./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b09c85b7 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U --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 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 --- 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-b09c85b [2022-11-08 07:41:37,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-08 07:41:37,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-08 07:41:37,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-08 07:41:37,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-08 07:41:37,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-08 07:41:37,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-08 07:41:37,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-08 07:41:37,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-08 07:41:37,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-08 07:41:37,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-08 07:41:37,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-08 07:41:37,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-08 07:41:37,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-08 07:41:37,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-08 07:41:37,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-08 07:41:37,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-08 07:41:37,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-08 07:41:37,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-08 07:41:37,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-08 07:41:37,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-08 07:41:37,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-08 07:41:37,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-08 07:41:37,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-08 07:41:37,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-08 07:41:37,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-08 07:41:37,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-08 07:41:37,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-08 07:41:37,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-08 07:41:37,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-08 07:41:37,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-08 07:41:37,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-08 07:41:37,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-08 07:41:37,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-08 07:41:37,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-08 07:41:37,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-08 07:41:37,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-08 07:41:37,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-08 07:41:37,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-08 07:41:37,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-08 07:41:37,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-08 07:41:37,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-08 07:41:37,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-08 07:41:37,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-08 07:41:37,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-08 07:41:37,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-08 07:41:37,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-08 07:41:37,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-08 07:41:37,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-08 07:41:37,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-08 07:41:37,194 INFO L138 SettingsManager]: * Use SBE=true [2022-11-08 07:41:37,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-08 07:41:37,195 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-08 07:41:37,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-08 07:41:37,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-08 07:41:37,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-08 07:41:37,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-08 07:41:37,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-08 07:41:37,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-08 07:41:37,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-08 07:41:37,197 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-08 07:41:37,197 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-08 07:41:37,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-08 07:41:37,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-08 07:41:37,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-08 07:41:37,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-08 07:41:37,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-08 07:41:37,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-08 07:41:37,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-08 07:41:37,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:41:37,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-08 07:41:37,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-08 07:41:37,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-08 07:41:37,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-08 07:41:37,200 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-11-08 07:41:37,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-08 07:41:37,200 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-08 07:41:37,201 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-08 07:41:37,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-08 07:41:37,201 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-08 07:41:37,201 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-08 07:41:37,201 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_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 [2022-11-08 07:41:37,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-08 07:41:37,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-08 07:41:37,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-08 07:41:37,613 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-08 07:41:37,614 INFO L275 PluginConnector]: CDTParser initialized [2022-11-08 07:41:37,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/../../sv-benchmarks/c/pthread-complex/safestack_relacy.i [2022-11-08 07:41:37,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/data/db7d83a45/eaf716de1d504953b41a488e0991f8a7/FLAG4fa10a50b [2022-11-08 07:41:38,342 INFO L306 CDTParser]: Found 1 translation units. [2022-11-08 07:41:38,344 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/sv-benchmarks/c/pthread-complex/safestack_relacy.i [2022-11-08 07:41:38,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/data/db7d83a45/eaf716de1d504953b41a488e0991f8a7/FLAG4fa10a50b [2022-11-08 07:41:38,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/data/db7d83a45/eaf716de1d504953b41a488e0991f8a7 [2022-11-08 07:41:38,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-08 07:41:38,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-08 07:41:38,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-08 07:41:38,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-08 07:41:38,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-08 07:41:38,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:41:38" (1/1) ... [2022-11-08 07:41:38,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46bbd79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:38, skipping insertion in model container [2022-11-08 07:41:38,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:41:38" (1/1) ... [2022-11-08 07:41:38,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-08 07:41:38,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-08 07:41:39,610 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_ea410a2e-194b-4d15-86ab-65ac3902bc71/sv-benchmarks/c/pthread-complex/safestack_relacy.i[78860,78873] [2022-11-08 07:41:39,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:41:39,625 INFO L203 MainTranslator]: Completed pre-run [2022-11-08 07:41:39,761 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_ea410a2e-194b-4d15-86ab-65ac3902bc71/sv-benchmarks/c/pthread-complex/safestack_relacy.i[78860,78873] [2022-11-08 07:41:39,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:41:39,920 INFO L208 MainTranslator]: Completed translation [2022-11-08 07:41:39,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39 WrapperNode [2022-11-08 07:41:39,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-08 07:41:39,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-08 07:41:39,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-08 07:41:39,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-08 07:41:39,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:39,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:40,027 INFO L138 Inliner]: procedures = 481, calls = 74, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 471 [2022-11-08 07:41:40,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-08 07:41:40,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-08 07:41:40,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-08 07:41:40,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-08 07:41:40,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:40,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:40,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:40,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:40,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:40,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:40,121 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:40,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:40,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-08 07:41:40,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-08 07:41:40,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-08 07:41:40,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-08 07:41:40,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (1/1) ... [2022-11-08 07:41:40,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:41:40,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:40,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-08 07:41:40,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-08 07:41:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-08 07:41:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-08 07:41:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-08 07:41:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-08 07:41:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-08 07:41:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-11-08 07:41:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-11-08 07:41:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-08 07:41:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-08 07:41:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-08 07:41:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-08 07:41:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-08 07:41:40,288 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-08 07:41:40,691 INFO L235 CfgBuilder]: Building ICFG [2022-11-08 07:41:40,694 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-08 07:41:41,705 INFO L276 CfgBuilder]: Performing block encoding [2022-11-08 07:41:42,004 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-08 07:41:42,004 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-08 07:41:42,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:41:42 BoogieIcfgContainer [2022-11-08 07:41:42,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-08 07:41:42,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-08 07:41:42,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-08 07:41:42,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-08 07:41:42,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:41:38" (1/3) ... [2022-11-08 07:41:42,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768f8f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:41:42, skipping insertion in model container [2022-11-08 07:41:42,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:39" (2/3) ... [2022-11-08 07:41:42,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768f8f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:41:42, skipping insertion in model container [2022-11-08 07:41:42,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:41:42" (3/3) ... [2022-11-08 07:41:42,018 INFO L112 eAbstractionObserver]: Analyzing ICFG safestack_relacy.i [2022-11-08 07:41:42,030 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-08 07:41:42,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-08 07:41:42,042 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-08 07:41:42,042 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-08 07:41:42,239 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-08 07:41:42,315 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:41:42,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:41:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:42,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:41:42,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-08 07:41:42,369 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:41:42,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2022-11-08 07:41:42,390 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;@2a36555c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:41:42,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-08 07:41:42,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:41:42,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:42,681 INFO L85 PathProgramCache]: Analyzing trace with hash 570111789, now seen corresponding path program 1 times [2022-11-08 07:41:42,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:42,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868233533] [2022-11-08 07:41:42,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:42,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:41:43,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:43,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868233533] [2022-11-08 07:41:43,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868233533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:43,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:43,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:41:43,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917427903] [2022-11-08 07:41:43,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:43,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-08 07:41:43,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:43,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-08 07:41:43,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-08 07:41:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:43,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:43,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:43,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:43,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-08 07:41:43,292 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:41:43,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:43,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1210253013, now seen corresponding path program 1 times [2022-11-08 07:41:43,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:43,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260927331] [2022-11-08 07:41:43,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:43,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:43,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:41:43,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:43,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260927331] [2022-11-08 07:41:43,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260927331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:43,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:43,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:41:43,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803719884] [2022-11-08 07:41:43,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:43,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:41:43,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:43,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:41:43,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:41:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:43,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:43,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:43,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:43,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:43,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:43,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:43,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-08 07:41:43,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:41:43,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:43,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1115891261, now seen corresponding path program 1 times [2022-11-08 07:41:43,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:43,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940480263] [2022-11-08 07:41:43,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:43,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:41:44,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:44,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940480263] [2022-11-08 07:41:44,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940480263] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:41:44,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377759130] [2022-11-08 07:41:44,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:44,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:41:44,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:44,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:41:44,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-08 07:41:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:44,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-08 07:41:44,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:41:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-08 07:41:44,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-08 07:41:44,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377759130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:44,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-08 07:41:44,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-08 07:41:44,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102783412] [2022-11-08 07:41:44,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:44,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:41:44,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:44,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:41:44,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:41:44,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:44,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:44,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:44,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:44,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:44,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:44,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:44,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-08 07:41:44,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:41:44,906 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:41:44,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:44,907 INFO L85 PathProgramCache]: Analyzing trace with hash 712961015, now seen corresponding path program 1 times [2022-11-08 07:41:44,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:44,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859110820] [2022-11-08 07:41:44,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:44,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:41:45,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:45,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859110820] [2022-11-08 07:41:45,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859110820] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:41:45,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802656430] [2022-11-08 07:41:45,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:45,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:41:45,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:45,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:41:45,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-08 07:41:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:45,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-08 07:41:45,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:41:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:41:45,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:41:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:41:45,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802656430] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:41:45,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:41:45,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 12 [2022-11-08 07:41:45,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668589282] [2022-11-08 07:41:45,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:41:45,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-08 07:41:45,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:45,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-08 07:41:45,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-08 07:41:45,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:45,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:45,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.916666666666666) internal successors, (179), 12 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:45,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:45,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:45,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:45,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:45,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:45,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:45,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:45,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:46,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-08 07:41:46,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:41:46,221 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:41:46,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:46,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1133503339, now seen corresponding path program 1 times [2022-11-08 07:41:46,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:46,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973671087] [2022-11-08 07:41:46,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:46,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-08 07:41:46,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:46,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973671087] [2022-11-08 07:41:46,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973671087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:46,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:46,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:41:46,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816134383] [2022-11-08 07:41:46,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:46,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:41:46,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:46,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:41:46,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:41:46,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:46,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:46,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:46,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:46,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:46,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:46,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:46,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:47,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-08 07:41:47,098 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:41:47,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:47,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2128365146, now seen corresponding path program 1 times [2022-11-08 07:41:47,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:47,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021220382] [2022-11-08 07:41:47,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:47,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-08 07:41:47,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:47,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021220382] [2022-11-08 07:41:47,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021220382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:47,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:47,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:41:47,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123341675] [2022-11-08 07:41:47,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:47,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:41:47,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:47,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:41:47,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:41:47,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:47,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:47,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:47,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:47,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:47,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:47,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:47,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:47,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:48,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:41:48,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-08 07:41:48,804 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:41:48,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:48,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1164715137, now seen corresponding path program 1 times [2022-11-08 07:41:48,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:48,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160795327] [2022-11-08 07:41:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-08 07:41:50,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:50,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160795327] [2022-11-08 07:41:50,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160795327] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:41:50,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547061853] [2022-11-08 07:41:50,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:50,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:41:50,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:50,290 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:41:50,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-08 07:41:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:50,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-08 07:41:50,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:41:51,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-08 07:41:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-08 07:41:51,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:41:52,113 INFO L356 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-11-08 07:41:52,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2022-11-08 07:41:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-08 07:41:52,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547061853] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:41:52,153 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:41:52,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 26 [2022-11-08 07:41:52,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202234262] [2022-11-08 07:41:52,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:41:52,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-08 07:41:52,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:52,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-08 07:41:52,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2022-11-08 07:41:52,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:52,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:52,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 12.961538461538462) internal successors, (337), 26 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:41:52,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:41:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-08 07:41:54,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-08 07:41:54,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-08 07:41:54,731 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:41:54,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:54,732 INFO L85 PathProgramCache]: Analyzing trace with hash 951453785, now seen corresponding path program 1 times [2022-11-08 07:41:54,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:54,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383079948] [2022-11-08 07:41:54,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:54,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-08 07:41:55,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:55,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383079948] [2022-11-08 07:41:55,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383079948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:55,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:55,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:41:55,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837574170] [2022-11-08 07:41:55,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:55,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:41:55,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:55,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:41:55,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:41:55,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:55,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:55,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:55,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:55,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:55,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:55,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:55,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:55,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:41:55,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-08 07:41:55,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:41:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-08 07:41:56,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:56,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-08 07:41:56,457 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr15ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:41:56,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:56,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1450798888, now seen corresponding path program 1 times [2022-11-08 07:41:56,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:56,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931323156] [2022-11-08 07:41:56,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:56,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-08 07:41:57,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:57,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931323156] [2022-11-08 07:41:57,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931323156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:57,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:57,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:41:57,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273591817] [2022-11-08 07:41:57,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:57,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:41:57,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:57,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:41:57,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:41:57,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:57,587 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:57,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.2) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:57,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:57,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:57,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:57,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:57,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:57,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:41:57,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-08 07:41:57,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:57,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:41:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-08 07:41:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:58,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-08 07:41:58,120 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr17ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:41:58,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:58,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1710782262, now seen corresponding path program 1 times [2022-11-08 07:41:58,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:58,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929161389] [2022-11-08 07:41:58,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:58,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-08 07:41:59,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:59,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929161389] [2022-11-08 07:41:59,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929161389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:59,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:59,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:41:59,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555971057] [2022-11-08 07:41:59,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:59,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:41:59,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:59,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:41:59,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:41:59,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:59,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:59,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 44.4) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:59,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:59,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:41:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:41:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-08 07:41:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:41:59,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:07,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-08 07:42:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:07,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr14ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2022-11-08 07:42:07,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr15ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2022-11-08 07:42:07,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2022-11-08 07:42:07,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr16ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2022-11-08 07:42:07,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr1ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2022-11-08 07:42:07,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr17ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2022-11-08 07:42:07,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2022-11-08 07:42:07,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr3ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2022-11-08 07:42:07,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr24ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2022-11-08 07:42:07,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr25ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2022-11-08 07:42:07,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr26ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2022-11-08 07:42:07,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr18ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2022-11-08 07:42:07,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr19ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2022-11-08 07:42:07,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr20ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2022-11-08 07:42:07,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr21ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2022-11-08 07:42:07,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr22ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2022-11-08 07:42:07,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr23ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2022-11-08 07:42:07,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr4ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2022-11-08 07:42:07,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr5ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2022-11-08 07:42:07,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr6ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2022-11-08 07:42:07,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr7ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2022-11-08 07:42:07,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr8ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2022-11-08 07:42:07,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr9ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2022-11-08 07:42:07,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr10ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2022-11-08 07:42:07,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr11ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2022-11-08 07:42:07,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr12ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2022-11-08 07:42:07,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr13ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2022-11-08 07:42:07,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-08 07:42:07,629 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-08 07:42:07,631 INFO L307 ceAbstractionStarter]: Result for error location threadThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2022-11-08 07:42:07,640 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:07,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:42:07,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:07,642 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:07,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-11-08 07:42:07,664 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:42:07,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-08 07:42:07,664 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;@2a36555c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:07,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-08 07:42:07,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-08 07:42:07,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:07,667 INFO L85 PathProgramCache]: Analyzing trace with hash -52023749, now seen corresponding path program 1 times [2022-11-08 07:42:07,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:07,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632526] [2022-11-08 07:42:07,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:07,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:07,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:07,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632526] [2022-11-08 07:42:07,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:07,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:07,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-08 07:42:07,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095840782] [2022-11-08 07:42:07,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:07,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-08 07:42:07,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:07,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-08 07:42:07,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-08 07:42:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:07,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:07,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 39.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:07,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:07,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-08 07:42:07,884 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-08 07:42:07,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:07,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1864871097, now seen corresponding path program 1 times [2022-11-08 07:42:07,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:07,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775726293] [2022-11-08 07:42:07,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:07,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:08,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:08,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775726293] [2022-11-08 07:42:08,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775726293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:08,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:08,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:42:08,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50925373] [2022-11-08 07:42:08,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:08,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:42:08,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:08,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:42:08,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:42:08,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,041 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:08,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:08,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:08,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-08 07:42:08,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-08 07:42:08,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:08,098 INFO L85 PathProgramCache]: Analyzing trace with hash -848399115, now seen corresponding path program 1 times [2022-11-08 07:42:08,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:08,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883758922] [2022-11-08 07:42:08,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:08,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:08,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:08,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883758922] [2022-11-08 07:42:08,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883758922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:08,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:08,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:42:08,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578887828] [2022-11-08 07:42:08,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:08,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:42:08,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:08,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:42:08,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:42:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:08,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:08,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:08,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:08,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:08,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-08 07:42:08,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-08 07:42:08,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:08,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1503130555, now seen corresponding path program 1 times [2022-11-08 07:42:08,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:08,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554955717] [2022-11-08 07:42:08,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:08,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:08,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:08,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554955717] [2022-11-08 07:42:08,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554955717] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:08,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234839960] [2022-11-08 07:42:08,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:08,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:08,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:08,483 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:08,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-08 07:42:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:08,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-08 07:42:08,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:08,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:08,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:42:08,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:08,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234839960] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:42:08,955 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:42:08,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 12 [2022-11-08 07:42:08,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885414534] [2022-11-08 07:42:08,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:42:08,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-08 07:42:08,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:08,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-08 07:42:08,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-08 07:42:08,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:08,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 12 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:08,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:08,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:08,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:09,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:09,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:09,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:09,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:09,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:09,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:09,389 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-08 07:42:09,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:09,389 INFO L85 PathProgramCache]: Analyzing trace with hash -300972895, now seen corresponding path program 1 times [2022-11-08 07:42:09,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:09,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762994119] [2022-11-08 07:42:09,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:09,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-08 07:42:09,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:09,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762994119] [2022-11-08 07:42:09,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762994119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:09,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:09,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:42:09,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507704502] [2022-11-08 07:42:09,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:09,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:42:09,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:09,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:42:09,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:42:09,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:09,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:09,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:09,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:09,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:09,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:09,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:09,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:09,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:09,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-08 07:42:09,561 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-08 07:42:09,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:09,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1457723433, now seen corresponding path program 1 times [2022-11-08 07:42:09,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:09,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765045630] [2022-11-08 07:42:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:09,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-08 07:42:09,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-08 07:42:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-08 07:42:09,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-08 07:42:09,725 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-08 07:42:09,726 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2022-11-08 07:42:09,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-11-08 07:42:09,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-11-08 07:42:09,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-11-08 07:42:09,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-11-08 07:42:09,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-11-08 07:42:09,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-08 07:42:09,730 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-08 07:42:09,731 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2022-11-08 07:42:09,732 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-08 07:42:09,732 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-08 07:42:09,865 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-08 07:42:09,870 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:09,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:42:09,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:09,872 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:09,880 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:42:09,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of2ForFork0 ======== [2022-11-08 07:42:09,881 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;@2a36555c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:09,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-08 07:42:09,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-11-08 07:42:12,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:12,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:12,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2099339786, now seen corresponding path program 1 times [2022-11-08 07:42:12,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:12,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211714395] [2022-11-08 07:42:12,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:12,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:12,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:12,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211714395] [2022-11-08 07:42:12,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211714395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:12,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:12,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:42:12,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532699524] [2022-11-08 07:42:12,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:12,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-08 07:42:12,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:12,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-08 07:42:12,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-08 07:42:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:12,950 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:12,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:12,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:13,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-08 07:42:13,147 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:13,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:13,148 INFO L85 PathProgramCache]: Analyzing trace with hash -488526665, now seen corresponding path program 1 times [2022-11-08 07:42:13,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:13,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139322516] [2022-11-08 07:42:13,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:13,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:13,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:13,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:13,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139322516] [2022-11-08 07:42:13,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139322516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:13,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:13,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:42:13,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713159353] [2022-11-08 07:42:13,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:13,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:42:13,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:13,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:42:13,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:42:13,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:13,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:13,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:13,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:13,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:13,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:13,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:13,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-08 07:42:13,732 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:13,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:13,732 INFO L85 PathProgramCache]: Analyzing trace with hash -225290498, now seen corresponding path program 1 times [2022-11-08 07:42:13,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:13,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433264007] [2022-11-08 07:42:13,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:13,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:13,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:13,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:13,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433264007] [2022-11-08 07:42:13,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433264007] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:13,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075959597] [2022-11-08 07:42:13,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:13,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:13,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:13,945 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:13,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-08 07:42:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:14,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-08 07:42:14,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-08 07:42:14,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-08 07:42:14,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075959597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:14,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-08 07:42:14,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-08 07:42:14,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507356976] [2022-11-08 07:42:14,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:14,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:42:14,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:14,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:42:14,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:42:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:14,251 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:14,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:14,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:14,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:14,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:14,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:14,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:14,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:14,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:14,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:14,912 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:14,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:14,912 INFO L85 PathProgramCache]: Analyzing trace with hash 327498520, now seen corresponding path program 1 times [2022-11-08 07:42:14,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:14,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700585138] [2022-11-08 07:42:14,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:14,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:15,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:15,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:15,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700585138] [2022-11-08 07:42:15,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700585138] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:15,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745238838] [2022-11-08 07:42:15,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:15,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:15,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:15,046 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:15,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-08 07:42:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:15,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-08 07:42:15,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:15,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:42:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:15,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745238838] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:42:15,569 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:42:15,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 12 [2022-11-08 07:42:15,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300236890] [2022-11-08 07:42:15,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:42:15,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-08 07:42:15,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:15,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-08 07:42:15,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-08 07:42:15,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:15,571 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:15,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.916666666666666) internal successors, (179), 12 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:15,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:15,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:15,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:15,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:17,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:17,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2022-11-08 07:42:17,377 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:17,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:17,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1490076706, now seen corresponding path program 1 times [2022-11-08 07:42:17,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:17,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393088202] [2022-11-08 07:42:17,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:17,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-08 07:42:17,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:17,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393088202] [2022-11-08 07:42:17,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393088202] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:17,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665485057] [2022-11-08 07:42:17,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:17,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:17,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:17,637 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:17,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-08 07:42:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:17,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-08 07:42:17,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-08 07:42:18,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:42:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-08 07:42:18,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665485057] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:42:18,147 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:42:18,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-11-08 07:42:18,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397886610] [2022-11-08 07:42:18,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:42:18,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:42:18,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:18,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:42:18,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:42:18,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:18,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:18,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:19,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:19,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:19,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:19,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:19,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:19,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-08 07:42:19,281 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:19,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:19,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1055733587, now seen corresponding path program 1 times [2022-11-08 07:42:19,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:19,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34014488] [2022-11-08 07:42:19,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:19,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-08 07:42:19,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:19,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34014488] [2022-11-08 07:42:19,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34014488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:19,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:19,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:42:19,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768594867] [2022-11-08 07:42:19,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:19,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:42:19,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:19,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:42:19,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:42:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:19,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:19,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:19,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:19,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:19,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:19,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:19,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:19,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:20,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-08 07:42:20,087 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:20,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:20,087 INFO L85 PathProgramCache]: Analyzing trace with hash -114614136, now seen corresponding path program 1 times [2022-11-08 07:42:20,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:20,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714170578] [2022-11-08 07:42:20,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:20,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-08 07:42:20,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:20,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714170578] [2022-11-08 07:42:20,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714170578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:20,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:20,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:42:20,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549587359] [2022-11-08 07:42:20,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:20,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:42:20,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:20,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:42:20,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:42:20,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:20,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:20,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:20,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:20,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:20,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:20,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:20,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:20,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:20,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:21,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:21,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-08 07:42:21,370 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:21,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:21,371 INFO L85 PathProgramCache]: Analyzing trace with hash -305643565, now seen corresponding path program 1 times [2022-11-08 07:42:21,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:21,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547796824] [2022-11-08 07:42:21,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:21,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:21,572 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-08 07:42:21,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:21,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547796824] [2022-11-08 07:42:21,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547796824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:21,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:21,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:42:21,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633395881] [2022-11-08 07:42:21,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:21,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:42:21,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:21,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:42:21,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:42:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:21,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:21,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 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) [2022-11-08 07:42:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:21,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:23,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-08 07:42:23,636 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:23,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:23,636 INFO L85 PathProgramCache]: Analyzing trace with hash 96608615, now seen corresponding path program 1 times [2022-11-08 07:42:23,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:23,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191662636] [2022-11-08 07:42:23,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:23,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-08 07:42:24,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:24,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191662636] [2022-11-08 07:42:24,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191662636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:24,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:24,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-08 07:42:24,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203091216] [2022-11-08 07:42:24,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:24,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:42:24,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:24,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:42:24,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:42:24,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:24,621 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:24,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:24,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:24,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:24,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:24,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:24,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:24,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:24,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:24,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:24,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:25,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:25,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-08 07:42:25,228 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:25,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:25,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1367084065, now seen corresponding path program 1 times [2022-11-08 07:42:25,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:25,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688890312] [2022-11-08 07:42:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:25,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-08 07:42:25,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:25,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688890312] [2022-11-08 07:42:25,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688890312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:25,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:25,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:42:25,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109386253] [2022-11-08 07:42:25,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:25,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:42:25,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:25,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:42:25,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:42:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:25,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:25,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:25,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:25,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:26,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-08 07:42:26,860 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:26,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:26,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1779500749, now seen corresponding path program 1 times [2022-11-08 07:42:26,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:26,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581689838] [2022-11-08 07:42:26,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:26,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 86 proven. 17 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-08 07:42:28,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:28,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581689838] [2022-11-08 07:42:28,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581689838] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:28,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315386585] [2022-11-08 07:42:28,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:28,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:28,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:28,182 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:28,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-08 07:42:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:28,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-08 07:42:28,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:30,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-08 07:42:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 40 proven. 62 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-08 07:42:30,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:42:30,658 INFO L356 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-11-08 07:42:30,659 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2022-11-08 07:42:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-08 07:42:30,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315386585] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:42:30,764 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:42:30,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 28 [2022-11-08 07:42:30,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101463440] [2022-11-08 07:42:30,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:42:30,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-08 07:42:30,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:30,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-08 07:42:30,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-11-08 07:42:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:30,768 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:30,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 19.928571428571427) internal successors, (558), 28 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:30,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:30,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:30,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:30,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:30,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:40,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-08 07:42:40,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:40,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-08 07:42:40,385 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:40,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:40,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1268334800, now seen corresponding path program 1 times [2022-11-08 07:42:40,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:40,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64140423] [2022-11-08 07:42:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:40,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-08 07:42:41,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:41,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64140423] [2022-11-08 07:42:41,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64140423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:41,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:41,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-08 07:42:41,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255448636] [2022-11-08 07:42:41,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:41,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-08 07:42:41,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:41,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-08 07:42:41,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-11-08 07:42:41,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:41,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:41,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 21.571428571428573) internal successors, (302), 14 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:41,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:41,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:41,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:41,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:41,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:41,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:41,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:41,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:41,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:41,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:41,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-08 07:42:41,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-11-08 07:42:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-08 07:42:44,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-08 07:42:44,902 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:42:44,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:44,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1210436385, now seen corresponding path program 1 times [2022-11-08 07:42:44,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:44,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584004658] [2022-11-08 07:42:44,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:44,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 90 proven. 34 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-08 07:42:46,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:46,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584004658] [2022-11-08 07:42:46,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584004658] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:46,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201706062] [2022-11-08 07:42:46,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:46,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:46,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:46,020 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:46,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-08 07:42:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:46,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-08 07:42:46,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:47,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-08 07:42:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 44 proven. 60 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-08 07:42:47,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:42:48,429 INFO L356 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-11-08 07:42:48,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2022-11-08 07:42:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 66 proven. 38 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-08 07:42:48,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201706062] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:42:48,537 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:42:48,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 28 [2022-11-08 07:42:48,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132614009] [2022-11-08 07:42:48,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:42:48,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-08 07:42:48,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:48,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-08 07:42:48,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-11-08 07:42:48,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:48,541 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:48,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.0) internal successors, (504), 28 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:48,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:48,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:48,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:48,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:42:48,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:48,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:48,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:48,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:48,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:48,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:48,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-11-08 07:42:48,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-08 07:42:48,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:00,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:00,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:43:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-11-08 07:43:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-08 07:43:00,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-11-08 07:43:00,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-08 07:43:00,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-08 07:43:00,934 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:43:00,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:43:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1674755212, now seen corresponding path program 1 times [2022-11-08 07:43:00,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:43:00,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626060296] [2022-11-08 07:43:00,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:00,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:43:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 104 proven. 5 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-08 07:43:01,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:43:01,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626060296] [2022-11-08 07:43:01,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626060296] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:43:01,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810961990] [2022-11-08 07:43:01,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:01,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:43:01,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:43:01,910 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:43:01,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-08 07:43:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:02,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-08 07:43:02,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:43:03,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-08 07:43:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-08 07:43:03,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:43:03,765 INFO L356 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-11-08 07:43:03,765 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2022-11-08 07:43:03,809 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 104 proven. 5 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-08 07:43:03,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810961990] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:43:03,810 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:43:03,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 26 [2022-11-08 07:43:03,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672475578] [2022-11-08 07:43:03,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:43:03,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-08 07:43:03,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:43:03,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-08 07:43:03,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2022-11-08 07:43:03,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:03,813 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:43:03,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 16.846153846153847) internal successors, (438), 26 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:43:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:43:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-11-08 07:43:03,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-08 07:43:03,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-11-08 07:43:03,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:43:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-08 07:43:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-08 07:43:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-08 07:43:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-08 07:43:26,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-08 07:43:27,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:43:27,060 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:43:27,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:43:27,061 INFO L85 PathProgramCache]: Analyzing trace with hash -64043448, now seen corresponding path program 1 times [2022-11-08 07:43:27,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:43:27,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575770753] [2022-11-08 07:43:27,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:27,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:43:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-08 07:43:28,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:43:28,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575770753] [2022-11-08 07:43:28,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575770753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:43:28,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:43:28,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:43:28,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299273674] [2022-11-08 07:43:28,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:43:28,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:43:28,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:43:28,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:43:28,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:43:28,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:28,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:43:28,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 58.6) internal successors, (293), 6 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:43:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:43:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-11-08 07:43:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-08 07:43:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-11-08 07:43:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-08 07:43:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:29,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:29,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:29,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:29,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:43:29,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:29,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:29,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:29,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:29,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:29,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:29,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-08 07:43:29,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-08 07:43:29,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-08 07:43:29,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-08 07:43:29,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:29,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-08 07:43:29,922 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting threadErr15ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:43:29,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:43:29,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1107471998, now seen corresponding path program 1 times [2022-11-08 07:43:29,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:43:29,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77989700] [2022-11-08 07:43:29,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:29,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:43:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-08 07:43:31,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:43:31,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77989700] [2022-11-08 07:43:31,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77989700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:43:31,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:43:31,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:43:31,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394598796] [2022-11-08 07:43:31,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:43:31,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:43:31,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:43:31,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:43:31,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:43:31,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:31,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:43:31,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 60.0) internal successors, (300), 6 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) [2022-11-08 07:43:31,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:31,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:31,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:31,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:43:31,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:31,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:31,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:31,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:31,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:31,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:31,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-11-08 07:43:31,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-08 07:43:31,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-11-08 07:43:31,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-08 07:43:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:32,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:43:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-08 07:43:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-08 07:43:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-08 07:43:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-08 07:43:32,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:32,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:32,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-08 07:43:32,522 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting threadErr17ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:43:32,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:43:32,523 INFO L85 PathProgramCache]: Analyzing trace with hash 891170137, now seen corresponding path program 1 times [2022-11-08 07:43:32,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:43:32,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015470786] [2022-11-08 07:43:32,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:32,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:43:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-08 07:43:33,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:43:33,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015470786] [2022-11-08 07:43:33,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015470786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:43:33,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:43:33,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-08 07:43:33,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735018378] [2022-11-08 07:43:33,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:43:33,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-08 07:43:33,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:43:33,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-08 07:43:33,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-08 07:43:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:33,671 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:43:33,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 66.2) internal successors, (331), 6 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:33,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-11-08 07:43:33,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-08 07:43:33,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-11-08 07:43:33,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-08 07:43:33,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:33,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:33,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:42,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:42,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:42,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:42,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:43:42,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-08 07:43:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-08 07:43:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-11-08 07:43:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-08 07:43:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:42,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:42,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:42,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-08 07:43:42,938 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting threadErr16ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:43:42,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:43:42,938 INFO L85 PathProgramCache]: Analyzing trace with hash 218844366, now seen corresponding path program 1 times [2022-11-08 07:43:42,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:43:42,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653301899] [2022-11-08 07:43:42,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:42,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:43:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-08 07:43:47,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:43:47,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653301899] [2022-11-08 07:43:47,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653301899] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:43:47,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175876620] [2022-11-08 07:43:47,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:47,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:43:47,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:43:47,722 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:43:47,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-08 07:43:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:48,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-08 07:43:48,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:43:49,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-08 07:43:49,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-08 07:43:49,587 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-08 07:43:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-08 07:43:49,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:43:50,370 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-08 07:43:50,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2022-11-08 07:43:50,401 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-08 07:43:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-08 07:43:50,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175876620] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:43:50,780 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:43:50,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 16, 16] total 53 [2022-11-08 07:43:50,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752115284] [2022-11-08 07:43:50,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:43:50,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-11-08 07:43:50,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:43:50,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-08 07:43:50,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=2546, Unknown=1, NotChecked=0, Total=2756 [2022-11-08 07:43:50,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:50,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:43:50,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 12.660377358490566) internal successors, (671), 53 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:43:50,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:50,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:50,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:50,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:43:50,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:50,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:43:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-11-08 07:43:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-08 07:43:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-11-08 07:43:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-08 07:43:50,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:50,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:50,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:43:50,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:45:28,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:45:28,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:45:28,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:45:28,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-08 07:45:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:45:28,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:45:28,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:45:28,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-11-08 07:45:28,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-08 07:45:28,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-11-08 07:45:28,513 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting threadErr16ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:45:28,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:45:28,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1733784908, now seen corresponding path program 1 times [2022-11-08 07:45:28,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:45:28,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423458589] [2022-11-08 07:45:28,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:45:28,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:45:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:45:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4011 backedges. 474 proven. 1343 refuted. 0 times theorem prover too weak. 2194 trivial. 0 not checked. [2022-11-08 07:45:32,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:45:32,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423458589] [2022-11-08 07:45:32,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423458589] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:45:32,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102797756] [2022-11-08 07:45:32,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:45:32,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:45:32,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:45:32,287 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:45:32,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-08 07:45:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:45:33,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 5634 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-08 07:45:33,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:45:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-08 07:45:34,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-08 07:45:35,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-08 07:45:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4011 backedges. 375 proven. 2 refuted. 0 times theorem prover too weak. 3634 trivial. 0 not checked. [2022-11-08 07:45:35,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:45:35,710 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-08 07:45:35,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2022-11-08 07:45:35,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-08 07:45:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4011 backedges. 367 proven. 10 refuted. 0 times theorem prover too weak. 3634 trivial. 0 not checked. [2022-11-08 07:45:36,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102797756] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:45:36,149 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:45:36,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16, 16] total 35 [2022-11-08 07:45:36,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906048077] [2022-11-08 07:45:36,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:45:36,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-08 07:45:36,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:45:36,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-08 07:45:36,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1088, Unknown=0, NotChecked=0, Total=1190 [2022-11-08 07:45:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:45:36,155 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:45:36,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 37.17142857142857) internal successors, (1301), 35 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:45:36,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:45:36,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:45:36,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:45:36,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:45:36,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:45:36,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:45:36,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:45:36,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:45:36,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:45:36,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:45:36,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-11-08 07:45:36,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-11-08 07:45:36,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2022-11-08 07:45:36,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-08 07:45:36,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:45:36,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:45:36,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:45:36,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-11-08 07:45:36,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-11-08 07:46:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-08 07:46:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-11-08 07:46:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-08 07:46:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:46:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:46:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:46:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-11-08 07:46:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-08 07:46:01,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-08 07:46:01,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-11-08 07:46:01,390 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:46:01,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:46:01,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1036803455, now seen corresponding path program 1 times [2022-11-08 07:46:01,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:46:01,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531936888] [2022-11-08 07:46:01,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:46:01,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:46:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:46:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-08 07:46:10,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:46:10,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531936888] [2022-11-08 07:46:10,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531936888] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:46:10,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647296174] [2022-11-08 07:46:10,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:46:10,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:46:10,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:46:10,027 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:46:10,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-08 07:46:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:46:10,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-08 07:46:10,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:46:13,205 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-08 07:46:13,206 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-11-08 07:46:13,299 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-08 07:46:13,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 16 [2022-11-08 07:46:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-08 07:46:13,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-08 07:46:13,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647296174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:46:13,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-08 07:46:13,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [49] total 71 [2022-11-08 07:46:13,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397479212] [2022-11-08 07:46:13,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:46:13,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-08 07:46:13,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:46:13,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-08 07:46:13,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=4731, Unknown=0, NotChecked=0, Total=4970 [2022-11-08 07:46:13,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:46:13,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:46:13,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 11.307692307692308) internal successors, (294), 26 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-11-08 07:46:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-11-08 07:46:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2022-11-08 07:46:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-08 07:46:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:46:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:46:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:46:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-11-08 07:46:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-11-08 07:46:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:49:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:49:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:49:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:49:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:49:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:49:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:49:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:49:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:49:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:49:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:49:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-11-08 07:49:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-08 07:49:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-11-08 07:49:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-08 07:49:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:49:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:49:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:49:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-11-08 07:49:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-08 07:49:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-08 07:49:13,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-08 07:49:13,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-11-08 07:49:13,394 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting threadErr17ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:49:13,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:49:13,395 INFO L85 PathProgramCache]: Analyzing trace with hash 756037939, now seen corresponding path program 1 times [2022-11-08 07:49:13,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:49:13,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397535067] [2022-11-08 07:49:13,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:49:13,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:49:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:49:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 13081 backedges. 4376 proven. 3851 refuted. 0 times theorem prover too weak. 4854 trivial. 0 not checked. [2022-11-08 07:49:21,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:49:21,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397535067] [2022-11-08 07:49:21,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397535067] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:49:21,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648504745] [2022-11-08 07:49:21,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:49:21,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:49:21,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:49:21,035 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:49:21,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-08 07:49:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:49:24,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 10588 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-08 07:49:24,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:49:34,978 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-08 07:49:36,323 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-08 07:49:36,324 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 208 [2022-11-08 07:49:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-08 07:49:36,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-08 07:49:36,412 INFO L356 Elim1Store]: treesize reduction 32, result has 57.3 percent of original size [2022-11-08 07:49:36,413 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 151 treesize of output 200 [2022-11-08 07:49:36,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 110 [2022-11-08 07:49:36,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-11-08 07:49:36,924 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-08 07:49:36,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 35 [2022-11-08 07:49:36,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-08 07:49:36,960 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-08 07:49:36,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 27 [2022-11-08 07:49:36,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2022-11-08 07:49:36,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-08 07:49:37,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-08 07:49:37,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-08 07:49:37,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-08 07:49:37,187 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-08 07:49:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 13081 backedges. 6994 proven. 590 refuted. 0 times theorem prover too weak. 5497 trivial. 0 not checked. [2022-11-08 07:49:37,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:49:37,691 INFO L356 Elim1Store]: treesize reduction 20, result has 63.6 percent of original size [2022-11-08 07:49:37,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 187 treesize of output 235 [2022-11-08 07:49:37,816 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-08 07:49:37,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 179 treesize of output 132 [2022-11-08 07:49:37,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 13 [2022-11-08 07:49:37,848 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-08 07:49:37,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 13 [2022-11-08 07:49:54,889 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-08 07:49:54,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 236 treesize of output 222 [2022-11-08 07:49:54,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-08 07:49:54,923 INFO L356 Elim1Store]: treesize reduction 15, result has 21.1 percent of original size [2022-11-08 07:49:54,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 234 treesize of output 210 [2022-11-08 07:49:54,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-08 07:49:54,951 INFO L356 Elim1Store]: treesize reduction 15, result has 21.1 percent of original size [2022-11-08 07:49:54,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 239 treesize of output 215 [2022-11-08 07:49:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 13081 backedges. 1823 proven. 5955 refuted. 0 times theorem prover too weak. 5303 trivial. 0 not checked. [2022-11-08 07:49:59,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648504745] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:49:59,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:49:59,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 21, 20] total 44 [2022-11-08 07:49:59,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147845475] [2022-11-08 07:49:59,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:49:59,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-08 07:49:59,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:49:59,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-08 07:49:59,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1725, Unknown=1, NotChecked=0, Total=1892 [2022-11-08 07:49:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:49:59,989 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:49:59,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 51.52272727272727) internal successors, (2267), 44 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:49:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:49:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:49:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:49:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:49:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:49:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:49:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:49:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:49:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:49:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-08 07:49:59,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:51:10,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:51:10,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:51:10,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:51:10,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:51:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:51:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:51:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-11-08 07:51:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-08 07:51:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-08 07:51:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-11-08 07:51:10,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-08 07:51:10,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-11-08 07:51:10,759 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting threadErr17ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:51:10,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:51:10,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1027739385, now seen corresponding path program 2 times [2022-11-08 07:51:10,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:51:10,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115914253] [2022-11-08 07:51:10,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:51:10,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:51:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:51:32,283 INFO L134 CoverageAnalysis]: Checked inductivity of 11715 backedges. 5352 proven. 1024 refuted. 0 times theorem prover too weak. 5339 trivial. 0 not checked. [2022-11-08 07:51:32,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:51:32,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115914253] [2022-11-08 07:51:32,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115914253] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:51:32,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62850135] [2022-11-08 07:51:32,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-08 07:51:32,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:51:32,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:51:32,286 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:51:32,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-08 07:51:38,198 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-08 07:51:38,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-08 07:51:38,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 8233 conjuncts, 101 conjunts are in the unsatisfiable core [2022-11-08 07:51:38,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:51:39,285 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-08 07:51:39,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-08 07:51:40,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-08 07:51:40,803 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-08 07:51:40,804 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-08 07:51:43,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-08 07:51:43,602 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-08 07:51:43,602 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-08 07:51:44,373 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-08 07:51:44,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-08 07:51:44,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-08 07:51:45,192 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-08 07:51:45,192 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-08 07:51:45,274 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-08 07:51:45,640 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-08 07:51:45,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-08 07:51:54,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-08 07:51:54,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-08 07:51:54,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-08 07:51:54,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-08 07:51:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-08 07:51:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-08 07:51:54,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-08 07:51:54,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-08 07:51:54,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-08 07:51:54,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-08 07:51:54,476 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-08 07:51:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 11715 backedges. 539 proven. 6530 refuted. 0 times theorem prover too weak. 4646 trivial. 0 not checked. [2022-11-08 07:51:54,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:51:54,665 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_22415 (Array Int Int))) (= (select (select (store |c_#race| |c_threadThread2of2ForFork0_atomic_store_~obj#1.base| v_ArrVal_22415) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) 0)) (forall ((v_ArrVal_22415 (Array Int Int))) (= (select (select (store |c_#race| |c_threadThread2of2ForFork0_atomic_store_~obj#1.base| v_ArrVal_22415) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) (+ |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset| 1)) 0))) is different from false [2022-11-08 07:51:54,884 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-08 07:51:54,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 29 [2022-11-08 07:51:54,890 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-08 07:51:54,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 26 [2022-11-08 07:51:54,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-08 07:52:09,873 INFO L356 Elim1Store]: treesize reduction 35, result has 28.6 percent of original size [2022-11-08 07:52:09,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 444 treesize of output 447 [2022-11-08 07:52:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 11715 backedges. 561 proven. 6447 refuted. 0 times theorem prover too weak. 4706 trivial. 1 not checked. [2022-11-08 07:52:09,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62850135] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:52:09,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:52:09,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 25, 17] total 54 [2022-11-08 07:52:09,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099128106] [2022-11-08 07:52:09,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:52:09,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-08 07:52:09,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:52:09,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-08 07:52:09,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=2552, Unknown=12, NotChecked=104, Total=2970 [2022-11-08 07:52:09,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:52:09,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:52:09,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 42.388888888888886) internal successors, (2289), 55 states have internal predecessors, (2289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:52:09,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:52:09,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:52:09,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:52:09,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:52:09,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:52:09,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:52:09,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:52:09,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:52:09,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:52:09,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:52:09,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-11-08 07:52:09,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-11-08 07:52:09,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2022-11-08 07:52:09,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-08 07:52:09,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:52:09,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:52:09,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:52:09,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-11-08 07:52:09,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-08 07:52:09,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-08 07:52:09,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-11-08 07:52:09,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:52:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:52:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:52:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:52:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:52:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:52:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:52:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-11-08 07:52:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-08 07:52:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-08 07:52:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-11-08 07:52:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-08 07:52:50,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-08 07:52:50,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-11-08 07:52:50,178 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting threadErr17ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-08 07:52:50,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:52:50,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1745472844, now seen corresponding path program 3 times [2022-11-08 07:52:50,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:52:50,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949059222] [2022-11-08 07:52:50,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:52:50,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:52:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:53:07,040 INFO L134 CoverageAnalysis]: Checked inductivity of 12056 backedges. 5477 proven. 601 refuted. 0 times theorem prover too weak. 5978 trivial. 0 not checked. [2022-11-08 07:53:07,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:53:07,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949059222] [2022-11-08 07:53:07,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949059222] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:53:07,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633226777] [2022-11-08 07:53:07,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-08 07:53:07,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:53:07,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:53:07,042 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:53:07,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea410a2e-194b-4d15-86ab-65ac3902bc71/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-08 07:53:12,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-08 07:53:12,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-08 07:53:12,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 2261 conjuncts, 113 conjunts are in the unsatisfiable core [2022-11-08 07:53:12,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:53:16,137 INFO L356 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2022-11-08 07:53:16,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 28 [2022-11-08 07:53:17,820 INFO L356 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2022-11-08 07:53:17,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 44 [2022-11-08 07:53:18,648 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-08 07:53:18,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 16 [2022-11-08 07:53:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 12056 backedges. 5619 proven. 12 refuted. 0 times theorem prover too weak. 6425 trivial. 0 not checked. [2022-11-08 07:53:18,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:53:20,157 INFO L356 Elim1Store]: treesize reduction 20, result has 63.6 percent of original size [2022-11-08 07:53:20,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 194 treesize of output 242 [2022-11-08 07:53:20,251 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-08 07:53:20,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 52 [2022-11-08 07:53:20,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2022-11-08 07:53:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12056 backedges. 5558 proven. 43 refuted. 0 times theorem prover too weak. 6455 trivial. 0 not checked. [2022-11-08 07:53:25,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633226777] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:53:25,328 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:53:25,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 35, 31] total 72 [2022-11-08 07:53:25,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510231615] [2022-11-08 07:53:25,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:53:25,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-11-08 07:53:25,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:53:25,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-11-08 07:53:25,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=4855, Unknown=0, NotChecked=0, Total=5112 [2022-11-08 07:53:25,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:53:25,337 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:53:25,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 25.291666666666668) internal successors, (1821), 72 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:53:25,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:53:25,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:53:25,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:53:25,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-08 07:53:25,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:53:25,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:53:25,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:53:25,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:53:25,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:53:25,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:53:25,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-11-08 07:53:25,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-11-08 07:53:25,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2022-11-08 07:53:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-08 07:53:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:53:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:53:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:53:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-11-08 07:53:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-08 07:53:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-08 07:53:25,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-11-08 07:53:25,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-11-08 07:53:25,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.