./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a172ae6dd3a5207c1a2580ce55cc24497fcf78586be62b7482a56f18aa6beb2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:07:34,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:07:34,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:07:34,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:07:34,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:07:34,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:07:34,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:07:34,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:07:34,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:07:34,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:07:34,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:07:34,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:07:34,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:07:34,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:07:34,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:07:34,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:07:34,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:07:34,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:07:34,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:07:34,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:07:34,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:07:34,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:07:34,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:07:34,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:07:34,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:07:34,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:07:34,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:07:34,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:07:34,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:07:34,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:07:34,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:07:34,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:07:34,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:07:34,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:07:34,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:07:34,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:07:34,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:07:34,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:07:34,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:07:34,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:07:34,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:07:34,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-26 01:07:34,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:07:34,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:07:34,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:07:34,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:07:34,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:07:34,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:07:34,420 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:07:34,420 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:07:34,421 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:07:34,421 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:07:34,422 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:07:34,423 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:07:34,423 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:07:34,423 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:07:34,423 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:07:34,424 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:07:34,424 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:07:34,424 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:07:34,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:07:34,425 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:07:34,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:07:34,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:07:34,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:07:34,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:07:34,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:07:34,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:07:34,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:07:34,428 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 01:07:34,428 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:07:34,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:07:34,429 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:07:34,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:07:34,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:07:34,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:07:34,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:07:34,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:07:34,430 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:07:34,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:07:34,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:07:34,431 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:07:34,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:07:34,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:07:34,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:07:34,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a172ae6dd3a5207c1a2580ce55cc24497fcf78586be62b7482a56f18aa6beb2 [2022-11-26 01:07:34,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:07:34,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:07:34,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:07:34,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:07:34,844 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:07:34,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2022-11-26 01:07:38,521 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:07:38,784 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:07:38,784 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2022-11-26 01:07:38,793 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/data/291e7d2c5/de400c045ed24316a4a4eada81971925/FLAG4d8e8cd01 [2022-11-26 01:07:38,810 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/data/291e7d2c5/de400c045ed24316a4a4eada81971925 [2022-11-26 01:07:38,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:07:38,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:07:38,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:07:38,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:07:38,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:07:38,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:07:38" (1/1) ... [2022-11-26 01:07:38,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204736cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:38, skipping insertion in model container [2022-11-26 01:07:38,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:07:38" (1/1) ... [2022-11-26 01:07:38,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:07:38,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:07:39,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/sv-benchmarks/c/weaver/array-eq-symm.wvr.c[2251,2264] [2022-11-26 01:07:39,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:07:39,153 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:07:39,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/sv-benchmarks/c/weaver/array-eq-symm.wvr.c[2251,2264] [2022-11-26 01:07:39,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:07:39,208 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:07:39,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39 WrapperNode [2022-11-26 01:07:39,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:07:39,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:07:39,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:07:39,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:07:39,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,265 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 160 [2022-11-26 01:07:39,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:07:39,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:07:39,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:07:39,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:07:39,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:07:39,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:07:39,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:07:39,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:07:39,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:07:39,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:39,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:07:39,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:07:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:07:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-26 01:07:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-26 01:07:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-26 01:07:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-26 01:07:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:07:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:07:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:07:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:07:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:07:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:07:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:07:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:07:39,460 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 01:07:39,577 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:07:39,579 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:07:40,341 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:07:40,368 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:07:40,368 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-26 01:07:40,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:40 BoogieIcfgContainer [2022-11-26 01:07:40,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:07:40,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:07:40,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:07:40,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:07:40,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:07:38" (1/3) ... [2022-11-26 01:07:40,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3286e0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:07:40, skipping insertion in model container [2022-11-26 01:07:40,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (2/3) ... [2022-11-26 01:07:40,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3286e0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:07:40, skipping insertion in model container [2022-11-26 01:07:40,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:40" (3/3) ... [2022-11-26 01:07:40,399 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-symm.wvr.c [2022-11-26 01:07:40,410 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 01:07:40,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:07:40,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-26 01:07:40,430 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 01:07:40,613 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-26 01:07:40,675 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 01:07:40,703 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 333 transitions, 682 flow [2022-11-26 01:07:40,715 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 333 transitions, 682 flow [2022-11-26 01:07:40,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 333 transitions, 682 flow [2022-11-26 01:07:40,985 INFO L130 PetriNetUnfolder]: 17/331 cut-off events. [2022-11-26 01:07:40,985 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-26 01:07:41,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 331 events. 17/331 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 592 event pairs, 0 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 223. Up to 3 conditions per place. [2022-11-26 01:07:41,016 INFO L119 LiptonReduction]: Number of co-enabled transitions 13068 [2022-11-26 01:07:54,748 INFO L134 LiptonReduction]: Checked pairs total: 84525 [2022-11-26 01:07:54,750 INFO L136 LiptonReduction]: Total number of compositions: 428 [2022-11-26 01:07:54,764 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 97 transitions, 210 flow [2022-11-26 01:07:55,128 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5743 states, 5383 states have (on average 3.2275682704811444) internal successors, (17374), 5742 states have internal predecessors, (17374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:55,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:07:55,169 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4296d41a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:07:55,169 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-11-26 01:07:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 5743 states, 5383 states have (on average 3.2275682704811444) internal successors, (17374), 5742 states have internal predecessors, (17374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:55,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-26 01:07:55,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:55,196 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-26 01:07:55,197 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:07:55,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:55,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2022-11-26 01:07:55,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:55,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101662274] [2022-11-26 01:07:55,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:55,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:07:55,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:55,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101662274] [2022-11-26 01:07:55,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101662274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:55,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:55,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-26 01:07:55,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232667782] [2022-11-26 01:07:55,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:55,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:07:55,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:55,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:07:55,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:07:55,439 INFO L87 Difference]: Start difference. First operand has 5743 states, 5383 states have (on average 3.2275682704811444) internal successors, (17374), 5742 states have internal predecessors, (17374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:55,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:55,652 INFO L93 Difference]: Finished difference Result 2423 states and 7303 transitions. [2022-11-26 01:07:55,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:07:55,655 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-26 01:07:55,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:55,704 INFO L225 Difference]: With dead ends: 2423 [2022-11-26 01:07:55,705 INFO L226 Difference]: Without dead ends: 2420 [2022-11-26 01:07:55,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:07:55,711 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:55,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:07:55,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2420 states. [2022-11-26 01:07:55,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2420 to 2420. [2022-11-26 01:07:55,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2420 states, 2400 states have (on average 3.04) internal successors, (7296), 2419 states have internal predecessors, (7296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 7296 transitions. [2022-11-26 01:07:55,917 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 7296 transitions. Word has length 1 [2022-11-26 01:07:55,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:55,919 INFO L495 AbstractCegarLoop]: Abstraction has 2420 states and 7296 transitions. [2022-11-26 01:07:55,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 7296 transitions. [2022-11-26 01:07:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 01:07:55,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:55,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:55,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:07:55,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:07:55,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:55,930 INFO L85 PathProgramCache]: Analyzing trace with hash -333671101, now seen corresponding path program 1 times [2022-11-26 01:07:55,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:55,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944638577] [2022-11-26 01:07:55,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:55,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:07:56,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:56,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944638577] [2022-11-26 01:07:56,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944638577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:56,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:56,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:56,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790462754] [2022-11-26 01:07:56,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:56,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:07:56,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:56,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:07:56,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:56,686 INFO L87 Difference]: Start difference. First operand 2420 states and 7296 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:57,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:57,348 INFO L93 Difference]: Finished difference Result 2097 states and 6255 transitions. [2022-11-26 01:07:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:07:57,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-26 01:07:57,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:57,366 INFO L225 Difference]: With dead ends: 2097 [2022-11-26 01:07:57,366 INFO L226 Difference]: Without dead ends: 2097 [2022-11-26 01:07:57,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:57,368 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 66 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:57,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 14 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 01:07:57,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2022-11-26 01:07:57,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2097. [2022-11-26 01:07:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2097 states, 2086 states have (on average 2.99856184084372) internal successors, (6255), 2096 states have internal predecessors, (6255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 6255 transitions. [2022-11-26 01:07:57,460 INFO L78 Accepts]: Start accepts. Automaton has 2097 states and 6255 transitions. Word has length 10 [2022-11-26 01:07:57,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:57,460 INFO L495 AbstractCegarLoop]: Abstraction has 2097 states and 6255 transitions. [2022-11-26 01:07:57,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 6255 transitions. [2022-11-26 01:07:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:07:57,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:57,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:57,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:07:57,464 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:07:57,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:57,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1192715363, now seen corresponding path program 1 times [2022-11-26 01:07:57,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:57,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294872324] [2022-11-26 01:07:57,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:57,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:57,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:07:57,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:57,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294872324] [2022-11-26 01:07:57,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294872324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:57,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:57,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:07:57,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139951361] [2022-11-26 01:07:57,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:57,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:07:57,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:57,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:07:57,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:57,546 INFO L87 Difference]: Start difference. First operand 2097 states and 6255 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:57,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:57,698 INFO L93 Difference]: Finished difference Result 2201 states and 6560 transitions. [2022-11-26 01:07:57,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:07:57,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:07:57,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:57,715 INFO L225 Difference]: With dead ends: 2201 [2022-11-26 01:07:57,715 INFO L226 Difference]: Without dead ends: 2201 [2022-11-26 01:07:57,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:57,720 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 26 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:57,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 54 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:07:57,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2022-11-26 01:07:57,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 2201. [2022-11-26 01:07:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2201 states, 2190 states have (on average 2.9954337899543377) internal successors, (6560), 2200 states have internal predecessors, (6560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 6560 transitions. [2022-11-26 01:07:57,818 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 6560 transitions. Word has length 12 [2022-11-26 01:07:57,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:57,820 INFO L495 AbstractCegarLoop]: Abstraction has 2201 states and 6560 transitions. [2022-11-26 01:07:57,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:57,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 6560 transitions. [2022-11-26 01:07:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 01:07:57,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:57,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:57,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 01:07:57,831 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:07:57,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:57,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1092681919, now seen corresponding path program 1 times [2022-11-26 01:07:57,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:57,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202705550] [2022-11-26 01:07:57,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:57,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:07:57,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:57,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202705550] [2022-11-26 01:07:57,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202705550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:57,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:57,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:07:57,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101383746] [2022-11-26 01:07:57,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:57,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:07:57,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:57,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:07:57,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:07:57,945 INFO L87 Difference]: Start difference. First operand 2201 states and 6560 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:58,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:58,194 INFO L93 Difference]: Finished difference Result 2737 states and 7927 transitions. [2022-11-26 01:07:58,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:07:58,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 01:07:58,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:58,212 INFO L225 Difference]: With dead ends: 2737 [2022-11-26 01:07:58,212 INFO L226 Difference]: Without dead ends: 2737 [2022-11-26 01:07:58,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:58,214 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 74 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:58,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 50 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:07:58,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2022-11-26 01:07:58,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 2412. [2022-11-26 01:07:58,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 2401 states have (on average 2.988338192419825) internal successors, (7175), 2411 states have internal predecessors, (7175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 7175 transitions. [2022-11-26 01:07:58,300 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 7175 transitions. Word has length 13 [2022-11-26 01:07:58,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:58,300 INFO L495 AbstractCegarLoop]: Abstraction has 2412 states and 7175 transitions. [2022-11-26 01:07:58,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 7175 transitions. [2022-11-26 01:07:58,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 01:07:58,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:58,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:58,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 01:07:58,303 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:07:58,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:58,303 INFO L85 PathProgramCache]: Analyzing trace with hash -657403382, now seen corresponding path program 1 times [2022-11-26 01:07:58,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:58,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198549384] [2022-11-26 01:07:58,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:58,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:58,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:07:58,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:58,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198549384] [2022-11-26 01:07:58,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198549384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:58,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:58,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:07:58,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770671064] [2022-11-26 01:07:58,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:58,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:07:58,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:58,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:07:58,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:58,342 INFO L87 Difference]: Start difference. First operand 2412 states and 7175 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:58,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:58,477 INFO L93 Difference]: Finished difference Result 2551 states and 7573 transitions. [2022-11-26 01:07:58,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:07:58,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 01:07:58,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:58,493 INFO L225 Difference]: With dead ends: 2551 [2022-11-26 01:07:58,493 INFO L226 Difference]: Without dead ends: 2549 [2022-11-26 01:07:58,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:58,495 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 33 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:58,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 60 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:07:58,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2022-11-26 01:07:58,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 2549. [2022-11-26 01:07:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2549 states, 2538 states have (on average 2.982269503546099) internal successors, (7569), 2548 states have internal predecessors, (7569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:58,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2549 states and 7569 transitions. [2022-11-26 01:07:58,580 INFO L78 Accepts]: Start accepts. Automaton has 2549 states and 7569 transitions. Word has length 13 [2022-11-26 01:07:58,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:58,581 INFO L495 AbstractCegarLoop]: Abstraction has 2549 states and 7569 transitions. [2022-11-26 01:07:58,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:58,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 7569 transitions. [2022-11-26 01:07:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 01:07:58,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:58,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:58,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 01:07:58,584 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:07:58,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:58,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1671275239, now seen corresponding path program 1 times [2022-11-26 01:07:58,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:58,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305373869] [2022-11-26 01:07:58,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:58,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:07:58,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:58,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305373869] [2022-11-26 01:07:58,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305373869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:58,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:58,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:58,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061658116] [2022-11-26 01:07:58,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:58,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:07:58,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:58,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:07:58,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:58,931 INFO L87 Difference]: Start difference. First operand 2549 states and 7569 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:59,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:59,360 INFO L93 Difference]: Finished difference Result 2671 states and 7713 transitions. [2022-11-26 01:07:59,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:07:59,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 01:07:59,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:59,376 INFO L225 Difference]: With dead ends: 2671 [2022-11-26 01:07:59,377 INFO L226 Difference]: Without dead ends: 2671 [2022-11-26 01:07:59,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:59,378 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:59,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 15 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:07:59,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2022-11-26 01:07:59,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 2439. [2022-11-26 01:07:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2431 states have (on average 2.981077745783628) internal successors, (7247), 2438 states have internal predecessors, (7247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 7247 transitions. [2022-11-26 01:07:59,462 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 7247 transitions. Word has length 14 [2022-11-26 01:07:59,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:59,463 INFO L495 AbstractCegarLoop]: Abstraction has 2439 states and 7247 transitions. [2022-11-26 01:07:59,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 7247 transitions. [2022-11-26 01:07:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 01:07:59,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:59,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:59,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 01:07:59,465 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:07:59,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:59,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1701100404, now seen corresponding path program 1 times [2022-11-26 01:07:59,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:59,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612113278] [2022-11-26 01:07:59,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:59,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:07:59,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:59,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612113278] [2022-11-26 01:07:59,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612113278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:59,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:59,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:59,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973133319] [2022-11-26 01:07:59,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:59,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:07:59,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:59,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:07:59,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:59,701 INFO L87 Difference]: Start difference. First operand 2439 states and 7247 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:00,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:00,145 INFO L93 Difference]: Finished difference Result 2437 states and 7112 transitions. [2022-11-26 01:08:00,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:08:00,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 01:08:00,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:00,159 INFO L225 Difference]: With dead ends: 2437 [2022-11-26 01:08:00,159 INFO L226 Difference]: Without dead ends: 2437 [2022-11-26 01:08:00,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:08:00,160 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:00,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 16 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:08:00,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2022-11-26 01:08:00,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 2306. [2022-11-26 01:08:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2306 states, 2301 states have (on average 2.983050847457627) internal successors, (6864), 2305 states have internal predecessors, (6864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2306 states and 6864 transitions. [2022-11-26 01:08:00,235 INFO L78 Accepts]: Start accepts. Automaton has 2306 states and 6864 transitions. Word has length 14 [2022-11-26 01:08:00,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:00,235 INFO L495 AbstractCegarLoop]: Abstraction has 2306 states and 6864 transitions. [2022-11-26 01:08:00,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 6864 transitions. [2022-11-26 01:08:00,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 01:08:00,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:00,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:00,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 01:08:00,239 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:08:00,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:00,240 INFO L85 PathProgramCache]: Analyzing trace with hash -8458702, now seen corresponding path program 1 times [2022-11-26 01:08:00,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:08:00,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004288759] [2022-11-26 01:08:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:00,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:08:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:08:00,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:00,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004288759] [2022-11-26 01:08:00,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004288759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:00,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:00,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:08:00,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724188553] [2022-11-26 01:08:00,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:00,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:08:00,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:08:00,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:08:00,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:08:00,499 INFO L87 Difference]: Start difference. First operand 2306 states and 6864 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:00,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:00,786 INFO L93 Difference]: Finished difference Result 2289 states and 6828 transitions. [2022-11-26 01:08:00,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:08:00,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-26 01:08:00,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:00,796 INFO L225 Difference]: With dead ends: 2289 [2022-11-26 01:08:00,796 INFO L226 Difference]: Without dead ends: 2233 [2022-11-26 01:08:00,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:08:00,797 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 29 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:00,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 18 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:08:00,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2022-11-26 01:08:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 2233. [2022-11-26 01:08:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2233 states, 2230 states have (on average 2.957847533632287) internal successors, (6596), 2232 states have internal predecessors, (6596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:00,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 6596 transitions. [2022-11-26 01:08:00,887 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 6596 transitions. Word has length 19 [2022-11-26 01:08:00,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:00,888 INFO L495 AbstractCegarLoop]: Abstraction has 2233 states and 6596 transitions. [2022-11-26 01:08:00,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 6596 transitions. [2022-11-26 01:08:00,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 01:08:00,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:00,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:00,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 01:08:00,892 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:08:00,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:00,893 INFO L85 PathProgramCache]: Analyzing trace with hash -596285606, now seen corresponding path program 1 times [2022-11-26 01:08:00,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:08:00,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811063065] [2022-11-26 01:08:00,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:00,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:08:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:01,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:08:01,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:01,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811063065] [2022-11-26 01:08:01,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811063065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:01,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:01,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:08:01,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847432033] [2022-11-26 01:08:01,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:01,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:08:01,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:08:01,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:08:01,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:08:01,088 INFO L87 Difference]: Start difference. First operand 2233 states and 6596 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:01,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:01,293 INFO L93 Difference]: Finished difference Result 2177 states and 6358 transitions. [2022-11-26 01:08:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:08:01,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-26 01:08:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:01,301 INFO L225 Difference]: With dead ends: 2177 [2022-11-26 01:08:01,301 INFO L226 Difference]: Without dead ends: 2047 [2022-11-26 01:08:01,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:08:01,302 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 46 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:01,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 128 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:08:01,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2022-11-26 01:08:01,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2047. [2022-11-26 01:08:01,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 2044 states have (on average 2.971624266144814) internal successors, (6074), 2046 states have internal predecessors, (6074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 6074 transitions. [2022-11-26 01:08:01,365 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 6074 transitions. Word has length 19 [2022-11-26 01:08:01,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:01,365 INFO L495 AbstractCegarLoop]: Abstraction has 2047 states and 6074 transitions. [2022-11-26 01:08:01,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:01,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 6074 transitions. [2022-11-26 01:08:01,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 01:08:01,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:01,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:01,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 01:08:01,368 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:08:01,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:01,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1906732275, now seen corresponding path program 1 times [2022-11-26 01:08:01,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:08:01,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149021057] [2022-11-26 01:08:01,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:01,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:08:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:08:01,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:01,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149021057] [2022-11-26 01:08:01,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149021057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:01,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:01,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:08:01,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600652102] [2022-11-26 01:08:01,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:01,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:08:01,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:08:01,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:08:01,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:08:01,535 INFO L87 Difference]: Start difference. First operand 2047 states and 6074 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:01,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:01,842 INFO L93 Difference]: Finished difference Result 4781 states and 14050 transitions. [2022-11-26 01:08:01,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:08:01,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-26 01:08:01,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:01,908 INFO L225 Difference]: With dead ends: 4781 [2022-11-26 01:08:01,908 INFO L226 Difference]: Without dead ends: 4733 [2022-11-26 01:08:01,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:08:01,909 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 173 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:01,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 100 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:08:01,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4733 states. [2022-11-26 01:08:01,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4733 to 2325. [2022-11-26 01:08:02,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 2322 states have (on average 2.991386735572782) internal successors, (6946), 2324 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 6946 transitions. [2022-11-26 01:08:02,009 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 6946 transitions. Word has length 20 [2022-11-26 01:08:02,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:02,010 INFO L495 AbstractCegarLoop]: Abstraction has 2325 states and 6946 transitions. [2022-11-26 01:08:02,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:02,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 6946 transitions. [2022-11-26 01:08:02,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 01:08:02,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:02,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:02,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 01:08:02,013 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:08:02,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:02,014 INFO L85 PathProgramCache]: Analyzing trace with hash 661244802, now seen corresponding path program 1 times [2022-11-26 01:08:02,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:08:02,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626047874] [2022-11-26 01:08:02,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:02,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:08:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:08:02,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:02,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626047874] [2022-11-26 01:08:02,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626047874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:02,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:02,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:08:02,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668251746] [2022-11-26 01:08:02,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:02,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:08:02,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:08:02,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:08:02,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:08:02,219 INFO L87 Difference]: Start difference. First operand 2325 states and 6946 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:02,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:02,439 INFO L93 Difference]: Finished difference Result 4237 states and 12429 transitions. [2022-11-26 01:08:02,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:08:02,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-26 01:08:02,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:02,456 INFO L225 Difference]: With dead ends: 4237 [2022-11-26 01:08:02,456 INFO L226 Difference]: Without dead ends: 4154 [2022-11-26 01:08:02,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:08:02,457 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 115 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:02,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 84 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:08:02,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4154 states. [2022-11-26 01:08:02,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4154 to 2048. [2022-11-26 01:08:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2048 states, 2045 states have (on average 2.9706601466992666) internal successors, (6075), 2047 states have internal predecessors, (6075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:02,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 6075 transitions. [2022-11-26 01:08:02,543 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 6075 transitions. Word has length 20 [2022-11-26 01:08:02,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:02,544 INFO L495 AbstractCegarLoop]: Abstraction has 2048 states and 6075 transitions. [2022-11-26 01:08:02,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:02,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 6075 transitions. [2022-11-26 01:08:02,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-26 01:08:02,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:02,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:02,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 01:08:02,547 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:08:02,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:02,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1926026935, now seen corresponding path program 1 times [2022-11-26 01:08:02,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:08:02,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039081791] [2022-11-26 01:08:02,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:02,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:08:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:02,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:08:02,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:02,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039081791] [2022-11-26 01:08:02,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039081791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:02,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:02,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:08:02,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414457462] [2022-11-26 01:08:02,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:02,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:08:02,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:08:02,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:08:02,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:08:02,878 INFO L87 Difference]: Start difference. First operand 2048 states and 6075 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:03,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:03,226 INFO L93 Difference]: Finished difference Result 2126 states and 6117 transitions. [2022-11-26 01:08:03,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:08:03,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-26 01:08:03,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:03,234 INFO L225 Difference]: With dead ends: 2126 [2022-11-26 01:08:03,235 INFO L226 Difference]: Without dead ends: 1934 [2022-11-26 01:08:03,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:08:03,236 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:03,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 19 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:08:03,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-11-26 01:08:03,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1752. [2022-11-26 01:08:03,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1751 states have (on average 2.874928612221588) internal successors, (5034), 1751 states have internal predecessors, (5034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:03,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 5034 transitions. [2022-11-26 01:08:03,288 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 5034 transitions. Word has length 21 [2022-11-26 01:08:03,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:03,288 INFO L495 AbstractCegarLoop]: Abstraction has 1752 states and 5034 transitions. [2022-11-26 01:08:03,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:03,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 5034 transitions. [2022-11-26 01:08:03,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-26 01:08:03,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:03,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:03,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 01:08:03,291 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2022-11-26 01:08:03,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:03,292 INFO L85 PathProgramCache]: Analyzing trace with hash 641950142, now seen corresponding path program 1 times [2022-11-26 01:08:03,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:08:03,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929207240] [2022-11-26 01:08:03,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:03,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:08:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:03,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:08:03,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:03,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929207240] [2022-11-26 01:08:03,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929207240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:03,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:03,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:08:03,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411397777] [2022-11-26 01:08:03,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:03,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:08:03,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:08:03,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:08:03,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:08:03,566 INFO L87 Difference]: Start difference. First operand 1752 states and 5034 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:04,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:04,031 INFO L93 Difference]: Finished difference Result 1638 states and 4704 transitions. [2022-11-26 01:08:04,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:08:04,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-26 01:08:04,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:04,032 INFO L225 Difference]: With dead ends: 1638 [2022-11-26 01:08:04,032 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 01:08:04,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:08:04,033 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:04,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 19 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:08:04,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 01:08:04,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 01:08:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 01:08:04,034 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-11-26 01:08:04,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:04,034 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 01:08:04,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:08:04,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 01:08:04,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 01:08:04,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (61 of 62 remaining) [2022-11-26 01:08:04,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (60 of 62 remaining) [2022-11-26 01:08:04,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (59 of 62 remaining) [2022-11-26 01:08:04,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (58 of 62 remaining) [2022-11-26 01:08:04,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (57 of 62 remaining) [2022-11-26 01:08:04,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (56 of 62 remaining) [2022-11-26 01:08:04,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (55 of 62 remaining) [2022-11-26 01:08:04,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (54 of 62 remaining) [2022-11-26 01:08:04,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (53 of 62 remaining) [2022-11-26 01:08:04,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (52 of 62 remaining) [2022-11-26 01:08:04,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (51 of 62 remaining) [2022-11-26 01:08:04,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (50 of 62 remaining) [2022-11-26 01:08:04,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 62 remaining) [2022-11-26 01:08:04,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 62 remaining) [2022-11-26 01:08:04,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 62 remaining) [2022-11-26 01:08:04,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 62 remaining) [2022-11-26 01:08:04,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 62 remaining) [2022-11-26 01:08:04,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 62 remaining) [2022-11-26 01:08:04,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 62 remaining) [2022-11-26 01:08:04,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 62 remaining) [2022-11-26 01:08:04,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 62 remaining) [2022-11-26 01:08:04,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 62 remaining) [2022-11-26 01:08:04,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 62 remaining) [2022-11-26 01:08:04,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 62 remaining) [2022-11-26 01:08:04,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 62 remaining) [2022-11-26 01:08:04,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 62 remaining) [2022-11-26 01:08:04,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 62 remaining) [2022-11-26 01:08:04,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 62 remaining) [2022-11-26 01:08:04,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 62 remaining) [2022-11-26 01:08:04,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 62 remaining) [2022-11-26 01:08:04,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 62 remaining) [2022-11-26 01:08:04,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 62 remaining) [2022-11-26 01:08:04,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 62 remaining) [2022-11-26 01:08:04,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 62 remaining) [2022-11-26 01:08:04,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 62 remaining) [2022-11-26 01:08:04,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 62 remaining) [2022-11-26 01:08:04,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 62 remaining) [2022-11-26 01:08:04,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 62 remaining) [2022-11-26 01:08:04,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 62 remaining) [2022-11-26 01:08:04,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 62 remaining) [2022-11-26 01:08:04,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 62 remaining) [2022-11-26 01:08:04,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 62 remaining) [2022-11-26 01:08:04,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 62 remaining) [2022-11-26 01:08:04,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (18 of 62 remaining) [2022-11-26 01:08:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (17 of 62 remaining) [2022-11-26 01:08:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 62 remaining) [2022-11-26 01:08:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (15 of 62 remaining) [2022-11-26 01:08:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (14 of 62 remaining) [2022-11-26 01:08:04,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (13 of 62 remaining) [2022-11-26 01:08:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (12 of 62 remaining) [2022-11-26 01:08:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 62 remaining) [2022-11-26 01:08:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 62 remaining) [2022-11-26 01:08:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 62 remaining) [2022-11-26 01:08:04,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 62 remaining) [2022-11-26 01:08:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 62 remaining) [2022-11-26 01:08:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 62 remaining) [2022-11-26 01:08:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 62 remaining) [2022-11-26 01:08:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 62 remaining) [2022-11-26 01:08:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 62 remaining) [2022-11-26 01:08:04,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (2 of 62 remaining) [2022-11-26 01:08:04,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 62 remaining) [2022-11-26 01:08:04,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (0 of 62 remaining) [2022-11-26 01:08:04,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 01:08:04,052 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:04,058 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-26 01:08:04,058 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:08:04,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:08:04 BasicIcfg [2022-11-26 01:08:04,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:08:04,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:08:04,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:08:04,062 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:08:04,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:40" (3/4) ... [2022-11-26 01:08:04,065 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 01:08:04,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-26 01:08:04,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-26 01:08:04,078 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-26 01:08:04,078 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-26 01:08:04,079 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 01:08:04,079 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 01:08:04,130 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:08:04,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:08:04,131 INFO L158 Benchmark]: Toolchain (without parser) took 25316.75ms. Allocated memory was 157.3MB in the beginning and 333.4MB in the end (delta: 176.2MB). Free memory was 120.9MB in the beginning and 277.5MB in the end (delta: -156.6MB). Peak memory consumption was 217.0MB. Max. memory is 16.1GB. [2022-11-26 01:08:04,131 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:08:04,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.93ms. Allocated memory is still 157.3MB. Free memory was 120.5MB in the beginning and 121.4MB in the end (delta: -865.9kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:08:04,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.18ms. Allocated memory is still 157.3MB. Free memory was 121.4MB in the beginning and 119.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:08:04,133 INFO L158 Benchmark]: Boogie Preprocessor took 87.92ms. Allocated memory is still 157.3MB. Free memory was 119.3MB in the beginning and 116.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:08:04,133 INFO L158 Benchmark]: RCFGBuilder took 1017.54ms. Allocated memory is still 157.3MB. Free memory was 116.8MB in the beginning and 89.9MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 01:08:04,134 INFO L158 Benchmark]: TraceAbstraction took 23686.25ms. Allocated memory was 157.3MB in the beginning and 333.4MB in the end (delta: 176.2MB). Free memory was 89.5MB in the beginning and 84.1MB in the end (delta: 5.4MB). Peak memory consumption was 183.0MB. Max. memory is 16.1GB. [2022-11-26 01:08:04,134 INFO L158 Benchmark]: Witness Printer took 68.78ms. Allocated memory is still 333.4MB. Free memory was 84.1MB in the beginning and 277.5MB in the end (delta: -193.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:08:04,136 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.93ms. Allocated memory is still 157.3MB. Free memory was 120.5MB in the beginning and 121.4MB in the end (delta: -865.9kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.18ms. Allocated memory is still 157.3MB. Free memory was 121.4MB in the beginning and 119.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.92ms. Allocated memory is still 157.3MB. Free memory was 119.3MB in the beginning and 116.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1017.54ms. Allocated memory is still 157.3MB. Free memory was 116.8MB in the beginning and 89.9MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 23686.25ms. Allocated memory was 157.3MB in the beginning and 333.4MB in the end (delta: 176.2MB). Free memory was 89.5MB in the beginning and 84.1MB in the end (delta: 5.4MB). Peak memory consumption was 183.0MB. Max. memory is 16.1GB. * Witness Printer took 68.78ms. Allocated memory is still 333.4MB. Free memory was 84.1MB in the beginning and 277.5MB in the end (delta: -193.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.0s, 323 PlacesBefore, 94 PlacesAfterwards, 333 TransitionsBefore, 97 TransitionsAfterwards, 13068 CoEnabledTransitionPairs, 16 FixpointIterations, 183 TrivialSequentialCompositions, 197 ConcurrentSequentialCompositions, 29 TrivialYvCompositions, 12 ConcurrentYvCompositions, 7 ChoiceCompositions, 428 TotalNumberOfCompositions, 84525 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40263, independent: 38749, independent conditional: 0, independent unconditional: 38749, dependent: 1514, dependent conditional: 0, dependent unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10580, independent: 10423, independent conditional: 0, independent unconditional: 10423, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10580, independent: 9308, independent conditional: 0, independent unconditional: 9308, dependent: 1272, dependent conditional: 0, dependent unconditional: 1272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1272, independent: 1115, independent conditional: 0, independent unconditional: 1115, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2632, independent: 2134, independent conditional: 0, independent unconditional: 2134, dependent: 499, dependent conditional: 0, dependent unconditional: 499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40263, independent: 28326, independent conditional: 0, independent unconditional: 28326, dependent: 1357, dependent conditional: 0, dependent unconditional: 1357, unknown: 10580, unknown conditional: 0, unknown unconditional: 10580] , Statistics on independence cache: Total cache size (in pairs): 1716, Positive cache size: 1637, Positive conditional cache size: 0, Positive unconditional cache size: 1637, Negative cache size: 79, Negative conditional cache size: 0, Negative unconditional cache size: 79, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 445 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 23.4s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 736 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 736 mSDsluCounter, 599 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 294 mSDsCounter, 329 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2721 IncrementalHoareTripleChecker+Invalid, 3050 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 329 mSolverCounterUnsat, 305 mSDtfsCounter, 2721 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5743occurred in iteration=0, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 5384 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 690 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 7/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-26 01:08:04,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb7092d-756e-4949-b9b1-f697039c7c94/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE