./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b8273370cd4ec5730806cf9b8f54c915e93daab6c48b9546d3920e402afdc55 --- 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-5e519f3 [2022-11-04 12:05:26,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-04 12:05:26,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-04 12:05:26,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-04 12:05:26,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-04 12:05:26,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-04 12:05:26,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-04 12:05:26,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-04 12:05:26,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-04 12:05:26,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-04 12:05:26,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-04 12:05:26,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-04 12:05:26,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-04 12:05:26,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-04 12:05:26,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-04 12:05:26,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-04 12:05:26,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-04 12:05:26,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-04 12:05:26,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-04 12:05:26,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-04 12:05:26,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-04 12:05:26,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-04 12:05:26,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-04 12:05:26,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-04 12:05:26,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-04 12:05:26,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-04 12:05:26,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-04 12:05:26,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-04 12:05:26,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-04 12:05:26,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-04 12:05:26,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-04 12:05:26,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-04 12:05:26,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-04 12:05:26,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-04 12:05:26,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-04 12:05:26,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-04 12:05:26,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-04 12:05:26,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-04 12:05:26,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-04 12:05:26,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-04 12:05:26,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-04 12:05:26,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-04 12:05:26,902 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-04 12:05:26,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-04 12:05:26,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-04 12:05:26,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-04 12:05:26,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-04 12:05:26,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-04 12:05:26,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-04 12:05:26,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-04 12:05:26,905 INFO L138 SettingsManager]: * Use SBE=true [2022-11-04 12:05:26,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-04 12:05:26,905 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-04 12:05:26,905 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-04 12:05:26,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-04 12:05:26,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-04 12:05:26,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-04 12:05:26,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-04 12:05:26,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-04 12:05:26,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-04 12:05:26,907 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-04 12:05:26,907 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-04 12:05:26,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-04 12:05:26,908 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-04 12:05:26,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-04 12:05:26,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-04 12:05:26,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-04 12:05:26,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-04 12:05:26,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-04 12:05:26,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-04 12:05:26,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-04 12:05:26,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-04 12:05:26,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-04 12:05:26,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-04 12:05:26,910 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-11-04 12:05:26,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-04 12:05:26,911 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-04 12:05:26,911 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-04 12:05:26,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-04 12:05:26,911 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-04 12:05:26,911 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-04 12:05:26,912 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_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8273370cd4ec5730806cf9b8f54c915e93daab6c48b9546d3920e402afdc55 [2022-11-04 12:05:27,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-04 12:05:27,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-04 12:05:27,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-04 12:05:27,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-04 12:05:27,254 INFO L275 PluginConnector]: CDTParser initialized [2022-11-04 12:05:27,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c [2022-11-04 12:05:27,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/data/dfb1d3a53/2b40c55df4b04f7aafd0e3d214971ff6/FLAG210f86880 [2022-11-04 12:05:27,848 INFO L306 CDTParser]: Found 1 translation units. [2022-11-04 12:05:27,848 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c [2022-11-04 12:05:27,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/data/dfb1d3a53/2b40c55df4b04f7aafd0e3d214971ff6/FLAG210f86880 [2022-11-04 12:05:28,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/data/dfb1d3a53/2b40c55df4b04f7aafd0e3d214971ff6 [2022-11-04 12:05:28,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-04 12:05:28,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-04 12:05:28,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-04 12:05:28,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-04 12:05:28,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-04 12:05:28,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c878f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28, skipping insertion in model container [2022-11-04 12:05:28,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-04 12:05:28,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-04 12:05:28,458 WARN L230 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_b5d71937-ab56-4211-8eea-c14168edc0db/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2022-11-04 12:05:28,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-04 12:05:28,474 INFO L203 MainTranslator]: Completed pre-run [2022-11-04 12:05:28,512 WARN L230 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_b5d71937-ab56-4211-8eea-c14168edc0db/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2022-11-04 12:05:28,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-04 12:05:28,532 INFO L208 MainTranslator]: Completed translation [2022-11-04 12:05:28,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28 WrapperNode [2022-11-04 12:05:28,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-04 12:05:28,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-04 12:05:28,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-04 12:05:28,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-04 12:05:28,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,586 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 214 [2022-11-04 12:05:28,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-04 12:05:28,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-04 12:05:28,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-04 12:05:28,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-04 12:05:28,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,656 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-04 12:05:28,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-04 12:05:28,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-04 12:05:28,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-04 12:05:28,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-04 12:05:28,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:28,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-04 12:05:28,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-04 12:05:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-04 12:05:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-04 12:05:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-04 12:05:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-04 12:05:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-04 12:05:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-04 12:05:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-04 12:05:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-04 12:05:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-04 12:05:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-04 12:05:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-04 12:05:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-04 12:05:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-04 12:05:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-04 12:05:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-04 12:05:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-04 12:05:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-04 12:05:28,764 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-04 12:05:28,969 INFO L235 CfgBuilder]: Building ICFG [2022-11-04 12:05:28,971 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-04 12:05:29,787 INFO L276 CfgBuilder]: Performing block encoding [2022-11-04 12:05:29,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-04 12:05:29,943 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-04 12:05:29,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:05:29 BoogieIcfgContainer [2022-11-04 12:05:29,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-04 12:05:29,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-04 12:05:29,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-04 12:05:29,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-04 12:05:29,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 12:05:28" (1/3) ... [2022-11-04 12:05:29,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db865dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:05:29, skipping insertion in model container [2022-11-04 12:05:29,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (2/3) ... [2022-11-04 12:05:29,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db865dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:05:29, skipping insertion in model container [2022-11-04 12:05:29,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:05:29" (3/3) ... [2022-11-04 12:05:29,956 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2022-11-04 12:05:29,965 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-04 12:05:29,976 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-04 12:05:29,977 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2022-11-04 12:05:29,977 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-04 12:05:30,069 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-04 12:05:30,133 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-04 12:05:30,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-04 12:05:30,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:30,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-04 12:05:30,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-04 12:05:30,188 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-04 12:05:30,208 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2022-11-04 12:05:30,224 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=PARTIAL_ORDER_FA, 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;@1ce309f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-04 12:05:30,225 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-04 12:05:30,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-11-04 12:05:30,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:30,548 INFO L85 PathProgramCache]: Analyzing trace with hash -2096942139, now seen corresponding path program 1 times [2022-11-04 12:05:30,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:30,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185126124] [2022-11-04 12:05:30,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:30,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-04 12:05:30,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:30,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185126124] [2022-11-04 12:05:30,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185126124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:30,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:30,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:05:30,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163087104] [2022-11-04 12:05:30,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:30,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-04 12:05:30,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:30,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-04 12:05:30,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-04 12:05:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:30,903 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:30,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:05:30,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:30,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:30,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-04 12:05:30,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-11-04 12:05:30,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:30,942 INFO L85 PathProgramCache]: Analyzing trace with hash 652344104, now seen corresponding path program 1 times [2022-11-04 12:05:30,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:30,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390013767] [2022-11-04 12:05:30,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:30,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-04 12:05:31,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:31,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390013767] [2022-11-04 12:05:31,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390013767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:31,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:31,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-04 12:05:31,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638164696] [2022-11-04 12:05:31,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:31,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:31,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:31,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:31,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:05:31,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:31,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:31,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:05:31,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:31,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:25,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:25,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:25,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-04 12:06:25,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-04 12:06:25,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-04 12:06:25,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-11-04 12:06:25,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-04 12:06:25,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-04 12:06:25,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-04 12:06:25,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-04 12:06:25,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-04 12:06:25,710 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-04 12:06:25,712 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/4) [2022-11-04 12:06:25,720 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-04 12:06:25,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-04 12:06:25,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:06:25,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-04 12:06:25,744 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-04 12:06:25,745 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2022-11-04 12:06:25,746 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=PARTIAL_ORDER_FA, 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;@1ce309f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-04 12:06:25,746 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-04 12:06:25,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-04 12:06:25,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:06:25,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:25,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1713399149, now seen corresponding path program 1 times [2022-11-04 12:06:25,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:25,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178529827] [2022-11-04 12:06:25,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:25,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-04 12:06:26,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:06:26,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178529827] [2022-11-04 12:06:26,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178529827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:06:26,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:06:26,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:06:26,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013905641] [2022-11-04 12:06:26,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:06:26,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-04 12:06:26,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:26,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-04 12:06:26,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-04 12:06:26,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,098 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:26,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-04 12:06:26,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:06:26,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:26,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1362637482, now seen corresponding path program 1 times [2022-11-04 12:06:26,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:26,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441713777] [2022-11-04 12:06:26,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:26,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:26,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-04 12:06:26,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:06:26,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441713777] [2022-11-04 12:06:26,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441713777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:06:26,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:06:26,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:06:26,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039735792] [2022-11-04 12:06:26,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:06:26,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:06:26,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:26,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:06:26,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:06:26,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:26,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:06:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:26,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-04 12:06:26,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:06:26,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:26,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1627392968, now seen corresponding path program 1 times [2022-11-04 12:06:26,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:26,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005712517] [2022-11-04 12:06:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:26,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-04 12:06:26,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:06:26,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005712517] [2022-11-04 12:06:26,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005712517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:06:26,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:06:26,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:06:26,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190045391] [2022-11-04 12:06:26,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:06:26,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:06:26,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:26,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:06:26,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:06:26,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,596 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:26,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 72.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:06:26,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:26,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:26,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:26,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-04 12:06:26,726 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:06:26,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:26,727 INFO L85 PathProgramCache]: Analyzing trace with hash -503731362, now seen corresponding path program 1 times [2022-11-04 12:06:26,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:26,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710104058] [2022-11-04 12:06:26,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:26,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-04 12:06:26,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:06:26,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710104058] [2022-11-04 12:06:26,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710104058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:06:26,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:06:26,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:06:26,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014296689] [2022-11-04 12:06:26,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:06:26,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:06:26,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:26,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:06:26,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:06:26,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:26,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 74.5) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:06:26,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:26,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:26,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:26,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:27,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:27,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-04 12:06:27,367 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:06:27,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:27,370 INFO L85 PathProgramCache]: Analyzing trace with hash -118380037, now seen corresponding path program 1 times [2022-11-04 12:06:27,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:27,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559997444] [2022-11-04 12:06:27,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:27,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-04 12:06:27,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:06:27,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559997444] [2022-11-04 12:06:27,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559997444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:06:27,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:06:27,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-04 12:06:27,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498696600] [2022-11-04 12:06:27,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:06:27,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-04 12:06:27,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:27,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-04 12:06:27,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-04 12:06:27,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:27,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:27,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:06:27,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:27,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:27,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:27,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:27,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:38,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:06:38,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-04 12:06:38,711 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:06:38,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:38,711 INFO L85 PathProgramCache]: Analyzing trace with hash -343447504, now seen corresponding path program 1 times [2022-11-04 12:06:38,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:38,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979725812] [2022-11-04 12:06:38,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:38,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-04 12:06:39,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:06:39,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979725812] [2022-11-04 12:06:39,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979725812] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:06:39,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382086448] [2022-11-04 12:06:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:39,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:06:39,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:06:39,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:06:39,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-04 12:06:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:39,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-04 12:06:39,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:06:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-04 12:06:39,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:06:40,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-04 12:06:40,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382086448] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-04 12:06:40,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-04 12:06:40,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-04 12:06:40,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678780519] [2022-11-04 12:06:40,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:06:40,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-04 12:06:40,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:40,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-04 12:06:40,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-04 12:06:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:40,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:40,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.428571428571427) internal successors, (206), 7 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:06:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:06:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:57,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:57,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:57,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:57,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:06:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-04 12:06:57,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-04 12:06:57,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:06:57,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:06:57,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash -819339429, now seen corresponding path program 1 times [2022-11-04 12:06:57,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:57,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641392395] [2022-11-04 12:06:57,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:57,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:07:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-04 12:07:00,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:07:00,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641392395] [2022-11-04 12:07:00,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641392395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:07:00,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:07:00,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-11-04 12:07:00,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124701450] [2022-11-04 12:07:00,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:07:00,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-04 12:07:00,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:07:00,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-04 12:07:00,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-11-04 12:07:00,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:00,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:07:00,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 9.409090909090908) internal successors, (207), 23 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:07:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:07:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-04 12:07:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:10,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:10,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:10,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:07:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-04 12:07:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-04 12:07:10,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-04 12:07:10,514 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:07:10,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:07:10,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1246794346, now seen corresponding path program 1 times [2022-11-04 12:07:10,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:07:10,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114557659] [2022-11-04 12:07:10,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:07:10,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:07:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:07:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-04 12:07:10,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:07:10,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114557659] [2022-11-04 12:07:10,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114557659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:07:10,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:07:10,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:07:10,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684986801] [2022-11-04 12:07:10,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:07:10,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:07:10,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:07:10,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:07:10,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:07:10,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:10,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:07:10,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:07:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:10,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:07:10,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-04 12:07:10,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-04 12:07:10,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:07:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-04 12:07:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-04 12:07:12,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:12,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-04 12:07:12,337 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:07:12,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:07:12,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1470549440, now seen corresponding path program 1 times [2022-11-04 12:07:12,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:07:12,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969462474] [2022-11-04 12:07:12,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:07:12,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:07:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:07:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-04 12:07:12,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:07:12,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969462474] [2022-11-04 12:07:12,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969462474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:07:12,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:07:12,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:07:12,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453006739] [2022-11-04 12:07:12,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:07:12,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:07:12,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:07:12,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:07:12,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:07:12,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:12,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:07:12,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:07:12,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:12,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:12,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:12,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:12,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:07:12,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-04 12:07:12,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-04 12:07:12,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:12,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:14,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:14,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:14,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:14,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:14,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:07:14,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-04 12:07:14,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-04 12:07:14,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:14,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:14,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-04 12:07:14,042 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:07:14,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:07:14,043 INFO L85 PathProgramCache]: Analyzing trace with hash 153802946, now seen corresponding path program 1 times [2022-11-04 12:07:14,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:07:14,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309315936] [2022-11-04 12:07:14,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:07:14,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:07:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:07:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-04 12:07:14,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:07:14,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309315936] [2022-11-04 12:07:14,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309315936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:07:14,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:07:14,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:07:14,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547089919] [2022-11-04 12:07:14,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:07:14,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:07:14,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:07:14,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:07:14,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:07:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:14,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:07:14,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:07:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:14,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:14,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:14,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:07:14,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-04 12:07:14,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-04 12:07:14,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:14,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:14,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:07:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-04 12:07:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-04 12:07:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:15,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-04 12:07:15,654 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-04 12:07:15,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:07:15,654 INFO L85 PathProgramCache]: Analyzing trace with hash 647247206, now seen corresponding path program 1 times [2022-11-04 12:07:15,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:07:15,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759385974] [2022-11-04 12:07:15,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:07:15,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:07:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:07:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-04 12:07:16,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:07:16,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759385974] [2022-11-04 12:07:16,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759385974] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:07:16,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014338340] [2022-11-04 12:07:16,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:07:16,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:07:16,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:07:16,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:07:16,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d71937-ab56-4211-8eea-c14168edc0db/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-04 12:07:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:07:16,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-04 12:07:16,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:07:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-04 12:07:16,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:07:17,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-04 12:07:17,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014338340] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:07:17,130 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:07:17,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-11-04 12:07:17,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200491649] [2022-11-04 12:07:17,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:07:17,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-04 12:07:17,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:07:17,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-04 12:07:17,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-04 12:07:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:17,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:07:17,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 21.428571428571427) internal successors, (300), 14 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:07:17,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:17,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:17,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:17,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:17,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-04 12:07:17,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-04 12:07:17,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-04 12:07:17,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:17,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:17,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:17,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.