:22:25,218 INFO L932 BasicCegarLoop]: 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 [2021-11-19 13:22:25,223 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:25,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:22:25,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2021-11-19 13:22:25,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3791. [2021-11-19 13:22:25,519 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) [2021-11-19 13:22:25,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 7511 transitions. [2021-11-19 13:22:25,542 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 7511 transitions. Word has length 1 [2021-11-19 13:22:25,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:25,543 INFO L470 AbstractCegarLoop]: Abstraction has 3791 states and 7511 transitions. [2021-11-19 13:22:25,543 INFO L471 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) [2021-11-19 13:22:25,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 7511 transitions. [2021-11-19 13:22:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-19 13:22:25,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:25,544 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:25,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 13:22:25,545 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:25,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:25,549 INFO L85 PathProgramCache]: Analyzing trace with hash 859458955, now seen corresponding path program 1 times [2021-11-19 13:22:25,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:25,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783065166] [2021-11-19 13:22:25,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:25,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:25,996 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:25,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783065166] [2021-11-19 13:22:25,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783065166] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:25,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:25,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:22:25,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672537244] [2021-11-19 13:22:25,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:25,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:22:26,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:26,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:22:26,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:22:26,001 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) [2021-11-19 13:22:27,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:27,859 INFO L93 Difference]: Finished difference Result 4048 states and 8020 transitions. [2021-11-19 13:22:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:22:27,860 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 [2021-11-19 13:22:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:27,897 INFO L225 Difference]: With dead ends: 4048 [2021-11-19 13:22:27,897 INFO L226 Difference]: Without dead ends: 4048 [2021-11-19 13:22:27,898 INFO L932 BasicCegarLoop]: 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 [2021-11-19 13:22:27,899 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 105 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:27,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 102 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 13:22:27,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4048 states. [2021-11-19 13:22:28,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4048 to 3996. [2021-11-19 13:22:28,094 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) [2021-11-19 13:22:28,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3996 states and 7917 transitions. [2021-11-19 13:22:28,119 INFO L78 Accepts]: Start accepts. Automaton has 3996 states and 7917 transitions. Word has length 8 [2021-11-19 13:22:28,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:28,120 INFO L470 AbstractCegarLoop]: Abstraction has 3996 states and 7917 transitions. [2021-11-19 13:22:28,120 INFO L471 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) [2021-11-19 13:22:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3996 states and 7917 transitions. [2021-11-19 13:22:28,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 13:22:28,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:28,122 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:28,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 13:22:28,122 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:28,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:28,123 INFO L85 PathProgramCache]: Analyzing trace with hash 485596376, now seen corresponding path program 1 times [2021-11-19 13:22:28,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:28,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534342408] [2021-11-19 13:22:28,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:28,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:28,314 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:28,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534342408] [2021-11-19 13:22:28,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534342408] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:28,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:28,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:22:28,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351802543] [2021-11-19 13:22:28,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:28,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:22:28,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:28,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:22:28,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:22:28,316 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) [2021-11-19 13:22:29,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:29,983 INFO L93 Difference]: Finished difference Result 4331 states and 8587 transitions. [2021-11-19 13:22:29,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:22:29,984 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 [2021-11-19 13:22:29,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:30,023 INFO L225 Difference]: With dead ends: 4331 [2021-11-19 13:22:30,023 INFO L226 Difference]: Without dead ends: 4331 [2021-11-19 13:22:30,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:22:30,025 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 133 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:30,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 124 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 13:22:30,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2021-11-19 13:22:30,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 4261. [2021-11-19 13:22:30,224 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) [2021-11-19 13:22:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 8447 transitions. [2021-11-19 13:22:30,248 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 8447 transitions. Word has length 9 [2021-11-19 13:22:30,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:30,248 INFO L470 AbstractCegarLoop]: Abstraction has 4261 states and 8447 transitions. [2021-11-19 13:22:30,249 INFO L471 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) [2021-11-19 13:22:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 8447 transitions. [2021-11-19 13:22:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:22:30,250 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:30,250 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:30,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 13:22:30,251 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:30,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:30,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1668277594, now seen corresponding path program 1 times [2021-11-19 13:22:30,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:30,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152967577] [2021-11-19 13:22:30,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:30,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:30,523 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:30,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152967577] [2021-11-19 13:22:30,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152967577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:30,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:30,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:22:30,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724742006] [2021-11-19 13:22:30,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:30,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:22:30,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:30,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:22:30,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:22:30,526 INFO L87 Difference]: Start difference. First operand 4261 states and 8447 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:33,670 INFO L93 Difference]: Finished difference Result 8503 states and 16859 transitions. [2021-11-19 13:22:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 13:22:33,671 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-19 13:22:33,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:33,775 INFO L225 Difference]: With dead ends: 8503 [2021-11-19 13:22:33,775 INFO L226 Difference]: Without dead ends: 8503 [2021-11-19 13:22:33,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:22:33,777 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 672 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:33,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [672 Valid, 383 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:22:33,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8503 states. [2021-11-19 13:22:33,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8503 to 4337. [2021-11-19 13:22:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4337 states, 4258 states have (on average 2.0204321277595114) internal successors, (8603), 4336 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:22:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 8603 transitions. [2021-11-19 13:22:33,991 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 8603 transitions. Word has length 11 [2021-11-19 13:22:33,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:33,991 INFO L470 AbstractCegarLoop]: Abstraction has 4337 states and 8603 transitions. [2021-11-19 13:22:33,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 8603 transitions. [2021-11-19 13:22:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:22:33,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:33,994 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:33,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 13:22:33,995 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:33,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:33,995 INFO L85 PathProgramCache]: Analyzing trace with hash 765254497, now seen corresponding path program 1 times [2021-11-19 13:22:33,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:33,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278880899] [2021-11-19 13:22:33,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:33,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:34,200 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:34,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278880899] [2021-11-19 13:22:34,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278880899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:34,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:34,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:22:34,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894416317] [2021-11-19 13:22:34,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:34,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:22:34,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:34,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:22:34,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:22:34,202 INFO L87 Difference]: Start difference. First operand 4337 states and 8603 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:37,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:37,015 INFO L93 Difference]: Finished difference Result 8455 states and 16757 transitions. [2021-11-19 13:22:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:22:37,016 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-19 13:22:37,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:37,076 INFO L225 Difference]: With dead ends: 8455 [2021-11-19 13:22:37,076 INFO L226 Difference]: Without dead ends: 8455 [2021-11-19 13:22:37,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2021-11-19 13:22:37,080 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 738 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 1597 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:37,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [738 Valid, 343 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1597 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 13:22:37,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8455 states. [2021-11-19 13:22:37,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8455 to 4435. [2021-11-19 13:22:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4435 states, 4356 states have (on average 2.0220385674931127) internal successors, (8808), 4434 states have internal predecessors, (8808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:22:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4435 states to 4435 states and 8808 transitions. [2021-11-19 13:22:37,343 INFO L78 Accepts]: Start accepts. Automaton has 4435 states and 8808 transitions. Word has length 11 [2021-11-19 13:22:37,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:37,343 INFO L470 AbstractCegarLoop]: Abstraction has 4435 states and 8808 transitions. [2021-11-19 13:22:37,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:37,345 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 8808 transitions. [2021-11-19 13:22:37,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:22:37,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:37,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:37,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 13:22:37,354 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:37,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:37,355 INFO L85 PathProgramCache]: Analyzing trace with hash -167622786, now seen corresponding path program 2 times [2021-11-19 13:22:37,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:37,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675408987] [2021-11-19 13:22:37,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:37,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:37,737 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:37,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675408987] [2021-11-19 13:22:37,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675408987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:37,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:37,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:22:37,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427602136] [2021-11-19 13:22:37,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:37,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:22:37,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:37,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:22:37,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:22:37,740 INFO L87 Difference]: Start difference. First operand 4435 states and 8808 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:41,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:41,433 INFO L93 Difference]: Finished difference Result 12542 states and 24813 transitions. [2021-11-19 13:22:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:22:41,437 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-19 13:22:41,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:41,496 INFO L225 Difference]: With dead ends: 12542 [2021-11-19 13:22:41,496 INFO L226 Difference]: Without dead ends: 12542 [2021-11-19 13:22:41,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:22:41,499 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 749 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:41,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [749 Valid, 635 Invalid, 2272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2192 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 13:22:41,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12542 states. [2021-11-19 13:22:41,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12542 to 4471. [2021-11-19 13:22:41,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4471 states, 4392 states have (on average 2.022768670309654) internal successors, (8884), 4470 states have internal predecessors, (8884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:22:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4471 states to 4471 states and 8884 transitions. [2021-11-19 13:22:41,888 INFO L78 Accepts]: Start accepts. Automaton has 4471 states and 8884 transitions. Word has length 11 [2021-11-19 13:22:41,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:41,888 INFO L470 AbstractCegarLoop]: Abstraction has 4471 states and 8884 transitions. [2021-11-19 13:22:41,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:41,889 INFO L276 IsEmpty]: Start isEmpty. Operand 4471 states and 8884 transitions. [2021-11-19 13:22:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:22:41,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:41,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:41,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 13:22:41,893 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:41,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:41,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1070645883, now seen corresponding path program 2 times [2021-11-19 13:22:41,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:41,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002526871] [2021-11-19 13:22:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:41,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:42,169 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:42,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002526871] [2021-11-19 13:22:42,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002526871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:42,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:42,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:22:42,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933897942] [2021-11-19 13:22:42,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:42,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:22:42,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:42,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:22:42,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:22:42,172 INFO L87 Difference]: Start difference. First operand 4471 states and 8884 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:45,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:45,544 INFO L93 Difference]: Finished difference Result 12648 states and 25010 transitions. [2021-11-19 13:22:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:22:45,544 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-19 13:22:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:45,589 INFO L225 Difference]: With dead ends: 12648 [2021-11-19 13:22:45,589 INFO L226 Difference]: Without dead ends: 12648 [2021-11-19 13:22:45,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2021-11-19 13:22:45,591 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 696 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 2750 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 2886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:45,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [696 Valid, 588 Invalid, 2886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2750 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 13:22:45,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12648 states. [2021-11-19 13:22:45,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12648 to 4336. [2021-11-19 13:22:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4336 states, 4257 states have (on average 2.019497298567066) internal successors, (8597), 4335 states have internal predecessors, (8597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:22:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 8597 transitions. [2021-11-19 13:22:45,817 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 8597 transitions. Word has length 11 [2021-11-19 13:22:45,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:45,818 INFO L470 AbstractCegarLoop]: Abstraction has 4336 states and 8597 transitions. [2021-11-19 13:22:45,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 8597 transitions. [2021-11-19 13:22:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:22:45,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:45,820 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:45,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 13:22:45,820 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:45,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:45,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1493079856, now seen corresponding path program 3 times [2021-11-19 13:22:45,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:45,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856613462] [2021-11-19 13:22:45,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:45,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:46,128 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:46,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856613462] [2021-11-19 13:22:46,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856613462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:46,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:46,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:22:46,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84079810] [2021-11-19 13:22:46,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:46,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:22:46,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:46,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:22:46,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:22:46,130 INFO L87 Difference]: Start difference. First operand 4336 states and 8597 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:49,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:49,036 INFO L93 Difference]: Finished difference Result 4548 states and 8968 transitions. [2021-11-19 13:22:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 13:22:49,037 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-19 13:22:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:49,049 INFO L225 Difference]: With dead ends: 4548 [2021-11-19 13:22:49,049 INFO L226 Difference]: Without dead ends: 4548 [2021-11-19 13:22:49,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2021-11-19 13:22:49,050 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 372 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 2283 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 2328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:49,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 448 Invalid, 2328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2283 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 13:22:49,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4548 states. [2021-11-19 13:22:49,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4548 to 4341. [2021-11-19 13:22:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4341 states, 4262 states have (on average 2.0194744251525107) internal successors, (8607), 4340 states have internal predecessors, (8607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:22:49,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 4341 states and 8607 transitions. [2021-11-19 13:22:49,164 INFO L78 Accepts]: Start accepts. Automaton has 4341 states and 8607 transitions. Word has length 11 [2021-11-19 13:22:49,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:49,164 INFO L470 AbstractCegarLoop]: Abstraction has 4341 states and 8607 transitions. [2021-11-19 13:22:49,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:49,165 INFO L276 IsEmpty]: Start isEmpty. Operand 4341 states and 8607 transitions. [2021-11-19 13:22:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:22:49,166 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:49,166 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:49,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 13:22:49,166 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:49,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:49,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1486564276, now seen corresponding path program 4 times [2021-11-19 13:22:49,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:49,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960517673] [2021-11-19 13:22:49,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:49,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:49,431 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:49,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960517673] [2021-11-19 13:22:49,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960517673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:49,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:49,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:22:49,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199341534] [2021-11-19 13:22:49,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:49,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:22:49,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:49,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:22:49,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:22:49,433 INFO L87 Difference]: Start difference. First operand 4341 states and 8607 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:52,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:52,187 INFO L93 Difference]: Finished difference Result 4588 states and 9048 transitions. [2021-11-19 13:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:22:52,187 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-19 13:22:52,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:52,199 INFO L225 Difference]: With dead ends: 4588 [2021-11-19 13:22:52,200 INFO L226 Difference]: Without dead ends: 4588 [2021-11-19 13:22:52,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:22:52,201 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 384 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:52,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 435 Invalid, 2071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 13:22:52,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4588 states. [2021-11-19 13:22:52,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4588 to 4350. [2021-11-19 13:22:52,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4350 states, 4271 states have (on average 2.0196675251697496) internal successors, (8626), 4349 states have internal predecessors, (8626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:22:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4350 states to 4350 states and 8626 transitions. [2021-11-19 13:22:52,323 INFO L78 Accepts]: Start accepts. Automaton has 4350 states and 8626 transitions. Word has length 11 [2021-11-19 13:22:52,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:52,324 INFO L470 AbstractCegarLoop]: Abstraction has 4350 states and 8626 transitions. [2021-11-19 13:22:52,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4350 states and 8626 transitions. [2021-11-19 13:22:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:22:52,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:52,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:52,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 13:22:52,326 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:52,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:52,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1283687566, now seen corresponding path program 5 times [2021-11-19 13:22:52,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:52,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530228109] [2021-11-19 13:22:52,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:52,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:52,564 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:52,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530228109] [2021-11-19 13:22:52,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530228109] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:52,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:52,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:22:52,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616270451] [2021-11-19 13:22:52,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:52,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:22:52,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:52,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:22:52,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:22:52,567 INFO L87 Difference]: Start difference. First operand 4350 states and 8626 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:55,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:55,262 INFO L93 Difference]: Finished difference Result 4627 states and 9127 transitions. [2021-11-19 13:22:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:22:55,263 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-19 13:22:55,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:55,270 INFO L225 Difference]: With dead ends: 4627 [2021-11-19 13:22:55,270 INFO L226 Difference]: Without dead ends: 4627 [2021-11-19 13:22:55,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:22:55,271 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 363 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:55,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 424 Invalid, 2060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 13:22:55,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4627 states. [2021-11-19 13:22:55,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4627 to 4359. [2021-11-19 13:22:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4359 states, 4280 states have (on average 2.0198598130841123) internal successors, (8645), 4358 states have internal predecessors, (8645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:22:55,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4359 states to 4359 states and 8645 transitions. [2021-11-19 13:22:55,421 INFO L78 Accepts]: Start accepts. Automaton has 4359 states and 8645 transitions. Word has length 11 [2021-11-19 13:22:55,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:55,422 INFO L470 AbstractCegarLoop]: Abstraction has 4359 states and 8645 transitions. [2021-11-19 13:22:55,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 4359 states and 8645 transitions. [2021-11-19 13:22:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:22:55,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:55,423 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:55,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 13:22:55,424 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:55,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:55,424 INFO L85 PathProgramCache]: Analyzing trace with hash 738228778, now seen corresponding path program 6 times [2021-11-19 13:22:55,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:55,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864799234] [2021-11-19 13:22:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:55,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:55,680 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:55,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864799234] [2021-11-19 13:22:55,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864799234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:55,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:55,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:22:55,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252862032] [2021-11-19 13:22:55,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:55,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:22:55,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:55,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:22:55,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:22:55,682 INFO L87 Difference]: Start difference. First operand 4359 states and 8645 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:57,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:22:57,855 INFO L93 Difference]: Finished difference Result 4667 states and 9207 transitions. [2021-11-19 13:22:57,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:22:57,855 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-19 13:22:57,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:22:57,865 INFO L225 Difference]: With dead ends: 4667 [2021-11-19 13:22:57,865 INFO L226 Difference]: Without dead ends: 4667 [2021-11-19 13:22:57,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:22:57,866 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 333 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:22:57,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 416 Invalid, 1908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 13:22:57,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4667 states. [2021-11-19 13:22:57,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4667 to 4368. [2021-11-19 13:22:57,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4368 states, 4289 states have (on average 2.0200512940079274) internal successors, (8664), 4367 states have internal predecessors, (8664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:22:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4368 states to 4368 states and 8664 transitions. [2021-11-19 13:22:57,970 INFO L78 Accepts]: Start accepts. Automaton has 4368 states and 8664 transitions. Word has length 11 [2021-11-19 13:22:57,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:22:57,970 INFO L470 AbstractCegarLoop]: Abstraction has 4368 states and 8664 transitions. [2021-11-19 13:22:57,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:22:57,971 INFO L276 IsEmpty]: Start isEmpty. Operand 4368 states and 8664 transitions. [2021-11-19 13:22:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:22:57,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:22:57,971 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:22:57,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 13:22:57,972 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:22:57,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:22:57,972 INFO L85 PathProgramCache]: Analyzing trace with hash -130754734, now seen corresponding path program 7 times [2021-11-19 13:22:57,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:22:57,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312251137] [2021-11-19 13:22:57,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:22:57,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:22:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:22:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:22:58,168 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:22:58,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312251137] [2021-11-19 13:22:58,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312251137] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:22:58,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:22:58,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:22:58,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887730504] [2021-11-19 13:22:58,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:22:58,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:22:58,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:22:58,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:22:58,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:22:58,170 INFO L87 Difference]: Start difference. First operand 4368 states and 8664 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:23:00,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:00,843 INFO L93 Difference]: Finished difference Result 8409 states and 16619 transitions. [2021-11-19 13:23:00,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 13:23:00,843 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-19 13:23:00,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:00,886 INFO L225 Difference]: With dead ends: 8409 [2021-11-19 13:23:00,886 INFO L226 Difference]: Without dead ends: 8409 [2021-11-19 13:23:00,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:23:00,887 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 564 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 2543 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:00,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [564 Valid, 675 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 2543 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 13:23:00,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8409 states. [2021-11-19 13:23:01,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8409 to 4233. [2021-11-19 13:23:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4233 states, 4156 states have (on average 2.0190086621751684) internal successors, (8391), 4232 states have internal predecessors, (8391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:01,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 4233 states and 8391 transitions. [2021-11-19 13:23:01,043 INFO L78 Accepts]: Start accepts. Automaton has 4233 states and 8391 transitions. Word has length 11 [2021-11-19 13:23:01,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:01,044 INFO L470 AbstractCegarLoop]: Abstraction has 4233 states and 8391 transitions. [2021-11-19 13:23:01,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:23:01,044 INFO L276 IsEmpty]: Start isEmpty. Operand 4233 states and 8391 transitions. [2021-11-19 13:23:01,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:23:01,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:01,045 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:01,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 13:23:01,046 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:01,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:01,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1033777831, now seen corresponding path program 3 times [2021-11-19 13:23:01,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:01,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946929959] [2021-11-19 13:23:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:01,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:01,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:01,233 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:01,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946929959] [2021-11-19 13:23:01,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946929959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:01,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:01,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:01,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456041595] [2021-11-19 13:23:01,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:01,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:23:01,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:01,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:23:01,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:23:01,235 INFO L87 Difference]: Start difference. First operand 4233 states and 8391 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:23:03,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:03,854 INFO L93 Difference]: Finished difference Result 8399 states and 16589 transitions. [2021-11-19 13:23:03,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 13:23:03,855 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-19 13:23:03,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:03,866 INFO L225 Difference]: With dead ends: 8399 [2021-11-19 13:23:03,866 INFO L226 Difference]: Without dead ends: 8399 [2021-11-19 13:23:03,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:23:03,867 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 536 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 2498 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:03,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [536 Valid, 604 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2498 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 13:23:03,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8399 states. [2021-11-19 13:23:03,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8399 to 4113. [2021-11-19 13:23:03,984 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) [2021-11-19 13:23:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 8151 transitions. [2021-11-19 13:23:03,995 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 8151 transitions. Word has length 11 [2021-11-19 13:23:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:03,996 INFO L470 AbstractCegarLoop]: Abstraction has 4113 states and 8151 transitions. [2021-11-19 13:23:03,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-19 13:23:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 8151 transitions. [2021-11-19 13:23:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 13:23:03,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:03,997 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:03,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-19 13:23:03,998 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:03,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:03,998 INFO L85 PathProgramCache]: Analyzing trace with hash 2122511246, now seen corresponding path program 1 times [2021-11-19 13:23:03,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:03,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485036748] [2021-11-19 13:23:03,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:03,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:04,111 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:04,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485036748] [2021-11-19 13:23:04,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485036748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:04,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:04,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:23:04,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915083109] [2021-11-19 13:23:04,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:04,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:23:04,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:04,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:23:04,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:23:04,113 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) [2021-11-19 13:23:05,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:05,211 INFO L93 Difference]: Finished difference Result 4314 states and 8549 transitions. [2021-11-19 13:23:05,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:23:05,212 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 [2021-11-19 13:23:05,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:05,219 INFO L225 Difference]: With dead ends: 4314 [2021-11-19 13:23:05,219 INFO L226 Difference]: Without dead ends: 4314 [2021-11-19 13:23:05,219 INFO L932 BasicCegarLoop]: 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 [2021-11-19 13:23:05,220 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 100 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:05,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 93 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-19 13:23:05,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2021-11-19 13:23:05,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 4314. [2021-11-19 13:23:05,335 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) [2021-11-19 13:23:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4314 states to 4314 states and 8549 transitions. [2021-11-19 13:23:05,351 INFO L78 Accepts]: Start accepts. Automaton has 4314 states and 8549 transitions. Word has length 14 [2021-11-19 13:23:05,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:05,351 INFO L470 AbstractCegarLoop]: Abstraction has 4314 states and 8549 transitions. [2021-11-19 13:23:05,351 INFO L471 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) [2021-11-19 13:23:05,352 INFO L276 IsEmpty]: Start isEmpty. Operand 4314 states and 8549 transitions. [2021-11-19 13:23:05,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 13:23:05,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:05,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:05,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-19 13:23:05,353 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:05,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:05,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1756716633, now seen corresponding path program 1 times [2021-11-19 13:23:05,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:05,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945787195] [2021-11-19 13:23:05,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:05,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:05,481 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:05,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945787195] [2021-11-19 13:23:05,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945787195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:05,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:05,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:23:05,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828148068] [2021-11-19 13:23:05,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:05,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:23:05,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:05,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:23:05,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:23:05,483 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) [2021-11-19 13:23:06,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:06,848 INFO L93 Difference]: Finished difference Result 4575 states and 9071 transitions. [2021-11-19 13:23:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:23:06,849 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 [2021-11-19 13:23:06,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:06,856 INFO L225 Difference]: With dead ends: 4575 [2021-11-19 13:23:06,856 INFO L226 Difference]: Without dead ends: 4575 [2021-11-19 13:23:06,857 INFO L932 BasicCegarLoop]: 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 [2021-11-19 13:23:06,857 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 128 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:06,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 117 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-19 13:23:06,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2021-11-19 13:23:06,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4575. [2021-11-19 13:23:06,950 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) [2021-11-19 13:23:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 9071 transitions. [2021-11-19 13:23:06,963 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 9071 transitions. Word has length 15 [2021-11-19 13:23:06,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:06,963 INFO L470 AbstractCegarLoop]: Abstraction has 4575 states and 9071 transitions. [2021-11-19 13:23:06,964 INFO L471 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) [2021-11-19 13:23:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 9071 transitions. [2021-11-19 13:23:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:23:06,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:06,965 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:06,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-19 13:23:06,966 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:06,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:06,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1996097315, now seen corresponding path program 1 times [2021-11-19 13:23:06,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:06,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694121993] [2021-11-19 13:23:06,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:06,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:07,203 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:07,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694121993] [2021-11-19 13:23:07,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694121993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:07,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:07,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:07,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382395652] [2021-11-19 13:23:07,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:07,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:23:07,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:07,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:23:07,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:23:07,206 INFO L87 Difference]: Start difference. First operand 4575 states and 9071 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:09,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:09,838 INFO L93 Difference]: Finished difference Result 9012 states and 17869 transitions. [2021-11-19 13:23:09,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 13:23:09,838 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 [2021-11-19 13:23:09,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:09,858 INFO L225 Difference]: With dead ends: 9012 [2021-11-19 13:23:09,859 INFO L226 Difference]: Without dead ends: 9012 [2021-11-19 13:23:09,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:23:09,860 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 649 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:09,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [649 Valid, 380 Invalid, 1925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 13:23:09,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9012 states. [2021-11-19 13:23:09,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9012 to 4729. [2021-11-19 13:23:09,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:09,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-19 13:23:09,971 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-19 13:23:09,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:09,971 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-19 13:23:09,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:09,972 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-19 13:23:09,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:23:09,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:09,973 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:09,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-19 13:23:09,974 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:09,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:09,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1374243262, now seen corresponding path program 1 times [2021-11-19 13:23:09,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:09,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977297983] [2021-11-19 13:23:09,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:09,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:10,169 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:10,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977297983] [2021-11-19 13:23:10,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977297983] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:10,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:10,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:10,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704357371] [2021-11-19 13:23:10,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:10,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:23:10,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:10,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:23:10,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:23:10,171 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:12,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:12,875 INFO L93 Difference]: Finished difference Result 8999 states and 17839 transitions. [2021-11-19 13:23:12,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:23:12,884 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 [2021-11-19 13:23:12,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:12,898 INFO L225 Difference]: With dead ends: 8999 [2021-11-19 13:23:12,898 INFO L226 Difference]: Without dead ends: 8999 [2021-11-19 13:23:12,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2021-11-19 13:23:12,900 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 718 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:12,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [718 Valid, 354 Invalid, 1898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 13:23:12,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8999 states. [2021-11-19 13:23:12,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8999 to 5103. [2021-11-19 13:23:13,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5103 states, 5027 states have (on average 2.0306345733041575) internal successors, (10208), 5102 states have internal predecessors, (10208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:13,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5103 states to 5103 states and 10208 transitions. [2021-11-19 13:23:13,020 INFO L78 Accepts]: Start accepts. Automaton has 5103 states and 10208 transitions. Word has length 17 [2021-11-19 13:23:13,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:13,020 INFO L470 AbstractCegarLoop]: Abstraction has 5103 states and 10208 transitions. [2021-11-19 13:23:13,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:13,021 INFO L276 IsEmpty]: Start isEmpty. Operand 5103 states and 10208 transitions. [2021-11-19 13:23:13,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:23:13,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:13,023 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:13,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-19 13:23:13,023 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:13,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:13,024 INFO L85 PathProgramCache]: Analyzing trace with hash -114872319, now seen corresponding path program 2 times [2021-11-19 13:23:13,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:13,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779526645] [2021-11-19 13:23:13,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:13,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:13,256 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:13,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779526645] [2021-11-19 13:23:13,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779526645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:13,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:13,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:13,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343614337] [2021-11-19 13:23:13,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:13,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:23:13,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:13,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:23:13,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:23:13,258 INFO L87 Difference]: Start difference. First operand 5103 states and 10208 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:16,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:16,759 INFO L93 Difference]: Finished difference Result 13311 states and 26340 transitions. [2021-11-19 13:23:16,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 13:23:16,760 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 [2021-11-19 13:23:16,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:16,785 INFO L225 Difference]: With dead ends: 13311 [2021-11-19 13:23:16,785 INFO L226 Difference]: Without dead ends: 13311 [2021-11-19 13:23:16,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-11-19 13:23:16,786 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 670 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 2667 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:16,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 644 Invalid, 2720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 2667 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:23:16,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13311 states. [2021-11-19 13:23:16,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13311 to 5243. [2021-11-19 13:23:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5243 states, 5167 states have (on average 2.0298045287400814) internal successors, (10488), 5242 states have internal predecessors, (10488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 10488 transitions. [2021-11-19 13:23:16,937 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 10488 transitions. Word has length 17 [2021-11-19 13:23:16,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:16,938 INFO L470 AbstractCegarLoop]: Abstraction has 5243 states and 10488 transitions. [2021-11-19 13:23:16,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 10488 transitions. [2021-11-19 13:23:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:23:16,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:16,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:16,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-19 13:23:16,941 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:16,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:16,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1039499038, now seen corresponding path program 2 times [2021-11-19 13:23:16,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:16,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430191958] [2021-11-19 13:23:16,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:16,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:17,156 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:17,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430191958] [2021-11-19 13:23:17,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430191958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:17,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:17,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:17,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416368199] [2021-11-19 13:23:17,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:17,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:23:17,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:17,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:23:17,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:23:17,157 INFO L87 Difference]: Start difference. First operand 5243 states and 10488 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:20,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:20,454 INFO L93 Difference]: Finished difference Result 13463 states and 26632 transitions. [2021-11-19 13:23:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:23:20,455 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 [2021-11-19 13:23:20,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:20,478 INFO L225 Difference]: With dead ends: 13463 [2021-11-19 13:23:20,478 INFO L226 Difference]: Without dead ends: 13463 [2021-11-19 13:23:20,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2021-11-19 13:23:20,480 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 680 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:20,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [680 Valid, 578 Invalid, 2485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 2348 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 13:23:20,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13463 states. [2021-11-19 13:23:20,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13463 to 4696. [2021-11-19 13:23:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4696 states, 4620 states have (on average 2.0158008658008657) internal successors, (9313), 4695 states have internal predecessors, (9313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 9313 transitions. [2021-11-19 13:23:20,602 INFO L78 Accepts]: Start accepts. Automaton has 4696 states and 9313 transitions. Word has length 17 [2021-11-19 13:23:20,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:20,602 INFO L470 AbstractCegarLoop]: Abstraction has 4696 states and 9313 transitions. [2021-11-19 13:23:20,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:20,602 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 9313 transitions. [2021-11-19 13:23:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:23:20,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:20,604 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:20,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-19 13:23:20,604 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:20,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:20,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1313377235, now seen corresponding path program 3 times [2021-11-19 13:23:20,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:20,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284052470] [2021-11-19 13:23:20,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:20,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:20,835 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:20,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284052470] [2021-11-19 13:23:20,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284052470] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:20,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:20,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:20,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208147555] [2021-11-19 13:23:20,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:20,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:23:20,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:20,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:23:20,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:23:20,837 INFO L87 Difference]: Start difference. First operand 4696 states and 9313 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:23,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:23,250 INFO L93 Difference]: Finished difference Result 8946 states and 17686 transitions. [2021-11-19 13:23:23,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:23:23,250 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 [2021-11-19 13:23:23,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:23,266 INFO L225 Difference]: With dead ends: 8946 [2021-11-19 13:23:23,266 INFO L226 Difference]: Without dead ends: 8946 [2021-11-19 13:23:23,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-11-19 13:23:23,267 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 554 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:23,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [554 Valid, 640 Invalid, 1966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 13:23:23,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8946 states. [2021-11-19 13:23:23,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8946 to 4701. [2021-11-19 13:23:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4701 states, 4625 states have (on average 2.015783783783784) internal successors, (9323), 4700 states have internal predecessors, (9323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4701 states to 4701 states and 9323 transitions. [2021-11-19 13:23:23,359 INFO L78 Accepts]: Start accepts. Automaton has 4701 states and 9323 transitions. Word has length 17 [2021-11-19 13:23:23,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:23,359 INFO L470 AbstractCegarLoop]: Abstraction has 4701 states and 9323 transitions. [2021-11-19 13:23:23,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:23,360 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 9323 transitions. [2021-11-19 13:23:23,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:23:23,360 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:23,361 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:23,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-19 13:23:23,361 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:23,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:23,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1691347371, now seen corresponding path program 4 times [2021-11-19 13:23:23,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:23,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400330410] [2021-11-19 13:23:23,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:23,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:23,600 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:23,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400330410] [2021-11-19 13:23:23,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400330410] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:23,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:23,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:23,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527170219] [2021-11-19 13:23:23,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:23,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:23:23,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:23,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:23:23,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:23:23,602 INFO L87 Difference]: Start difference. First operand 4701 states and 9323 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:25,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:25,483 INFO L93 Difference]: Finished difference Result 4892 states and 9654 transitions. [2021-11-19 13:23:25,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:23:25,483 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 [2021-11-19 13:23:25,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:25,491 INFO L225 Difference]: With dead ends: 4892 [2021-11-19 13:23:25,491 INFO L226 Difference]: Without dead ends: 4892 [2021-11-19 13:23:25,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-19 13:23:25,493 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 291 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:25,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 390 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 13:23:25,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states. [2021-11-19 13:23:25,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 4682. [2021-11-19 13:23:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4682 states, 4606 states have (on average 2.015848892748589) internal successors, (9285), 4681 states have internal predecessors, (9285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4682 states to 4682 states and 9285 transitions. [2021-11-19 13:23:25,573 INFO L78 Accepts]: Start accepts. Automaton has 4682 states and 9285 transitions. Word has length 17 [2021-11-19 13:23:25,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:25,573 INFO L470 AbstractCegarLoop]: Abstraction has 4682 states and 9285 transitions. [2021-11-19 13:23:25,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:25,574 INFO L276 IsEmpty]: Start isEmpty. Operand 4682 states and 9285 transitions. [2021-11-19 13:23:25,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:23:25,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:25,576 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:25,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-19 13:23:25,576 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:25,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:25,577 INFO L85 PathProgramCache]: Analyzing trace with hash -81218303, now seen corresponding path program 5 times [2021-11-19 13:23:25,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:25,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916509258] [2021-11-19 13:23:25,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:25,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:25,836 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:25,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916509258] [2021-11-19 13:23:25,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916509258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:25,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:25,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:25,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293561798] [2021-11-19 13:23:25,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:25,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:23:25,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:25,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:23:25,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:23:25,838 INFO L87 Difference]: Start difference. First operand 4682 states and 9285 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:28,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:28,088 INFO L93 Difference]: Finished difference Result 4854 states and 9578 transitions. [2021-11-19 13:23:28,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:23:28,088 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 [2021-11-19 13:23:28,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:28,096 INFO L225 Difference]: With dead ends: 4854 [2021-11-19 13:23:28,096 INFO L226 Difference]: Without dead ends: 4854 [2021-11-19 13:23:28,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-19 13:23:28,097 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 322 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:28,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 406 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 13:23:28,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4854 states. [2021-11-19 13:23:28,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4854 to 4663. [2021-11-19 13:23:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4663 states, 4587 states have (on average 2.0159145410943973) internal successors, (9247), 4662 states have internal predecessors, (9247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:28,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4663 states to 4663 states and 9247 transitions. [2021-11-19 13:23:28,172 INFO L78 Accepts]: Start accepts. Automaton has 4663 states and 9247 transitions. Word has length 17 [2021-11-19 13:23:28,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:28,172 INFO L470 AbstractCegarLoop]: Abstraction has 4663 states and 9247 transitions. [2021-11-19 13:23:28,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4663 states and 9247 transitions. [2021-11-19 13:23:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:23:28,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:28,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:28,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-19 13:23:28,173 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:28,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:28,174 INFO L85 PathProgramCache]: Analyzing trace with hash -276051443, now seen corresponding path program 6 times [2021-11-19 13:23:28,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:28,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136394597] [2021-11-19 13:23:28,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:28,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:28,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:28,436 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:28,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136394597] [2021-11-19 13:23:28,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136394597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:28,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:28,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:28,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834191314] [2021-11-19 13:23:28,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:28,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:23:28,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:28,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:23:28,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:23:28,438 INFO L87 Difference]: Start difference. First operand 4663 states and 9247 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:31,724 INFO L93 Difference]: Finished difference Result 4785 states and 9439 transitions. [2021-11-19 13:23:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:23:31,724 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 [2021-11-19 13:23:31,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:31,733 INFO L225 Difference]: With dead ends: 4785 [2021-11-19 13:23:31,733 INFO L226 Difference]: Without dead ends: 4785 [2021-11-19 13:23:31,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:23:31,734 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 365 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 2262 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 2314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:31,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 439 Invalid, 2314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 13:23:31,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4785 states. [2021-11-19 13:23:31,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4785 to 4612. [2021-11-19 13:23:31,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4612 states, 4537 states have (on average 2.0156491073396516) internal successors, (9145), 4611 states have internal predecessors, (9145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4612 states to 4612 states and 9145 transitions. [2021-11-19 13:23:31,825 INFO L78 Accepts]: Start accepts. Automaton has 4612 states and 9145 transitions. Word has length 17 [2021-11-19 13:23:31,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:31,825 INFO L470 AbstractCegarLoop]: Abstraction has 4612 states and 9145 transitions. [2021-11-19 13:23:31,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:31,826 INFO L276 IsEmpty]: Start isEmpty. Operand 4612 states and 9145 transitions. [2021-11-19 13:23:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:23:31,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:31,827 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:31,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-19 13:23:31,828 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:31,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1082057142, now seen corresponding path program 3 times [2021-11-19 13:23:31,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:31,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878221118] [2021-11-19 13:23:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:31,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:32,023 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:32,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878221118] [2021-11-19 13:23:32,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878221118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:32,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:32,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:32,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875791154] [2021-11-19 13:23:32,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:32,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:23:32,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:32,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:23:32,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:23:32,025 INFO L87 Difference]: Start difference. First operand 4612 states and 9145 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:35,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:35,338 INFO L93 Difference]: Finished difference Result 8953 states and 17692 transitions. [2021-11-19 13:23:35,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 13:23:35,339 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 [2021-11-19 13:23:35,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:35,354 INFO L225 Difference]: With dead ends: 8953 [2021-11-19 13:23:35,354 INFO L226 Difference]: Without dead ends: 8953 [2021-11-19 13:23:35,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:23:35,355 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 520 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 2523 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 2582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:35,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [520 Valid, 607 Invalid, 2582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2523 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 13:23:35,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8953 states. [2021-11-19 13:23:35,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8953 to 4437. [2021-11-19 13:23:35,443 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) [2021-11-19 13:23:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 8795 transitions. [2021-11-19 13:23:35,452 INFO L78 Accepts]: Start accepts. Automaton has 4437 states and 8795 transitions. Word has length 17 [2021-11-19 13:23:35,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:35,452 INFO L470 AbstractCegarLoop]: Abstraction has 4437 states and 8795 transitions. [2021-11-19 13:23:35,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-11-19 13:23:35,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 8795 transitions. [2021-11-19 13:23:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-19 13:23:35,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:35,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:35,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-19 13:23:35,453 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:35,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:35,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1117792909, now seen corresponding path program 1 times [2021-11-19 13:23:35,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:35,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676002205] [2021-11-19 13:23:35,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:35,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:35,565 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:35,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676002205] [2021-11-19 13:23:35,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676002205] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:35,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:35,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:23:35,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340937956] [2021-11-19 13:23:35,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:35,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:23:35,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:35,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:23:35,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:23:35,567 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) [2021-11-19 13:23:36,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:36,730 INFO L93 Difference]: Finished difference Result 4756 states and 9427 transitions. [2021-11-19 13:23:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:23:36,730 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 [2021-11-19 13:23:36,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:36,737 INFO L225 Difference]: With dead ends: 4756 [2021-11-19 13:23:36,737 INFO L226 Difference]: Without dead ends: 4756 [2021-11-19 13:23:36,738 INFO L932 BasicCegarLoop]: 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 [2021-11-19 13:23:36,738 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 108 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:36,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 94 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-19 13:23:36,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2021-11-19 13:23:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4640. [2021-11-19 13:23:36,814 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) [2021-11-19 13:23:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 9197 transitions. [2021-11-19 13:23:36,827 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 9197 transitions. Word has length 21 [2021-11-19 13:23:36,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:36,827 INFO L470 AbstractCegarLoop]: Abstraction has 4640 states and 9197 transitions. [2021-11-19 13:23:36,827 INFO L471 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) [2021-11-19 13:23:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 9197 transitions. [2021-11-19 13:23:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-19 13:23:36,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:36,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:23:36,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-19 13:23:36,830 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:36,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:36,830 INFO L85 PathProgramCache]: Analyzing trace with hash 359386931, now seen corresponding path program 1 times [2021-11-19 13:23:36,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:36,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925272598] [2021-11-19 13:23:36,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:36,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:36,946 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:36,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925272598] [2021-11-19 13:23:36,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925272598] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:36,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:36,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:23:36,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801150710] [2021-11-19 13:23:36,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:36,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:23:36,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:36,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:23:36,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:23:36,948 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) [2021-11-19 13:23:38,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:38,514 INFO L93 Difference]: Finished difference Result 5039 states and 9995 transitions. [2021-11-19 13:23:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:23:38,514 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 [2021-11-19 13:23:38,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:38,522 INFO L225 Difference]: With dead ends: 5039 [2021-11-19 13:23:38,522 INFO L226 Difference]: Without dead ends: 5039 [2021-11-19 13:23:38,522 INFO L932 BasicCegarLoop]: 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 [2021-11-19 13:23:38,523 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 136 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:38,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 122 Invalid, 1134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 13:23:38,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5039 states. [2021-11-19 13:23:38,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5039 to 4895. [2021-11-19 13:23:38,592 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) [2021-11-19 13:23:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 9707 transitions. [2021-11-19 13:23:38,601 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 9707 transitions. Word has length 22 [2021-11-19 13:23:38,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:38,602 INFO L470 AbstractCegarLoop]: Abstraction has 4895 states and 9707 transitions. [2021-11-19 13:23:38,602 INFO L471 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) [2021-11-19 13:23:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 9707 transitions. [2021-11-19 13:23:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:23:38,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:38,604 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:23:38,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-19 13:23:38,604 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:38,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:38,605 INFO L85 PathProgramCache]: Analyzing trace with hash 2036485810, now seen corresponding path program 1 times [2021-11-19 13:23:38,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:38,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898806884] [2021-11-19 13:23:38,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:38,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:38,935 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:38,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898806884] [2021-11-19 13:23:38,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898806884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:38,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:38,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:38,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168966014] [2021-11-19 13:23:38,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:38,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:23:38,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:38,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:23:38,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:23:38,936 INFO L87 Difference]: Start difference. First operand 4895 states and 9707 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) [2021-11-19 13:23:41,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:41,318 INFO L93 Difference]: Finished difference Result 5072 states and 10056 transitions. [2021-11-19 13:23:41,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:23:41,319 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 [2021-11-19 13:23:41,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:41,326 INFO L225 Difference]: With dead ends: 5072 [2021-11-19 13:23:41,326 INFO L226 Difference]: Without dead ends: 5072 [2021-11-19 13:23:41,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2021-11-19 13:23:41,327 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 367 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 1733 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:41,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [367 Valid, 103 Invalid, 1769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1733 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 13:23:41,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2021-11-19 13:23:41,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 4909. [2021-11-19 13:23:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 4835 states have (on average 2.013443640124095) internal successors, (9735), 4908 states have internal predecessors, (9735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:41,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 9735 transitions. [2021-11-19 13:23:41,422 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 9735 transitions. Word has length 24 [2021-11-19 13:23:41,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:41,423 INFO L470 AbstractCegarLoop]: Abstraction has 4909 states and 9735 transitions. [2021-11-19 13:23:41,423 INFO L471 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) [2021-11-19 13:23:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 9735 transitions. [2021-11-19 13:23:41,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:23:41,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:41,424 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:23:41,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-19 13:23:41,424 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:41,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:41,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1377729082, now seen corresponding path program 2 times [2021-11-19 13:23:41,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:41,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879309297] [2021-11-19 13:23:41,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:41,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:41,715 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:41,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879309297] [2021-11-19 13:23:41,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879309297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:41,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:41,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:41,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139178457] [2021-11-19 13:23:41,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:41,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:23:41,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:41,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:23:41,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:23:41,717 INFO L87 Difference]: Start difference. First operand 4909 states and 9735 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) [2021-11-19 13:23:43,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:43,605 INFO L93 Difference]: Finished difference Result 5098 states and 10108 transitions. [2021-11-19 13:23:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:23:43,606 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 [2021-11-19 13:23:43,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:43,614 INFO L225 Difference]: With dead ends: 5098 [2021-11-19 13:23:43,614 INFO L226 Difference]: Without dead ends: 5098 [2021-11-19 13:23:43,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=246, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:23:43,615 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 349 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:43,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [349 Valid, 92 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 13:23:43,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5098 states. [2021-11-19 13:23:43,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5098 to 4918. [2021-11-19 13:23:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4918 states, 4844 states have (on average 2.013418662262593) internal successors, (9753), 4917 states have internal predecessors, (9753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4918 states to 4918 states and 9753 transitions. [2021-11-19 13:23:43,692 INFO L78 Accepts]: Start accepts. Automaton has 4918 states and 9753 transitions. Word has length 24 [2021-11-19 13:23:43,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:43,692 INFO L470 AbstractCegarLoop]: Abstraction has 4918 states and 9753 transitions. [2021-11-19 13:23:43,692 INFO L471 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) [2021-11-19 13:23:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 4918 states and 9753 transitions. [2021-11-19 13:23:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:23:43,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:43,694 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:23:43,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-19 13:23:43,695 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:43,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:43,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1577610906, now seen corresponding path program 3 times [2021-11-19 13:23:43,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:43,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399304590] [2021-11-19 13:23:43,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:43,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:43,961 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:43,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399304590] [2021-11-19 13:23:43,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399304590] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:43,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:43,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:43,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184260216] [2021-11-19 13:23:43,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:43,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:23:43,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:43,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:23:43,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:23:43,964 INFO L87 Difference]: Start difference. First operand 4918 states and 9753 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) [2021-11-19 13:23:46,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:46,272 INFO L93 Difference]: Finished difference Result 5116 states and 10144 transitions. [2021-11-19 13:23:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 13:23:46,273 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 [2021-11-19 13:23:46,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:46,283 INFO L225 Difference]: With dead ends: 5116 [2021-11-19 13:23:46,283 INFO L226 Difference]: Without dead ends: 5116 [2021-11-19 13:23:46,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2021-11-19 13:23:46,284 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 354 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:46,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 98 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 13:23:46,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5116 states. [2021-11-19 13:23:46,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5116 to 4919. [2021-11-19 13:23:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4919 states, 4845 states have (on average 2.0134158926728585) internal successors, (9755), 4918 states have internal predecessors, (9755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 9755 transitions. [2021-11-19 13:23:46,383 INFO L78 Accepts]: Start accepts. Automaton has 4919 states and 9755 transitions. Word has length 24 [2021-11-19 13:23:46,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:46,384 INFO L470 AbstractCegarLoop]: Abstraction has 4919 states and 9755 transitions. [2021-11-19 13:23:46,384 INFO L471 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) [2021-11-19 13:23:46,384 INFO L276 IsEmpty]: Start isEmpty. Operand 4919 states and 9755 transitions. [2021-11-19 13:23:46,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:23:46,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:46,385 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:23:46,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-19 13:23:46,386 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:46,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:46,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1937784096, now seen corresponding path program 4 times [2021-11-19 13:23:46,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:46,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63228119] [2021-11-19 13:23:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:46,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:46,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:46,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63228119] [2021-11-19 13:23:46,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63228119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:46,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:46,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:46,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334063691] [2021-11-19 13:23:46,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:46,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:23:46,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:46,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:23:46,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:23:46,665 INFO L87 Difference]: Start difference. First operand 4919 states and 9755 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) [2021-11-19 13:23:49,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:49,847 INFO L93 Difference]: Finished difference Result 5122 states and 10156 transitions. [2021-11-19 13:23:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:23:49,848 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 [2021-11-19 13:23:49,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:49,856 INFO L225 Difference]: With dead ends: 5122 [2021-11-19 13:23:49,856 INFO L226 Difference]: Without dead ends: 5122 [2021-11-19 13:23:49,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:23:49,857 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 358 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:49,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 108 Invalid, 2040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 13:23:49,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2021-11-19 13:23:50,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 4927. [2021-11-19 13:23:50,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4927 states, 4853 states have (on average 2.0133937770451267) internal successors, (9771), 4926 states have internal predecessors, (9771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4927 states to 4927 states and 9771 transitions. [2021-11-19 13:23:50,028 INFO L78 Accepts]: Start accepts. Automaton has 4927 states and 9771 transitions. Word has length 24 [2021-11-19 13:23:50,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:50,029 INFO L470 AbstractCegarLoop]: Abstraction has 4927 states and 9771 transitions. [2021-11-19 13:23:50,029 INFO L471 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) [2021-11-19 13:23:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 4927 states and 9771 transitions. [2021-11-19 13:23:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:23:50,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:50,031 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:23:50,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-19 13:23:50,032 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:50,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:50,032 INFO L85 PathProgramCache]: Analyzing trace with hash 802981164, now seen corresponding path program 5 times [2021-11-19 13:23:50,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:50,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793238667] [2021-11-19 13:23:50,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:50,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:50,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:50,321 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:50,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793238667] [2021-11-19 13:23:50,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793238667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:50,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:50,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:50,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746322330] [2021-11-19 13:23:50,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:50,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:23:50,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:50,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:23:50,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:23:50,323 INFO L87 Difference]: Start difference. First operand 4927 states and 9771 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) [2021-11-19 13:23:52,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:52,553 INFO L93 Difference]: Finished difference Result 5192 states and 10296 transitions. [2021-11-19 13:23:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:23:52,554 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 [2021-11-19 13:23:52,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:52,562 INFO L225 Difference]: With dead ends: 5192 [2021-11-19 13:23:52,562 INFO L226 Difference]: Without dead ends: 5192 [2021-11-19 13:23:52,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:23:52,564 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 312 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:52,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 100 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 13:23:52,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2021-11-19 13:23:52,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 4936. [2021-11-19 13:23:52,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4936 states, 4862 states have (on average 2.013368983957219) internal successors, (9789), 4935 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:52,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4936 states to 4936 states and 9789 transitions. [2021-11-19 13:23:52,643 INFO L78 Accepts]: Start accepts. Automaton has 4936 states and 9789 transitions. Word has length 24 [2021-11-19 13:23:52,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:52,644 INFO L470 AbstractCegarLoop]: Abstraction has 4936 states and 9789 transitions. [2021-11-19 13:23:52,644 INFO L471 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) [2021-11-19 13:23:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 4936 states and 9789 transitions. [2021-11-19 13:23:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:23:52,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:52,645 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:23:52,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-19 13:23:52,645 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:52,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:52,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1162929274, now seen corresponding path program 6 times [2021-11-19 13:23:52,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:52,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146098461] [2021-11-19 13:23:52,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:52,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:52,905 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:52,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146098461] [2021-11-19 13:23:52,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146098461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:52,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:52,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:52,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273267051] [2021-11-19 13:23:52,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:52,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:23:52,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:52,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:23:52,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:23:52,907 INFO L87 Difference]: Start difference. First operand 4936 states and 9789 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) [2021-11-19 13:23:54,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:54,593 INFO L93 Difference]: Finished difference Result 5145 states and 10202 transitions. [2021-11-19 13:23:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:23:54,595 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 [2021-11-19 13:23:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:54,603 INFO L225 Difference]: With dead ends: 5145 [2021-11-19 13:23:54,604 INFO L226 Difference]: Without dead ends: 5145 [2021-11-19 13:23:54,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:23:54,605 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 325 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:54,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 90 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-19 13:23:54,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states. [2021-11-19 13:23:54,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 4937. [2021-11-19 13:23:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 4863 states have (on average 2.0133662348344643) internal successors, (9791), 4936 states have internal predecessors, (9791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:54,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 9791 transitions. [2021-11-19 13:23:54,727 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 9791 transitions. Word has length 24 [2021-11-19 13:23:54,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:54,728 INFO L470 AbstractCegarLoop]: Abstraction has 4937 states and 9791 transitions. [2021-11-19 13:23:54,728 INFO L471 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) [2021-11-19 13:23:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 9791 transitions. [2021-11-19 13:23:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:23:54,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:54,730 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:23:54,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-19 13:23:54,731 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:54,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:54,732 INFO L85 PathProgramCache]: Analyzing trace with hash -802756084, now seen corresponding path program 7 times [2021-11-19 13:23:54,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:54,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735626589] [2021-11-19 13:23:54,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:54,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:54,984 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:54,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735626589] [2021-11-19 13:23:54,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735626589] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:54,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:54,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:54,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889236241] [2021-11-19 13:23:54,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:54,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:23:54,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:54,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:23:54,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:23:54,986 INFO L87 Difference]: Start difference. First operand 4937 states and 9791 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) [2021-11-19 13:23:56,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:56,932 INFO L93 Difference]: Finished difference Result 5173 states and 10258 transitions. [2021-11-19 13:23:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 13:23:56,933 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 [2021-11-19 13:23:56,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:56,941 INFO L225 Difference]: With dead ends: 5173 [2021-11-19 13:23:56,941 INFO L226 Difference]: Without dead ends: 5173 [2021-11-19 13:23:56,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2021-11-19 13:23:56,942 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 326 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:56,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 96 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 13:23:56,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2021-11-19 13:23:57,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 4936. [2021-11-19 13:23:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4936 states, 4862 states have (on average 2.013368983957219) internal successors, (9789), 4935 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4936 states to 4936 states and 9789 transitions. [2021-11-19 13:23:57,021 INFO L78 Accepts]: Start accepts. Automaton has 4936 states and 9789 transitions. Word has length 24 [2021-11-19 13:23:57,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:57,021 INFO L470 AbstractCegarLoop]: Abstraction has 4936 states and 9789 transitions. [2021-11-19 13:23:57,021 INFO L471 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) [2021-11-19 13:23:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 4936 states and 9789 transitions. [2021-11-19 13:23:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:23:57,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:57,023 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:23:57,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-19 13:23:57,023 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:57,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:57,024 INFO L85 PathProgramCache]: Analyzing trace with hash 770167493, now seen corresponding path program 1 times [2021-11-19 13:23:57,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:57,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112232634] [2021-11-19 13:23:57,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:57,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:23:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:23:57,262 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:23:57,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112232634] [2021-11-19 13:23:57,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112232634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:23:57,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:23:57,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:23:57,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136134301] [2021-11-19 13:23:57,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:23:57,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:23:57,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:23:57,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:23:57,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:23:57,264 INFO L87 Difference]: Start difference. First operand 4936 states and 9789 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) [2021-11-19 13:23:59,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:23:59,739 INFO L93 Difference]: Finished difference Result 8452 states and 16741 transitions. [2021-11-19 13:23:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 13:23:59,740 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 [2021-11-19 13:23:59,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:23:59,755 INFO L225 Difference]: With dead ends: 8452 [2021-11-19 13:23:59,755 INFO L226 Difference]: Without dead ends: 8452 [2021-11-19 13:23:59,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-11-19 13:23:59,757 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 682 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 1806 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:23:59,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 340 Invalid, 1966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1806 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 13:23:59,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8452 states. [2021-11-19 13:23:59,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8452 to 5015. [2021-11-19 13:23:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5015 states, 4941 states have (on average 2.0139647844565878) internal successors, (9951), 5014 states have internal predecessors, (9951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:23:59,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 9951 transitions. [2021-11-19 13:23:59,855 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 9951 transitions. Word has length 24 [2021-11-19 13:23:59,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:23:59,855 INFO L470 AbstractCegarLoop]: Abstraction has 5015 states and 9951 transitions. [2021-11-19 13:23:59,856 INFO L471 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) [2021-11-19 13:23:59,856 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 9951 transitions. [2021-11-19 13:23:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:23:59,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:23:59,858 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:23:59,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-19 13:23:59,858 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:23:59,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:23:59,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1308834960, now seen corresponding path program 8 times [2021-11-19 13:23:59,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:23:59,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582297091] [2021-11-19 13:23:59,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:23:59,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:23:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:00,058 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:00,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582297091] [2021-11-19 13:24:00,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582297091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:00,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:00,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:24:00,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526992732] [2021-11-19 13:24:00,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:00,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:24:00,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:00,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:24:00,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:24:00,061 INFO L87 Difference]: Start difference. First operand 5015 states and 9951 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) [2021-11-19 13:24:02,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:02,903 INFO L93 Difference]: Finished difference Result 8343 states and 16517 transitions. [2021-11-19 13:24:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:24:02,904 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 [2021-11-19 13:24:02,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:02,919 INFO L225 Difference]: With dead ends: 8343 [2021-11-19 13:24:02,919 INFO L226 Difference]: Without dead ends: 8343 [2021-11-19 13:24:02,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:24:02,920 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 609 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:02,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [609 Valid, 338 Invalid, 2237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2192 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:24:02,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8343 states. [2021-11-19 13:24:03,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8343 to 5058. [2021-11-19 13:24:03,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5058 states, 4984 states have (on average 2.015650080256822) internal successors, (10046), 5057 states have internal predecessors, (10046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5058 states to 5058 states and 10046 transitions. [2021-11-19 13:24:03,054 INFO L78 Accepts]: Start accepts. Automaton has 5058 states and 10046 transitions. Word has length 24 [2021-11-19 13:24:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:03,054 INFO L470 AbstractCegarLoop]: Abstraction has 5058 states and 10046 transitions. [2021-11-19 13:24:03,055 INFO L471 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) [2021-11-19 13:24:03,055 INFO L276 IsEmpty]: Start isEmpty. Operand 5058 states and 10046 transitions. [2021-11-19 13:24:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:03,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:03,057 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:03,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-19 13:24:03,058 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:03,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:03,059 INFO L85 PathProgramCache]: Analyzing trace with hash 419617728, now seen corresponding path program 9 times [2021-11-19 13:24:03,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:03,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461254293] [2021-11-19 13:24:03,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:03,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:03,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:03,306 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:03,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461254293] [2021-11-19 13:24:03,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461254293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:03,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:03,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:24:03,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777549776] [2021-11-19 13:24:03,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:03,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:24:03,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:03,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:24:03,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:24:03,309 INFO L87 Difference]: Start difference. First operand 5058 states and 10046 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) [2021-11-19 13:24:05,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:05,547 INFO L93 Difference]: Finished difference Result 8385 states and 16601 transitions. [2021-11-19 13:24:05,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:24:05,547 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 [2021-11-19 13:24:05,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:05,561 INFO L225 Difference]: With dead ends: 8385 [2021-11-19 13:24:05,562 INFO L226 Difference]: Without dead ends: 8385 [2021-11-19 13:24:05,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:24:05,562 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 488 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:05,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 208 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 13:24:05,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8385 states. [2021-11-19 13:24:05,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8385 to 5059. [2021-11-19 13:24:05,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5059 states, 4985 states have (on average 2.0156469408224673) internal successors, (10048), 5058 states have internal predecessors, (10048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:05,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5059 states to 5059 states and 10048 transitions. [2021-11-19 13:24:05,664 INFO L78 Accepts]: Start accepts. Automaton has 5059 states and 10048 transitions. Word has length 24 [2021-11-19 13:24:05,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:05,664 INFO L470 AbstractCegarLoop]: Abstraction has 5059 states and 10048 transitions. [2021-11-19 13:24:05,664 INFO L471 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) [2021-11-19 13:24:05,664 INFO L276 IsEmpty]: Start isEmpty. Operand 5059 states and 10048 transitions. [2021-11-19 13:24:05,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:05,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:05,666 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:05,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-19 13:24:05,667 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:05,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:05,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1546292710, now seen corresponding path program 10 times [2021-11-19 13:24:05,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:05,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332806537] [2021-11-19 13:24:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:05,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:05,917 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:05,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332806537] [2021-11-19 13:24:05,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332806537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:05,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:05,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:24:05,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342207255] [2021-11-19 13:24:05,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:05,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:24:05,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:05,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:24:05,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:24:05,919 INFO L87 Difference]: Start difference. First operand 5059 states and 10048 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) [2021-11-19 13:24:07,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:07,815 INFO L93 Difference]: Finished difference Result 8347 states and 16525 transitions. [2021-11-19 13:24:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:24:07,816 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 [2021-11-19 13:24:07,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:07,831 INFO L225 Difference]: With dead ends: 8347 [2021-11-19 13:24:07,831 INFO L226 Difference]: Without dead ends: 8347 [2021-11-19 13:24:07,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:24:07,833 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 552 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:07,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [552 Valid, 193 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 13:24:07,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8347 states. [2021-11-19 13:24:07,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8347 to 5060. [2021-11-19 13:24:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5060 states, 4986 states have (on average 2.015643802647413) internal successors, (10050), 5059 states have internal predecessors, (10050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 10050 transitions. [2021-11-19 13:24:07,956 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 10050 transitions. Word has length 24 [2021-11-19 13:24:07,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:07,956 INFO L470 AbstractCegarLoop]: Abstraction has 5060 states and 10050 transitions. [2021-11-19 13:24:07,956 INFO L471 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) [2021-11-19 13:24:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 10050 transitions. [2021-11-19 13:24:07,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:07,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:07,958 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:07,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-19 13:24:07,958 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:07,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:07,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1186119520, now seen corresponding path program 11 times [2021-11-19 13:24:07,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:07,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381732094] [2021-11-19 13:24:07,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:07,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:08,213 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:08,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381732094] [2021-11-19 13:24:08,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381732094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:08,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:08,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:24:08,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050490994] [2021-11-19 13:24:08,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:08,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:24:08,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:08,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:24:08,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:24:08,216 INFO L87 Difference]: Start difference. First operand 5060 states and 10050 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) [2021-11-19 13:24:11,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:11,615 INFO L93 Difference]: Finished difference Result 8365 states and 16561 transitions. [2021-11-19 13:24:11,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 13:24:11,616 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 [2021-11-19 13:24:11,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:11,631 INFO L225 Difference]: With dead ends: 8365 [2021-11-19 13:24:11,631 INFO L226 Difference]: Without dead ends: 8365 [2021-11-19 13:24:11,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-11-19 13:24:11,632 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 511 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 2365 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 2397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:11,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [511 Valid, 230 Invalid, 2397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2365 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 13:24:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8365 states. [2021-11-19 13:24:11,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8365 to 5058. [2021-11-19 13:24:11,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5058 states, 4984 states have (on average 2.015650080256822) internal successors, (10046), 5057 states have internal predecessors, (10046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:11,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5058 states to 5058 states and 10046 transitions. [2021-11-19 13:24:11,765 INFO L78 Accepts]: Start accepts. Automaton has 5058 states and 10046 transitions. Word has length 24 [2021-11-19 13:24:11,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:11,765 INFO L470 AbstractCegarLoop]: Abstraction has 5058 states and 10046 transitions. [2021-11-19 13:24:11,765 INFO L471 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) [2021-11-19 13:24:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 5058 states and 10046 transitions. [2021-11-19 13:24:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:11,766 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:11,767 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:11,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-19 13:24:11,767 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:11,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:11,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1230891722, now seen corresponding path program 12 times [2021-11-19 13:24:11,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:11,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660330704] [2021-11-19 13:24:11,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:11,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:12,207 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:12,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660330704] [2021-11-19 13:24:12,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660330704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:12,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:12,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:24:12,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937256243] [2021-11-19 13:24:12,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:12,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:24:12,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:12,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:24:12,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:24:12,210 INFO L87 Difference]: Start difference. First operand 5058 states and 10046 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:16,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:16,405 INFO L93 Difference]: Finished difference Result 9980 states and 19808 transitions. [2021-11-19 13:24:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 13:24:16,406 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:24:16,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:16,421 INFO L225 Difference]: With dead ends: 9980 [2021-11-19 13:24:16,421 INFO L226 Difference]: Without dead ends: 9980 [2021-11-19 13:24:16,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2021-11-19 13:24:16,422 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 903 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 2930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:16,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 343 Invalid, 2930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 13:24:16,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9980 states. [2021-11-19 13:24:16,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9980 to 5115. [2021-11-19 13:24:16,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 5041 states have (on average 2.0154731204126164) internal successors, (10160), 5114 states have internal predecessors, (10160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 10160 transitions. [2021-11-19 13:24:16,528 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 10160 transitions. Word has length 24 [2021-11-19 13:24:16,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:16,528 INFO L470 AbstractCegarLoop]: Abstraction has 5115 states and 10160 transitions. [2021-11-19 13:24:16,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 10160 transitions. [2021-11-19 13:24:16,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:16,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:16,530 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:16,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-19 13:24:16,531 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:16,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:16,532 INFO L85 PathProgramCache]: Analyzing trace with hash -350139318, now seen corresponding path program 13 times [2021-11-19 13:24:16,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:16,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686654710] [2021-11-19 13:24:16,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:16,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:16,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:16,972 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:16,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686654710] [2021-11-19 13:24:16,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686654710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:16,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:16,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:24:16,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973673076] [2021-11-19 13:24:16,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:16,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:24:16,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:16,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:24:16,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:24:16,975 INFO L87 Difference]: Start difference. First operand 5115 states and 10160 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:21,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:21,307 INFO L93 Difference]: Finished difference Result 9994 states and 19836 transitions. [2021-11-19 13:24:21,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 13:24:21,307 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:24:21,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:21,320 INFO L225 Difference]: With dead ends: 9994 [2021-11-19 13:24:21,320 INFO L226 Difference]: Without dead ends: 9994 [2021-11-19 13:24:21,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2021-11-19 13:24:21,321 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 954 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 3281 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 954 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 3431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 3281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:21,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [954 Valid, 360 Invalid, 3431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 3281 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 13:24:21,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2021-11-19 13:24:21,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 5113. [2021-11-19 13:24:21,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5113 states, 5039 states have (on average 2.0154792617582853) internal successors, (10156), 5112 states have internal predecessors, (10156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:21,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 5113 states and 10156 transitions. [2021-11-19 13:24:21,414 INFO L78 Accepts]: Start accepts. Automaton has 5113 states and 10156 transitions. Word has length 24 [2021-11-19 13:24:21,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:21,414 INFO L470 AbstractCegarLoop]: Abstraction has 5113 states and 10156 transitions. [2021-11-19 13:24:21,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:21,415 INFO L276 IsEmpty]: Start isEmpty. Operand 5113 states and 10156 transitions. [2021-11-19 13:24:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:21,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:21,416 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:21,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-19 13:24:21,417 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:21,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:21,417 INFO L85 PathProgramCache]: Analyzing trace with hash 83490218, now seen corresponding path program 14 times [2021-11-19 13:24:21,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:21,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507104538] [2021-11-19 13:24:21,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:21,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:21,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:21,705 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:21,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507104538] [2021-11-19 13:24:21,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507104538] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:21,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:21,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:24:21,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010774098] [2021-11-19 13:24:21,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:21,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:24:21,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:21,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:24:21,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:24:21,707 INFO L87 Difference]: Start difference. First operand 5113 states and 10156 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:24,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:24,979 INFO L93 Difference]: Finished difference Result 10001 states and 19850 transitions. [2021-11-19 13:24:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 13:24:24,979 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:24:24,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:24,994 INFO L225 Difference]: With dead ends: 10001 [2021-11-19 13:24:24,995 INFO L226 Difference]: Without dead ends: 10001 [2021-11-19 13:24:24,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=292, Invalid=700, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:24:24,996 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 988 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:24,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [988 Valid, 323 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 13:24:25,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10001 states. [2021-11-19 13:24:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10001 to 5114. [2021-11-19 13:24:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5114 states, 5040 states have (on average 2.0154761904761904) internal successors, (10158), 5113 states have internal predecessors, (10158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5114 states to 5114 states and 10158 transitions. [2021-11-19 13:24:25,093 INFO L78 Accepts]: Start accepts. Automaton has 5114 states and 10158 transitions. Word has length 24 [2021-11-19 13:24:25,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:25,094 INFO L470 AbstractCegarLoop]: Abstraction has 5114 states and 10158 transitions. [2021-11-19 13:24:25,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:25,094 INFO L276 IsEmpty]: Start isEmpty. Operand 5114 states and 10158 transitions. [2021-11-19 13:24:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:25,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:25,095 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:25,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-19 13:24:25,096 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:25,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:25,096 INFO L85 PathProgramCache]: Analyzing trace with hash 443663408, now seen corresponding path program 15 times [2021-11-19 13:24:25,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:25,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644061461] [2021-11-19 13:24:25,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:25,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:25,447 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:25,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644061461] [2021-11-19 13:24:25,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644061461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:25,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:25,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:24:25,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257260910] [2021-11-19 13:24:25,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:25,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:24:25,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:25,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:24:25,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:24:25,449 INFO L87 Difference]: Start difference. First operand 5114 states and 10158 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:30,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:30,152 INFO L93 Difference]: Finished difference Result 10006 states and 19860 transitions. [2021-11-19 13:24:30,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 13:24:30,152 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:24:30,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:30,168 INFO L225 Difference]: With dead ends: 10006 [2021-11-19 13:24:30,168 INFO L226 Difference]: Without dead ends: 10006 [2021-11-19 13:24:30,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=747, Unknown=0, NotChecked=0, Total=1056 [2021-11-19 13:24:30,169 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 979 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 3117 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 3279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 3117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:30,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [979 Valid, 356 Invalid, 3279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 3117 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-19 13:24:30,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10006 states. [2021-11-19 13:24:30,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10006 to 5111. [2021-11-19 13:24:30,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5111 states, 5037 states have (on average 2.015485407980941) internal successors, (10152), 5110 states have internal predecessors, (10152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:30,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5111 states to 5111 states and 10152 transitions. [2021-11-19 13:24:30,277 INFO L78 Accepts]: Start accepts. Automaton has 5111 states and 10152 transitions. Word has length 24 [2021-11-19 13:24:30,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:30,277 INFO L470 AbstractCegarLoop]: Abstraction has 5111 states and 10152 transitions. [2021-11-19 13:24:30,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:30,278 INFO L276 IsEmpty]: Start isEmpty. Operand 5111 states and 10152 transitions. [2021-11-19 13:24:30,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:30,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:30,279 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:30,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-19 13:24:30,279 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:30,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:30,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1849535862, now seen corresponding path program 16 times [2021-11-19 13:24:30,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:30,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300102042] [2021-11-19 13:24:30,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:30,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:30,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:30,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:30,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300102042] [2021-11-19 13:24:30,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300102042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:30,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:30,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:24:30,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898237756] [2021-11-19 13:24:30,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:30,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:24:30,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:30,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:24:30,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:24:30,623 INFO L87 Difference]: Start difference. First operand 5111 states and 10152 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:35,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:35,473 INFO L93 Difference]: Finished difference Result 10209 states and 20258 transitions. [2021-11-19 13:24:35,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 13:24:35,473 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:24:35,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:35,492 INFO L225 Difference]: With dead ends: 10209 [2021-11-19 13:24:35,492 INFO L226 Difference]: Without dead ends: 10209 [2021-11-19 13:24:35,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=365, Invalid=967, Unknown=0, NotChecked=0, Total=1332 [2021-11-19 13:24:35,493 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 905 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 3547 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 3685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:35,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [905 Valid, 368 Invalid, 3685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 3547 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-19 13:24:35,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10209 states. [2021-11-19 13:24:35,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10209 to 5125. [2021-11-19 13:24:35,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5125 states, 5051 states have (on average 2.0154424866363096) internal successors, (10180), 5124 states have internal predecessors, (10180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5125 states to 5125 states and 10180 transitions. [2021-11-19 13:24:35,606 INFO L78 Accepts]: Start accepts. Automaton has 5125 states and 10180 transitions. Word has length 24 [2021-11-19 13:24:35,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:35,606 INFO L470 AbstractCegarLoop]: Abstraction has 5125 states and 10180 transitions. [2021-11-19 13:24:35,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5125 states and 10180 transitions. [2021-11-19 13:24:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:35,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:35,609 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:35,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-19 13:24:35,609 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:35,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:35,609 INFO L85 PathProgramCache]: Analyzing trace with hash 479520996, now seen corresponding path program 17 times [2021-11-19 13:24:35,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:35,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755859783] [2021-11-19 13:24:35,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:35,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:35,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:35,985 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:35,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755859783] [2021-11-19 13:24:35,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755859783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:35,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:35,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:24:35,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23861395] [2021-11-19 13:24:35,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:35,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:24:35,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:35,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:24:35,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:24:35,987 INFO L87 Difference]: Start difference. First operand 5125 states and 10180 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:39,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:39,531 INFO L93 Difference]: Finished difference Result 10153 states and 20146 transitions. [2021-11-19 13:24:39,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 13:24:39,531 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:24:39,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:39,548 INFO L225 Difference]: With dead ends: 10153 [2021-11-19 13:24:39,549 INFO L226 Difference]: Without dead ends: 10153 [2021-11-19 13:24:39,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=378, Invalid=954, Unknown=0, NotChecked=0, Total=1332 [2021-11-19 13:24:39,550 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 953 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 2315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:39,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [953 Valid, 322 Invalid, 2315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:24:39,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10153 states. [2021-11-19 13:24:39,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10153 to 5126. [2021-11-19 13:24:39,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5126 states, 5052 states have (on average 2.0154394299287413) internal successors, (10182), 5125 states have internal predecessors, (10182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:39,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5126 states to 5126 states and 10182 transitions. [2021-11-19 13:24:39,657 INFO L78 Accepts]: Start accepts. Automaton has 5126 states and 10182 transitions. Word has length 24 [2021-11-19 13:24:39,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:39,657 INFO L470 AbstractCegarLoop]: Abstraction has 5126 states and 10182 transitions. [2021-11-19 13:24:39,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 5126 states and 10182 transitions. [2021-11-19 13:24:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:39,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:39,658 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:39,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-19 13:24:39,659 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:39,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:39,659 INFO L85 PathProgramCache]: Analyzing trace with hash 839694186, now seen corresponding path program 18 times [2021-11-19 13:24:39,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:39,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336200289] [2021-11-19 13:24:39,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:39,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:40,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:40,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336200289] [2021-11-19 13:24:40,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336200289] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:40,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:40,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:24:40,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867505253] [2021-11-19 13:24:40,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:40,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:24:40,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:40,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:24:40,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:24:40,019 INFO L87 Difference]: Start difference. First operand 5126 states and 10182 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:44,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:44,706 INFO L93 Difference]: Finished difference Result 10169 states and 20178 transitions. [2021-11-19 13:24:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-19 13:24:44,707 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:24:44,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:44,726 INFO L225 Difference]: With dead ends: 10169 [2021-11-19 13:24:44,726 INFO L226 Difference]: Without dead ends: 10169 [2021-11-19 13:24:44,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=414, Invalid=1068, Unknown=0, NotChecked=0, Total=1482 [2021-11-19 13:24:44,728 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 925 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 2832 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 2994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:44,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [925 Valid, 344 Invalid, 2994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2832 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-19 13:24:44,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10169 states. [2021-11-19 13:24:44,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10169 to 5122. [2021-11-19 13:24:44,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5122 states, 5048 states have (on average 2.0154516640253566) internal successors, (10174), 5121 states have internal predecessors, (10174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:44,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5122 states to 5122 states and 10174 transitions. [2021-11-19 13:24:44,859 INFO L78 Accepts]: Start accepts. Automaton has 5122 states and 10174 transitions. Word has length 24 [2021-11-19 13:24:44,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:44,859 INFO L470 AbstractCegarLoop]: Abstraction has 5122 states and 10174 transitions. [2021-11-19 13:24:44,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:44,860 INFO L276 IsEmpty]: Start isEmpty. Operand 5122 states and 10174 transitions. [2021-11-19 13:24:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:44,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:44,861 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:44,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-19 13:24:44,861 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:44,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:44,862 INFO L85 PathProgramCache]: Analyzing trace with hash 839441958, now seen corresponding path program 1 times [2021-11-19 13:24:44,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:44,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496617210] [2021-11-19 13:24:44,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:44,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:45,683 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:45,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496617210] [2021-11-19 13:24:45,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496617210] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:45,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:45,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:24:45,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046976423] [2021-11-19 13:24:45,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:45,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:24:45,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:45,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:24:45,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:24:45,684 INFO L87 Difference]: Start difference. First operand 5122 states and 10174 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:50,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:50,228 INFO L93 Difference]: Finished difference Result 9934 states and 19722 transitions. [2021-11-19 13:24:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:24:50,229 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:24:50,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:50,247 INFO L225 Difference]: With dead ends: 9934 [2021-11-19 13:24:50,247 INFO L226 Difference]: Without dead ends: 9934 [2021-11-19 13:24:50,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2021-11-19 13:24:50,249 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 705 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 3678 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 3770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:50,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 471 Invalid, 3770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 3678 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-19 13:24:50,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9934 states. [2021-11-19 13:24:50,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9934 to 5270. [2021-11-19 13:24:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5270 states, 5196 states have (on average 2.016551193225558) internal successors, (10478), 5269 states have internal predecessors, (10478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5270 states to 5270 states and 10478 transitions. [2021-11-19 13:24:50,390 INFO L78 Accepts]: Start accepts. Automaton has 5270 states and 10478 transitions. Word has length 24 [2021-11-19 13:24:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:50,390 INFO L470 AbstractCegarLoop]: Abstraction has 5270 states and 10478 transitions. [2021-11-19 13:24:50,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 5270 states and 10478 transitions. [2021-11-19 13:24:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:50,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:50,392 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:50,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-19 13:24:50,393 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:50,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:50,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1582263818, now seen corresponding path program 2 times [2021-11-19 13:24:50,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:50,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938800748] [2021-11-19 13:24:50,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:50,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:51,039 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:51,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938800748] [2021-11-19 13:24:51,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938800748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:51,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:51,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:24:51,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896878738] [2021-11-19 13:24:51,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:51,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:24:51,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:51,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:24:51,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:24:51,043 INFO L87 Difference]: Start difference. First operand 5270 states and 10478 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:56,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:24:56,890 INFO L93 Difference]: Finished difference Result 9918 states and 19690 transitions. [2021-11-19 13:24:56,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 13:24:56,890 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:24:56,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:24:56,939 INFO L225 Difference]: With dead ends: 9918 [2021-11-19 13:24:56,939 INFO L226 Difference]: Without dead ends: 9918 [2021-11-19 13:24:56,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2021-11-19 13:24:56,941 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 652 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 4612 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 4714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 4612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:24:56,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [652 Valid, 504 Invalid, 4714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 4612 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-11-19 13:24:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9918 states. [2021-11-19 13:24:57,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9918 to 5271. [2021-11-19 13:24:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5271 states, 5197 states have (on average 2.016548008466423) internal successors, (10480), 5270 states have internal predecessors, (10480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:24:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 5271 states and 10480 transitions. [2021-11-19 13:24:57,039 INFO L78 Accepts]: Start accepts. Automaton has 5271 states and 10480 transitions. Word has length 24 [2021-11-19 13:24:57,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:24:57,040 INFO L470 AbstractCegarLoop]: Abstraction has 5271 states and 10480 transitions. [2021-11-19 13:24:57,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:24:57,040 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 10480 transitions. [2021-11-19 13:24:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:24:57,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:24:57,041 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:24:57,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-19 13:24:57,041 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:24:57,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:24:57,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1576584308, now seen corresponding path program 3 times [2021-11-19 13:24:57,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:24:57,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99505134] [2021-11-19 13:24:57,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:24:57,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:24:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:24:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:24:57,660 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:24:57,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99505134] [2021-11-19 13:24:57,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99505134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:24:57,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:24:57,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:24:57,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599641625] [2021-11-19 13:24:57,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:24:57,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:24:57,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:24:57,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:24:57,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:24:57,662 INFO L87 Difference]: Start difference. First operand 5271 states and 10480 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:02,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:02,976 INFO L93 Difference]: Finished difference Result 9931 states and 19716 transitions. [2021-11-19 13:25:02,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 13:25:02,976 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:25:02,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:02,990 INFO L225 Difference]: With dead ends: 9931 [2021-11-19 13:25:02,990 INFO L226 Difference]: Without dead ends: 9931 [2021-11-19 13:25:02,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=265, Invalid=665, Unknown=0, NotChecked=0, Total=930 [2021-11-19 13:25:02,991 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 691 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 3959 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 4084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:02,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [691 Valid, 481 Invalid, 4084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 3959 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-19 13:25:03,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9931 states. [2021-11-19 13:25:03,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9931 to 5279. [2021-11-19 13:25:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5279 states, 5205 states have (on average 2.0165225744476465) internal successors, (10496), 5278 states have internal predecessors, (10496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 5279 states and 10496 transitions. [2021-11-19 13:25:03,087 INFO L78 Accepts]: Start accepts. Automaton has 5279 states and 10496 transitions. Word has length 24 [2021-11-19 13:25:03,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:03,087 INFO L470 AbstractCegarLoop]: Abstraction has 5279 states and 10496 transitions. [2021-11-19 13:25:03,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5279 states and 10496 transitions. [2021-11-19 13:25:03,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:03,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:03,088 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:03,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-19 13:25:03,089 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:03,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:03,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2006654630, now seen corresponding path program 4 times [2021-11-19 13:25:03,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:03,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140340329] [2021-11-19 13:25:03,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:03,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:03,579 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:03,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140340329] [2021-11-19 13:25:03,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140340329] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:03,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:03,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:25:03,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645248052] [2021-11-19 13:25:03,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:03,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:25:03,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:03,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:25:03,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:25:03,581 INFO L87 Difference]: Start difference. First operand 5279 states and 10496 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:06,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:06,779 INFO L93 Difference]: Finished difference Result 9933 states and 19720 transitions. [2021-11-19 13:25:06,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:25:06,780 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:25:06,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:06,795 INFO L225 Difference]: With dead ends: 9933 [2021-11-19 13:25:06,795 INFO L226 Difference]: Without dead ends: 9933 [2021-11-19 13:25:06,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=225, Invalid=587, Unknown=0, NotChecked=0, Total=812 [2021-11-19 13:25:06,796 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 654 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 3060 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 3171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:06,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [654 Valid, 445 Invalid, 3171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3060 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:25:06,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9933 states. [2021-11-19 13:25:06,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9933 to 5281. [2021-11-19 13:25:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 5207 states have (on average 2.0165162281544076) internal successors, (10500), 5280 states have internal predecessors, (10500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:06,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 10500 transitions. [2021-11-19 13:25:06,900 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 10500 transitions. Word has length 24 [2021-11-19 13:25:06,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:06,900 INFO L470 AbstractCegarLoop]: Abstraction has 5281 states and 10500 transitions. [2021-11-19 13:25:06,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 10500 transitions. [2021-11-19 13:25:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:06,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:06,902 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:06,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-19 13:25:06,902 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:06,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:06,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2012334140, now seen corresponding path program 5 times [2021-11-19 13:25:06,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:06,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771523248] [2021-11-19 13:25:06,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:06,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:07,470 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:07,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771523248] [2021-11-19 13:25:07,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771523248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:07,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:07,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:25:07,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859654486] [2021-11-19 13:25:07,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:07,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:25:07,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:07,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:25:07,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:25:07,471 INFO L87 Difference]: Start difference. First operand 5281 states and 10500 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:11,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:11,916 INFO L93 Difference]: Finished difference Result 9957 states and 19768 transitions. [2021-11-19 13:25:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 13:25:11,916 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:25:11,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:11,932 INFO L225 Difference]: With dead ends: 9957 [2021-11-19 13:25:11,933 INFO L226 Difference]: Without dead ends: 9957 [2021-11-19 13:25:11,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2021-11-19 13:25:11,934 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 714 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 3510 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 3631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:11,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [714 Valid, 463 Invalid, 3631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3510 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-19 13:25:11,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9957 states. [2021-11-19 13:25:12,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9957 to 5280. [2021-11-19 13:25:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5280 states, 5206 states have (on average 2.01651940069151) internal successors, (10498), 5279 states have internal predecessors, (10498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:12,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5280 states to 5280 states and 10498 transitions. [2021-11-19 13:25:12,044 INFO L78 Accepts]: Start accepts. Automaton has 5280 states and 10498 transitions. Word has length 24 [2021-11-19 13:25:12,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:12,044 INFO L470 AbstractCegarLoop]: Abstraction has 5280 states and 10498 transitions. [2021-11-19 13:25:12,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:12,044 INFO L276 IsEmpty]: Start isEmpty. Operand 5280 states and 10498 transitions. [2021-11-19 13:25:12,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:12,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:12,045 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:12,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-19 13:25:12,046 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:12,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:12,046 INFO L85 PathProgramCache]: Analyzing trace with hash -2105674616, now seen corresponding path program 6 times [2021-11-19 13:25:12,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:12,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23305582] [2021-11-19 13:25:12,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:12,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:12,601 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:12,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23305582] [2021-11-19 13:25:12,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23305582] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:12,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:12,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:25:12,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135009752] [2021-11-19 13:25:12,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:12,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:25:12,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:12,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:25:12,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:25:12,603 INFO L87 Difference]: Start difference. First operand 5280 states and 10498 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:18,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:18,026 INFO L93 Difference]: Finished difference Result 9956 states and 19766 transitions. [2021-11-19 13:25:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 13:25:18,027 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:25:18,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:18,044 INFO L225 Difference]: With dead ends: 9956 [2021-11-19 13:25:18,044 INFO L226 Difference]: Without dead ends: 9956 [2021-11-19 13:25:18,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=243, Invalid=627, Unknown=0, NotChecked=0, Total=870 [2021-11-19 13:25:18,045 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 715 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 4178 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 4296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:18,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 489 Invalid, 4296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 4178 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-19 13:25:18,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9956 states. [2021-11-19 13:25:18,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9956 to 5288. [2021-11-19 13:25:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5288 states, 5214 states have (on average 2.016494054468738) internal successors, (10514), 5287 states have internal predecessors, (10514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5288 states to 5288 states and 10514 transitions. [2021-11-19 13:25:18,154 INFO L78 Accepts]: Start accepts. Automaton has 5288 states and 10514 transitions. Word has length 24 [2021-11-19 13:25:18,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:18,155 INFO L470 AbstractCegarLoop]: Abstraction has 5288 states and 10514 transitions. [2021-11-19 13:25:18,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:18,155 INFO L276 IsEmpty]: Start isEmpty. Operand 5288 states and 10514 transitions. [2021-11-19 13:25:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:18,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:18,156 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:18,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-19 13:25:18,157 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:18,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:18,157 INFO L85 PathProgramCache]: Analyzing trace with hash 568275318, now seen corresponding path program 7 times [2021-11-19 13:25:18,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:18,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029358062] [2021-11-19 13:25:18,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:18,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:18,637 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:18,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029358062] [2021-11-19 13:25:18,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029358062] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:18,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:18,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:25:18,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446565319] [2021-11-19 13:25:18,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:18,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:25:18,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:18,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:25:18,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:25:18,639 INFO L87 Difference]: Start difference. First operand 5288 states and 10514 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:22,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:22,405 INFO L93 Difference]: Finished difference Result 9948 states and 19750 transitions. [2021-11-19 13:25:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 13:25:22,405 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:25:22,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:22,422 INFO L225 Difference]: With dead ends: 9948 [2021-11-19 13:25:22,422 INFO L226 Difference]: Without dead ends: 9948 [2021-11-19 13:25:22,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:25:22,423 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 648 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 3256 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 3335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 3256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:22,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 450 Invalid, 3335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 3256 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:25:22,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9948 states. [2021-11-19 13:25:22,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9948 to 5291. [2021-11-19 13:25:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5291 states, 5217 states have (on average 2.016484569676059) internal successors, (10520), 5290 states have internal predecessors, (10520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:22,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5291 states to 5291 states and 10520 transitions. [2021-11-19 13:25:22,539 INFO L78 Accepts]: Start accepts. Automaton has 5291 states and 10520 transitions. Word has length 24 [2021-11-19 13:25:22,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:22,539 INFO L470 AbstractCegarLoop]: Abstraction has 5291 states and 10520 transitions. [2021-11-19 13:25:22,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 5291 states and 10520 transitions. [2021-11-19 13:25:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:22,541 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:22,541 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:22,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-19 13:25:22,541 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:22,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:22,542 INFO L85 PathProgramCache]: Analyzing trace with hash 573954828, now seen corresponding path program 8 times [2021-11-19 13:25:22,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:22,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386037615] [2021-11-19 13:25:22,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:22,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:23,002 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:23,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386037615] [2021-11-19 13:25:23,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386037615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:23,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:23,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:25:23,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116163390] [2021-11-19 13:25:23,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:23,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:25:23,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:23,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:25:23,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:25:23,004 INFO L87 Difference]: Start difference. First operand 5291 states and 10520 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:26,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:26,705 INFO L93 Difference]: Finished difference Result 9972 states and 19798 transitions. [2021-11-19 13:25:26,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:25:26,706 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:25:26,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:26,722 INFO L225 Difference]: With dead ends: 9972 [2021-11-19 13:25:26,723 INFO L226 Difference]: Without dead ends: 9972 [2021-11-19 13:25:26,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=226, Invalid=586, Unknown=0, NotChecked=0, Total=812 [2021-11-19 13:25:26,723 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 635 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 2901 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 3002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:26,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [635 Valid, 440 Invalid, 3002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2901 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-19 13:25:26,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9972 states. [2021-11-19 13:25:26,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9972 to 5290. [2021-11-19 13:25:26,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5290 states, 5216 states have (on average 2.0164877300613497) internal successors, (10518), 5289 states have internal predecessors, (10518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:26,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5290 states to 5290 states and 10518 transitions. [2021-11-19 13:25:26,834 INFO L78 Accepts]: Start accepts. Automaton has 5290 states and 10518 transitions. Word has length 24 [2021-11-19 13:25:26,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:26,834 INFO L470 AbstractCegarLoop]: Abstraction has 5290 states and 10518 transitions. [2021-11-19 13:25:26,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 5290 states and 10518 transitions. [2021-11-19 13:25:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:26,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:26,835 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:26,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-19 13:25:26,836 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:26,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:26,836 INFO L85 PathProgramCache]: Analyzing trace with hash 750913368, now seen corresponding path program 9 times [2021-11-19 13:25:26,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:26,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166061151] [2021-11-19 13:25:26,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:26,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:27,312 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:27,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166061151] [2021-11-19 13:25:27,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166061151] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:27,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:27,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:25:27,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572399759] [2021-11-19 13:25:27,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:27,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:25:27,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:27,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:25:27,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:25:27,314 INFO L87 Difference]: Start difference. First operand 5290 states and 10518 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:31,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:31,292 INFO L93 Difference]: Finished difference Result 9996 states and 19846 transitions. [2021-11-19 13:25:31,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:25:31,293 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:25:31,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:31,310 INFO L225 Difference]: With dead ends: 9996 [2021-11-19 13:25:31,310 INFO L226 Difference]: Without dead ends: 9996 [2021-11-19 13:25:31,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2021-11-19 13:25:31,311 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 606 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 3303 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 3394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:31,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [606 Valid, 456 Invalid, 3394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3303 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-19 13:25:31,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9996 states. [2021-11-19 13:25:31,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9996 to 5289. [2021-11-19 13:25:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5289 states, 5215 states have (on average 2.016490891658677) internal successors, (10516), 5288 states have internal predecessors, (10516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5289 states to 5289 states and 10516 transitions. [2021-11-19 13:25:31,506 INFO L78 Accepts]: Start accepts. Automaton has 5289 states and 10516 transitions. Word has length 24 [2021-11-19 13:25:31,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:31,506 INFO L470 AbstractCegarLoop]: Abstraction has 5289 states and 10516 transitions. [2021-11-19 13:25:31,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5289 states and 10516 transitions. [2021-11-19 13:25:31,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:31,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:31,509 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:31,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-19 13:25:31,509 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:31,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:31,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1969366442, now seen corresponding path program 10 times [2021-11-19 13:25:31,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:31,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061426172] [2021-11-19 13:25:31,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:31,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:31,991 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:31,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061426172] [2021-11-19 13:25:31,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061426172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:31,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:31,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:25:31,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167441485] [2021-11-19 13:25:31,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:31,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:25:31,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:31,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:25:31,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:25:31,992 INFO L87 Difference]: Start difference. First operand 5289 states and 10516 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:35,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:35,368 INFO L93 Difference]: Finished difference Result 9981 states and 19816 transitions. [2021-11-19 13:25:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:25:35,369 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:25:35,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:35,384 INFO L225 Difference]: With dead ends: 9981 [2021-11-19 13:25:35,384 INFO L226 Difference]: Without dead ends: 9981 [2021-11-19 13:25:35,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2021-11-19 13:25:35,385 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 612 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 2880 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 2971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:35,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [612 Valid, 441 Invalid, 2971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2880 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:25:35,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9981 states. [2021-11-19 13:25:35,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9981 to 5297. [2021-11-19 13:25:35,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5297 states, 5223 states have (on average 2.0164656327780968) internal successors, (10532), 5296 states have internal predecessors, (10532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5297 states to 5297 states and 10532 transitions. [2021-11-19 13:25:35,547 INFO L78 Accepts]: Start accepts. Automaton has 5297 states and 10532 transitions. Word has length 24 [2021-11-19 13:25:35,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:35,547 INFO L470 AbstractCegarLoop]: Abstraction has 5297 states and 10532 transitions. [2021-11-19 13:25:35,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:35,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5297 states and 10532 transitions. [2021-11-19 13:25:35,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:35,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:35,549 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:35,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-19 13:25:35,549 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:35,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:35,550 INFO L85 PathProgramCache]: Analyzing trace with hash -775434074, now seen corresponding path program 11 times [2021-11-19 13:25:35,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:35,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739699656] [2021-11-19 13:25:35,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:35,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:35,848 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:35,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739699656] [2021-11-19 13:25:35,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739699656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:35,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:35,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:25:35,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636772830] [2021-11-19 13:25:35,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:35,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:25:35,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:35,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:25:35,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:25:35,850 INFO L87 Difference]: Start difference. First operand 5297 states and 10532 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) [2021-11-19 13:25:38,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:38,659 INFO L93 Difference]: Finished difference Result 9185 states and 18256 transitions. [2021-11-19 13:25:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 13:25:38,660 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 [2021-11-19 13:25:38,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:38,674 INFO L225 Difference]: With dead ends: 9185 [2021-11-19 13:25:38,674 INFO L226 Difference]: Without dead ends: 9185 [2021-11-19 13:25:38,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2021-11-19 13:25:38,674 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 689 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:38,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 458 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1862 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 13:25:38,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9185 states. [2021-11-19 13:25:38,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9185 to 5301. [2021-11-19 13:25:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5301 states, 5227 states have (on average 2.0164530323321217) internal successors, (10540), 5300 states have internal predecessors, (10540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:38,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 10540 transitions. [2021-11-19 13:25:38,771 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 10540 transitions. Word has length 24 [2021-11-19 13:25:38,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:38,772 INFO L470 AbstractCegarLoop]: Abstraction has 5301 states and 10540 transitions. [2021-11-19 13:25:38,772 INFO L471 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) [2021-11-19 13:25:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 10540 transitions. [2021-11-19 13:25:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:38,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:38,773 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:38,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-19 13:25:38,774 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:38,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:38,774 INFO L85 PathProgramCache]: Analyzing trace with hash -769754564, now seen corresponding path program 12 times [2021-11-19 13:25:38,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:38,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686247917] [2021-11-19 13:25:38,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:38,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:39,032 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:39,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686247917] [2021-11-19 13:25:39,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686247917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:39,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:39,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:25:39,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136673365] [2021-11-19 13:25:39,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:39,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:25:39,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:39,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:25:39,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:25:39,033 INFO L87 Difference]: Start difference. First operand 5301 states and 10540 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) [2021-11-19 13:25:42,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:42,105 INFO L93 Difference]: Finished difference Result 9124 states and 18128 transitions. [2021-11-19 13:25:42,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:25:42,105 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 [2021-11-19 13:25:42,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:42,119 INFO L225 Difference]: With dead ends: 9124 [2021-11-19 13:25:42,120 INFO L226 Difference]: Without dead ends: 9124 [2021-11-19 13:25:42,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:25:42,120 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 669 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 2577 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:42,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [669 Valid, 488 Invalid, 2631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 2577 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:25:42,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2021-11-19 13:25:42,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 5300. [2021-11-19 13:25:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5300 states, 5226 states have (on average 2.016456180635285) internal successors, (10538), 5299 states have internal predecessors, (10538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 10538 transitions. [2021-11-19 13:25:42,223 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 10538 transitions. Word has length 24 [2021-11-19 13:25:42,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:42,224 INFO L470 AbstractCegarLoop]: Abstraction has 5300 states and 10538 transitions. [2021-11-19 13:25:42,224 INFO L471 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) [2021-11-19 13:25:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 10538 transitions. [2021-11-19 13:25:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:42,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:42,226 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:42,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-19 13:25:42,226 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:42,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:42,227 INFO L85 PathProgramCache]: Analyzing trace with hash -592796024, now seen corresponding path program 13 times [2021-11-19 13:25:42,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:42,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839087409] [2021-11-19 13:25:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:42,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:42,476 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:42,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839087409] [2021-11-19 13:25:42,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839087409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:42,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:42,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:25:42,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889442235] [2021-11-19 13:25:42,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:42,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:25:42,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:42,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:25:42,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:25:42,479 INFO L87 Difference]: Start difference. First operand 5300 states and 10538 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) [2021-11-19 13:25:45,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:45,156 INFO L93 Difference]: Finished difference Result 9148 states and 18176 transitions. [2021-11-19 13:25:45,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:25:45,156 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 [2021-11-19 13:25:45,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:45,172 INFO L225 Difference]: With dead ends: 9148 [2021-11-19 13:25:45,172 INFO L226 Difference]: Without dead ends: 9148 [2021-11-19 13:25:45,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:25:45,174 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 645 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 2006 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 2064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:45,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [645 Valid, 468 Invalid, 2064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2006 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 13:25:45,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9148 states. [2021-11-19 13:25:45,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9148 to 5299. [2021-11-19 13:25:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5299 states, 5225 states have (on average 2.0164593301435407) internal successors, (10536), 5298 states have internal predecessors, (10536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 5299 states and 10536 transitions. [2021-11-19 13:25:45,305 INFO L78 Accepts]: Start accepts. Automaton has 5299 states and 10536 transitions. Word has length 24 [2021-11-19 13:25:45,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:45,305 INFO L470 AbstractCegarLoop]: Abstraction has 5299 states and 10536 transitions. [2021-11-19 13:25:45,305 INFO L471 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) [2021-11-19 13:25:45,306 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 10536 transitions. [2021-11-19 13:25:45,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:45,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:45,307 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:45,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-19 13:25:45,307 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:45,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:45,308 INFO L85 PathProgramCache]: Analyzing trace with hash 625657050, now seen corresponding path program 14 times [2021-11-19 13:25:45,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:45,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178892667] [2021-11-19 13:25:45,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:45,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:45,559 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:45,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178892667] [2021-11-19 13:25:45,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178892667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:45,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:45,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:25:45,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283261312] [2021-11-19 13:25:45,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:45,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:25:45,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:45,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:25:45,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:25:45,561 INFO L87 Difference]: Start difference. First operand 5299 states and 10536 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) [2021-11-19 13:25:47,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:47,861 INFO L93 Difference]: Finished difference Result 9172 states and 18224 transitions. [2021-11-19 13:25:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:25:47,862 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 [2021-11-19 13:25:47,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:47,878 INFO L225 Difference]: With dead ends: 9172 [2021-11-19 13:25:47,879 INFO L226 Difference]: Without dead ends: 9172 [2021-11-19 13:25:47,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:25:47,880 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 623 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1794 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:47,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [623 Valid, 456 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1794 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 13:25:47,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9172 states. [2021-11-19 13:25:48,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9172 to 5298. [2021-11-19 13:25:48,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5298 states, 5224 states have (on average 2.0164624808575806) internal successors, (10534), 5297 states have internal predecessors, (10534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5298 states to 5298 states and 10534 transitions. [2021-11-19 13:25:48,037 INFO L78 Accepts]: Start accepts. Automaton has 5298 states and 10534 transitions. Word has length 24 [2021-11-19 13:25:48,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:48,037 INFO L470 AbstractCegarLoop]: Abstraction has 5298 states and 10534 transitions. [2021-11-19 13:25:48,037 INFO L471 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) [2021-11-19 13:25:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5298 states and 10534 transitions. [2021-11-19 13:25:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:48,039 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:48,039 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:48,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-19 13:25:48,039 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:48,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:48,040 INFO L85 PathProgramCache]: Analyzing trace with hash 619115944, now seen corresponding path program 15 times [2021-11-19 13:25:48,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:48,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296261340] [2021-11-19 13:25:48,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:48,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:48,309 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:48,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296261340] [2021-11-19 13:25:48,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296261340] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:48,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:48,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:25:48,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284848959] [2021-11-19 13:25:48,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:48,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:25:48,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:48,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:25:48,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:25:48,312 INFO L87 Difference]: Start difference. First operand 5298 states and 10534 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) [2021-11-19 13:25:51,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:51,090 INFO L93 Difference]: Finished difference Result 9181 states and 18242 transitions. [2021-11-19 13:25:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:25:51,090 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 [2021-11-19 13:25:51,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:51,105 INFO L225 Difference]: With dead ends: 9181 [2021-11-19 13:25:51,105 INFO L226 Difference]: Without dead ends: 9181 [2021-11-19 13:25:51,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:25:51,105 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 783 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:51,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [783 Valid, 576 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 13:25:51,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9181 states. [2021-11-19 13:25:51,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9181 to 5341. [2021-11-19 13:25:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5341 states, 5267 states have (on average 2.0172773875071197) internal successors, (10625), 5340 states have internal predecessors, (10625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5341 states to 5341 states and 10625 transitions. [2021-11-19 13:25:51,208 INFO L78 Accepts]: Start accepts. Automaton has 5341 states and 10625 transitions. Word has length 24 [2021-11-19 13:25:51,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:51,208 INFO L470 AbstractCegarLoop]: Abstraction has 5341 states and 10625 transitions. [2021-11-19 13:25:51,208 INFO L471 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) [2021-11-19 13:25:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 5341 states and 10625 transitions. [2021-11-19 13:25:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:51,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:51,210 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:51,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-19 13:25:51,210 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:51,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1058469843, now seen corresponding path program 1 times [2021-11-19 13:25:51,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:51,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601108173] [2021-11-19 13:25:51,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:51,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:51,373 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:51,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601108173] [2021-11-19 13:25:51,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601108173] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:51,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:51,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:25:51,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685818514] [2021-11-19 13:25:51,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:51,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:25:51,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:51,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:25:51,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:25:51,374 INFO L87 Difference]: Start difference. First operand 5341 states and 10625 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) [2021-11-19 13:25:54,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:54,964 INFO L93 Difference]: Finished difference Result 9070 states and 18016 transitions. [2021-11-19 13:25:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:25:54,965 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 [2021-11-19 13:25:54,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:54,981 INFO L225 Difference]: With dead ends: 9070 [2021-11-19 13:25:54,981 INFO L226 Difference]: Without dead ends: 9070 [2021-11-19 13:25:54,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:25:54,982 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 831 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 2825 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 2953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:54,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [831 Valid, 547 Invalid, 2953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2825 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-19 13:25:54,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9070 states. [2021-11-19 13:25:55,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9070 to 5399. [2021-11-19 13:25:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 5325 states have (on average 2.0178403755868546) internal successors, (10745), 5398 states have internal predecessors, (10745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 10745 transitions. [2021-11-19 13:25:55,092 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 10745 transitions. Word has length 24 [2021-11-19 13:25:55,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:55,092 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 10745 transitions. [2021-11-19 13:25:55,092 INFO L471 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) [2021-11-19 13:25:55,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 10745 transitions. [2021-11-19 13:25:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:55,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:55,094 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:55,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-19 13:25:55,094 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:55,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:55,095 INFO L85 PathProgramCache]: Analyzing trace with hash -105319190, now seen corresponding path program 19 times [2021-11-19 13:25:55,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:55,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224206870] [2021-11-19 13:25:55,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:55,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:55,667 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:55,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224206870] [2021-11-19 13:25:55,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224206870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:55,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:55,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:25:55,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505743626] [2021-11-19 13:25:55,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:55,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:25:55,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:55,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:25:55,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:25:55,668 INFO L87 Difference]: Start difference. First operand 5399 states and 10745 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:59,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:59,076 INFO L93 Difference]: Finished difference Result 10365 states and 20597 transitions. [2021-11-19 13:25:59,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:25:59,077 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:25:59,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:59,100 INFO L225 Difference]: With dead ends: 10365 [2021-11-19 13:25:59,100 INFO L226 Difference]: Without dead ends: 10365 [2021-11-19 13:25:59,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=270, Invalid=600, Unknown=0, NotChecked=0, Total=870 [2021-11-19 13:25:59,100 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 854 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 2407 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 2407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:59,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [854 Valid, 227 Invalid, 2567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 2407 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 13:25:59,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10365 states. [2021-11-19 13:25:59,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10365 to 5415. [2021-11-19 13:25:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5415 states, 5341 states have (on average 2.017786931286276) internal successors, (10777), 5414 states have internal predecessors, (10777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:25:59,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5415 states to 5415 states and 10777 transitions. [2021-11-19 13:25:59,224 INFO L78 Accepts]: Start accepts. Automaton has 5415 states and 10777 transitions. Word has length 24 [2021-11-19 13:25:59,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:25:59,225 INFO L470 AbstractCegarLoop]: Abstraction has 5415 states and 10777 transitions. [2021-11-19 13:25:59,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:25:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 5415 states and 10777 transitions. [2021-11-19 13:25:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:25:59,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:59,226 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:25:59,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-19 13:25:59,226 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:25:59,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:59,227 INFO L85 PathProgramCache]: Analyzing trace with hash 775433214, now seen corresponding path program 20 times [2021-11-19 13:25:59,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:25:59,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831056559] [2021-11-19 13:25:59,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:59,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:25:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:25:59,816 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:25:59,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831056559] [2021-11-19 13:25:59,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831056559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:59,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:59,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:25:59,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120642080] [2021-11-19 13:25:59,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:59,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:25:59,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:25:59,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:25:59,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:25:59,818 INFO L87 Difference]: Start difference. First operand 5415 states and 10777 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:02,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:02,857 INFO L93 Difference]: Finished difference Result 10383 states and 20633 transitions. [2021-11-19 13:26:02,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:26:02,857 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:26:02,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:02,874 INFO L225 Difference]: With dead ends: 10383 [2021-11-19 13:26:02,874 INFO L226 Difference]: Without dead ends: 10383 [2021-11-19 13:26:02,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=362, Invalid=760, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 13:26:02,875 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 868 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:02,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [868 Valid, 209 Invalid, 1956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 13:26:02,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2021-11-19 13:26:02,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 5403. [2021-11-19 13:26:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5403 states, 5329 states have (on average 2.017826984424845) internal successors, (10753), 5402 states have internal predecessors, (10753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5403 states to 5403 states and 10753 transitions. [2021-11-19 13:26:02,991 INFO L78 Accepts]: Start accepts. Automaton has 5403 states and 10753 transitions. Word has length 24 [2021-11-19 13:26:02,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:02,991 INFO L470 AbstractCegarLoop]: Abstraction has 5403 states and 10753 transitions. [2021-11-19 13:26:02,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:02,991 INFO L276 IsEmpty]: Start isEmpty. Operand 5403 states and 10753 transitions. [2021-11-19 13:26:02,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:02,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:02,993 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:02,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-19 13:26:02,993 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:02,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:02,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1144959298, now seen corresponding path program 16 times [2021-11-19 13:26:02,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:02,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896614260] [2021-11-19 13:26:02,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:02,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:03,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:03,226 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:03,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896614260] [2021-11-19 13:26:03,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896614260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:03,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:03,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:26:03,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664840325] [2021-11-19 13:26:03,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:03,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:26:03,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:03,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:26:03,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:26:03,229 INFO L87 Difference]: Start difference. First operand 5403 states and 10753 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) [2021-11-19 13:26:06,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:06,076 INFO L93 Difference]: Finished difference Result 12971 states and 25780 transitions. [2021-11-19 13:26:06,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:26:06,076 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 [2021-11-19 13:26:06,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:06,097 INFO L225 Difference]: With dead ends: 12971 [2021-11-19 13:26:06,097 INFO L226 Difference]: Without dead ends: 12971 [2021-11-19 13:26:06,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:26:06,098 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 773 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 2262 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:06,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [773 Valid, 607 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 13:26:06,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12971 states. [2021-11-19 13:26:06,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12971 to 5508. [2021-11-19 13:26:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5508 states, 5434 states have (on average 2.018770702981229) internal successors, (10970), 5507 states have internal predecessors, (10970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5508 states to 5508 states and 10970 transitions. [2021-11-19 13:26:06,220 INFO L78 Accepts]: Start accepts. Automaton has 5508 states and 10970 transitions. Word has length 24 [2021-11-19 13:26:06,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:06,220 INFO L470 AbstractCegarLoop]: Abstraction has 5508 states and 10970 transitions. [2021-11-19 13:26:06,220 INFO L471 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) [2021-11-19 13:26:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 5508 states and 10970 transitions. [2021-11-19 13:26:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:06,222 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:06,222 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:06,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-19 13:26:06,223 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:06,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:06,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1472422211, now seen corresponding path program 2 times [2021-11-19 13:26:06,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:06,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328741281] [2021-11-19 13:26:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:06,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:06,411 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:06,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328741281] [2021-11-19 13:26:06,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328741281] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:06,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:06,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:26:06,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628947690] [2021-11-19 13:26:06,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:06,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:26:06,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:06,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:26:06,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:26:06,413 INFO L87 Difference]: Start difference. First operand 5508 states and 10970 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) [2021-11-19 13:26:10,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:10,647 INFO L93 Difference]: Finished difference Result 13119 states and 26062 transitions. [2021-11-19 13:26:10,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:26:10,647 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 [2021-11-19 13:26:10,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:10,672 INFO L225 Difference]: With dead ends: 13119 [2021-11-19 13:26:10,672 INFO L226 Difference]: Without dead ends: 13119 [2021-11-19 13:26:10,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:26:10,673 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 870 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 3047 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 3211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 3047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:10,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [870 Valid, 568 Invalid, 3211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 3047 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-19 13:26:10,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13119 states. [2021-11-19 13:26:10,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13119 to 5618. [2021-11-19 13:26:10,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5618 states, 5544 states have (on average 2.020923520923521) internal successors, (11204), 5617 states have internal predecessors, (11204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5618 states to 5618 states and 11204 transitions. [2021-11-19 13:26:10,809 INFO L78 Accepts]: Start accepts. Automaton has 5618 states and 11204 transitions. Word has length 24 [2021-11-19 13:26:10,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:10,810 INFO L470 AbstractCegarLoop]: Abstraction has 5618 states and 11204 transitions. [2021-11-19 13:26:10,810 INFO L471 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) [2021-11-19 13:26:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 5618 states and 11204 transitions. [2021-11-19 13:26:10,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:10,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:10,811 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:10,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-19 13:26:10,812 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:10,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:10,812 INFO L85 PathProgramCache]: Analyzing trace with hash 826415222, now seen corresponding path program 17 times [2021-11-19 13:26:10,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:10,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446119992] [2021-11-19 13:26:10,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:10,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:11,058 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:11,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446119992] [2021-11-19 13:26:11,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446119992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:11,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:11,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:26:11,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566297534] [2021-11-19 13:26:11,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:11,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:26:11,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:11,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:26:11,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:26:11,060 INFO L87 Difference]: Start difference. First operand 5618 states and 11204 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) [2021-11-19 13:26:14,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:14,802 INFO L93 Difference]: Finished difference Result 12899 states and 25626 transitions. [2021-11-19 13:26:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:26:14,802 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 [2021-11-19 13:26:14,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:14,834 INFO L225 Difference]: With dead ends: 12899 [2021-11-19 13:26:14,834 INFO L226 Difference]: Without dead ends: 12899 [2021-11-19 13:26:14,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:26:14,835 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 671 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 2873 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 2895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:14,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 527 Invalid, 2895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2873 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-19 13:26:14,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12899 states. [2021-11-19 13:26:14,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12899 to 5623. [2021-11-19 13:26:14,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5623 states, 5549 states have (on average 2.020904667507659) internal successors, (11214), 5622 states have internal predecessors, (11214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:14,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5623 states to 5623 states and 11214 transitions. [2021-11-19 13:26:14,991 INFO L78 Accepts]: Start accepts. Automaton has 5623 states and 11214 transitions. Word has length 24 [2021-11-19 13:26:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:14,991 INFO L470 AbstractCegarLoop]: Abstraction has 5623 states and 11214 transitions. [2021-11-19 13:26:14,991 INFO L471 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) [2021-11-19 13:26:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 5623 states and 11214 transitions. [2021-11-19 13:26:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:14,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:14,993 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:14,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-19 13:26:14,993 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:14,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:14,993 INFO L85 PathProgramCache]: Analyzing trace with hash 832094732, now seen corresponding path program 18 times [2021-11-19 13:26:14,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:14,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94363642] [2021-11-19 13:26:14,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:14,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:15,279 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:15,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94363642] [2021-11-19 13:26:15,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94363642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:15,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:15,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:26:15,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362427951] [2021-11-19 13:26:15,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:15,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:26:15,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:15,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:26:15,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:26:15,280 INFO L87 Difference]: Start difference. First operand 5623 states and 11214 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) [2021-11-19 13:26:18,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:18,569 INFO L93 Difference]: Finished difference Result 12923 states and 25674 transitions. [2021-11-19 13:26:18,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:26:18,570 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 [2021-11-19 13:26:18,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:18,592 INFO L225 Difference]: With dead ends: 12923 [2021-11-19 13:26:18,593 INFO L226 Difference]: Without dead ends: 12923 [2021-11-19 13:26:18,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:26:18,594 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 675 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:18,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [675 Valid, 520 Invalid, 2485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2452 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 13:26:18,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12923 states. [2021-11-19 13:26:18,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12923 to 5631. [2021-11-19 13:26:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5631 states, 5557 states have (on average 2.0208745726111212) internal successors, (11230), 5630 states have internal predecessors, (11230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:18,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5631 states to 5631 states and 11230 transitions. [2021-11-19 13:26:18,719 INFO L78 Accepts]: Start accepts. Automaton has 5631 states and 11230 transitions. Word has length 24 [2021-11-19 13:26:18,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:18,720 INFO L470 AbstractCegarLoop]: Abstraction has 5631 states and 11230 transitions. [2021-11-19 13:26:18,720 INFO L471 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) [2021-11-19 13:26:18,720 INFO L276 IsEmpty]: Start isEmpty. Operand 5631 states and 11230 transitions. [2021-11-19 13:26:18,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:18,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:18,721 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:18,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-19 13:26:18,722 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:18,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:18,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1009053272, now seen corresponding path program 19 times [2021-11-19 13:26:18,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:18,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423340047] [2021-11-19 13:26:18,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:18,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:18,924 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:18,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423340047] [2021-11-19 13:26:18,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423340047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:18,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:18,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:26:18,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495307863] [2021-11-19 13:26:18,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:18,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:26:18,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:18,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:26:18,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:26:18,925 INFO L87 Difference]: Start difference. First operand 5631 states and 11230 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) [2021-11-19 13:26:21,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:21,987 INFO L93 Difference]: Finished difference Result 12947 states and 25722 transitions. [2021-11-19 13:26:21,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:26:21,988 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 [2021-11-19 13:26:21,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:22,006 INFO L225 Difference]: With dead ends: 12947 [2021-11-19 13:26:22,006 INFO L226 Difference]: Without dead ends: 12947 [2021-11-19 13:26:22,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:26:22,007 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 629 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:22,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [629 Valid, 503 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 13:26:22,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12947 states. [2021-11-19 13:26:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12947 to 5639. [2021-11-19 13:26:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5639 states, 5565 states have (on average 2.020844564240791) internal successors, (11246), 5638 states have internal predecessors, (11246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:22,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5639 states to 5639 states and 11246 transitions. [2021-11-19 13:26:22,123 INFO L78 Accepts]: Start accepts. Automaton has 5639 states and 11246 transitions. Word has length 24 [2021-11-19 13:26:22,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:22,123 INFO L470 AbstractCegarLoop]: Abstraction has 5639 states and 11246 transitions. [2021-11-19 13:26:22,124 INFO L471 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) [2021-11-19 13:26:22,124 INFO L276 IsEmpty]: Start isEmpty. Operand 5639 states and 11246 transitions. [2021-11-19 13:26:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:22,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:22,125 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:22,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-19 13:26:22,125 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:22,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:22,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2067460950, now seen corresponding path program 20 times [2021-11-19 13:26:22,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:22,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413881665] [2021-11-19 13:26:22,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:22,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:22,323 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:22,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413881665] [2021-11-19 13:26:22,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413881665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:22,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:22,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:26:22,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476802409] [2021-11-19 13:26:22,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:22,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:26:22,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:22,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:26:22,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:26:22,328 INFO L87 Difference]: Start difference. First operand 5639 states and 11246 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) [2021-11-19 13:26:25,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:25,276 INFO L93 Difference]: Finished difference Result 12971 states and 25770 transitions. [2021-11-19 13:26:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:26:25,277 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 [2021-11-19 13:26:25,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:25,299 INFO L225 Difference]: With dead ends: 12971 [2021-11-19 13:26:25,299 INFO L226 Difference]: Without dead ends: 12971 [2021-11-19 13:26:25,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:26:25,300 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 604 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 2393 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 2437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:25,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 511 Invalid, 2437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2393 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:26:25,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12971 states. [2021-11-19 13:26:25,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12971 to 5647. [2021-11-19 13:26:25,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5647 states, 5573 states have (on average 2.0208146420240447) internal successors, (11262), 5646 states have internal predecessors, (11262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5647 states to 5647 states and 11262 transitions. [2021-11-19 13:26:25,425 INFO L78 Accepts]: Start accepts. Automaton has 5647 states and 11262 transitions. Word has length 24 [2021-11-19 13:26:25,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:25,426 INFO L470 AbstractCegarLoop]: Abstraction has 5647 states and 11262 transitions. [2021-11-19 13:26:25,426 INFO L471 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) [2021-11-19 13:26:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 5647 states and 11262 transitions. [2021-11-19 13:26:25,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:25,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:25,427 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:25,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-19 13:26:25,428 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:25,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:25,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2074002056, now seen corresponding path program 21 times [2021-11-19 13:26:25,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:25,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603025483] [2021-11-19 13:26:25,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:25,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:25,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:25,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603025483] [2021-11-19 13:26:25,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603025483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:25,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:25,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:26:25,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436893835] [2021-11-19 13:26:25,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:25,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:26:25,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:25,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:26:25,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:26:25,637 INFO L87 Difference]: Start difference. First operand 5647 states and 11262 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) [2021-11-19 13:26:29,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:29,491 INFO L93 Difference]: Finished difference Result 16318 states and 32407 transitions. [2021-11-19 13:26:29,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:26:29,491 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 [2021-11-19 13:26:29,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:29,524 INFO L225 Difference]: With dead ends: 16318 [2021-11-19 13:26:29,524 INFO L226 Difference]: Without dead ends: 16318 [2021-11-19 13:26:29,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:26:29,525 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 792 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 3117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:29,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [792 Valid, 698 Invalid, 3117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 3064 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 13:26:29,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16318 states. [2021-11-19 13:26:29,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16318 to 5639. [2021-11-19 13:26:29,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5639 states, 5565 states have (on average 2.0206648697214735) internal successors, (11245), 5638 states have internal predecessors, (11245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:29,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5639 states to 5639 states and 11245 transitions. [2021-11-19 13:26:29,688 INFO L78 Accepts]: Start accepts. Automaton has 5639 states and 11245 transitions. Word has length 24 [2021-11-19 13:26:29,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:29,689 INFO L470 AbstractCegarLoop]: Abstraction has 5639 states and 11245 transitions. [2021-11-19 13:26:29,689 INFO L471 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) [2021-11-19 13:26:29,689 INFO L276 IsEmpty]: Start isEmpty. Operand 5639 states and 11245 transitions. [2021-11-19 13:26:29,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:29,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:29,690 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:29,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-11-19 13:26:29,691 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:29,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:29,691 INFO L85 PathProgramCache]: Analyzing trace with hash 543379453, now seen corresponding path program 3 times [2021-11-19 13:26:29,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:29,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744434789] [2021-11-19 13:26:29,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:29,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:29,908 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:29,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744434789] [2021-11-19 13:26:29,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744434789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:29,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:29,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:26:29,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600693701] [2021-11-19 13:26:29,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:29,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:26:29,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:29,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:26:29,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:26:29,909 INFO L87 Difference]: Start difference. First operand 5639 states and 11245 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) [2021-11-19 13:26:35,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:35,642 INFO L93 Difference]: Finished difference Result 16593 states and 32937 transitions. [2021-11-19 13:26:35,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-19 13:26:35,642 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 [2021-11-19 13:26:35,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:35,671 INFO L225 Difference]: With dead ends: 16593 [2021-11-19 13:26:35,671 INFO L226 Difference]: Without dead ends: 16593 [2021-11-19 13:26:35,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=381, Invalid=879, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 13:26:35,672 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 858 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 4484 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 4631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 4484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:35,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [858 Valid, 647 Invalid, 4631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 4484 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-19 13:26:35,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16593 states. [2021-11-19 13:26:35,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16593 to 5583. [2021-11-19 13:26:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5509 states have (on average 2.0208749319295696) internal successors, (11133), 5582 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) [2021-11-19 13:26:35,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 11133 transitions. [2021-11-19 13:26:35,824 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 11133 transitions. Word has length 24 [2021-11-19 13:26:35,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:35,824 INFO L470 AbstractCegarLoop]: Abstraction has 5583 states and 11133 transitions. [2021-11-19 13:26:35,824 INFO L471 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) [2021-11-19 13:26:35,824 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 11133 transitions. [2021-11-19 13:26:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:35,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:35,826 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:35,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-19 13:26:35,826 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:35,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:35,826 INFO L85 PathProgramCache]: Analyzing trace with hash -227935816, now seen corresponding path program 21 times [2021-11-19 13:26:35,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:35,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017068684] [2021-11-19 13:26:35,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:35,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:36,381 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:36,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017068684] [2021-11-19 13:26:36,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017068684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:36,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:36,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:26:36,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344336050] [2021-11-19 13:26:36,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:36,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:26:36,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:36,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:26:36,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:26:36,383 INFO L87 Difference]: Start difference. First operand 5583 states and 11133 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:39,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:39,931 INFO L93 Difference]: Finished difference Result 10402 states and 20691 transitions. [2021-11-19 13:26:39,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:26:39,931 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:26:39,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:39,950 INFO L225 Difference]: With dead ends: 10402 [2021-11-19 13:26:39,950 INFO L226 Difference]: Without dead ends: 10402 [2021-11-19 13:26:39,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=255, Invalid=615, Unknown=0, NotChecked=0, Total=870 [2021-11-19 13:26:39,951 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 770 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2443 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 2602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 2443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:39,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [770 Valid, 228 Invalid, 2602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 2443 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 13:26:39,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10402 states. [2021-11-19 13:26:40,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10402 to 5607. [2021-11-19 13:26:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5607 states, 5533 states have (on average 2.020784384601482) internal successors, (11181), 5606 states have internal predecessors, (11181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5607 states to 5607 states and 11181 transitions. [2021-11-19 13:26:40,076 INFO L78 Accepts]: Start accepts. Automaton has 5607 states and 11181 transitions. Word has length 24 [2021-11-19 13:26:40,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:40,076 INFO L470 AbstractCegarLoop]: Abstraction has 5607 states and 11181 transitions. [2021-11-19 13:26:40,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:40,076 INFO L276 IsEmpty]: Start isEmpty. Operand 5607 states and 11181 transitions. [2021-11-19 13:26:40,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:40,077 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:40,077 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:40,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-11-19 13:26:40,078 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:40,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:40,078 INFO L85 PathProgramCache]: Analyzing trace with hash 652816588, now seen corresponding path program 22 times [2021-11-19 13:26:40,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:40,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254378060] [2021-11-19 13:26:40,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:40,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:40,667 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:40,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254378060] [2021-11-19 13:26:40,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254378060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:40,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:40,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:26:40,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320525179] [2021-11-19 13:26:40,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:40,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:26:40,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:40,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:26:40,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:26:40,669 INFO L87 Difference]: Start difference. First operand 5607 states and 11181 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:44,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:44,080 INFO L93 Difference]: Finished difference Result 10426 states and 20739 transitions. [2021-11-19 13:26:44,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 13:26:44,081 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:26:44,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:44,099 INFO L225 Difference]: With dead ends: 10426 [2021-11-19 13:26:44,099 INFO L226 Difference]: Without dead ends: 10426 [2021-11-19 13:26:44,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=371, Invalid=819, Unknown=0, NotChecked=0, Total=1190 [2021-11-19 13:26:44,100 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 849 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:44,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [849 Valid, 212 Invalid, 2180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:26:44,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10426 states. [2021-11-19 13:26:44,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10426 to 5595. [2021-11-19 13:26:44,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5521 states have (on average 2.0208295598623436) internal successors, (11157), 5594 states have internal predecessors, (11157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 11157 transitions. [2021-11-19 13:26:44,218 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 11157 transitions. Word has length 24 [2021-11-19 13:26:44,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:44,218 INFO L470 AbstractCegarLoop]: Abstraction has 5595 states and 11157 transitions. [2021-11-19 13:26:44,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 11157 transitions. [2021-11-19 13:26:44,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:44,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:44,220 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:44,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-11-19 13:26:44,220 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:44,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:44,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1736803626, now seen corresponding path program 23 times [2021-11-19 13:26:44,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:44,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95734653] [2021-11-19 13:26:44,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:44,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:44,719 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:44,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95734653] [2021-11-19 13:26:44,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95734653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:44,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:44,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:26:44,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415633582] [2021-11-19 13:26:44,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:44,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:26:44,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:44,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:26:44,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:26:44,720 INFO L87 Difference]: Start difference. First operand 5595 states and 11157 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:49,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:49,824 INFO L93 Difference]: Finished difference Result 10416 states and 20719 transitions. [2021-11-19 13:26:49,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 13:26:49,825 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:26:49,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:49,843 INFO L225 Difference]: With dead ends: 10416 [2021-11-19 13:26:49,843 INFO L226 Difference]: Without dead ends: 10416 [2021-11-19 13:26:49,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=419, Invalid=913, Unknown=0, NotChecked=0, Total=1332 [2021-11-19 13:26:49,843 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 791 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 3513 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 3652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 3513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:49,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [791 Valid, 252 Invalid, 3652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 3513 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-19 13:26:49,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10416 states. [2021-11-19 13:26:49,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10416 to 5596. [2021-11-19 13:26:49,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5596 states, 5522 states have (on average 2.0208257877580587) internal successors, (11159), 5595 states have internal predecessors, (11159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5596 states to 5596 states and 11159 transitions. [2021-11-19 13:26:49,993 INFO L78 Accepts]: Start accepts. Automaton has 5596 states and 11159 transitions. Word has length 24 [2021-11-19 13:26:49,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:49,993 INFO L470 AbstractCegarLoop]: Abstraction has 5596 states and 11159 transitions. [2021-11-19 13:26:49,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 5596 states and 11159 transitions. [2021-11-19 13:26:49,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:49,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:49,995 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:49,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-11-19 13:26:49,995 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:49,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:49,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2096976816, now seen corresponding path program 24 times [2021-11-19 13:26:49,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:49,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409823546] [2021-11-19 13:26:49,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:49,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:50,497 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:50,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409823546] [2021-11-19 13:26:50,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409823546] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:50,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:50,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:26:50,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61702976] [2021-11-19 13:26:50,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:50,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:26:50,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:50,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:26:50,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:26:50,498 INFO L87 Difference]: Start difference. First operand 5596 states and 11159 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:54,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:54,440 INFO L93 Difference]: Finished difference Result 10420 states and 20727 transitions. [2021-11-19 13:26:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-19 13:26:54,441 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:26:54,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:54,457 INFO L225 Difference]: With dead ends: 10420 [2021-11-19 13:26:54,457 INFO L226 Difference]: Without dead ends: 10420 [2021-11-19 13:26:54,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=455, Invalid=1027, Unknown=0, NotChecked=0, Total=1482 [2021-11-19 13:26:54,458 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 848 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 2555 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 2715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 2555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:54,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [848 Valid, 228 Invalid, 2715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 2555 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 13:26:54,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10420 states. [2021-11-19 13:26:54,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10420 to 5583. [2021-11-19 13:26:54,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5509 states have (on average 2.0208749319295696) internal successors, (11133), 5582 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) [2021-11-19 13:26:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 11133 transitions. [2021-11-19 13:26:54,566 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 11133 transitions. Word has length 24 [2021-11-19 13:26:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:54,566 INFO L470 AbstractCegarLoop]: Abstraction has 5583 states and 11133 transitions. [2021-11-19 13:26:54,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 11133 transitions. [2021-11-19 13:26:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:54,568 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:54,568 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:54,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-11-19 13:26:54,568 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:54,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:54,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1980379588, now seen corresponding path program 25 times [2021-11-19 13:26:54,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:54,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578099449] [2021-11-19 13:26:54,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:54,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:55,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:55,117 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:55,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578099449] [2021-11-19 13:26:55,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578099449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:55,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:55,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:26:55,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825438156] [2021-11-19 13:26:55,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:55,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:26:55,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:55,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:26:55,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:26:55,118 INFO L87 Difference]: Start difference. First operand 5583 states and 11133 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:57,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:57,754 INFO L93 Difference]: Finished difference Result 10432 states and 20751 transitions. [2021-11-19 13:26:57,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:26:57,755 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:26:57,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:57,803 INFO L225 Difference]: With dead ends: 10432 [2021-11-19 13:26:57,804 INFO L226 Difference]: Without dead ends: 10432 [2021-11-19 13:26:57,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=250, Invalid=620, Unknown=0, NotChecked=0, Total=870 [2021-11-19 13:26:57,804 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 741 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 2143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:57,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [741 Valid, 218 Invalid, 2143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 13:26:57,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10432 states. [2021-11-19 13:26:57,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10432 to 5619. [2021-11-19 13:26:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5619 states, 5545 states have (on average 2.0207394048692517) internal successors, (11205), 5618 states have internal predecessors, (11205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:57,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5619 states to 5619 states and 11205 transitions. [2021-11-19 13:26:57,889 INFO L78 Accepts]: Start accepts. Automaton has 5619 states and 11205 transitions. Word has length 24 [2021-11-19 13:26:57,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:57,889 INFO L470 AbstractCegarLoop]: Abstraction has 5619 states and 11205 transitions. [2021-11-19 13:26:57,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:26:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 5619 states and 11205 transitions. [2021-11-19 13:26:57,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:26:57,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:57,891 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:26:57,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-11-19 13:26:57,891 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:26:57,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:57,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1433835304, now seen corresponding path program 26 times [2021-11-19 13:26:57,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:26:57,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077273409] [2021-11-19 13:26:57,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:57,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:26:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:58,261 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:26:58,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077273409] [2021-11-19 13:26:58,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077273409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:58,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:58,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:26:58,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392895064] [2021-11-19 13:26:58,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:58,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:26:58,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:26:58,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:26:58,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:26:58,262 INFO L87 Difference]: Start difference. First operand 5619 states and 11205 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:27:01,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:01,172 INFO L93 Difference]: Finished difference Result 10448 states and 20783 transitions. [2021-11-19 13:27:01,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 13:27:01,172 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:27:01,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:01,188 INFO L225 Difference]: With dead ends: 10448 [2021-11-19 13:27:01,188 INFO L226 Difference]: Without dead ends: 10448 [2021-11-19 13:27:01,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=299, Invalid=693, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:27:01,189 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 797 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 2523 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 2675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 2523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:01,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [797 Valid, 231 Invalid, 2675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 2523 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 13:27:01,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10448 states. [2021-11-19 13:27:01,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10448 to 5607. [2021-11-19 13:27:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5607 states, 5533 states have (on average 2.020784384601482) internal successors, (11181), 5606 states have internal predecessors, (11181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5607 states to 5607 states and 11181 transitions. [2021-11-19 13:27:01,314 INFO L78 Accepts]: Start accepts. Automaton has 5607 states and 11181 transitions. Word has length 24 [2021-11-19 13:27:01,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:01,314 INFO L470 AbstractCegarLoop]: Abstraction has 5607 states and 11181 transitions. [2021-11-19 13:27:01,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:27:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 5607 states and 11181 transitions. [2021-11-19 13:27:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:01,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:01,316 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:01,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-11-19 13:27:01,316 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:01,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:01,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1041002936, now seen corresponding path program 27 times [2021-11-19 13:27:01,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:01,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729090670] [2021-11-19 13:27:01,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:01,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:01,762 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:01,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729090670] [2021-11-19 13:27:01,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729090670] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:01,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:01,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:27:01,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527518940] [2021-11-19 13:27:01,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:01,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:27:01,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:01,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:27:01,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:27:01,764 INFO L87 Difference]: Start difference. First operand 5607 states and 11181 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:27:05,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:05,754 INFO L93 Difference]: Finished difference Result 10450 states and 20787 transitions. [2021-11-19 13:27:05,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-19 13:27:05,754 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:27:05,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:05,773 INFO L225 Difference]: With dead ends: 10450 [2021-11-19 13:27:05,773 INFO L226 Difference]: Without dead ends: 10450 [2021-11-19 13:27:05,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=428, Invalid=978, Unknown=0, NotChecked=0, Total=1406 [2021-11-19 13:27:05,774 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 828 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2621 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 2779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 2621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:05,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [828 Valid, 228 Invalid, 2779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 2621 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 13:27:05,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10450 states. [2021-11-19 13:27:05,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10450 to 5608. [2021-11-19 13:27:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5608 states, 5534 states have (on average 2.0207806288398986) internal successors, (11183), 5607 states have internal predecessors, (11183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5608 states to 5608 states and 11183 transitions. [2021-11-19 13:27:05,906 INFO L78 Accepts]: Start accepts. Automaton has 5608 states and 11183 transitions. Word has length 24 [2021-11-19 13:27:05,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:05,907 INFO L470 AbstractCegarLoop]: Abstraction has 5608 states and 11183 transitions. [2021-11-19 13:27:05,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:27:05,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5608 states and 11183 transitions. [2021-11-19 13:27:05,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:05,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:05,908 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:05,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-11-19 13:27:05,909 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:05,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:05,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1401176126, now seen corresponding path program 28 times [2021-11-19 13:27:05,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:05,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664591649] [2021-11-19 13:27:05,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:05,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:06,345 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:06,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664591649] [2021-11-19 13:27:06,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664591649] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:06,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:06,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:27:06,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480683403] [2021-11-19 13:27:06,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:06,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:27:06,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:06,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:27:06,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:27:06,347 INFO L87 Difference]: Start difference. First operand 5608 states and 11183 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:27:11,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:11,200 INFO L93 Difference]: Finished difference Result 10458 states and 20803 transitions. [2021-11-19 13:27:11,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-19 13:27:11,201 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:27:11,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:11,218 INFO L225 Difference]: With dead ends: 10458 [2021-11-19 13:27:11,218 INFO L226 Difference]: Without dead ends: 10458 [2021-11-19 13:27:11,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=464, Invalid=1096, Unknown=0, NotChecked=0, Total=1560 [2021-11-19 13:27:11,219 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 829 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 3321 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 3477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 3321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:11,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [829 Valid, 244 Invalid, 3477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 3321 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 13:27:11,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10458 states. [2021-11-19 13:27:11,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10458 to 5583. [2021-11-19 13:27:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5509 states have (on average 2.0208749319295696) internal successors, (11133), 5582 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) [2021-11-19 13:27:11,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 11133 transitions. [2021-11-19 13:27:11,336 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 11133 transitions. Word has length 24 [2021-11-19 13:27:11,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:11,336 INFO L470 AbstractCegarLoop]: Abstraction has 5583 states and 11133 transitions. [2021-11-19 13:27:11,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:27:11,336 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 11133 transitions. [2021-11-19 13:27:11,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:11,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:11,338 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:11,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-11-19 13:27:11,338 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:11,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:11,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1895934672, now seen corresponding path program 29 times [2021-11-19 13:27:11,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:11,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147381189] [2021-11-19 13:27:11,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:11,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:11,851 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:11,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147381189] [2021-11-19 13:27:11,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147381189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:11,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:11,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:27:11,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937330664] [2021-11-19 13:27:11,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:11,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:27:11,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:11,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:27:11,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:27:11,852 INFO L87 Difference]: Start difference. First operand 5583 states and 11133 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:27:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:16,372 INFO L93 Difference]: Finished difference Result 5905 states and 11768 transitions. [2021-11-19 13:27:16,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 13:27:16,373 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:27:16,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:16,381 INFO L225 Difference]: With dead ends: 5905 [2021-11-19 13:27:16,381 INFO L226 Difference]: Without dead ends: 5905 [2021-11-19 13:27:16,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=229, Invalid=473, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:27:16,381 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 414 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 3450 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 3523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 3450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:16,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 172 Invalid, 3523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 3450 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-19 13:27:16,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5905 states. [2021-11-19 13:27:16,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5905 to 5596. [2021-11-19 13:27:16,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5596 states, 5522 states have (on average 2.0208257877580587) internal successors, (11159), 5595 states have internal predecessors, (11159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5596 states to 5596 states and 11159 transitions. [2021-11-19 13:27:16,464 INFO L78 Accepts]: Start accepts. Automaton has 5596 states and 11159 transitions. Word has length 24 [2021-11-19 13:27:16,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:16,464 INFO L470 AbstractCegarLoop]: Abstraction has 5596 states and 11159 transitions. [2021-11-19 13:27:16,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:27:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 5596 states and 11159 transitions. [2021-11-19 13:27:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:16,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:16,466 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:16,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-11-19 13:27:16,466 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:16,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:16,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1015182268, now seen corresponding path program 30 times [2021-11-19 13:27:16,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:16,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555160979] [2021-11-19 13:27:16,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:16,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:17,116 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:17,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555160979] [2021-11-19 13:27:17,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555160979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:17,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:17,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:27:17,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247591806] [2021-11-19 13:27:17,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:17,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:27:17,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:17,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:27:17,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:27:17,118 INFO L87 Difference]: Start difference. First operand 5596 states and 11159 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:27:20,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:20,852 INFO L93 Difference]: Finished difference Result 5923 states and 11804 transitions. [2021-11-19 13:27:20,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 13:27:20,853 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:27:20,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:20,862 INFO L225 Difference]: With dead ends: 5923 [2021-11-19 13:27:20,862 INFO L226 Difference]: Without dead ends: 5923 [2021-11-19 13:27:20,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=315, Invalid=615, Unknown=0, NotChecked=0, Total=930 [2021-11-19 13:27:20,862 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 445 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:20,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [445 Valid, 155 Invalid, 2738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 2622 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:27:20,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5923 states. [2021-11-19 13:27:20,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5923 to 5583. [2021-11-19 13:27:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5509 states have (on average 2.0208749319295696) internal successors, (11133), 5582 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) [2021-11-19 13:27:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 11133 transitions. [2021-11-19 13:27:20,950 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 11133 transitions. Word has length 24 [2021-11-19 13:27:20,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:20,950 INFO L470 AbstractCegarLoop]: Abstraction has 5583 states and 11133 transitions. [2021-11-19 13:27:20,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:27:20,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 11133 transitions. [2021-11-19 13:27:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:20,952 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:20,952 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:20,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-11-19 13:27:20,952 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:20,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:20,953 INFO L85 PathProgramCache]: Analyzing trace with hash 753015534, now seen corresponding path program 22 times [2021-11-19 13:27:20,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:20,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407083673] [2021-11-19 13:27:20,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:20,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:21,204 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:21,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407083673] [2021-11-19 13:27:21,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407083673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:21,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:21,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:27:21,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436029815] [2021-11-19 13:27:21,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:21,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:27:21,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:21,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:27:21,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:27:21,205 INFO L87 Difference]: Start difference. First operand 5583 states and 11133 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) [2021-11-19 13:27:24,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:24,074 INFO L93 Difference]: Finished difference Result 16407 states and 32585 transitions. [2021-11-19 13:27:24,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 13:27:24,075 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 [2021-11-19 13:27:24,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:24,105 INFO L225 Difference]: With dead ends: 16407 [2021-11-19 13:27:24,105 INFO L226 Difference]: Without dead ends: 16407 [2021-11-19 13:27:24,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:27:24,106 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 791 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:24,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [791 Valid, 651 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 13:27:24,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16407 states. [2021-11-19 13:27:24,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16407 to 5625. [2021-11-19 13:27:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5625 states, 5551 states have (on average 2.020716987930103) internal successors, (11217), 5624 states have internal predecessors, (11217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:24,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5625 states to 5625 states and 11217 transitions. [2021-11-19 13:27:24,274 INFO L78 Accepts]: Start accepts. Automaton has 5625 states and 11217 transitions. Word has length 24 [2021-11-19 13:27:24,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:24,274 INFO L470 AbstractCegarLoop]: Abstraction has 5625 states and 11217 transitions. [2021-11-19 13:27:24,275 INFO L471 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) [2021-11-19 13:27:24,275 INFO L276 IsEmpty]: Start isEmpty. Operand 5625 states and 11217 transitions. [2021-11-19 13:27:24,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:24,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:24,277 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:24,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-11-19 13:27:24,277 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:24,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:24,278 INFO L85 PathProgramCache]: Analyzing trace with hash -924570253, now seen corresponding path program 4 times [2021-11-19 13:27:24,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:24,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591048767] [2021-11-19 13:27:24,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:24,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:24,476 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:24,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591048767] [2021-11-19 13:27:24,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591048767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:24,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:24,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:27:24,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926808993] [2021-11-19 13:27:24,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:24,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:27:24,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:24,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:27:24,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:27:24,478 INFO L87 Difference]: Start difference. First operand 5625 states and 11217 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) [2021-11-19 13:27:28,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:28,222 INFO L93 Difference]: Finished difference Result 16670 states and 33095 transitions. [2021-11-19 13:27:28,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:27:28,222 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 [2021-11-19 13:27:28,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:28,253 INFO L225 Difference]: With dead ends: 16670 [2021-11-19 13:27:28,253 INFO L226 Difference]: Without dead ends: 16670 [2021-11-19 13:27:28,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=313, Invalid=679, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:27:28,254 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 823 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 2948 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 3102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 2948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:28,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [823 Valid, 616 Invalid, 3102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 2948 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:27:28,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16670 states. [2021-11-19 13:27:28,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16670 to 5560. [2021-11-19 13:27:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5560 states, 5486 states have (on average 2.020415603353992) internal successors, (11084), 5559 states have internal predecessors, (11084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5560 states to 5560 states and 11084 transitions. [2021-11-19 13:27:28,417 INFO L78 Accepts]: Start accepts. Automaton has 5560 states and 11084 transitions. Word has length 24 [2021-11-19 13:27:28,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:28,417 INFO L470 AbstractCegarLoop]: Abstraction has 5560 states and 11084 transitions. [2021-11-19 13:27:28,417 INFO L471 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) [2021-11-19 13:27:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand 5560 states and 11084 transitions. [2021-11-19 13:27:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:28,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:28,419 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:28,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-11-19 13:27:28,419 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:28,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:28,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1570577242, now seen corresponding path program 23 times [2021-11-19 13:27:28,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:28,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689943999] [2021-11-19 13:27:28,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:28,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:28,633 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:28,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689943999] [2021-11-19 13:27:28,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689943999] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:28,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:28,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:27:28,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149221168] [2021-11-19 13:27:28,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:28,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:27:28,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:28,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:27:28,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:27:28,635 INFO L87 Difference]: Start difference. First operand 5560 states and 11084 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) [2021-11-19 13:27:32,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:32,516 INFO L93 Difference]: Finished difference Result 9344 states and 18590 transitions. [2021-11-19 13:27:32,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:27:32,516 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 [2021-11-19 13:27:32,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:32,532 INFO L225 Difference]: With dead ends: 9344 [2021-11-19 13:27:32,532 INFO L226 Difference]: Without dead ends: 9344 [2021-11-19 13:27:32,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:27:32,533 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 601 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 3017 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 3043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 3017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:32,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [601 Valid, 548 Invalid, 3043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 3017 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-19 13:27:32,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9344 states. [2021-11-19 13:27:32,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9344 to 5565. [2021-11-19 13:27:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5565 states, 5491 states have (on average 2.020397013294482) internal successors, (11094), 5564 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) [2021-11-19 13:27:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5565 states to 5565 states and 11094 transitions. [2021-11-19 13:27:32,643 INFO L78 Accepts]: Start accepts. Automaton has 5565 states and 11094 transitions. Word has length 24 [2021-11-19 13:27:32,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:32,643 INFO L470 AbstractCegarLoop]: Abstraction has 5565 states and 11094 transitions. [2021-11-19 13:27:32,643 INFO L471 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) [2021-11-19 13:27:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5565 states and 11094 transitions. [2021-11-19 13:27:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:32,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:32,645 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:32,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-11-19 13:27:32,645 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:32,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:32,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1564897732, now seen corresponding path program 24 times [2021-11-19 13:27:32,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:32,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926121612] [2021-11-19 13:27:32,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:32,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:32,859 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:32,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926121612] [2021-11-19 13:27:32,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926121612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:32,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:32,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:27:32,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159373174] [2021-11-19 13:27:32,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:32,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:27:32,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:32,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:27:32,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:27:32,861 INFO L87 Difference]: Start difference. First operand 5565 states and 11094 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) [2021-11-19 13:27:36,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:36,920 INFO L93 Difference]: Finished difference Result 9368 states and 18638 transitions. [2021-11-19 13:27:36,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:27:36,920 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 [2021-11-19 13:27:36,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:36,936 INFO L225 Difference]: With dead ends: 9368 [2021-11-19 13:27:36,936 INFO L226 Difference]: Without dead ends: 9368 [2021-11-19 13:27:36,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:27:36,937 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 577 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 3120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 3087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:36,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 557 Invalid, 3120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 3087 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 13:27:36,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9368 states. [2021-11-19 13:27:37,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9368 to 5573. [2021-11-19 13:27:37,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5573 states, 5499 states have (on average 2.020367339516276) internal successors, (11110), 5572 states have internal predecessors, (11110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:37,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5573 states to 5573 states and 11110 transitions. [2021-11-19 13:27:37,048 INFO L78 Accepts]: Start accepts. Automaton has 5573 states and 11110 transitions. Word has length 24 [2021-11-19 13:27:37,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:37,048 INFO L470 AbstractCegarLoop]: Abstraction has 5573 states and 11110 transitions. [2021-11-19 13:27:37,048 INFO L471 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) [2021-11-19 13:27:37,048 INFO L276 IsEmpty]: Start isEmpty. Operand 5573 states and 11110 transitions. [2021-11-19 13:27:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:37,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:37,050 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:37,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-11-19 13:27:37,050 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:37,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:37,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1387939192, now seen corresponding path program 25 times [2021-11-19 13:27:37,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:37,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686723917] [2021-11-19 13:27:37,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:37,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:37,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:37,276 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:37,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686723917] [2021-11-19 13:27:37,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686723917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:37,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:37,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:27:37,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154776569] [2021-11-19 13:27:37,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:37,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:27:37,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:37,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:27:37,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:27:37,277 INFO L87 Difference]: Start difference. First operand 5573 states and 11110 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) [2021-11-19 13:27:40,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:40,642 INFO L93 Difference]: Finished difference Result 9392 states and 18686 transitions. [2021-11-19 13:27:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:27:40,643 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 [2021-11-19 13:27:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:40,658 INFO L225 Difference]: With dead ends: 9392 [2021-11-19 13:27:40,658 INFO L226 Difference]: Without dead ends: 9392 [2021-11-19 13:27:40,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:27:40,659 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 530 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 2830 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 2872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:40,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [530 Valid, 548 Invalid, 2872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2830 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 13:27:40,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9392 states. [2021-11-19 13:27:40,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9392 to 5581. [2021-11-19 13:27:40,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5581 states, 5507 states have (on average 2.020337751952061) internal successors, (11126), 5580 states have internal predecessors, (11126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 5581 states and 11126 transitions. [2021-11-19 13:27:40,770 INFO L78 Accepts]: Start accepts. Automaton has 5581 states and 11126 transitions. Word has length 24 [2021-11-19 13:27:40,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:40,770 INFO L470 AbstractCegarLoop]: Abstraction has 5581 states and 11126 transitions. [2021-11-19 13:27:40,771 INFO L471 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) [2021-11-19 13:27:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 11126 transitions. [2021-11-19 13:27:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:40,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:40,773 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:40,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-11-19 13:27:40,773 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:40,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:40,773 INFO L85 PathProgramCache]: Analyzing trace with hash -169486118, now seen corresponding path program 26 times [2021-11-19 13:27:40,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:40,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450175467] [2021-11-19 13:27:40,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:40,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:40,965 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:40,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450175467] [2021-11-19 13:27:40,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450175467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:40,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:40,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:27:40,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400539727] [2021-11-19 13:27:40,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:40,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:27:40,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:40,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:27:40,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:27:40,967 INFO L87 Difference]: Start difference. First operand 5581 states and 11126 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) [2021-11-19 13:27:44,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:44,469 INFO L93 Difference]: Finished difference Result 9416 states and 18734 transitions. [2021-11-19 13:27:44,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:27:44,470 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 [2021-11-19 13:27:44,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:44,486 INFO L225 Difference]: With dead ends: 9416 [2021-11-19 13:27:44,486 INFO L226 Difference]: Without dead ends: 9416 [2021-11-19 13:27:44,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:27:44,486 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 509 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 3094 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 3138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 3094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:44,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [509 Valid, 557 Invalid, 3138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 3094 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:27:44,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9416 states. [2021-11-19 13:27:44,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9416 to 5589. [2021-11-19 13:27:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5589 states, 5515 states have (on average 2.0203082502266545) internal successors, (11142), 5588 states have internal predecessors, (11142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5589 states to 5589 states and 11142 transitions. [2021-11-19 13:27:44,598 INFO L78 Accepts]: Start accepts. Automaton has 5589 states and 11142 transitions. Word has length 24 [2021-11-19 13:27:44,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:44,599 INFO L470 AbstractCegarLoop]: Abstraction has 5589 states and 11142 transitions. [2021-11-19 13:27:44,599 INFO L471 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) [2021-11-19 13:27:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 5589 states and 11142 transitions. [2021-11-19 13:27:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:44,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:44,600 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:44,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-11-19 13:27:44,601 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:44,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:44,601 INFO L85 PathProgramCache]: Analyzing trace with hash -176027224, now seen corresponding path program 27 times [2021-11-19 13:27:44,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:44,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571268182] [2021-11-19 13:27:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:44,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:44,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:44,787 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:44,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571268182] [2021-11-19 13:27:44,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571268182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:44,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:44,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:27:44,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343211466] [2021-11-19 13:27:44,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:44,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:27:44,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:44,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:27:44,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:27:44,788 INFO L87 Difference]: Start difference. First operand 5589 states and 11142 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) [2021-11-19 13:27:48,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:48,247 INFO L93 Difference]: Finished difference Result 12983 states and 25815 transitions. [2021-11-19 13:27:48,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:27:48,248 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 [2021-11-19 13:27:48,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:48,271 INFO L225 Difference]: With dead ends: 12983 [2021-11-19 13:27:48,272 INFO L226 Difference]: Without dead ends: 12983 [2021-11-19 13:27:48,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:27:48,272 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 676 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 2771 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 2816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:48,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [676 Valid, 712 Invalid, 2816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2771 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:27:48,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12983 states. [2021-11-19 13:27:48,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12983 to 5592. [2021-11-19 13:27:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5592 states, 5518 states have (on average 2.0202972091337443) internal successors, (11148), 5591 states have internal predecessors, (11148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5592 states to 5592 states and 11148 transitions. [2021-11-19 13:27:48,410 INFO L78 Accepts]: Start accepts. Automaton has 5592 states and 11148 transitions. Word has length 24 [2021-11-19 13:27:48,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:48,411 INFO L470 AbstractCegarLoop]: Abstraction has 5592 states and 11148 transitions. [2021-11-19 13:27:48,411 INFO L471 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) [2021-11-19 13:27:48,411 INFO L276 IsEmpty]: Start isEmpty. Operand 5592 states and 11148 transitions. [2021-11-19 13:27:48,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:48,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:48,412 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:48,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-11-19 13:27:48,413 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:48,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:48,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1853613011, now seen corresponding path program 5 times [2021-11-19 13:27:48,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:48,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538783924] [2021-11-19 13:27:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:48,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:48,588 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:48,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538783924] [2021-11-19 13:27:48,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538783924] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:48,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:48,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:27:48,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811076192] [2021-11-19 13:27:48,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:48,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:27:48,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:48,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:27:48,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:27:48,589 INFO L87 Difference]: Start difference. First operand 5592 states and 11148 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) [2021-11-19 13:27:53,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:53,874 INFO L93 Difference]: Finished difference Result 13219 states and 26273 transitions. [2021-11-19 13:27:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:27:53,875 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 [2021-11-19 13:27:53,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:53,901 INFO L225 Difference]: With dead ends: 13219 [2021-11-19 13:27:53,901 INFO L226 Difference]: Without dead ends: 13219 [2021-11-19 13:27:53,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=313, Invalid=679, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:27:53,902 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 694 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 4617 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 4723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 4617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:53,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 691 Invalid, 4723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 4617 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-19 13:27:53,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13219 states. [2021-11-19 13:27:54,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13219 to 5539. [2021-11-19 13:27:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5539 states, 5465 states have (on average 2.020494053064959) internal successors, (11042), 5538 states have internal predecessors, (11042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:54,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5539 states to 5539 states and 11042 transitions. [2021-11-19 13:27:54,042 INFO L78 Accepts]: Start accepts. Automaton has 5539 states and 11042 transitions. Word has length 24 [2021-11-19 13:27:54,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:54,042 INFO L470 AbstractCegarLoop]: Abstraction has 5539 states and 11042 transitions. [2021-11-19 13:27:54,042 INFO L471 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) [2021-11-19 13:27:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 5539 states and 11042 transitions. [2021-11-19 13:27:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:54,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:54,044 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:54,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-11-19 13:27:54,044 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:54,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:54,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1827587344, now seen corresponding path program 28 times [2021-11-19 13:27:54,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:54,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113611472] [2021-11-19 13:27:54,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:54,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:54,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:54,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113611472] [2021-11-19 13:27:54,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113611472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:54,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:54,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:27:54,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112942079] [2021-11-19 13:27:54,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:54,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:27:54,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:54,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:27:54,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:27:54,310 INFO L87 Difference]: Start difference. First operand 5539 states and 11042 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) [2021-11-19 13:27:57,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:57,169 INFO L93 Difference]: Finished difference Result 9014 states and 17914 transitions. [2021-11-19 13:27:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:27:57,170 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 [2021-11-19 13:27:57,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:57,185 INFO L225 Difference]: With dead ends: 9014 [2021-11-19 13:27:57,185 INFO L226 Difference]: Without dead ends: 9014 [2021-11-19 13:27:57,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:27:57,185 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 701 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 2058 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:57,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [701 Valid, 607 Invalid, 2112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 2058 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:27:57,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9014 states. [2021-11-19 13:27:57,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9014 to 5469. [2021-11-19 13:27:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5469 states, 5396 states have (on average 2.0185322461082285) internal successors, (10892), 5468 states have internal predecessors, (10892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5469 states to 5469 states and 10892 transitions. [2021-11-19 13:27:57,296 INFO L78 Accepts]: Start accepts. Automaton has 5469 states and 10892 transitions. Word has length 24 [2021-11-19 13:27:57,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:57,296 INFO L470 AbstractCegarLoop]: Abstraction has 5469 states and 10892 transitions. [2021-11-19 13:27:57,296 INFO L471 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) [2021-11-19 13:27:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5469 states and 10892 transitions. [2021-11-19 13:27:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:27:57,297 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:57,297 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:27:57,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-11-19 13:27:57,298 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:27:57,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash 789794165, now seen corresponding path program 6 times [2021-11-19 13:27:57,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:27:57,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764650697] [2021-11-19 13:27:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:57,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:27:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:57,460 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:27:57,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764650697] [2021-11-19 13:27:57,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764650697] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:57,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:57,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 13:27:57,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843040698] [2021-11-19 13:27:57,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:57,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:27:57,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:27:57,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:27:57,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:27:57,461 INFO L87 Difference]: Start difference. First operand 5469 states and 10892 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) [2021-11-19 13:28:00,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:00,745 INFO L93 Difference]: Finished difference Result 9131 states and 18140 transitions. [2021-11-19 13:28:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:28:00,746 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 [2021-11-19 13:28:00,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:00,760 INFO L225 Difference]: With dead ends: 9131 [2021-11-19 13:28:00,760 INFO L226 Difference]: Without dead ends: 9131 [2021-11-19 13:28:00,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=247, Invalid=509, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:28:00,761 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 689 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 2689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:00,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 584 Invalid, 2689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:28:00,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9131 states. [2021-11-19 13:28:00,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9131 to 5206. [2021-11-19 13:28:00,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5206 states, 5134 states have (on average 2.0169458511881575) internal successors, (10355), 5205 states have internal predecessors, (10355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:00,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5206 states to 5206 states and 10355 transitions. [2021-11-19 13:28:00,864 INFO L78 Accepts]: Start accepts. Automaton has 5206 states and 10355 transitions. Word has length 24 [2021-11-19 13:28:00,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:00,864 INFO L470 AbstractCegarLoop]: Abstraction has 5206 states and 10355 transitions. [2021-11-19 13:28:00,864 INFO L471 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) [2021-11-19 13:28:00,865 INFO L276 IsEmpty]: Start isEmpty. Operand 5206 states and 10355 transitions. [2021-11-19 13:28:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:00,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:00,866 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:00,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-11-19 13:28:00,866 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:00,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:00,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2075641190, now seen corresponding path program 31 times [2021-11-19 13:28:00,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:00,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697466498] [2021-11-19 13:28:00,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:00,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:01,370 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:01,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697466498] [2021-11-19 13:28:01,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697466498] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:01,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:01,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:01,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407810627] [2021-11-19 13:28:01,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:01,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:01,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:01,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:01,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:01,372 INFO L87 Difference]: Start difference. First operand 5206 states and 10355 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:04,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:04,773 INFO L93 Difference]: Finished difference Result 5571 states and 11076 transitions. [2021-11-19 13:28:04,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 13:28:04,774 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:04,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:04,781 INFO L225 Difference]: With dead ends: 5571 [2021-11-19 13:28:04,781 INFO L226 Difference]: Without dead ends: 5571 [2021-11-19 13:28:04,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:28:04,781 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 426 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 2413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:04,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [426 Valid, 148 Invalid, 2413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 2308 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:28:04,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2021-11-19 13:28:04,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5220. [2021-11-19 13:28:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5220 states, 5148 states have (on average 2.016899766899767) internal successors, (10383), 5219 states have internal predecessors, (10383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 10383 transitions. [2021-11-19 13:28:04,860 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 10383 transitions. Word has length 24 [2021-11-19 13:28:04,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:04,861 INFO L470 AbstractCegarLoop]: Abstraction has 5220 states and 10383 transitions. [2021-11-19 13:28:04,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 10383 transitions. [2021-11-19 13:28:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:04,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:04,862 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:04,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-11-19 13:28:04,862 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:04,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:04,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1194888786, now seen corresponding path program 32 times [2021-11-19 13:28:04,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:04,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056083313] [2021-11-19 13:28:04,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:04,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:05,348 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:05,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056083313] [2021-11-19 13:28:05,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056083313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:05,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:05,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:05,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82335916] [2021-11-19 13:28:05,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:05,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:05,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:05,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:05,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:05,349 INFO L87 Difference]: Start difference. First operand 5220 states and 10383 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:09,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:09,949 INFO L93 Difference]: Finished difference Result 5572 states and 11078 transitions. [2021-11-19 13:28:09,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 13:28:09,949 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:09,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:09,956 INFO L225 Difference]: With dead ends: 5572 [2021-11-19 13:28:09,957 INFO L226 Difference]: Without dead ends: 5572 [2021-11-19 13:28:09,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=323, Invalid=669, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:28:09,957 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 422 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 3265 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 3362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:09,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 169 Invalid, 3362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3265 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-19 13:28:09,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5572 states. [2021-11-19 13:28:10,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5572 to 5207. [2021-11-19 13:28:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5207 states, 5135 states have (on average 2.0169425511197665) internal successors, (10357), 5206 states have internal predecessors, (10357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:10,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5207 states to 5207 states and 10357 transitions. [2021-11-19 13:28:10,036 INFO L78 Accepts]: Start accepts. Automaton has 5207 states and 10357 transitions. Word has length 24 [2021-11-19 13:28:10,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:10,036 INFO L470 AbstractCegarLoop]: Abstraction has 5207 states and 10357 transitions. [2021-11-19 13:28:10,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 5207 states and 10357 transitions. [2021-11-19 13:28:10,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:10,037 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:10,037 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:10,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-11-19 13:28:10,038 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:10,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:10,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2096709480, now seen corresponding path program 33 times [2021-11-19 13:28:10,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:10,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735175428] [2021-11-19 13:28:10,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:10,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:10,612 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:10,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735175428] [2021-11-19 13:28:10,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735175428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:10,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:10,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:10,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788134154] [2021-11-19 13:28:10,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:10,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:10,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:10,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:10,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:10,614 INFO L87 Difference]: Start difference. First operand 5207 states and 10357 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:13,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:13,186 INFO L93 Difference]: Finished difference Result 5563 states and 11060 transitions. [2021-11-19 13:28:13,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 13:28:13,187 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:13,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:13,195 INFO L225 Difference]: With dead ends: 5563 [2021-11-19 13:28:13,195 INFO L226 Difference]: Without dead ends: 5563 [2021-11-19 13:28:13,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:28:13,195 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 451 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:13,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [451 Valid, 138 Invalid, 1889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 13:28:13,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5563 states. [2021-11-19 13:28:13,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5563 to 5231. [2021-11-19 13:28:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5231 states, 5159 states have (on average 2.0168637332816437) internal successors, (10405), 5230 states have internal predecessors, (10405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 5231 states and 10405 transitions. [2021-11-19 13:28:13,303 INFO L78 Accepts]: Start accepts. Automaton has 5231 states and 10405 transitions. Word has length 24 [2021-11-19 13:28:13,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:13,303 INFO L470 AbstractCegarLoop]: Abstraction has 5231 states and 10405 transitions. [2021-11-19 13:28:13,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 10405 transitions. [2021-11-19 13:28:13,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:13,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:13,304 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:13,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-11-19 13:28:13,304 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:13,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:13,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1317505412, now seen corresponding path program 34 times [2021-11-19 13:28:13,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:13,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214781800] [2021-11-19 13:28:13,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:13,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:13,847 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:13,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214781800] [2021-11-19 13:28:13,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214781800] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:13,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:13,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:13,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075855752] [2021-11-19 13:28:13,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:13,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:13,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:13,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:13,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:13,848 INFO L87 Difference]: Start difference. First operand 5231 states and 10405 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:17,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:17,811 INFO L93 Difference]: Finished difference Result 5587 states and 11108 transitions. [2021-11-19 13:28:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 13:28:17,812 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:17,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:17,819 INFO L225 Difference]: With dead ends: 5587 [2021-11-19 13:28:17,819 INFO L226 Difference]: Without dead ends: 5587 [2021-11-19 13:28:17,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=337, Invalid=719, Unknown=0, NotChecked=0, Total=1056 [2021-11-19 13:28:17,819 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 430 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 2716 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:17,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 155 Invalid, 2836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2716 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:28:17,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5587 states. [2021-11-19 13:28:17,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5587 to 5219. [2021-11-19 13:28:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5219 states, 5147 states have (on average 2.016903050320575) internal successors, (10381), 5218 states have internal predecessors, (10381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 5219 states and 10381 transitions. [2021-11-19 13:28:17,896 INFO L78 Accepts]: Start accepts. Automaton has 5219 states and 10381 transitions. Word has length 24 [2021-11-19 13:28:17,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:17,896 INFO L470 AbstractCegarLoop]: Abstraction has 5219 states and 10381 transitions. [2021-11-19 13:28:17,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 10381 transitions. [2021-11-19 13:28:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:17,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:17,898 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:17,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-11-19 13:28:17,898 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:17,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:17,899 INFO L85 PathProgramCache]: Analyzing trace with hash -233518374, now seen corresponding path program 35 times [2021-11-19 13:28:17,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:17,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111686164] [2021-11-19 13:28:17,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:17,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:18,350 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:18,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111686164] [2021-11-19 13:28:18,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111686164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:18,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:18,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:18,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304076906] [2021-11-19 13:28:18,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:18,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:18,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:18,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:18,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:18,352 INFO L87 Difference]: Start difference. First operand 5219 states and 10381 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:22,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:22,142 INFO L93 Difference]: Finished difference Result 5577 states and 11088 transitions. [2021-11-19 13:28:22,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 13:28:22,142 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:22,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:22,181 INFO L225 Difference]: With dead ends: 5577 [2021-11-19 13:28:22,181 INFO L226 Difference]: Without dead ends: 5577 [2021-11-19 13:28:22,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=381, Invalid=809, Unknown=0, NotChecked=0, Total=1190 [2021-11-19 13:28:22,182 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 442 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 2453 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 2575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 2453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:22,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [442 Valid, 149 Invalid, 2575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 2453 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 13:28:22,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5577 states. [2021-11-19 13:28:22,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5577 to 5220. [2021-11-19 13:28:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5220 states, 5148 states have (on average 2.016899766899767) internal successors, (10383), 5219 states have internal predecessors, (10383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 10383 transitions. [2021-11-19 13:28:22,259 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 10383 transitions. Word has length 24 [2021-11-19 13:28:22,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:22,259 INFO L470 AbstractCegarLoop]: Abstraction has 5220 states and 10383 transitions. [2021-11-19 13:28:22,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 10383 transitions. [2021-11-19 13:28:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:22,260 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:22,260 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:22,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-11-19 13:28:22,260 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:22,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:22,261 INFO L85 PathProgramCache]: Analyzing trace with hash 126654816, now seen corresponding path program 36 times [2021-11-19 13:28:22,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:22,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023950272] [2021-11-19 13:28:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:22,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:22,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:22,683 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:22,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023950272] [2021-11-19 13:28:22,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023950272] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:22,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:22,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:22,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033591287] [2021-11-19 13:28:22,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:22,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:22,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:22,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:22,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:22,685 INFO L87 Difference]: Start difference. First operand 5220 states and 10383 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:26,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:26,654 INFO L93 Difference]: Finished difference Result 5581 states and 11096 transitions. [2021-11-19 13:28:26,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 13:28:26,654 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:26,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:26,661 INFO L225 Difference]: With dead ends: 5581 [2021-11-19 13:28:26,661 INFO L226 Difference]: Without dead ends: 5581 [2021-11-19 13:28:26,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=414, Invalid=918, Unknown=0, NotChecked=0, Total=1332 [2021-11-19 13:28:26,662 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 449 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 2503 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 2622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:26,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 150 Invalid, 2622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2503 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 13:28:26,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2021-11-19 13:28:26,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 5206. [2021-11-19 13:28:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5206 states, 5134 states have (on average 2.0169458511881575) internal successors, (10355), 5205 states have internal predecessors, (10355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5206 states to 5206 states and 10355 transitions. [2021-11-19 13:28:26,740 INFO L78 Accepts]: Start accepts. Automaton has 5206 states and 10355 transitions. Word has length 24 [2021-11-19 13:28:26,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:26,741 INFO L470 AbstractCegarLoop]: Abstraction has 5206 states and 10355 transitions. [2021-11-19 13:28:26,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 5206 states and 10355 transitions. [2021-11-19 13:28:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:26,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:26,742 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:26,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-11-19 13:28:26,742 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:26,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:26,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1419374378, now seen corresponding path program 37 times [2021-11-19 13:28:26,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:26,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200559425] [2021-11-19 13:28:26,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:26,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:27,313 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:27,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200559425] [2021-11-19 13:28:27,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200559425] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:27,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:27,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:27,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620423580] [2021-11-19 13:28:27,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:27,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:27,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:27,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:27,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:27,314 INFO L87 Difference]: Start difference. First operand 5206 states and 10355 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:29,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:29,905 INFO L93 Difference]: Finished difference Result 5525 states and 10984 transitions. [2021-11-19 13:28:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 13:28:29,905 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:29,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:29,913 INFO L225 Difference]: With dead ends: 5525 [2021-11-19 13:28:29,913 INFO L226 Difference]: Without dead ends: 5525 [2021-11-19 13:28:29,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:28:29,914 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 430 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 1633 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 1772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:29,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 136 Invalid, 1772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1633 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 13:28:29,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5525 states. [2021-11-19 13:28:29,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5525 to 5217. [2021-11-19 13:28:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5217 states, 5145 states have (on average 2.0169096209912536) internal successors, (10377), 5216 states have internal predecessors, (10377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 5217 states and 10377 transitions. [2021-11-19 13:28:29,996 INFO L78 Accepts]: Start accepts. Automaton has 5217 states and 10377 transitions. Word has length 24 [2021-11-19 13:28:29,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:29,996 INFO L470 AbstractCegarLoop]: Abstraction has 5217 states and 10377 transitions. [2021-11-19 13:28:29,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:29,996 INFO L276 IsEmpty]: Start isEmpty. Operand 5217 states and 10377 transitions. [2021-11-19 13:28:29,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:29,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:29,997 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:29,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-11-19 13:28:29,998 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:29,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:29,998 INFO L85 PathProgramCache]: Analyzing trace with hash -538621974, now seen corresponding path program 38 times [2021-11-19 13:28:29,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:29,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981454278] [2021-11-19 13:28:29,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:29,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:30,489 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:30,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981454278] [2021-11-19 13:28:30,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981454278] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:30,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:30,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:30,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543350421] [2021-11-19 13:28:30,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:30,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:30,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:30,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:30,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:30,490 INFO L87 Difference]: Start difference. First operand 5217 states and 10377 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:33,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:33,259 INFO L93 Difference]: Finished difference Result 5535 states and 11004 transitions. [2021-11-19 13:28:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 13:28:33,260 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:33,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:33,268 INFO L225 Difference]: With dead ends: 5535 [2021-11-19 13:28:33,268 INFO L226 Difference]: Without dead ends: 5535 [2021-11-19 13:28:33,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=258, Invalid=554, Unknown=0, NotChecked=0, Total=812 [2021-11-19 13:28:33,268 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 409 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:33,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 143 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1895 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 13:28:33,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5535 states. [2021-11-19 13:28:33,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5535 to 5204. [2021-11-19 13:28:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5204 states, 5132 states have (on average 2.0169524551831643) internal successors, (10351), 5203 states have internal predecessors, (10351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 5204 states and 10351 transitions. [2021-11-19 13:28:33,349 INFO L78 Accepts]: Start accepts. Automaton has 5204 states and 10351 transitions. Word has length 24 [2021-11-19 13:28:33,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:33,350 INFO L470 AbstractCegarLoop]: Abstraction has 5204 states and 10351 transitions. [2021-11-19 13:28:33,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 5204 states and 10351 transitions. [2021-11-19 13:28:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:33,351 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:33,351 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:33,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-11-19 13:28:33,351 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:33,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:33,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1541991004, now seen corresponding path program 39 times [2021-11-19 13:28:33,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:33,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300882959] [2021-11-19 13:28:33,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:33,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:33,870 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:33,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300882959] [2021-11-19 13:28:33,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300882959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:33,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:33,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:33,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739888220] [2021-11-19 13:28:33,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:33,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:33,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:33,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:33,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:33,871 INFO L87 Difference]: Start difference. First operand 5204 states and 10351 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:36,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:36,214 INFO L93 Difference]: Finished difference Result 5567 states and 11068 transitions. [2021-11-19 13:28:36,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 13:28:36,215 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:36,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:36,224 INFO L225 Difference]: With dead ends: 5567 [2021-11-19 13:28:36,224 INFO L226 Difference]: Without dead ends: 5567 [2021-11-19 13:28:36,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:28:36,225 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 431 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:36,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 131 Invalid, 1607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 13:28:36,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5567 states. [2021-11-19 13:28:36,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5567 to 5228. [2021-11-19 13:28:36,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 5156 states have (on average 2.0168735453840188) internal successors, (10399), 5227 states have internal predecessors, (10399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 10399 transitions. [2021-11-19 13:28:36,311 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 10399 transitions. Word has length 24 [2021-11-19 13:28:36,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:36,312 INFO L470 AbstractCegarLoop]: Abstraction has 5228 states and 10399 transitions. [2021-11-19 13:28:36,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 10399 transitions. [2021-11-19 13:28:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:36,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:36,314 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:36,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-11-19 13:28:36,314 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:36,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:36,315 INFO L85 PathProgramCache]: Analyzing trace with hash -661238600, now seen corresponding path program 40 times [2021-11-19 13:28:36,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:36,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797063975] [2021-11-19 13:28:36,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:36,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:36,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:36,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797063975] [2021-11-19 13:28:36,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797063975] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:36,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:36,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:36,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260138896] [2021-11-19 13:28:36,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:36,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:36,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:36,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:36,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:36,837 INFO L87 Difference]: Start difference. First operand 5228 states and 10399 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:40,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:40,817 INFO L93 Difference]: Finished difference Result 5575 states and 11084 transitions. [2021-11-19 13:28:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:28:40,818 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:40,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:40,826 INFO L225 Difference]: With dead ends: 5575 [2021-11-19 13:28:40,827 INFO L226 Difference]: Without dead ends: 5575 [2021-11-19 13:28:40,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=271, Invalid=599, Unknown=0, NotChecked=0, Total=870 [2021-11-19 13:28:40,828 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 412 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2635 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:40,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [412 Valid, 158 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2635 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:28:40,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2021-11-19 13:28:40,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 5216. [2021-11-19 13:28:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5216 states, 5144 states have (on average 2.0169129082426127) internal successors, (10375), 5215 states have internal predecessors, (10375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 5216 states and 10375 transitions. [2021-11-19 13:28:40,920 INFO L78 Accepts]: Start accepts. Automaton has 5216 states and 10375 transitions. Word has length 24 [2021-11-19 13:28:40,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:40,920 INFO L470 AbstractCegarLoop]: Abstraction has 5216 states and 10375 transitions. [2021-11-19 13:28:40,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:40,920 INFO L276 IsEmpty]: Start isEmpty. Operand 5216 states and 10375 transitions. [2021-11-19 13:28:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:40,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:40,921 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:40,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-11-19 13:28:40,922 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:40,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:40,922 INFO L85 PathProgramCache]: Analyzing trace with hash 422748438, now seen corresponding path program 41 times [2021-11-19 13:28:40,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:40,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101641075] [2021-11-19 13:28:40,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:40,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:41,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:41,348 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:41,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101641075] [2021-11-19 13:28:41,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101641075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:41,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:41,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:41,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530000761] [2021-11-19 13:28:41,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:41,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:41,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:41,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:41,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:41,350 INFO L87 Difference]: Start difference. First operand 5216 states and 10375 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:46,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:46,358 INFO L93 Difference]: Finished difference Result 5592 states and 11118 transitions. [2021-11-19 13:28:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-19 13:28:46,358 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:46,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:46,367 INFO L225 Difference]: With dead ends: 5592 [2021-11-19 13:28:46,367 INFO L226 Difference]: Without dead ends: 5592 [2021-11-19 13:28:46,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=390, Invalid=870, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 13:28:46,367 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 426 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 3374 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 3486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:46,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [426 Valid, 167 Invalid, 3486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 3374 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-19 13:28:46,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5592 states. [2021-11-19 13:28:46,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5592 to 5217. [2021-11-19 13:28:46,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5217 states, 5145 states have (on average 2.0169096209912536) internal successors, (10377), 5216 states have internal predecessors, (10377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:46,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 5217 states and 10377 transitions. [2021-11-19 13:28:46,456 INFO L78 Accepts]: Start accepts. Automaton has 5217 states and 10377 transitions. Word has length 24 [2021-11-19 13:28:46,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:46,457 INFO L470 AbstractCegarLoop]: Abstraction has 5217 states and 10377 transitions. [2021-11-19 13:28:46,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 5217 states and 10377 transitions. [2021-11-19 13:28:46,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:46,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:46,458 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:46,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-11-19 13:28:46,458 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:46,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:46,459 INFO L85 PathProgramCache]: Analyzing trace with hash 782921628, now seen corresponding path program 42 times [2021-11-19 13:28:46,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:46,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149868651] [2021-11-19 13:28:46,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:46,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:46,894 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:46,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149868651] [2021-11-19 13:28:46,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149868651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:46,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:46,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:46,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719535228] [2021-11-19 13:28:46,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:46,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:46,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:46,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:46,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:46,895 INFO L87 Difference]: Start difference. First operand 5217 states and 10377 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:50,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:50,653 INFO L93 Difference]: Finished difference Result 5600 states and 11134 transitions. [2021-11-19 13:28:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-19 13:28:50,653 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:50,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:50,660 INFO L225 Difference]: With dead ends: 5600 [2021-11-19 13:28:50,661 INFO L226 Difference]: Without dead ends: 5600 [2021-11-19 13:28:50,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=423, Invalid=983, Unknown=0, NotChecked=0, Total=1406 [2021-11-19 13:28:50,661 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 435 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 2442 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 2572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:50,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 148 Invalid, 2572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2442 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 13:28:50,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5600 states. [2021-11-19 13:28:50,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5600 to 5203. [2021-11-19 13:28:50,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5203 states, 5131 states have (on average 2.0169557591112843) internal successors, (10349), 5202 states have internal predecessors, (10349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 10349 transitions. [2021-11-19 13:28:50,736 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 10349 transitions. Word has length 24 [2021-11-19 13:28:50,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:50,736 INFO L470 AbstractCegarLoop]: Abstraction has 5203 states and 10349 transitions. [2021-11-19 13:28:50,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 10349 transitions. [2021-11-19 13:28:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:50,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:50,737 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:50,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-11-19 13:28:50,737 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:50,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:50,737 INFO L85 PathProgramCache]: Analyzing trace with hash 666324400, now seen corresponding path program 43 times [2021-11-19 13:28:50,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:50,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128293807] [2021-11-19 13:28:50,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:50,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:51,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:51,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128293807] [2021-11-19 13:28:51,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128293807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:51,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:51,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:51,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746616215] [2021-11-19 13:28:51,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:51,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:51,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:51,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:51,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:51,201 INFO L87 Difference]: Start difference. First operand 5203 states and 10349 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:52,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:52,800 INFO L93 Difference]: Finished difference Result 5567 states and 11068 transitions. [2021-11-19 13:28:52,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 13:28:52,801 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:52,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:52,807 INFO L225 Difference]: With dead ends: 5567 [2021-11-19 13:28:52,807 INFO L226 Difference]: Without dead ends: 5567 [2021-11-19 13:28:52,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:28:52,808 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 400 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:52,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [400 Valid, 131 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-19 13:28:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5567 states. [2021-11-19 13:28:52,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5567 to 5212. [2021-11-19 13:28:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5212 states, 5140 states have (on average 2.0169260700389104) internal successors, (10367), 5211 states have internal predecessors, (10367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 10367 transitions. [2021-11-19 13:28:52,883 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 10367 transitions. Word has length 24 [2021-11-19 13:28:52,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:52,883 INFO L470 AbstractCegarLoop]: Abstraction has 5212 states and 10367 transitions. [2021-11-19 13:28:52,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:52,883 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 10367 transitions. [2021-11-19 13:28:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:52,884 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:52,884 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:52,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-11-19 13:28:52,884 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:52,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:52,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1547076804, now seen corresponding path program 44 times [2021-11-19 13:28:52,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:52,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85940821] [2021-11-19 13:28:52,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:52,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:53,273 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:53,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85940821] [2021-11-19 13:28:53,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85940821] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:53,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:53,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:53,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333574830] [2021-11-19 13:28:53,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:53,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:53,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:53,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:53,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:53,275 INFO L87 Difference]: Start difference. First operand 5212 states and 10367 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:55,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:55,743 INFO L93 Difference]: Finished difference Result 5583 states and 11100 transitions. [2021-11-19 13:28:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 13:28:55,743 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:55,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:55,749 INFO L225 Difference]: With dead ends: 5583 [2021-11-19 13:28:55,749 INFO L226 Difference]: Without dead ends: 5583 [2021-11-19 13:28:55,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=250, Invalid=562, Unknown=0, NotChecked=0, Total=812 [2021-11-19 13:28:55,749 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 423 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:55,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 146 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 13:28:55,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5583 states. [2021-11-19 13:28:55,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5583 to 5200. [2021-11-19 13:28:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5200 states, 5128 states have (on average 2.016965678627145) internal successors, (10343), 5199 states have internal predecessors, (10343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:55,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 5200 states and 10343 transitions. [2021-11-19 13:28:55,807 INFO L78 Accepts]: Start accepts. Automaton has 5200 states and 10343 transitions. Word has length 24 [2021-11-19 13:28:55,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:55,807 INFO L470 AbstractCegarLoop]: Abstraction has 5200 states and 10343 transitions. [2021-11-19 13:28:55,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:55,808 INFO L276 IsEmpty]: Start isEmpty. Operand 5200 states and 10343 transitions. [2021-11-19 13:28:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:55,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:55,808 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:55,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-11-19 13:28:55,808 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:55,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:55,809 INFO L85 PathProgramCache]: Analyzing trace with hash -273052252, now seen corresponding path program 45 times [2021-11-19 13:28:55,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:55,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179240780] [2021-11-19 13:28:55,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:55,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:28:56,121 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:28:56,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179240780] [2021-11-19 13:28:56,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179240780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:56,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:56,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:28:56,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781143593] [2021-11-19 13:28:56,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:56,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:28:56,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:28:56,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:28:56,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:28:56,122 INFO L87 Difference]: Start difference. First operand 5200 states and 10343 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:59,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:59,699 INFO L93 Difference]: Finished difference Result 5585 states and 11104 transitions. [2021-11-19 13:28:59,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 13:28:59,700 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:28:59,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:59,705 INFO L225 Difference]: With dead ends: 5585 [2021-11-19 13:28:59,705 INFO L226 Difference]: Without dead ends: 5585 [2021-11-19 13:28:59,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=404, Invalid=928, Unknown=0, NotChecked=0, Total=1332 [2021-11-19 13:28:59,706 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 427 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 3427 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 3543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:59,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [427 Valid, 167 Invalid, 3543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 3427 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 13:28:59,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5585 states. [2021-11-19 13:28:59,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5585 to 5201. [2021-11-19 13:28:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5201 states, 5129 states have (on average 2.016962370832521) internal successors, (10345), 5200 states have internal predecessors, (10345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:28:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 5201 states and 10345 transitions. [2021-11-19 13:28:59,763 INFO L78 Accepts]: Start accepts. Automaton has 5201 states and 10345 transitions. Word has length 24 [2021-11-19 13:28:59,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:59,764 INFO L470 AbstractCegarLoop]: Abstraction has 5201 states and 10345 transitions. [2021-11-19 13:28:59,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:28:59,764 INFO L276 IsEmpty]: Start isEmpty. Operand 5201 states and 10345 transitions. [2021-11-19 13:28:59,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:28:59,764 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:59,764 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:28:59,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-11-19 13:28:59,765 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:28:59,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:59,765 INFO L85 PathProgramCache]: Analyzing trace with hash 87120938, now seen corresponding path program 46 times [2021-11-19 13:28:59,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:28:59,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872975716] [2021-11-19 13:28:59,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:59,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:28:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:00,069 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:00,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872975716] [2021-11-19 13:29:00,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872975716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:00,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:00,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:00,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099916922] [2021-11-19 13:29:00,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:00,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:00,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:00,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:00,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:00,071 INFO L87 Difference]: Start difference. First operand 5201 states and 10345 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:03,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:03,234 INFO L93 Difference]: Finished difference Result 5593 states and 11120 transitions. [2021-11-19 13:29:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-19 13:29:03,234 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:03,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:03,240 INFO L225 Difference]: With dead ends: 5593 [2021-11-19 13:29:03,240 INFO L226 Difference]: Without dead ends: 5593 [2021-11-19 13:29:03,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=438, Invalid=1044, Unknown=0, NotChecked=0, Total=1482 [2021-11-19 13:29:03,240 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 432 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 2865 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 2865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:03,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 155 Invalid, 2992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 2865 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 13:29:03,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5593 states. [2021-11-19 13:29:03,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5593 to 5175. [2021-11-19 13:29:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5175 states, 5103 states have (on average 2.0170487948265725) internal successors, (10293), 5174 states have internal predecessors, (10293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 10293 transitions. [2021-11-19 13:29:03,299 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 10293 transitions. Word has length 24 [2021-11-19 13:29:03,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:03,300 INFO L470 AbstractCegarLoop]: Abstraction has 5175 states and 10293 transitions. [2021-11-19 13:29:03,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 10293 transitions. [2021-11-19 13:29:03,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:03,300 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:03,301 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:03,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-11-19 13:29:03,301 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:03,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:03,301 INFO L85 PathProgramCache]: Analyzing trace with hash 196038034, now seen corresponding path program 47 times [2021-11-19 13:29:03,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:03,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759168534] [2021-11-19 13:29:03,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:03,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:03,524 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:03,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759168534] [2021-11-19 13:29:03,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759168534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:03,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:03,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:03,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586567811] [2021-11-19 13:29:03,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:03,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:03,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:03,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:03,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:03,525 INFO L87 Difference]: Start difference. First operand 5175 states and 10293 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:07,786 INFO L93 Difference]: Finished difference Result 14463 states and 28666 transitions. [2021-11-19 13:29:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:29:07,787 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:07,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:07,805 INFO L225 Difference]: With dead ends: 14463 [2021-11-19 13:29:07,805 INFO L226 Difference]: Without dead ends: 14463 [2021-11-19 13:29:07,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=583, Unknown=0, NotChecked=0, Total=812 [2021-11-19 13:29:07,806 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 835 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 4684 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 4826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 4684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:07,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [835 Valid, 602 Invalid, 4826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 4684 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-19 13:29:07,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14463 states. [2021-11-19 13:29:07,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14463 to 5226. [2021-11-19 13:29:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5226 states, 5154 states have (on average 2.0168800931315483) internal successors, (10395), 5225 states have internal predecessors, (10395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:07,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 5226 states and 10395 transitions. [2021-11-19 13:29:07,913 INFO L78 Accepts]: Start accepts. Automaton has 5226 states and 10395 transitions. Word has length 24 [2021-11-19 13:29:07,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:07,914 INFO L470 AbstractCegarLoop]: Abstraction has 5226 states and 10395 transitions. [2021-11-19 13:29:07,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand 5226 states and 10395 transitions. [2021-11-19 13:29:07,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:07,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:07,915 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:07,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-11-19 13:29:07,915 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:07,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:07,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1076790438, now seen corresponding path program 48 times [2021-11-19 13:29:07,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:07,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002561005] [2021-11-19 13:29:07,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:07,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:08,137 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:08,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002561005] [2021-11-19 13:29:08,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002561005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:08,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:08,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:08,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253503333] [2021-11-19 13:29:08,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:08,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:08,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:08,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:08,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:08,138 INFO L87 Difference]: Start difference. First operand 5226 states and 10395 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:12,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:12,326 INFO L93 Difference]: Finished difference Result 14477 states and 28694 transitions. [2021-11-19 13:29:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 13:29:12,327 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:12,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:12,344 INFO L225 Difference]: With dead ends: 14477 [2021-11-19 13:29:12,344 INFO L226 Difference]: Without dead ends: 14477 [2021-11-19 13:29:12,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=276, Invalid=654, Unknown=0, NotChecked=0, Total=930 [2021-11-19 13:29:12,345 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 842 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 4626 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 4784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 4626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:12,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [842 Valid, 600 Invalid, 4784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 4626 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 13:29:12,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14477 states. [2021-11-19 13:29:12,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14477 to 5219. [2021-11-19 13:29:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5219 states, 5147 states have (on average 2.016903050320575) internal successors, (10381), 5218 states have internal predecessors, (10381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 5219 states and 10381 transitions. [2021-11-19 13:29:12,461 INFO L78 Accepts]: Start accepts. Automaton has 5219 states and 10381 transitions. Word has length 24 [2021-11-19 13:29:12,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:12,462 INFO L470 AbstractCegarLoop]: Abstraction has 5219 states and 10381 transitions. [2021-11-19 13:29:12,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 10381 transitions. [2021-11-19 13:29:12,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:12,462 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:12,462 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:12,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-11-19 13:29:12,463 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:12,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:12,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1510419974, now seen corresponding path program 49 times [2021-11-19 13:29:12,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:12,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269407509] [2021-11-19 13:29:12,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:12,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:12,703 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:12,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269407509] [2021-11-19 13:29:12,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269407509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:12,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:12,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:12,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634649406] [2021-11-19 13:29:12,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:12,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:12,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:12,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:12,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:12,705 INFO L87 Difference]: Start difference. First operand 5219 states and 10381 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:17,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:17,177 INFO L93 Difference]: Finished difference Result 14484 states and 28708 transitions. [2021-11-19 13:29:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 13:29:17,177 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:17,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:17,198 INFO L225 Difference]: With dead ends: 14484 [2021-11-19 13:29:17,198 INFO L226 Difference]: Without dead ends: 14484 [2021-11-19 13:29:17,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=293, Invalid=699, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:29:17,200 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 814 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 4350 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 4487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 4350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:17,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [814 Valid, 589 Invalid, 4487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 4350 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-19 13:29:17,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14484 states. [2021-11-19 13:29:17,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14484 to 5220. [2021-11-19 13:29:17,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5220 states, 5148 states have (on average 2.016899766899767) internal successors, (10383), 5219 states have internal predecessors, (10383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 10383 transitions. [2021-11-19 13:29:17,316 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 10383 transitions. Word has length 24 [2021-11-19 13:29:17,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:17,316 INFO L470 AbstractCegarLoop]: Abstraction has 5220 states and 10383 transitions. [2021-11-19 13:29:17,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 10383 transitions. [2021-11-19 13:29:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:17,317 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:17,317 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:17,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-11-19 13:29:17,318 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:17,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:17,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1870593164, now seen corresponding path program 50 times [2021-11-19 13:29:17,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:17,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227439261] [2021-11-19 13:29:17,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:17,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:17,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:17,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227439261] [2021-11-19 13:29:17,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227439261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:17,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:17,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:17,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661385354] [2021-11-19 13:29:17,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:17,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:17,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:17,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:17,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:17,575 INFO L87 Difference]: Start difference. First operand 5220 states and 10383 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:22,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:22,631 INFO L93 Difference]: Finished difference Result 14489 states and 28718 transitions. [2021-11-19 13:29:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:29:22,631 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:22,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:22,653 INFO L225 Difference]: With dead ends: 14489 [2021-11-19 13:29:22,653 INFO L226 Difference]: Without dead ends: 14489 [2021-11-19 13:29:22,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=309, Invalid=747, Unknown=0, NotChecked=0, Total=1056 [2021-11-19 13:29:22,654 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 824 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 4271 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 4421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 4271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:22,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [824 Valid, 587 Invalid, 4421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 4271 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-19 13:29:22,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14489 states. [2021-11-19 13:29:22,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14489 to 5212. [2021-11-19 13:29:22,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5212 states, 5140 states have (on average 2.0169260700389104) internal successors, (10367), 5211 states have internal predecessors, (10367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 10367 transitions. [2021-11-19 13:29:22,774 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 10367 transitions. Word has length 24 [2021-11-19 13:29:22,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:22,774 INFO L470 AbstractCegarLoop]: Abstraction has 5212 states and 10367 transitions. [2021-11-19 13:29:22,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:22,775 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 10367 transitions. [2021-11-19 13:29:22,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:22,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:22,775 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:22,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-11-19 13:29:22,776 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:22,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:22,776 INFO L85 PathProgramCache]: Analyzing trace with hash -422606106, now seen corresponding path program 51 times [2021-11-19 13:29:22,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:22,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166799017] [2021-11-19 13:29:22,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:22,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:23,090 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:23,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166799017] [2021-11-19 13:29:23,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166799017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:23,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:23,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:23,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039724498] [2021-11-19 13:29:23,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:23,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:23,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:23,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:23,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:23,092 INFO L87 Difference]: Start difference. First operand 5212 states and 10367 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:26,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:26,572 INFO L93 Difference]: Finished difference Result 14636 states and 29008 transitions. [2021-11-19 13:29:26,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 13:29:26,573 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:26,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:26,591 INFO L225 Difference]: With dead ends: 14636 [2021-11-19 13:29:26,591 INFO L226 Difference]: Without dead ends: 14636 [2021-11-19 13:29:26,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=357, Invalid=903, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 13:29:26,591 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 802 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 3135 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 3311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 3135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:26,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [802 Valid, 549 Invalid, 3311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 3135 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 13:29:26,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14636 states. [2021-11-19 13:29:26,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14636 to 5225. [2021-11-19 13:29:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5225 states, 5153 states have (on average 2.016883368911314) internal successors, (10393), 5224 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) [2021-11-19 13:29:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 10393 transitions. [2021-11-19 13:29:26,722 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 10393 transitions. Word has length 24 [2021-11-19 13:29:26,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:26,722 INFO L470 AbstractCegarLoop]: Abstraction has 5225 states and 10393 transitions. [2021-11-19 13:29:26,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 10393 transitions. [2021-11-19 13:29:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:26,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:26,723 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:26,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-11-19 13:29:26,723 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:26,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:26,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1906450752, now seen corresponding path program 52 times [2021-11-19 13:29:26,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:26,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464679749] [2021-11-19 13:29:26,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:26,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:26,956 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:26,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464679749] [2021-11-19 13:29:26,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464679749] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:26,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:26,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:26,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788112278] [2021-11-19 13:29:26,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:26,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:26,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:26,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:26,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:26,958 INFO L87 Difference]: Start difference. First operand 5225 states and 10393 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:31,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:31,378 INFO L93 Difference]: Finished difference Result 14580 states and 28896 transitions. [2021-11-19 13:29:31,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 13:29:31,379 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:31,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:31,402 INFO L225 Difference]: With dead ends: 14580 [2021-11-19 13:29:31,402 INFO L226 Difference]: Without dead ends: 14580 [2021-11-19 13:29:31,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=370, Invalid=890, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 13:29:31,403 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 825 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 3953 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 4073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:31,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [825 Valid, 577 Invalid, 4073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 3953 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 13:29:31,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14580 states. [2021-11-19 13:29:31,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14580 to 5226. [2021-11-19 13:29:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5226 states, 5154 states have (on average 2.0168800931315483) internal successors, (10395), 5225 states have internal predecessors, (10395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 5226 states and 10395 transitions. [2021-11-19 13:29:31,523 INFO L78 Accepts]: Start accepts. Automaton has 5226 states and 10395 transitions. Word has length 24 [2021-11-19 13:29:31,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:31,523 INFO L470 AbstractCegarLoop]: Abstraction has 5226 states and 10395 transitions. [2021-11-19 13:29:31,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5226 states and 10395 transitions. [2021-11-19 13:29:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:31,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:31,524 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:31,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-11-19 13:29:31,524 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:31,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:31,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2028343354, now seen corresponding path program 53 times [2021-11-19 13:29:31,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:31,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410455469] [2021-11-19 13:29:31,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:31,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:31,733 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:31,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410455469] [2021-11-19 13:29:31,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410455469] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:31,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:31,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:31,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088082272] [2021-11-19 13:29:31,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:31,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:31,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:31,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:31,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:31,734 INFO L87 Difference]: Start difference. First operand 5226 states and 10395 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:36,985 INFO L93 Difference]: Finished difference Result 14596 states and 28928 transitions. [2021-11-19 13:29:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-19 13:29:36,985 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:36,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:37,011 INFO L225 Difference]: With dead ends: 14596 [2021-11-19 13:29:37,011 INFO L226 Difference]: Without dead ends: 14596 [2021-11-19 13:29:37,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=406, Invalid=1000, Unknown=0, NotChecked=0, Total=1406 [2021-11-19 13:29:37,011 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 833 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 4459 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 4601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 4459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:37,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [833 Valid, 592 Invalid, 4601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 4459 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-19 13:29:37,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14596 states. [2021-11-19 13:29:37,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14596 to 5212. [2021-11-19 13:29:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5212 states, 5140 states have (on average 2.0169260700389104) internal successors, (10367), 5211 states have internal predecessors, (10367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:37,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 10367 transitions. [2021-11-19 13:29:37,140 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 10367 transitions. Word has length 24 [2021-11-19 13:29:37,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:37,141 INFO L470 AbstractCegarLoop]: Abstraction has 5212 states and 10367 transitions. [2021-11-19 13:29:37,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 10367 transitions. [2021-11-19 13:29:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:37,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:37,142 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:37,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-11-19 13:29:37,142 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:37,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:37,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2028595582, now seen corresponding path program 29 times [2021-11-19 13:29:37,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:37,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964844489] [2021-11-19 13:29:37,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:37,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:37,799 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:37,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964844489] [2021-11-19 13:29:37,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964844489] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:37,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:37,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:37,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241290822] [2021-11-19 13:29:37,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:37,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:37,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:37,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:37,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:37,800 INFO L87 Difference]: Start difference. First operand 5212 states and 10367 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:40,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:40,970 INFO L93 Difference]: Finished difference Result 12966 states and 25707 transitions. [2021-11-19 13:29:40,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-19 13:29:40,970 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:40,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:40,992 INFO L225 Difference]: With dead ends: 12966 [2021-11-19 13:29:40,992 INFO L226 Difference]: Without dead ends: 12966 [2021-11-19 13:29:40,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=346, Invalid=914, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 13:29:40,993 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 846 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 2593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:40,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [846 Valid, 492 Invalid, 2593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 2452 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:29:41,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12966 states. [2021-11-19 13:29:41,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12966 to 5188. [2021-11-19 13:29:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5188 states, 5116 states have (on average 2.0162236121970287) internal successors, (10315), 5187 states have internal predecessors, (10315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 10315 transitions. [2021-11-19 13:29:41,109 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 10315 transitions. Word has length 24 [2021-11-19 13:29:41,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:41,109 INFO L470 AbstractCegarLoop]: Abstraction has 5188 states and 10315 transitions. [2021-11-19 13:29:41,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 10315 transitions. [2021-11-19 13:29:41,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:41,110 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:41,110 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:41,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-11-19 13:29:41,110 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:41,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:41,110 INFO L85 PathProgramCache]: Analyzing trace with hash -155334062, now seen corresponding path program 30 times [2021-11-19 13:29:41,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:41,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947691542] [2021-11-19 13:29:41,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:41,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:41,589 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:41,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947691542] [2021-11-19 13:29:41,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947691542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:41,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:41,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:41,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379568371] [2021-11-19 13:29:41,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:41,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:41,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:41,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:41,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:41,590 INFO L87 Difference]: Start difference. First operand 5188 states and 10315 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:46,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:46,588 INFO L93 Difference]: Finished difference Result 12910 states and 25590 transitions. [2021-11-19 13:29:46,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 13:29:46,588 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:46,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:46,610 INFO L225 Difference]: With dead ends: 12910 [2021-11-19 13:29:46,610 INFO L226 Difference]: Without dead ends: 12910 [2021-11-19 13:29:46,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=368, Invalid=964, Unknown=0, NotChecked=0, Total=1332 [2021-11-19 13:29:46,610 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 815 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 4341 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 4455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 4341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:46,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [815 Valid, 559 Invalid, 4455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 4341 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-19 13:29:46,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12910 states. [2021-11-19 13:29:46,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12910 to 5189. [2021-11-19 13:29:46,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5189 states, 5117 states have (on average 2.016220441665038) internal successors, (10317), 5188 states have internal predecessors, (10317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:46,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 10317 transitions. [2021-11-19 13:29:46,732 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 10317 transitions. Word has length 24 [2021-11-19 13:29:46,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:46,732 INFO L470 AbstractCegarLoop]: Abstraction has 5189 states and 10317 transitions. [2021-11-19 13:29:46,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:46,733 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 10317 transitions. [2021-11-19 13:29:46,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:46,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:46,733 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:46,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-11-19 13:29:46,734 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:46,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:46,734 INFO L85 PathProgramCache]: Analyzing trace with hash -149654552, now seen corresponding path program 31 times [2021-11-19 13:29:46,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:46,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767531697] [2021-11-19 13:29:46,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:46,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:47,271 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:47,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767531697] [2021-11-19 13:29:47,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767531697] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:47,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:47,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:47,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42006146] [2021-11-19 13:29:47,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:47,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:47,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:47,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:47,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:47,272 INFO L87 Difference]: Start difference. First operand 5189 states and 10317 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:52,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:52,666 INFO L93 Difference]: Finished difference Result 12913 states and 25596 transitions. [2021-11-19 13:29:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-19 13:29:52,667 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:52,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:52,689 INFO L225 Difference]: With dead ends: 12913 [2021-11-19 13:29:52,689 INFO L226 Difference]: Without dead ends: 12913 [2021-11-19 13:29:52,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=394, Invalid=1012, Unknown=0, NotChecked=0, Total=1406 [2021-11-19 13:29:52,689 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 820 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 4630 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 4744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 4630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:52,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [820 Valid, 571 Invalid, 4744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 4630 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-19 13:29:52,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12913 states. [2021-11-19 13:29:52,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12913 to 5176. [2021-11-19 13:29:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5176 states, 5104 states have (on average 2.0162617554858935) internal successors, (10291), 5175 states have internal predecessors, (10291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 10291 transitions. [2021-11-19 13:29:52,807 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 10291 transitions. Word has length 24 [2021-11-19 13:29:52,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:52,808 INFO L470 AbstractCegarLoop]: Abstraction has 5176 states and 10291 transitions. [2021-11-19 13:29:52,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:52,808 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 10291 transitions. [2021-11-19 13:29:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:52,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:52,809 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:52,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-11-19 13:29:52,809 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:52,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:52,809 INFO L85 PathProgramCache]: Analyzing trace with hash -861382910, now seen corresponding path program 32 times [2021-11-19 13:29:52,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:52,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450388889] [2021-11-19 13:29:52,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:52,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:53,269 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:53,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450388889] [2021-11-19 13:29:53,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450388889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:53,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:53,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:53,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962150531] [2021-11-19 13:29:53,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:53,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:53,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:53,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:53,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:53,270 INFO L87 Difference]: Start difference. First operand 5176 states and 10291 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:57,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:57,446 INFO L93 Difference]: Finished difference Result 12908 states and 25586 transitions. [2021-11-19 13:29:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 13:29:57,446 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:29:57,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:57,468 INFO L225 Difference]: With dead ends: 12908 [2021-11-19 13:29:57,469 INFO L226 Difference]: Without dead ends: 12908 [2021-11-19 13:29:57,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=325, Invalid=865, Unknown=0, NotChecked=0, Total=1190 [2021-11-19 13:29:57,469 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 796 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 3618 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 3618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:57,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 527 Invalid, 3751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 3618 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-19 13:29:57,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12908 states. [2021-11-19 13:29:57,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12908 to 5178. [2021-11-19 13:29:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5178 states, 5106 states have (on average 2.016255385820603) internal successors, (10295), 5177 states have internal predecessors, (10295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:29:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 5178 states and 10295 transitions. [2021-11-19 13:29:57,615 INFO L78 Accepts]: Start accepts. Automaton has 5178 states and 10295 transitions. Word has length 24 [2021-11-19 13:29:57,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:57,616 INFO L470 AbstractCegarLoop]: Abstraction has 5178 states and 10295 transitions. [2021-11-19 13:29:57,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:29:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 5178 states and 10295 transitions. [2021-11-19 13:29:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:29:57,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:57,617 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:29:57,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-11-19 13:29:57,617 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:29:57,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:57,618 INFO L85 PathProgramCache]: Analyzing trace with hash -855703400, now seen corresponding path program 33 times [2021-11-19 13:29:57,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:29:57,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870160098] [2021-11-19 13:29:57,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:57,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:29:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:29:58,098 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:29:58,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870160098] [2021-11-19 13:29:58,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870160098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:58,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:58,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:29:58,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708447560] [2021-11-19 13:29:58,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:58,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:29:58,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:29:58,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:29:58,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:29:58,100 INFO L87 Difference]: Start difference. First operand 5178 states and 10295 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:02,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:02,520 INFO L93 Difference]: Finished difference Result 12922 states and 25614 transitions. [2021-11-19 13:30:02,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-19 13:30:02,520 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:02,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:02,538 INFO L225 Difference]: With dead ends: 12922 [2021-11-19 13:30:02,538 INFO L226 Difference]: Without dead ends: 12922 [2021-11-19 13:30:02,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=348, Invalid=912, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 13:30:02,539 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 771 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 3862 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 3966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 3862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:02,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 536 Invalid, 3966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 3862 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 13:30:02,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12922 states. [2021-11-19 13:30:02,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12922 to 5177. [2021-11-19 13:30:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5177 states, 5105 states have (on average 2.016258570029383) internal successors, (10293), 5176 states have internal predecessors, (10293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5177 states to 5177 states and 10293 transitions. [2021-11-19 13:30:02,645 INFO L78 Accepts]: Start accepts. Automaton has 5177 states and 10293 transitions. Word has length 24 [2021-11-19 13:30:02,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:02,646 INFO L470 AbstractCegarLoop]: Abstraction has 5177 states and 10293 transitions. [2021-11-19 13:30:02,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 5177 states and 10293 transitions. [2021-11-19 13:30:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:02,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:02,647 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:02,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-11-19 13:30:02,647 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:02,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:02,647 INFO L85 PathProgramCache]: Analyzing trace with hash -678744860, now seen corresponding path program 34 times [2021-11-19 13:30:02,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:02,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075867432] [2021-11-19 13:30:02,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:02,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:02,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:02,995 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:02,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075867432] [2021-11-19 13:30:02,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075867432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:02,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:02,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:02,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896074653] [2021-11-19 13:30:02,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:02,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:02,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:02,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:02,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:02,996 INFO L87 Difference]: Start difference. First operand 5177 states and 10293 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:07,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:07,143 INFO L93 Difference]: Finished difference Result 12928 states and 25626 transitions. [2021-11-19 13:30:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-19 13:30:07,144 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:07,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:07,166 INFO L225 Difference]: With dead ends: 12928 [2021-11-19 13:30:07,166 INFO L226 Difference]: Without dead ends: 12928 [2021-11-19 13:30:07,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=347, Invalid=913, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 13:30:07,166 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 771 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 3675 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 3792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:07,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 533 Invalid, 3792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3675 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 13:30:07,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12928 states. [2021-11-19 13:30:07,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12928 to 5164. [2021-11-19 13:30:07,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5164 states, 5092 states have (on average 2.0163000785545955) internal successors, (10267), 5163 states have internal predecessors, (10267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 5164 states and 10267 transitions. [2021-11-19 13:30:07,284 INFO L78 Accepts]: Start accepts. Automaton has 5164 states and 10267 transitions. Word has length 24 [2021-11-19 13:30:07,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:07,284 INFO L470 AbstractCegarLoop]: Abstraction has 5164 states and 10267 transitions. [2021-11-19 13:30:07,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5164 states and 10267 transitions. [2021-11-19 13:30:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:07,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:07,285 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:07,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-11-19 13:30:07,285 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:07,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:07,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1995205074, now seen corresponding path program 35 times [2021-11-19 13:30:07,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:07,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24799042] [2021-11-19 13:30:07,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:07,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:07,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:07,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24799042] [2021-11-19 13:30:07,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24799042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:07,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:07,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:07,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524165220] [2021-11-19 13:30:07,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:07,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:07,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:07,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:07,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:07,637 INFO L87 Difference]: Start difference. First operand 5164 states and 10267 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:11,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:11,586 INFO L93 Difference]: Finished difference Result 12904 states and 25578 transitions. [2021-11-19 13:30:11,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 13:30:11,587 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:11,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:11,603 INFO L225 Difference]: With dead ends: 12904 [2021-11-19 13:30:11,603 INFO L226 Difference]: Without dead ends: 12904 [2021-11-19 13:30:11,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=287, Invalid=769, Unknown=0, NotChecked=0, Total=1056 [2021-11-19 13:30:11,604 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 767 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 3637 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:11,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 529 Invalid, 3751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3637 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-19 13:30:11,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12904 states. [2021-11-19 13:30:11,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12904 to 5167. [2021-11-19 13:30:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5167 states, 5095 states have (on average 2.0162904808635917) internal successors, (10273), 5166 states have internal predecessors, (10273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:11,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 5167 states and 10273 transitions. [2021-11-19 13:30:11,707 INFO L78 Accepts]: Start accepts. Automaton has 5167 states and 10273 transitions. Word has length 24 [2021-11-19 13:30:11,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:11,707 INFO L470 AbstractCegarLoop]: Abstraction has 5167 states and 10273 transitions. [2021-11-19 13:30:11,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 5167 states and 10273 transitions. [2021-11-19 13:30:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:11,708 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:11,708 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:11,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-11-19 13:30:11,708 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:11,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:11,708 INFO L85 PathProgramCache]: Analyzing trace with hash 2000884584, now seen corresponding path program 36 times [2021-11-19 13:30:11,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:11,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207160665] [2021-11-19 13:30:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:11,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:12,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:12,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207160665] [2021-11-19 13:30:12,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207160665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:12,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:12,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:12,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620413327] [2021-11-19 13:30:12,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:12,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:12,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:12,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:12,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:12,037 INFO L87 Difference]: Start difference. First operand 5167 states and 10273 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:15,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:15,517 INFO L93 Difference]: Finished difference Result 12918 states and 25606 transitions. [2021-11-19 13:30:15,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:30:15,518 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:15,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:15,539 INFO L225 Difference]: With dead ends: 12918 [2021-11-19 13:30:15,539 INFO L226 Difference]: Without dead ends: 12918 [2021-11-19 13:30:15,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=307, Invalid=815, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 13:30:15,539 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 771 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 3240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:15,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 510 Invalid, 3240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3126 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:30:15,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12918 states. [2021-11-19 13:30:15,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12918 to 5166. [2021-11-19 13:30:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5166 states, 5094 states have (on average 2.0162936788378483) internal successors, (10271), 5165 states have internal predecessors, (10271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 10271 transitions. [2021-11-19 13:30:15,721 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 10271 transitions. Word has length 24 [2021-11-19 13:30:15,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:15,722 INFO L470 AbstractCegarLoop]: Abstraction has 5166 states and 10271 transitions. [2021-11-19 13:30:15,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 10271 transitions. [2021-11-19 13:30:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:15,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:15,723 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:15,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-11-19 13:30:15,723 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:15,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:15,723 INFO L85 PathProgramCache]: Analyzing trace with hash -2117124172, now seen corresponding path program 37 times [2021-11-19 13:30:15,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:15,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763920017] [2021-11-19 13:30:15,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:15,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:16,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:16,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:16,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763920017] [2021-11-19 13:30:16,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763920017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:16,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:16,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:16,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853540971] [2021-11-19 13:30:16,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:16,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:16,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:16,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:16,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:16,100 INFO L87 Difference]: Start difference. First operand 5166 states and 10271 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:20,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:20,472 INFO L93 Difference]: Finished difference Result 12932 states and 25634 transitions. [2021-11-19 13:30:20,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:30:20,472 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:20,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:20,490 INFO L225 Difference]: With dead ends: 12932 [2021-11-19 13:30:20,490 INFO L226 Difference]: Without dead ends: 12932 [2021-11-19 13:30:20,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=305, Invalid=817, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 13:30:20,490 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 737 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 4158 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 4252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 4158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:20,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 550 Invalid, 4252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 4158 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 13:30:20,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12932 states. [2021-11-19 13:30:20,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12932 to 5165. [2021-11-19 13:30:20,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5165 states, 5093 states have (on average 2.0162968780679362) internal successors, (10269), 5164 states have internal predecessors, (10269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:20,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 5165 states and 10269 transitions. [2021-11-19 13:30:20,593 INFO L78 Accepts]: Start accepts. Automaton has 5165 states and 10269 transitions. Word has length 24 [2021-11-19 13:30:20,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:20,594 INFO L470 AbstractCegarLoop]: Abstraction has 5165 states and 10269 transitions. [2021-11-19 13:30:20,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:20,594 INFO L276 IsEmpty]: Start isEmpty. Operand 5165 states and 10269 transitions. [2021-11-19 13:30:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:20,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:20,595 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:20,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-11-19 13:30:20,595 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:20,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:20,595 INFO L85 PathProgramCache]: Analyzing trace with hash -898671098, now seen corresponding path program 38 times [2021-11-19 13:30:20,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:20,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722493732] [2021-11-19 13:30:20,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:20,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:20,913 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:20,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722493732] [2021-11-19 13:30:20,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722493732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:20,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:20,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:20,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081452596] [2021-11-19 13:30:20,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:20,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:20,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:20,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:20,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:20,915 INFO L87 Difference]: Start difference. First operand 5165 states and 10269 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:24,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:24,323 INFO L93 Difference]: Finished difference Result 12905 states and 25580 transitions. [2021-11-19 13:30:24,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:30:24,323 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:24,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:24,356 INFO L225 Difference]: With dead ends: 12905 [2021-11-19 13:30:24,356 INFO L226 Difference]: Without dead ends: 12905 [2021-11-19 13:30:24,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=305, Invalid=817, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 13:30:24,357 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 768 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 3157 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 3275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:24,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [768 Valid, 517 Invalid, 3275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 3157 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 13:30:24,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12905 states. [2021-11-19 13:30:24,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12905 to 5133. [2021-11-19 13:30:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5133 states, 5061 states have (on average 2.0163999209642363) internal successors, (10205), 5132 states have internal predecessors, (10205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:24,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5133 states to 5133 states and 10205 transitions. [2021-11-19 13:30:24,478 INFO L78 Accepts]: Start accepts. Automaton has 5133 states and 10205 transitions. Word has length 24 [2021-11-19 13:30:24,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:24,478 INFO L470 AbstractCegarLoop]: Abstraction has 5133 states and 10205 transitions. [2021-11-19 13:30:24,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5133 states and 10205 transitions. [2021-11-19 13:30:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:24,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:24,479 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:24,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-11-19 13:30:24,479 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:24,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:24,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1321610566, now seen corresponding path program 54 times [2021-11-19 13:30:24,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:24,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280567791] [2021-11-19 13:30:24,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:24,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:24,992 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:24,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280567791] [2021-11-19 13:30:24,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280567791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:24,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:24,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:24,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113535517] [2021-11-19 13:30:24,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:24,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:24,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:24,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:24,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:24,994 INFO L87 Difference]: Start difference. First operand 5133 states and 10205 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:28,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:28,595 INFO L93 Difference]: Finished difference Result 10064 states and 19944 transitions. [2021-11-19 13:30:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 13:30:28,596 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:28,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:28,610 INFO L225 Difference]: With dead ends: 10064 [2021-11-19 13:30:28,610 INFO L226 Difference]: Without dead ends: 10064 [2021-11-19 13:30:28,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=236, Invalid=520, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:30:28,611 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 654 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 3130 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 3253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 3130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:28,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [654 Valid, 406 Invalid, 3253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 3130 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:30:28,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10064 states. [2021-11-19 13:30:28,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10064 to 5144. [2021-11-19 13:30:28,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 5072 states have (on average 2.016364353312303) internal successors, (10227), 5143 states have internal predecessors, (10227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:28,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 10227 transitions. [2021-11-19 13:30:28,705 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 10227 transitions. Word has length 24 [2021-11-19 13:30:28,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:28,705 INFO L470 AbstractCegarLoop]: Abstraction has 5144 states and 10227 transitions. [2021-11-19 13:30:28,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:28,705 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 10227 transitions. [2021-11-19 13:30:28,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:28,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:28,706 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:28,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-11-19 13:30:28,706 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:28,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:28,707 INFO L85 PathProgramCache]: Analyzing trace with hash -2092604326, now seen corresponding path program 55 times [2021-11-19 13:30:28,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:28,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766297247] [2021-11-19 13:30:28,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:28,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:29,214 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:29,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766297247] [2021-11-19 13:30:29,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766297247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:29,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:29,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:29,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685857957] [2021-11-19 13:30:29,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:29,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:29,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:29,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:29,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:29,216 INFO L87 Difference]: Start difference. First operand 5144 states and 10227 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:31,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:31,839 INFO L93 Difference]: Finished difference Result 10082 states and 19980 transitions. [2021-11-19 13:30:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 13:30:31,840 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:31,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:31,855 INFO L225 Difference]: With dead ends: 10082 [2021-11-19 13:30:31,855 INFO L226 Difference]: Without dead ends: 10082 [2021-11-19 13:30:31,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=326, Invalid=666, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:30:31,856 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 600 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:31,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [600 Valid, 364 Invalid, 1802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 13:30:31,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10082 states. [2021-11-19 13:30:31,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10082 to 5131. [2021-11-19 13:30:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5131 states, 5059 states have (on average 2.0164064044277525) internal successors, (10201), 5130 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) [2021-11-19 13:30:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5131 states to 5131 states and 10201 transitions. [2021-11-19 13:30:31,961 INFO L78 Accepts]: Start accepts. Automaton has 5131 states and 10201 transitions. Word has length 24 [2021-11-19 13:30:31,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:31,962 INFO L470 AbstractCegarLoop]: Abstraction has 5131 states and 10201 transitions. [2021-11-19 13:30:31,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:31,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5131 states and 10201 transitions. [2021-11-19 13:30:31,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:31,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:31,963 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:31,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-11-19 13:30:31,963 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:31,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:31,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1198993940, now seen corresponding path program 56 times [2021-11-19 13:30:31,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:31,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181372287] [2021-11-19 13:30:31,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:31,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:32,436 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:32,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181372287] [2021-11-19 13:30:32,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181372287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:32,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:32,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:32,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998073784] [2021-11-19 13:30:32,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:32,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:32,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:32,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:32,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:32,437 INFO L87 Difference]: Start difference. First operand 5131 states and 10201 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:35,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:35,903 INFO L93 Difference]: Finished difference Result 10098 states and 20012 transitions. [2021-11-19 13:30:35,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 13:30:35,903 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:35,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:35,917 INFO L225 Difference]: With dead ends: 10098 [2021-11-19 13:30:35,917 INFO L226 Difference]: Without dead ends: 10098 [2021-11-19 13:30:35,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=224, Invalid=532, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:30:35,918 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 554 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 3101 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 3237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 3101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:35,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [554 Valid, 408 Invalid, 3237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 3101 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-19 13:30:35,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10098 states. [2021-11-19 13:30:36,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10098 to 5155. [2021-11-19 13:30:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5155 states, 5083 states have (on average 2.0163289396025967) internal successors, (10249), 5154 states have internal predecessors, (10249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 5155 states and 10249 transitions. [2021-11-19 13:30:36,022 INFO L78 Accepts]: Start accepts. Automaton has 5155 states and 10249 transitions. Word has length 24 [2021-11-19 13:30:36,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:36,022 INFO L470 AbstractCegarLoop]: Abstraction has 5155 states and 10249 transitions. [2021-11-19 13:30:36,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:36,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5155 states and 10249 transitions. [2021-11-19 13:30:36,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:36,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:36,023 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:36,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-11-19 13:30:36,024 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:36,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:36,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2079746344, now seen corresponding path program 57 times [2021-11-19 13:30:36,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:36,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559196191] [2021-11-19 13:30:36,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:36,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:36,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:36,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:36,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559196191] [2021-11-19 13:30:36,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559196191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:36,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:36,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:36,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748769584] [2021-11-19 13:30:36,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:36,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:36,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:36,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:36,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:36,421 INFO L87 Difference]: Start difference. First operand 5155 states and 10249 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:41,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:41,372 INFO L93 Difference]: Finished difference Result 10122 states and 20060 transitions. [2021-11-19 13:30:41,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:30:41,373 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:41,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:41,387 INFO L225 Difference]: With dead ends: 10122 [2021-11-19 13:30:41,387 INFO L226 Difference]: Without dead ends: 10122 [2021-11-19 13:30:41,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=334, Invalid=722, Unknown=0, NotChecked=0, Total=1056 [2021-11-19 13:30:41,388 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 576 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 4249 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 4368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 4249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:41,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [576 Valid, 439 Invalid, 4368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 4249 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-19 13:30:41,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10122 states. [2021-11-19 13:30:41,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10122 to 5143. [2021-11-19 13:30:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5143 states, 5071 states have (on average 2.0163675803589034) internal successors, (10225), 5142 states have internal predecessors, (10225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 10225 transitions. [2021-11-19 13:30:41,492 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 10225 transitions. Word has length 24 [2021-11-19 13:30:41,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:41,492 INFO L470 AbstractCegarLoop]: Abstraction has 5143 states and 10225 transitions. [2021-11-19 13:30:41,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:41,493 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 10225 transitions. [2021-11-19 13:30:41,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:41,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:41,494 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:41,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-11-19 13:30:41,494 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:41,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:41,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1131233914, now seen corresponding path program 58 times [2021-11-19 13:30:41,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:41,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050820327] [2021-11-19 13:30:41,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:41,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:41,887 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:41,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050820327] [2021-11-19 13:30:41,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050820327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:41,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:41,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:41,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105734654] [2021-11-19 13:30:41,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:41,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:41,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:41,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:41,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:41,889 INFO L87 Difference]: Start difference. First operand 5143 states and 10225 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:46,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:46,947 INFO L93 Difference]: Finished difference Result 10112 states and 20040 transitions. [2021-11-19 13:30:46,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-19 13:30:46,947 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:46,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:46,961 INFO L225 Difference]: With dead ends: 10112 [2021-11-19 13:30:46,961 INFO L226 Difference]: Without dead ends: 10112 [2021-11-19 13:30:46,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=378, Invalid=812, Unknown=0, NotChecked=0, Total=1190 [2021-11-19 13:30:46,961 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 607 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 4646 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 4742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 4646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:46,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 450 Invalid, 4742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 4646 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-19 13:30:46,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10112 states. [2021-11-19 13:30:47,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10112 to 5144. [2021-11-19 13:30:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 5072 states have (on average 2.016364353312303) internal successors, (10227), 5143 states have internal predecessors, (10227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:47,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 10227 transitions. [2021-11-19 13:30:47,058 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 10227 transitions. Word has length 24 [2021-11-19 13:30:47,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:47,059 INFO L470 AbstractCegarLoop]: Abstraction has 5144 states and 10227 transitions. [2021-11-19 13:30:47,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 10227 transitions. [2021-11-19 13:30:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:47,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:47,060 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:47,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-11-19 13:30:47,060 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:47,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:47,060 INFO L85 PathProgramCache]: Analyzing trace with hash -771060724, now seen corresponding path program 59 times [2021-11-19 13:30:47,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:47,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116423331] [2021-11-19 13:30:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:47,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:47,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:47,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:47,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116423331] [2021-11-19 13:30:47,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116423331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:47,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:47,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:47,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334959856] [2021-11-19 13:30:47,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:47,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:47,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:47,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:47,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:47,418 INFO L87 Difference]: Start difference. First operand 5144 states and 10227 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:52,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:52,073 INFO L93 Difference]: Finished difference Result 10116 states and 20048 transitions. [2021-11-19 13:30:52,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-19 13:30:52,073 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:52,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:52,087 INFO L225 Difference]: With dead ends: 10116 [2021-11-19 13:30:52,087 INFO L226 Difference]: Without dead ends: 10116 [2021-11-19 13:30:52,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=413, Invalid=919, Unknown=0, NotChecked=0, Total=1332 [2021-11-19 13:30:52,088 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 597 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 3812 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 3936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 3812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:52,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 425 Invalid, 3936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 3812 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-19 13:30:52,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10116 states. [2021-11-19 13:30:52,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10116 to 5130. [2021-11-19 13:30:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5130 states, 5058 states have (on average 2.016409648082246) internal successors, (10199), 5129 states have internal predecessors, (10199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5130 states to 5130 states and 10199 transitions. [2021-11-19 13:30:52,178 INFO L78 Accepts]: Start accepts. Automaton has 5130 states and 10199 transitions. Word has length 24 [2021-11-19 13:30:52,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:52,179 INFO L470 AbstractCegarLoop]: Abstraction has 5130 states and 10199 transitions. [2021-11-19 13:30:52,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:52,179 INFO L276 IsEmpty]: Start isEmpty. Operand 5130 states and 10199 transitions. [2021-11-19 13:30:52,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:52,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:52,180 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:52,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-11-19 13:30:52,180 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:52,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:52,180 INFO L85 PathProgramCache]: Analyzing trace with hash -887657952, now seen corresponding path program 60 times [2021-11-19 13:30:52,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:52,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079867227] [2021-11-19 13:30:52,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:52,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:52,566 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:52,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079867227] [2021-11-19 13:30:52,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079867227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:52,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:52,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:52,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269532992] [2021-11-19 13:30:52,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:52,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:52,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:52,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:52,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:52,568 INFO L87 Difference]: Start difference. First operand 5130 states and 10199 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:56,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:56,248 INFO L93 Difference]: Finished difference Result 10105 states and 20026 transitions. [2021-11-19 13:30:56,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 13:30:56,249 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:56,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:56,264 INFO L225 Difference]: With dead ends: 10105 [2021-11-19 13:30:56,264 INFO L226 Difference]: Without dead ends: 10105 [2021-11-19 13:30:56,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:30:56,264 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 527 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 3577 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 3703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 3577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:56,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [527 Valid, 424 Invalid, 3703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 3577 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 13:30:56,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10105 states. [2021-11-19 13:30:56,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10105 to 5139. [2021-11-19 13:30:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5139 states, 5067 states have (on average 2.01638050128281) internal successors, (10217), 5138 states have internal predecessors, (10217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 10217 transitions. [2021-11-19 13:30:56,365 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 10217 transitions. Word has length 24 [2021-11-19 13:30:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:56,365 INFO L470 AbstractCegarLoop]: Abstraction has 5139 states and 10217 transitions. [2021-11-19 13:30:56,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 10217 transitions. [2021-11-19 13:30:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:56,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:56,366 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:56,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-11-19 13:30:56,366 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:56,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:56,367 INFO L85 PathProgramCache]: Analyzing trace with hash -6905548, now seen corresponding path program 61 times [2021-11-19 13:30:56,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:56,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47992261] [2021-11-19 13:30:56,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:56,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:30:56,739 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:30:56,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47992261] [2021-11-19 13:30:56,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47992261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:56,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:56,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:30:56,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169321200] [2021-11-19 13:30:56,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:56,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:30:56,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:30:56,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:30:56,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:30:56,741 INFO L87 Difference]: Start difference. First operand 5139 states and 10217 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:59,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:59,607 INFO L93 Difference]: Finished difference Result 10121 states and 20058 transitions. [2021-11-19 13:30:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 13:30:59,607 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:30:59,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:59,622 INFO L225 Difference]: With dead ends: 10121 [2021-11-19 13:30:59,622 INFO L226 Difference]: Without dead ends: 10121 [2021-11-19 13:30:59,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=265, Invalid=605, Unknown=0, NotChecked=0, Total=870 [2021-11-19 13:30:59,622 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 556 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 2494 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 2637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:59,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [556 Valid, 392 Invalid, 2637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 2494 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 13:30:59,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10121 states. [2021-11-19 13:30:59,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10121 to 5127. [2021-11-19 13:30:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5127 states, 5055 states have (on average 2.0164193867457962) internal successors, (10193), 5126 states have internal predecessors, (10193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:30:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5127 states to 5127 states and 10193 transitions. [2021-11-19 13:30:59,718 INFO L78 Accepts]: Start accepts. Automaton has 5127 states and 10193 transitions. Word has length 24 [2021-11-19 13:30:59,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:59,718 INFO L470 AbstractCegarLoop]: Abstraction has 5127 states and 10193 transitions. [2021-11-19 13:30:59,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:30:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 10193 transitions. [2021-11-19 13:30:59,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:30:59,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:59,719 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:30:59,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-11-19 13:30:59,719 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:30:59,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:59,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1827034604, now seen corresponding path program 62 times [2021-11-19 13:30:59,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:30:59,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382965167] [2021-11-19 13:30:59,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:59,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:30:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:00,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:00,049 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:00,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382965167] [2021-11-19 13:31:00,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382965167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:00,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:00,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:31:00,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523317015] [2021-11-19 13:31:00,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:00,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:31:00,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:00,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:31:00,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:31:00,050 INFO L87 Difference]: Start difference. First operand 5127 states and 10193 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:04,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:04,138 INFO L93 Difference]: Finished difference Result 10123 states and 20062 transitions. [2021-11-19 13:31:04,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 13:31:04,139 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:31:04,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:04,155 INFO L225 Difference]: With dead ends: 10123 [2021-11-19 13:31:04,155 INFO L226 Difference]: Without dead ends: 10123 [2021-11-19 13:31:04,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=386, Invalid=874, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 13:31:04,155 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 644 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 3576 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 3704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 3576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:04,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [644 Valid, 416 Invalid, 3704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 3576 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 13:31:04,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10123 states. [2021-11-19 13:31:04,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10123 to 5128. [2021-11-19 13:31:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5128 states, 5056 states have (on average 2.0164161392405062) internal successors, (10195), 5127 states have internal predecessors, (10195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:04,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 10195 transitions. [2021-11-19 13:31:04,263 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 10195 transitions. Word has length 24 [2021-11-19 13:31:04,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:04,264 INFO L470 AbstractCegarLoop]: Abstraction has 5128 states and 10195 transitions. [2021-11-19 13:31:04,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:04,264 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 10195 transitions. [2021-11-19 13:31:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:04,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:04,265 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:04,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-11-19 13:31:04,265 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:04,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:04,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1466861414, now seen corresponding path program 63 times [2021-11-19 13:31:04,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:04,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112222742] [2021-11-19 13:31:04,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:04,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:04,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:04,616 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:04,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112222742] [2021-11-19 13:31:04,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112222742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:04,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:04,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:31:04,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38757077] [2021-11-19 13:31:04,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:04,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:31:04,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:04,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:31:04,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:31:04,617 INFO L87 Difference]: Start difference. First operand 5128 states and 10195 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:09,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:09,673 INFO L93 Difference]: Finished difference Result 10131 states and 20078 transitions. [2021-11-19 13:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-19 13:31:09,673 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:31:09,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:09,688 INFO L225 Difference]: With dead ends: 10131 [2021-11-19 13:31:09,689 INFO L226 Difference]: Without dead ends: 10131 [2021-11-19 13:31:09,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=421, Invalid=985, Unknown=0, NotChecked=0, Total=1406 [2021-11-19 13:31:09,689 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 619 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 4709 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 4837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 4709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:09,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [619 Valid, 445 Invalid, 4837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 4709 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-19 13:31:09,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10131 states. [2021-11-19 13:31:09,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10131 to 5101. [2021-11-19 13:31:09,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5101 states, 5029 states have (on average 2.016504275203818) internal successors, (10141), 5100 states have internal predecessors, (10141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:09,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5101 states to 5101 states and 10141 transitions. [2021-11-19 13:31:09,817 INFO L78 Accepts]: Start accepts. Automaton has 5101 states and 10141 transitions. Word has length 24 [2021-11-19 13:31:09,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:09,817 INFO L470 AbstractCegarLoop]: Abstraction has 5101 states and 10141 transitions. [2021-11-19 13:31:09,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:09,817 INFO L276 IsEmpty]: Start isEmpty. Operand 5101 states and 10141 transitions. [2021-11-19 13:31:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:09,818 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:09,818 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:09,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-11-19 13:31:09,818 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:09,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:09,818 INFO L85 PathProgramCache]: Analyzing trace with hash 555245952, now seen corresponding path program 64 times [2021-11-19 13:31:09,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:09,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650262092] [2021-11-19 13:31:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:09,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:10,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:10,088 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:10,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650262092] [2021-11-19 13:31:10,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650262092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:10,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:10,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:31:10,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524752775] [2021-11-19 13:31:10,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:10,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:31:10,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:10,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:31:10,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:31:10,089 INFO L87 Difference]: Start difference. First operand 5101 states and 10141 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:12,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:12,829 INFO L93 Difference]: Finished difference Result 9671 states and 19149 transitions. [2021-11-19 13:31:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 13:31:12,829 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:31:12,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:12,844 INFO L225 Difference]: With dead ends: 9671 [2021-11-19 13:31:12,845 INFO L226 Difference]: Without dead ends: 9671 [2021-11-19 13:31:12,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2021-11-19 13:31:12,845 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 665 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 2482 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 2596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 2482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:12,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [665 Valid, 462 Invalid, 2596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 2482 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 13:31:12,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9671 states. [2021-11-19 13:31:12,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9671 to 5094. [2021-11-19 13:31:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5094 states, 5022 states have (on average 2.01652727996814) internal successors, (10127), 5093 states have internal predecessors, (10127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:12,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5094 states to 5094 states and 10127 transitions. [2021-11-19 13:31:12,976 INFO L78 Accepts]: Start accepts. Automaton has 5094 states and 10127 transitions. Word has length 24 [2021-11-19 13:31:12,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:12,977 INFO L470 AbstractCegarLoop]: Abstraction has 5094 states and 10127 transitions. [2021-11-19 13:31:12,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 5094 states and 10127 transitions. [2021-11-19 13:31:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:12,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:12,978 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:12,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-11-19 13:31:12,978 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:12,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:12,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1435998356, now seen corresponding path program 65 times [2021-11-19 13:31:12,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:12,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789234383] [2021-11-19 13:31:12,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:12,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:13,236 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:13,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789234383] [2021-11-19 13:31:13,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789234383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:13,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:13,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:31:13,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659439974] [2021-11-19 13:31:13,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:13,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:31:13,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:13,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:31:13,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:31:13,238 INFO L87 Difference]: Start difference. First operand 5094 states and 10127 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:17,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:17,187 INFO L93 Difference]: Finished difference Result 9685 states and 19177 transitions. [2021-11-19 13:31:17,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 13:31:17,188 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:31:17,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:17,199 INFO L225 Difference]: With dead ends: 9685 [2021-11-19 13:31:17,200 INFO L226 Difference]: Without dead ends: 9685 [2021-11-19 13:31:17,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:31:17,200 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 673 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 3656 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 3782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 3656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:17,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [673 Valid, 570 Invalid, 3782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 3656 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 13:31:17,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9685 states. [2021-11-19 13:31:17,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9685 to 5087. [2021-11-19 13:31:17,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5087 states, 5015 states have (on average 2.0165503489531407) internal successors, (10113), 5086 states have internal predecessors, (10113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 10113 transitions. [2021-11-19 13:31:17,297 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 10113 transitions. Word has length 24 [2021-11-19 13:31:17,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:17,297 INFO L470 AbstractCegarLoop]: Abstraction has 5087 states and 10113 transitions. [2021-11-19 13:31:17,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 10113 transitions. [2021-11-19 13:31:17,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:17,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:17,298 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:17,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-11-19 13:31:17,299 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:17,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:17,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1869627892, now seen corresponding path program 66 times [2021-11-19 13:31:17,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:17,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161239564] [2021-11-19 13:31:17,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:17,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:17,533 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:17,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161239564] [2021-11-19 13:31:17,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161239564] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:17,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:17,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:31:17,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979100569] [2021-11-19 13:31:17,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:17,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:31:17,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:17,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:31:17,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:31:17,534 INFO L87 Difference]: Start difference. First operand 5087 states and 10113 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:21,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:21,212 INFO L93 Difference]: Finished difference Result 9692 states and 19191 transitions. [2021-11-19 13:31:21,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:31:21,212 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:31:21,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:21,225 INFO L225 Difference]: With dead ends: 9692 [2021-11-19 13:31:21,225 INFO L226 Difference]: Without dead ends: 9692 [2021-11-19 13:31:21,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=225, Invalid=531, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:31:21,225 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 622 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 3138 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 3279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 3138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:21,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [622 Valid, 553 Invalid, 3279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 3138 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:31:21,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9692 states. [2021-11-19 13:31:21,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9692 to 5088. [2021-11-19 13:31:21,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5088 states, 5016 states have (on average 2.0165470494417863) internal successors, (10115), 5087 states have internal predecessors, (10115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:21,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5088 states to 5088 states and 10115 transitions. [2021-11-19 13:31:21,320 INFO L78 Accepts]: Start accepts. Automaton has 5088 states and 10115 transitions. Word has length 24 [2021-11-19 13:31:21,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:21,320 INFO L470 AbstractCegarLoop]: Abstraction has 5088 states and 10115 transitions. [2021-11-19 13:31:21,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 5088 states and 10115 transitions. [2021-11-19 13:31:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:21,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:21,321 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:21,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-11-19 13:31:21,321 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:21,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:21,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2065166214, now seen corresponding path program 67 times [2021-11-19 13:31:21,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:21,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098831669] [2021-11-19 13:31:21,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:21,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:21,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:21,554 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:21,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098831669] [2021-11-19 13:31:21,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098831669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:21,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:21,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:31:21,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001152500] [2021-11-19 13:31:21,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:21,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:31:21,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:21,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:31:21,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:31:21,556 INFO L87 Difference]: Start difference. First operand 5088 states and 10115 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:25,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:25,712 INFO L93 Difference]: Finished difference Result 9697 states and 19201 transitions. [2021-11-19 13:31:25,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 13:31:25,713 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:31:25,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:25,727 INFO L225 Difference]: With dead ends: 9697 [2021-11-19 13:31:25,727 INFO L226 Difference]: Without dead ends: 9697 [2021-11-19 13:31:25,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=240, Invalid=572, Unknown=0, NotChecked=0, Total=812 [2021-11-19 13:31:25,728 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 733 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 3796 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 3928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 3796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:25,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [733 Valid, 510 Invalid, 3928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 3796 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 13:31:25,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9697 states. [2021-11-19 13:31:25,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9697 to 5080. [2021-11-19 13:31:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5080 states, 5008 states have (on average 2.016573482428115) internal successors, (10099), 5079 states have internal predecessors, (10099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:25,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5080 states to 5080 states and 10099 transitions. [2021-11-19 13:31:25,825 INFO L78 Accepts]: Start accepts. Automaton has 5080 states and 10099 transitions. Word has length 24 [2021-11-19 13:31:25,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:25,825 INFO L470 AbstractCegarLoop]: Abstraction has 5080 states and 10099 transitions. [2021-11-19 13:31:25,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:25,825 INFO L276 IsEmpty]: Start isEmpty. Operand 5080 states and 10099 transitions. [2021-11-19 13:31:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:25,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:25,826 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:25,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-11-19 13:31:25,826 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:25,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:25,826 INFO L85 PathProgramCache]: Analyzing trace with hash -63398188, now seen corresponding path program 68 times [2021-11-19 13:31:25,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:25,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536750358] [2021-11-19 13:31:25,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:25,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:26,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:26,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536750358] [2021-11-19 13:31:26,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536750358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:26,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:26,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:31:26,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090054382] [2021-11-19 13:31:26,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:26,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:31:26,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:26,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:31:26,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:31:26,037 INFO L87 Difference]: Start difference. First operand 5080 states and 10099 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:29,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:29,260 INFO L93 Difference]: Finished difference Result 9737 states and 19277 transitions. [2021-11-19 13:31:29,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 13:31:29,260 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:31:29,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:29,275 INFO L225 Difference]: With dead ends: 9737 [2021-11-19 13:31:29,275 INFO L226 Difference]: Without dead ends: 9737 [2021-11-19 13:31:29,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:31:29,275 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 643 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 3229 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 3356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 3229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:29,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [643 Valid, 560 Invalid, 3356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 3229 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:31:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9737 states. [2021-11-19 13:31:29,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9737 to 5075. [2021-11-19 13:31:29,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 5003 states have (on average 2.0165900459724164) internal successors, (10089), 5074 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) [2021-11-19 13:31:29,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 10089 transitions. [2021-11-19 13:31:29,373 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 10089 transitions. Word has length 24 [2021-11-19 13:31:29,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:29,373 INFO L470 AbstractCegarLoop]: Abstraction has 5075 states and 10089 transitions. [2021-11-19 13:31:29,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:29,374 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 10089 transitions. [2021-11-19 13:31:29,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:29,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:29,374 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:29,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-11-19 13:31:29,375 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:29,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:29,375 INFO L85 PathProgramCache]: Analyzing trace with hash -2029308626, now seen corresponding path program 69 times [2021-11-19 13:31:29,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:29,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083643459] [2021-11-19 13:31:29,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:29,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:29,593 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:29,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083643459] [2021-11-19 13:31:29,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083643459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:29,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:29,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:31:29,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034969867] [2021-11-19 13:31:29,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:29,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:31:29,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:29,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:31:29,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:31:29,594 INFO L87 Difference]: Start difference. First operand 5075 states and 10089 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:32,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:32,250 INFO L93 Difference]: Finished difference Result 9687 states and 19181 transitions. [2021-11-19 13:31:32,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 13:31:32,251 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:31:32,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:32,264 INFO L225 Difference]: With dead ends: 9687 [2021-11-19 13:31:32,264 INFO L226 Difference]: Without dead ends: 9687 [2021-11-19 13:31:32,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:31:32,265 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 578 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 2431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:32,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 530 Invalid, 2431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 13:31:32,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9687 states. [2021-11-19 13:31:32,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9687 to 5073. [2021-11-19 13:31:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5073 states, 5001 states have (on average 2.0165966806638673) internal successors, (10085), 5072 states have internal predecessors, (10085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 5073 states and 10085 transitions. [2021-11-19 13:31:32,365 INFO L78 Accepts]: Start accepts. Automaton has 5073 states and 10085 transitions. Word has length 24 [2021-11-19 13:31:32,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:32,366 INFO L470 AbstractCegarLoop]: Abstraction has 5073 states and 10085 transitions. [2021-11-19 13:31:32,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 10085 transitions. [2021-11-19 13:31:32,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:32,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:32,367 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:32,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-11-19 13:31:32,367 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:32,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:32,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1669135436, now seen corresponding path program 70 times [2021-11-19 13:31:32,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:32,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217929869] [2021-11-19 13:31:32,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:32,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:32,601 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:32,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217929869] [2021-11-19 13:31:32,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217929869] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:32,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:32,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:31:32,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352119322] [2021-11-19 13:31:32,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:32,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:31:32,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:32,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:31:32,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:31:32,602 INFO L87 Difference]: Start difference. First operand 5073 states and 10085 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:36,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:36,179 INFO L93 Difference]: Finished difference Result 9684 states and 19171 transitions. [2021-11-19 13:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 13:31:36,179 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:31:36,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:36,193 INFO L225 Difference]: With dead ends: 9684 [2021-11-19 13:31:36,194 INFO L226 Difference]: Without dead ends: 9684 [2021-11-19 13:31:36,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:31:36,194 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 607 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 3584 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 3692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:36,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 505 Invalid, 3692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3584 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 13:31:36,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9684 states. [2021-11-19 13:31:36,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9684 to 5044. [2021-11-19 13:31:36,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5044 states, 4972 states have (on average 2.0158889782783587) internal successors, (10023), 5043 states have internal predecessors, (10023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5044 states to 5044 states and 10023 transitions. [2021-11-19 13:31:36,290 INFO L78 Accepts]: Start accepts. Automaton has 5044 states and 10023 transitions. Word has length 24 [2021-11-19 13:31:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:36,290 INFO L470 AbstractCegarLoop]: Abstraction has 5044 states and 10023 transitions. [2021-11-19 13:31:36,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 5044 states and 10023 transitions. [2021-11-19 13:31:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:36,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:36,291 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:36,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-11-19 13:31:36,291 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:36,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:36,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1669387664, now seen corresponding path program 39 times [2021-11-19 13:31:36,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:36,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134849043] [2021-11-19 13:31:36,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:36,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:36,782 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:36,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134849043] [2021-11-19 13:31:36,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134849043] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:36,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:36,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:31:36,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604608943] [2021-11-19 13:31:36,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:36,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:31:36,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:36,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:31:36,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:31:36,783 INFO L87 Difference]: Start difference. First operand 5044 states and 10023 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:40,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:40,297 INFO L93 Difference]: Finished difference Result 5427 states and 10737 transitions. [2021-11-19 13:31:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 13:31:40,297 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:31:40,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:40,304 INFO L225 Difference]: With dead ends: 5427 [2021-11-19 13:31:40,304 INFO L226 Difference]: Without dead ends: 5427 [2021-11-19 13:31:40,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:31:40,304 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 608 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 3024 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 3162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:40,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [608 Valid, 412 Invalid, 3162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 3024 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-19 13:31:40,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5427 states. [2021-11-19 13:31:40,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5427 to 5050. [2021-11-19 13:31:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5050 states, 4978 states have (on average 2.015869827239855) internal successors, (10035), 5049 states have internal predecessors, (10035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5050 states to 5050 states and 10035 transitions. [2021-11-19 13:31:40,378 INFO L78 Accepts]: Start accepts. Automaton has 5050 states and 10035 transitions. Word has length 24 [2021-11-19 13:31:40,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:40,378 INFO L470 AbstractCegarLoop]: Abstraction has 5050 states and 10035 transitions. [2021-11-19 13:31:40,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:31:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 5050 states and 10035 transitions. [2021-11-19 13:31:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:40,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:40,379 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:40,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-11-19 13:31:40,380 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:40,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:40,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1888947345, now seen corresponding path program 2 times [2021-11-19 13:31:40,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:40,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96912376] [2021-11-19 13:31:40,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:40,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:40,533 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:40,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96912376] [2021-11-19 13:31:40,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96912376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:40,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:40,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:31:40,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345291246] [2021-11-19 13:31:40,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:40,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:31:40,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:40,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:31:40,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:31:40,534 INFO L87 Difference]: Start difference. First operand 5050 states and 10035 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) [2021-11-19 13:31:42,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:42,702 INFO L93 Difference]: Finished difference Result 8639 states and 17133 transitions. [2021-11-19 13:31:42,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:31:42,702 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 [2021-11-19 13:31:42,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:42,714 INFO L225 Difference]: With dead ends: 8639 [2021-11-19 13:31:42,714 INFO L226 Difference]: Without dead ends: 8639 [2021-11-19 13:31:42,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2021-11-19 13:31:42,714 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 633 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 1843 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:42,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [633 Valid, 496 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1843 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 13:31:42,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8639 states. [2021-11-19 13:31:42,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8639 to 5087. [2021-11-19 13:31:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5087 states, 5015 states have (on average 2.0165503489531407) internal successors, (10113), 5086 states have internal predecessors, (10113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 10113 transitions. [2021-11-19 13:31:42,804 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 10113 transitions. Word has length 24 [2021-11-19 13:31:42,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:42,804 INFO L470 AbstractCegarLoop]: Abstraction has 5087 states and 10113 transitions. [2021-11-19 13:31:42,804 INFO L471 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) [2021-11-19 13:31:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 10113 transitions. [2021-11-19 13:31:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:42,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:42,805 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:42,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-11-19 13:31:42,805 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:42,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:42,805 INFO L85 PathProgramCache]: Analyzing trace with hash 327017498, now seen corresponding path program 71 times [2021-11-19 13:31:42,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:42,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865140687] [2021-11-19 13:31:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:42,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:42,939 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:42,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865140687] [2021-11-19 13:31:42,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865140687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:42,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:42,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:31:42,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937370449] [2021-11-19 13:31:42,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:42,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:31:42,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:42,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:31:42,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:31:42,940 INFO L87 Difference]: Start difference. First operand 5087 states and 10113 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) [2021-11-19 13:31:44,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:44,737 INFO L93 Difference]: Finished difference Result 8496 states and 16841 transitions. [2021-11-19 13:31:44,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:31:44,738 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 [2021-11-19 13:31:44,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:44,749 INFO L225 Difference]: With dead ends: 8496 [2021-11-19 13:31:44,749 INFO L226 Difference]: Without dead ends: 8496 [2021-11-19 13:31:44,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2021-11-19 13:31:44,749 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 549 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 1655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:44,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [549 Valid, 480 Invalid, 1655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 13:31:44,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8496 states. [2021-11-19 13:31:44,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8496 to 5066. [2021-11-19 13:31:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5066 states, 4994 states have (on average 2.015818982779335) internal successors, (10067), 5065 states have internal predecessors, (10067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5066 states to 5066 states and 10067 transitions. [2021-11-19 13:31:44,834 INFO L78 Accepts]: Start accepts. Automaton has 5066 states and 10067 transitions. Word has length 24 [2021-11-19 13:31:44,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:44,834 INFO L470 AbstractCegarLoop]: Abstraction has 5066 states and 10067 transitions. [2021-11-19 13:31:44,834 INFO L471 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) [2021-11-19 13:31:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 5066 states and 10067 transitions. [2021-11-19 13:31:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:44,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:44,835 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:44,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-11-19 13:31:44,835 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:44,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:44,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1005692329, now seen corresponding path program 3 times [2021-11-19 13:31:44,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:44,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971928029] [2021-11-19 13:31:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:44,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:44,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:44,983 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:44,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971928029] [2021-11-19 13:31:44,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971928029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:44,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:44,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:31:44,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306923305] [2021-11-19 13:31:44,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:44,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:31:44,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:44,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:31:44,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:31:44,985 INFO L87 Difference]: Start difference. First operand 5066 states and 10067 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) [2021-11-19 13:31:47,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:47,202 INFO L93 Difference]: Finished difference Result 5512 states and 10959 transitions. [2021-11-19 13:31:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:31:47,203 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 [2021-11-19 13:31:47,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:47,210 INFO L225 Difference]: With dead ends: 5512 [2021-11-19 13:31:47,210 INFO L226 Difference]: Without dead ends: 5512 [2021-11-19 13:31:47,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2021-11-19 13:31:47,211 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 448 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 2135 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 2135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:47,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [448 Valid, 352 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 2135 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 13:31:47,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2021-11-19 13:31:47,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 5061. [2021-11-19 13:31:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5061 states, 4989 states have (on average 2.015834836640609) internal successors, (10057), 5060 states have internal predecessors, (10057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5061 states to 5061 states and 10057 transitions. [2021-11-19 13:31:47,286 INFO L78 Accepts]: Start accepts. Automaton has 5061 states and 10057 transitions. Word has length 24 [2021-11-19 13:31:47,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:47,286 INFO L470 AbstractCegarLoop]: Abstraction has 5061 states and 10057 transitions. [2021-11-19 13:31:47,286 INFO L471 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) [2021-11-19 13:31:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 5061 states and 10057 transitions. [2021-11-19 13:31:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:47,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:47,287 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:47,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-11-19 13:31:47,287 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:47,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:47,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1959999373, now seen corresponding path program 4 times [2021-11-19 13:31:47,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:47,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333910642] [2021-11-19 13:31:47,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:47,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:47,461 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:47,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333910642] [2021-11-19 13:31:47,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333910642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:47,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:47,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:31:47,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292353007] [2021-11-19 13:31:47,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:47,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:31:47,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:47,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:31:47,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:31:47,462 INFO L87 Difference]: Start difference. First operand 5061 states and 10057 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) [2021-11-19 13:31:49,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:49,423 INFO L93 Difference]: Finished difference Result 5462 states and 10859 transitions. [2021-11-19 13:31:49,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:31:49,423 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 [2021-11-19 13:31:49,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:49,429 INFO L225 Difference]: With dead ends: 5462 [2021-11-19 13:31:49,429 INFO L226 Difference]: Without dead ends: 5462 [2021-11-19 13:31:49,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2021-11-19 13:31:49,430 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 465 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 1858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:49,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 335 Invalid, 1858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1719 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 13:31:49,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5462 states. [2021-11-19 13:31:49,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5462 to 5056. [2021-11-19 13:31:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5056 states, 4984 states have (on average 2.0158507223113964) internal successors, (10047), 5055 states have internal predecessors, (10047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:49,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5056 states to 5056 states and 10047 transitions. [2021-11-19 13:31:49,498 INFO L78 Accepts]: Start accepts. Automaton has 5056 states and 10047 transitions. Word has length 24 [2021-11-19 13:31:49,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:49,498 INFO L470 AbstractCegarLoop]: Abstraction has 5056 states and 10047 transitions. [2021-11-19 13:31:49,498 INFO L471 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) [2021-11-19 13:31:49,498 INFO L276 IsEmpty]: Start isEmpty. Operand 5056 states and 10047 transitions. [2021-11-19 13:31:49,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:49,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:49,499 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:49,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-11-19 13:31:49,499 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:49,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:49,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1779465913, now seen corresponding path program 5 times [2021-11-19 13:31:49,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:49,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929729588] [2021-11-19 13:31:49,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:49,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:49,657 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:49,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929729588] [2021-11-19 13:31:49,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929729588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:49,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:49,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:31:49,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925102820] [2021-11-19 13:31:49,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:49,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:31:49,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:49,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:31:49,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:31:49,658 INFO L87 Difference]: Start difference. First operand 5056 states and 10047 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) [2021-11-19 13:31:52,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:52,044 INFO L93 Difference]: Finished difference Result 5368 states and 10671 transitions. [2021-11-19 13:31:52,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:31:52,045 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 [2021-11-19 13:31:52,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:52,052 INFO L225 Difference]: With dead ends: 5368 [2021-11-19 13:31:52,052 INFO L226 Difference]: Without dead ends: 5368 [2021-11-19 13:31:52,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2021-11-19 13:31:52,052 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 483 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 2230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:52,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 348 Invalid, 2230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2083 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 13:31:52,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5368 states. [2021-11-19 13:31:52,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5368 to 5050. [2021-11-19 13:31:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5050 states, 4978 states have (on average 2.015869827239855) internal successors, (10035), 5049 states have internal predecessors, (10035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5050 states to 5050 states and 10035 transitions. [2021-11-19 13:31:52,124 INFO L78 Accepts]: Start accepts. Automaton has 5050 states and 10035 transitions. Word has length 24 [2021-11-19 13:31:52,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:52,124 INFO L470 AbstractCegarLoop]: Abstraction has 5050 states and 10035 transitions. [2021-11-19 13:31:52,125 INFO L471 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) [2021-11-19 13:31:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 5050 states and 10035 transitions. [2021-11-19 13:31:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:52,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:52,125 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:52,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-11-19 13:31:52,126 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:52,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:52,126 INFO L85 PathProgramCache]: Analyzing trace with hash -288938193, now seen corresponding path program 6 times [2021-11-19 13:31:52,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:52,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138689273] [2021-11-19 13:31:52,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:52,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:52,282 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:52,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138689273] [2021-11-19 13:31:52,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138689273] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:52,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:52,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:31:52,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130696247] [2021-11-19 13:31:52,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:52,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:31:52,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:52,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:31:52,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:31:52,283 INFO L87 Difference]: Start difference. First operand 5050 states and 10035 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) [2021-11-19 13:31:54,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:54,679 INFO L93 Difference]: Finished difference Result 11565 states and 22904 transitions. [2021-11-19 13:31:54,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 13:31:54,679 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 [2021-11-19 13:31:54,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:54,696 INFO L225 Difference]: With dead ends: 11565 [2021-11-19 13:31:54,696 INFO L226 Difference]: Without dead ends: 11565 [2021-11-19 13:31:54,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:31:54,697 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 626 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 2215 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:54,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [626 Valid, 569 Invalid, 2388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 2215 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 13:31:54,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11565 states. [2021-11-19 13:31:54,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11565 to 4889. [2021-11-19 13:31:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4889 states, 4819 states have (on average 2.0155633948952065) internal successors, (9713), 4888 states have internal predecessors, (9713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:54,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4889 states to 4889 states and 9713 transitions. [2021-11-19 13:31:54,803 INFO L78 Accepts]: Start accepts. Automaton has 4889 states and 9713 transitions. Word has length 24 [2021-11-19 13:31:54,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:54,803 INFO L470 AbstractCegarLoop]: Abstraction has 4889 states and 9713 transitions. [2021-11-19 13:31:54,803 INFO L471 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) [2021-11-19 13:31:54,803 INFO L276 IsEmpty]: Start isEmpty. Operand 4889 states and 9713 transitions. [2021-11-19 13:31:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:54,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:54,804 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:54,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-11-19 13:31:54,805 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:54,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:54,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1927026650, now seen corresponding path program 72 times [2021-11-19 13:31:54,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:54,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783631812] [2021-11-19 13:31:54,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:54,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:54,946 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:54,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783631812] [2021-11-19 13:31:54,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783631812] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:54,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:54,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:31:54,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194809368] [2021-11-19 13:31:54,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:54,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:31:54,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:54,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:31:54,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:31:54,948 INFO L87 Difference]: Start difference. First operand 4889 states and 9713 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) [2021-11-19 13:31:57,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:57,129 INFO L93 Difference]: Finished difference Result 11360 states and 22487 transitions. [2021-11-19 13:31:57,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:31:57,129 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 [2021-11-19 13:31:57,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:57,146 INFO L225 Difference]: With dead ends: 11360 [2021-11-19 13:31:57,146 INFO L226 Difference]: Without dead ends: 11360 [2021-11-19 13:31:57,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2021-11-19 13:31:57,147 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 558 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:57,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [558 Valid, 543 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 13:31:57,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11360 states. [2021-11-19 13:31:57,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11360 to 4837. [2021-11-19 13:31:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4837 states, 4767 states have (on average 2.0146842878120412) internal successors, (9604), 4836 states have internal predecessors, (9604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 4837 states and 9604 transitions. [2021-11-19 13:31:57,248 INFO L78 Accepts]: Start accepts. Automaton has 4837 states and 9604 transitions. Word has length 24 [2021-11-19 13:31:57,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:57,249 INFO L470 AbstractCegarLoop]: Abstraction has 4837 states and 9604 transitions. [2021-11-19 13:31:57,249 INFO L471 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) [2021-11-19 13:31:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 9604 transitions. [2021-11-19 13:31:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:57,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:57,250 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:57,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-11-19 13:31:57,250 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:57,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:57,250 INFO L85 PathProgramCache]: Analyzing trace with hash -639487958, now seen corresponding path program 73 times [2021-11-19 13:31:57,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:57,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634844501] [2021-11-19 13:31:57,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:57,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:57,384 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:57,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634844501] [2021-11-19 13:31:57,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634844501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:57,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:57,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:31:57,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17288056] [2021-11-19 13:31:57,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:57,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:31:57,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:31:57,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:31:57,385 INFO L87 Difference]: Start difference. First operand 4837 states and 9604 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) [2021-11-19 13:31:59,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:59,157 INFO L93 Difference]: Finished difference Result 8234 states and 16312 transitions. [2021-11-19 13:31:59,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:31:59,157 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 [2021-11-19 13:31:59,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:59,168 INFO L225 Difference]: With dead ends: 8234 [2021-11-19 13:31:59,168 INFO L226 Difference]: Without dead ends: 8234 [2021-11-19 13:31:59,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2021-11-19 13:31:59,169 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 405 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:59,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 364 Invalid, 1866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 13:31:59,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8234 states. [2021-11-19 13:31:59,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8234 to 4830. [2021-11-19 13:31:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4830 states, 4760 states have (on average 2.014705882352941) internal successors, (9590), 4829 states have internal predecessors, (9590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:31:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4830 states and 9590 transitions. [2021-11-19 13:31:59,278 INFO L78 Accepts]: Start accepts. Automaton has 4830 states and 9590 transitions. Word has length 24 [2021-11-19 13:31:59,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:59,278 INFO L470 AbstractCegarLoop]: Abstraction has 4830 states and 9590 transitions. [2021-11-19 13:31:59,278 INFO L471 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) [2021-11-19 13:31:59,278 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 9590 transitions. [2021-11-19 13:31:59,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:31:59,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:59,279 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:31:59,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-11-19 13:31:59,279 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:31:59,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:59,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1689568900, now seen corresponding path program 74 times [2021-11-19 13:31:59,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:31:59,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511602624] [2021-11-19 13:31:59,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:59,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:31:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:31:59,430 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:31:59,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511602624] [2021-11-19 13:31:59,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511602624] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:59,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:59,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:31:59,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209661] [2021-11-19 13:31:59,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:59,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:31:59,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:31:59,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:31:59,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:31:59,431 INFO L87 Difference]: Start difference. First operand 4830 states and 9590 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) [2021-11-19 13:32:01,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:01,357 INFO L93 Difference]: Finished difference Result 8220 states and 16284 transitions. [2021-11-19 13:32:01,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:32:01,357 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 [2021-11-19 13:32:01,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:01,368 INFO L225 Difference]: With dead ends: 8220 [2021-11-19 13:32:01,368 INFO L226 Difference]: Without dead ends: 8220 [2021-11-19 13:32:01,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2021-11-19 13:32:01,369 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 443 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 1811 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:01,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [443 Valid, 365 Invalid, 1841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1811 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 13:32:01,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8220 states. [2021-11-19 13:32:01,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8220 to 4828. [2021-11-19 13:32:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4828 states, 4758 states have (on average 2.0147120638923917) internal successors, (9586), 4827 states have internal predecessors, (9586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:32:01,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4828 states to 4828 states and 9586 transitions. [2021-11-19 13:32:01,449 INFO L78 Accepts]: Start accepts. Automaton has 4828 states and 9586 transitions. Word has length 24 [2021-11-19 13:32:01,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:01,450 INFO L470 AbstractCegarLoop]: Abstraction has 4828 states and 9586 transitions. [2021-11-19 13:32:01,450 INFO L471 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) [2021-11-19 13:32:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4828 states and 9586 transitions. [2021-11-19 13:32:01,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:32:01,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:01,451 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:32:01,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-11-19 13:32:01,451 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:32:01,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:01,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2049742090, now seen corresponding path program 75 times [2021-11-19 13:32:01,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:32:01,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931234171] [2021-11-19 13:32:01,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:01,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:32:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:32:01,595 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:32:01,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931234171] [2021-11-19 13:32:01,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931234171] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:01,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:01,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 13:32:01,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181441889] [2021-11-19 13:32:01,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:01,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:32:01,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:32:01,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:32:01,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:32:01,596 INFO L87 Difference]: Start difference. First operand 4828 states and 9586 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) [2021-11-19 13:32:03,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:03,663 INFO L93 Difference]: Finished difference Result 8214 states and 16272 transitions. [2021-11-19 13:32:03,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:32:03,664 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 [2021-11-19 13:32:03,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:03,674 INFO L225 Difference]: With dead ends: 8214 [2021-11-19 13:32:03,674 INFO L226 Difference]: Without dead ends: 8214 [2021-11-19 13:32:03,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:32:03,675 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 420 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 2253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:03,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [420 Valid, 377 Invalid, 2253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 13:32:03,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8214 states. [2021-11-19 13:32:03,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8214 to 4798. [2021-11-19 13:32:03,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4798 states, 4728 states have (on average 2.0148054145516077) internal successors, (9526), 4797 states have internal predecessors, (9526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:32:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 9526 transitions. [2021-11-19 13:32:03,756 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 9526 transitions. Word has length 24 [2021-11-19 13:32:03,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:03,756 INFO L470 AbstractCegarLoop]: Abstraction has 4798 states and 9526 transitions. [2021-11-19 13:32:03,756 INFO L471 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) [2021-11-19 13:32:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 9526 transitions. [2021-11-19 13:32:03,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:32:03,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:03,757 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:32:03,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-11-19 13:32:03,757 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:32:03,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:03,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1347467148, now seen corresponding path program 40 times [2021-11-19 13:32:03,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:32:03,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731955379] [2021-11-19 13:32:03,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:03,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:32:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:32:04,196 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:32:04,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731955379] [2021-11-19 13:32:04,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731955379] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:04,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:04,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:32:04,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136959425] [2021-11-19 13:32:04,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:04,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:32:04,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:32:04,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:32:04,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:32:04,197 INFO L87 Difference]: Start difference. First operand 4798 states and 9526 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:07,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:07,243 INFO L93 Difference]: Finished difference Result 5203 states and 10284 transitions. [2021-11-19 13:32:07,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 13:32:07,243 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:32:07,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:07,249 INFO L225 Difference]: With dead ends: 5203 [2021-11-19 13:32:07,249 INFO L226 Difference]: Without dead ends: 5203 [2021-11-19 13:32:07,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=230, Invalid=526, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:32:07,250 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 584 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 3025 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 3141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:07,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [584 Valid, 406 Invalid, 3141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 3025 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:32:07,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5203 states. [2021-11-19 13:32:07,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5203 to 4808. [2021-11-19 13:32:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4808 states, 4738 states have (on average 2.0147741663149006) internal successors, (9546), 4807 states have internal predecessors, (9546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:32:07,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4808 states to 4808 states and 9546 transitions. [2021-11-19 13:32:07,311 INFO L78 Accepts]: Start accepts. Automaton has 4808 states and 9546 transitions. Word has length 24 [2021-11-19 13:32:07,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:07,311 INFO L470 AbstractCegarLoop]: Abstraction has 4808 states and 9546 transitions. [2021-11-19 13:32:07,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 4808 states and 9546 transitions. [2021-11-19 13:32:07,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:32:07,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:07,312 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:32:07,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-11-19 13:32:07,312 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:32:07,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:07,313 INFO L85 PathProgramCache]: Analyzing trace with hash 525794372, now seen corresponding path program 41 times [2021-11-19 13:32:07,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:32:07,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053296055] [2021-11-19 13:32:07,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:07,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:32:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:32:07,675 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:32:07,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053296055] [2021-11-19 13:32:07,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053296055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:07,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:07,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:32:07,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607592328] [2021-11-19 13:32:07,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:07,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:32:07,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:32:07,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:32:07,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:32:07,676 INFO L87 Difference]: Start difference. First operand 4808 states and 9546 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:11,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:11,508 INFO L93 Difference]: Finished difference Result 5205 states and 10287 transitions. [2021-11-19 13:32:11,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 13:32:11,509 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:32:11,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:11,515 INFO L225 Difference]: With dead ends: 5205 [2021-11-19 13:32:11,515 INFO L226 Difference]: Without dead ends: 5205 [2021-11-19 13:32:11,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=286, Invalid=644, Unknown=0, NotChecked=0, Total=930 [2021-11-19 13:32:11,515 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 549 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 3569 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 3667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 3569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:11,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [549 Valid, 431 Invalid, 3667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 3569 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 13:32:11,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5205 states. [2021-11-19 13:32:11,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5205 to 4809. [2021-11-19 13:32:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4809 states, 4739 states have (on average 2.014771048744461) internal successors, (9548), 4808 states have internal predecessors, (9548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:32:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4809 states to 4809 states and 9548 transitions. [2021-11-19 13:32:11,578 INFO L78 Accepts]: Start accepts. Automaton has 4809 states and 9548 transitions. Word has length 24 [2021-11-19 13:32:11,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:11,579 INFO L470 AbstractCegarLoop]: Abstraction has 4809 states and 9548 transitions. [2021-11-19 13:32:11,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 4809 states and 9548 transitions. [2021-11-19 13:32:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:32:11,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:11,579 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:32:11,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-11-19 13:32:11,580 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:32:11,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:11,580 INFO L85 PathProgramCache]: Analyzing trace with hash 531473882, now seen corresponding path program 42 times [2021-11-19 13:32:11,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:32:11,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798511577] [2021-11-19 13:32:11,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:11,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:32:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:32:12,002 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:32:12,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798511577] [2021-11-19 13:32:12,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798511577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:12,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:12,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:32:12,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936542532] [2021-11-19 13:32:12,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:12,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:32:12,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:32:12,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:32:12,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:32:12,003 INFO L87 Difference]: Start difference. First operand 4809 states and 9548 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:15,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:15,871 INFO L93 Difference]: Finished difference Result 5216 states and 10309 transitions. [2021-11-19 13:32:15,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 13:32:15,872 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:32:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:15,878 INFO L225 Difference]: With dead ends: 5216 [2021-11-19 13:32:15,878 INFO L226 Difference]: Without dead ends: 5216 [2021-11-19 13:32:15,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=326, Invalid=730, Unknown=0, NotChecked=0, Total=1056 [2021-11-19 13:32:15,878 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 551 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 3549 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 3650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:15,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [551 Valid, 427 Invalid, 3650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3549 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 13:32:15,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5216 states. [2021-11-19 13:32:15,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5216 to 4796. [2021-11-19 13:32:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4796 states, 4726 states have (on average 2.0148116800677105) internal successors, (9522), 4795 states have internal predecessors, (9522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:32:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4796 states to 4796 states and 9522 transitions. [2021-11-19 13:32:15,941 INFO L78 Accepts]: Start accepts. Automaton has 4796 states and 9522 transitions. Word has length 24 [2021-11-19 13:32:15,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:15,942 INFO L470 AbstractCegarLoop]: Abstraction has 4796 states and 9522 transitions. [2021-11-19 13:32:15,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 4796 states and 9522 transitions. [2021-11-19 13:32:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:32:15,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:15,943 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:32:15,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-11-19 13:32:15,943 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:32:15,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1986719502, now seen corresponding path program 43 times [2021-11-19 13:32:15,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:32:15,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503577846] [2021-11-19 13:32:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:15,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:32:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:16,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:32:16,407 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:32:16,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503577846] [2021-11-19 13:32:16,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503577846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:16,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:16,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:32:16,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96415402] [2021-11-19 13:32:16,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:16,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:32:16,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:32:16,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:32:16,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:32:16,409 INFO L87 Difference]: Start difference. First operand 4796 states and 9522 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:19,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:19,075 INFO L93 Difference]: Finished difference Result 5214 states and 10307 transitions. [2021-11-19 13:32:19,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 13:32:19,075 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:32:19,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:19,081 INFO L225 Difference]: With dead ends: 5214 [2021-11-19 13:32:19,081 INFO L226 Difference]: Without dead ends: 5214 [2021-11-19 13:32:19,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=223, Invalid=533, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:32:19,082 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 576 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:19,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [576 Valid, 377 Invalid, 2456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 2302 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 13:32:19,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2021-11-19 13:32:19,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 4820. [2021-11-19 13:32:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4820 states, 4750 states have (on average 2.014736842105263) internal successors, (9570), 4819 states have internal predecessors, (9570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:32:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4820 states to 4820 states and 9570 transitions. [2021-11-19 13:32:19,147 INFO L78 Accepts]: Start accepts. Automaton has 4820 states and 9570 transitions. Word has length 24 [2021-11-19 13:32:19,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:19,147 INFO L470 AbstractCegarLoop]: Abstraction has 4820 states and 9570 transitions. [2021-11-19 13:32:19,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 4820 states and 9570 transitions. [2021-11-19 13:32:19,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:32:19,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:19,148 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:32:19,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-11-19 13:32:19,149 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:32:19,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:19,150 INFO L85 PathProgramCache]: Analyzing trace with hash -434986274, now seen corresponding path program 44 times [2021-11-19 13:32:19,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:32:19,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534281382] [2021-11-19 13:32:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:19,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:32:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:19,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:32:19,593 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:32:19,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534281382] [2021-11-19 13:32:19,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534281382] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:19,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:19,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:32:19,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910902981] [2021-11-19 13:32:19,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:19,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:32:19,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:32:19,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:32:19,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:32:19,594 INFO L87 Difference]: Start difference. First operand 4820 states and 9570 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:24,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:24,054 INFO L93 Difference]: Finished difference Result 5227 states and 10331 transitions. [2021-11-19 13:32:24,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 13:32:24,055 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:32:24,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:24,061 INFO L225 Difference]: With dead ends: 5227 [2021-11-19 13:32:24,061 INFO L226 Difference]: Without dead ends: 5227 [2021-11-19 13:32:24,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=295, Invalid=697, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:32:24,061 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 556 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 3994 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 4102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:24,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [556 Valid, 438 Invalid, 4102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3994 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-19 13:32:24,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5227 states. [2021-11-19 13:32:24,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5227 to 4821. [2021-11-19 13:32:24,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4821 states, 4751 states have (on average 2.0147337402652075) internal successors, (9572), 4820 states have internal predecessors, (9572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:32:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4821 states and 9572 transitions. [2021-11-19 13:32:24,144 INFO L78 Accepts]: Start accepts. Automaton has 4821 states and 9572 transitions. Word has length 24 [2021-11-19 13:32:24,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:24,144 INFO L470 AbstractCegarLoop]: Abstraction has 4821 states and 9572 transitions. [2021-11-19 13:32:24,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 4821 states and 9572 transitions. [2021-11-19 13:32:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:32:24,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:24,145 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:32:24,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-11-19 13:32:24,145 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:32:24,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:24,145 INFO L85 PathProgramCache]: Analyzing trace with hash -429306764, now seen corresponding path program 45 times [2021-11-19 13:32:24,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:32:24,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968139076] [2021-11-19 13:32:24,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:24,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:32:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:32:24,536 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:32:24,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968139076] [2021-11-19 13:32:24,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968139076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:24,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:24,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:32:24,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642879557] [2021-11-19 13:32:24,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:24,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:32:24,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:32:24,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:32:24,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:32:24,537 INFO L87 Difference]: Start difference. First operand 4821 states and 9572 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:28,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:28,683 INFO L93 Difference]: Finished difference Result 5239 states and 10355 transitions. [2021-11-19 13:32:28,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:32:28,683 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-19 13:32:28,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:28,689 INFO L225 Difference]: With dead ends: 5239 [2021-11-19 13:32:28,689 INFO L226 Difference]: Without dead ends: 5239 [2021-11-19 13:32:28,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=335, Invalid=787, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 13:32:28,689 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 561 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 3746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:28,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 427 Invalid, 3746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-19 13:32:28,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5239 states. [2021-11-19 13:32:28,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5239 to 4806. [2021-11-19 13:32:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4806 states, 4736 states have (on average 2.0147804054054053) internal successors, (9542), 4805 states have internal predecessors, (9542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:32:28,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 9542 transitions. [2021-11-19 13:32:28,750 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 9542 transitions. Word has length 24 [2021-11-19 13:32:28,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:28,750 INFO L470 AbstractCegarLoop]: Abstraction has 4806 states and 9542 transitions. [2021-11-19 13:32:28,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-19 13:32:28,750 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 9542 transitions. [2021-11-19 13:32:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:32:28,751 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:28,751 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:32:28,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-11-19 13:32:28,751 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-19 13:32:28,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:28,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1141035122, now seen corresponding path program 46 times [2021-11-19 13:32:28,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:32:28,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662422567] [2021-11-19 13:32:28,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:28,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:32:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:32:29,082 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:32:29,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662422567] [2021-11-19 13:32:29,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662422567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:29,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:29,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 13:32:29,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252566402] [2021-11-19 13:32:29,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:29,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 13:32:29,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:32:29,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 13:32:29,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:32:29,083 INFO L87 Difference]: Start difference. First operand 4806 states and 9542 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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)