./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/11_fmaxsymopt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/11_fmaxsymopt.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --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 963498115a8eca6e92c68ab7fa8168826446f05b9b398350c3ee0745adf1bb45 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:18:24,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:18:24,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:18:24,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:18:24,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:18:24,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:18:24,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:18:24,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:18:24,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:18:24,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:18:24,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:18:24,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:18:24,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:18:24,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:18:24,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:18:24,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:18:24,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:18:24,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:18:24,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:18:24,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:18:24,730 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:18:24,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:18:24,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:18:24,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:18:24,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:18:24,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:18:24,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:18:24,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:18:24,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:18:24,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:18:24,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:18:24,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:18:24,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:18:24,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:18:24,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:18:24,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:18:24,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:18:24,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:18:24,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:18:24,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:18:24,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:18:24,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:18:24,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 17:18:24,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:18:24,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:18:24,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:18:24,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:18:24,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:18:24,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:18:24,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:18:24,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:18:24,785 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:18:24,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:18:24,786 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:18:24,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:18:24,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 17:18:24,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:18:24,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:18:24,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:18:24,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:18:24,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:18:24,788 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:18:24,788 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:18:24,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:18:24,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:18:24,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:18:24,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:18:24,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:18:24,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 17:18:24,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:18:24,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:18:24,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:18:24,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:18:24,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:18:24,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 17:18:24,792 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:18:24,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 17:18:24,792 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:18:24,792 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:18:24,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:18:24,793 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:18:24,793 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:18:24,793 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:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 963498115a8eca6e92c68ab7fa8168826446f05b9b398350c3ee0745adf1bb45 [2022-04-18 17:18:25,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:18:25,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:18:25,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:18:25,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:18:25,114 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:18:25,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/11_fmaxsymopt.i [2022-04-18 17:18:25,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/244ac37c5/20b0b373755f4ad9b9c2b02e9e83df26/FLAGf954cd453 [2022-04-18 17:18:25,679 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:18:25,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/11_fmaxsymopt.i [2022-04-18 17:18:25,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/244ac37c5/20b0b373755f4ad9b9c2b02e9e83df26/FLAGf954cd453 [2022-04-18 17:18:26,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/244ac37c5/20b0b373755f4ad9b9c2b02e9e83df26 [2022-04-18 17:18:26,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:18:26,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:18:26,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:18:26,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:18:26,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:18:26,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bb1c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26, skipping insertion in model container [2022-04-18 17:18:26,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:18:26,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:18:26,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/11_fmaxsymopt.i[30540,30553] [2022-04-18 17:18:26,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:18:26,498 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 17:18:26,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/11_fmaxsymopt.i[30540,30553] [2022-04-18 17:18:26,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:18:26,599 INFO L208 MainTranslator]: Completed translation [2022-04-18 17:18:26,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26 WrapperNode [2022-04-18 17:18:26,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:18:26,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 17:18:26,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 17:18:26,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 17:18:26,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,666 INFO L137 Inliner]: procedures = 171, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2022-04-18 17:18:26,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 17:18:26,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 17:18:26,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 17:18:26,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 17:18:26,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 17:18:26,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 17:18:26,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 17:18:26,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 17:18:26,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (1/1) ... [2022-04-18 17:18:26,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:18:26,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:18:26,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 17:18:26,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 17:18:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 17:18:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-04-18 17:18:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-04-18 17:18:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 17:18:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 17:18:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 17:18:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 17:18:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 17:18:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 17:18:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 17:18:26,812 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 17:18:26,963 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 17:18:26,965 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 17:18:27,176 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 17:18:27,214 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 17:18:27,214 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-18 17:18:27,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:18:27 BoogieIcfgContainer [2022-04-18 17:18:27,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 17:18:27,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 17:18:27,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 17:18:27,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 17:18:27,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 05:18:26" (1/3) ... [2022-04-18 17:18:27,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4a58d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:18:27, skipping insertion in model container [2022-04-18 17:18:27,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:18:26" (2/3) ... [2022-04-18 17:18:27,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4a58d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:18:27, skipping insertion in model container [2022-04-18 17:18:27,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:18:27" (3/3) ... [2022-04-18 17:18:27,225 INFO L111 eAbstractionObserver]: Analyzing ICFG 11_fmaxsymopt.i [2022-04-18 17:18:27,230 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 17:18:27,230 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 17:18:27,230 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-04-18 17:18:27,230 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 17:18:27,281 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 17:18:27,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:18:27,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:18:27,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 17:18:27,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-04-18 17:18:27,394 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2022-04-18 17:18:27,400 INFO L340 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 [2022-04-18 17:18:27,401 INFO L341 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-04-18 17:18:27,563 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:27,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:27,568 INFO L85 PathProgramCache]: Analyzing trace with hash -959547027, now seen corresponding path program 1 times [2022-04-18 17:18:27,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:27,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855506363] [2022-04-18 17:18:27,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:27,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:27,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 17:18:27,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:27,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855506363] [2022-04-18 17:18:27,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855506363] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:27,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:27,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:18:27,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953646253] [2022-04-18 17:18:27,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:27,812 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 17:18:27,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:27,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 17:18:27,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 17:18:27,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:27,836 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:27,837 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:27,909 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 17:18:27,910 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:27,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:27,911 INFO L85 PathProgramCache]: Analyzing trace with hash -594888087, now seen corresponding path program 1 times [2022-04-18 17:18:27,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:27,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585608002] [2022-04-18 17:18:27,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:27,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 17:18:27,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:27,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585608002] [2022-04-18 17:18:27,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585608002] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:27,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:27,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:18:27,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784903971] [2022-04-18 17:18:27,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:27,987 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:18:27,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:27,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:18:27,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:18:27,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:27,988 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:27,988 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:27,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:27,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,018 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 17:18:28,018 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:28,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:28,019 INFO L85 PathProgramCache]: Analyzing trace with hash -358456985, now seen corresponding path program 1 times [2022-04-18 17:18:28,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:28,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76819141] [2022-04-18 17:18:28,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:28,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 17:18:28,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:28,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76819141] [2022-04-18 17:18:28,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76819141] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:28,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:28,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:18:28,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792532136] [2022-04-18 17:18:28,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:28,223 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:18:28,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:28,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:18:28,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:18:28,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,224 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:28,224 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:28,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:28,306 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 17:18:28,306 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:28,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:28,307 INFO L85 PathProgramCache]: Analyzing trace with hash 103675898, now seen corresponding path program 1 times [2022-04-18 17:18:28,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:28,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761745888] [2022-04-18 17:18:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:28,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-18 17:18:28,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:28,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761745888] [2022-04-18 17:18:28,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761745888] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:28,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:28,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:18:28,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275246903] [2022-04-18 17:18:28,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:28,426 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:18:28,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:28,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:18:28,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:18:28,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,427 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:28,427 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:28,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:28,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:28,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,449 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 17:18:28,449 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:28,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:28,450 INFO L85 PathProgramCache]: Analyzing trace with hash 200978426, now seen corresponding path program 1 times [2022-04-18 17:18:28,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:28,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483833742] [2022-04-18 17:18:28,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:28,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-18 17:18:28,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:28,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483833742] [2022-04-18 17:18:28,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483833742] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:28,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:28,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:18:28,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723274562] [2022-04-18 17:18:28,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:28,503 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:18:28,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:28,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:18:28,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:18:28,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,504 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:28,505 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:28,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:28,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:28,845 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-04-18 17:18:28,845 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-04-18 17:18:28,846 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-04-18 17:18:28,846 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-04-18 17:18:28,846 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-04-18 17:18:28,847 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-04-18 17:18:28,847 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-04-18 17:18:28,847 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-04-18 17:18:28,847 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 17:18:28,861 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-04-18 17:18:28,863 INFO L306 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2022-04-18 17:18:28,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:18:28,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:18:28,876 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 17:18:28,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-04-18 17:18:28,878 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-04-18 17:18:28,879 INFO L340 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 [2022-04-18 17:18:28,879 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-18 17:18:28,925 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-04-18 17:18:28,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:28,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1959150742, now seen corresponding path program 1 times [2022-04-18 17:18:28,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:28,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831766979] [2022-04-18 17:18:28,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:28,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 17:18:28,965 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 17:18:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 17:18:29,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-18 17:18:29,007 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 17:18:29,007 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-04-18 17:18:29,007 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 17:18:29,008 INFO L719 BasicCegarLoop]: Path program histogram: [1] [2022-04-18 17:18:29,009 INFO L306 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2022-04-18 17:18:29,009 WARN L232 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-04-18 17:18:29,010 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-04-18 17:18:29,035 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 17:18:29,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:18:29,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:18:29,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 17:18:29,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-04-18 17:18:29,080 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-04-18 17:18:29,080 INFO L340 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 [2022-04-18 17:18:29,080 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-18 17:18:29,215 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-04-18 17:18:29,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:29,216 INFO L85 PathProgramCache]: Analyzing trace with hash -20400020, now seen corresponding path program 1 times [2022-04-18 17:18:29,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:29,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032280404] [2022-04-18 17:18:29,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:29,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-04-18 17:18:29,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:29,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032280404] [2022-04-18 17:18:29,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032280404] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:29,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:29,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:18:29,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825994968] [2022-04-18 17:18:29,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:29,297 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 17:18:29,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:29,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 17:18:29,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 17:18:29,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:29,298 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:29,298 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:29,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:29,317 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 17:18:29,318 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-04-18 17:18:29,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:29,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1284356360, now seen corresponding path program 1 times [2022-04-18 17:18:29,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:29,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3516825] [2022-04-18 17:18:29,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:29,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 17:18:29,354 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 17:18:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 17:18:29,387 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-18 17:18:29,388 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 17:18:29,388 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-04-18 17:18:29,388 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 17:18:29,390 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1] [2022-04-18 17:18:29,391 INFO L306 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2022-04-18 17:18:29,391 WARN L232 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-04-18 17:18:29,391 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-04-18 17:18:29,435 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 17:18:29,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:18:29,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:18:29,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 17:18:29,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-04-18 17:18:29,443 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2022-04-18 17:18:29,444 INFO L340 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 [2022-04-18 17:18:29,444 INFO L341 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-04-18 17:18:29,675 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:29,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:29,676 INFO L85 PathProgramCache]: Analyzing trace with hash 7821959, now seen corresponding path program 1 times [2022-04-18 17:18:29,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:29,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102151401] [2022-04-18 17:18:29,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:29,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-18 17:18:29,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:29,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102151401] [2022-04-18 17:18:29,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102151401] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:29,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:29,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:18:29,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318153487] [2022-04-18 17:18:29,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:29,738 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 17:18:29,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:29,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 17:18:29,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 17:18:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:29,739 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:29,739 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.5) internal successors, (107), 2 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) [2022-04-18 17:18:29,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:29,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:29,808 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 17:18:29,808 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:29,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:29,810 INFO L85 PathProgramCache]: Analyzing trace with hash -688104635, now seen corresponding path program 1 times [2022-04-18 17:18:29,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:29,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538398449] [2022-04-18 17:18:29,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:29,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-18 17:18:29,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:29,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538398449] [2022-04-18 17:18:29,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538398449] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:29,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:29,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:18:29,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642208987] [2022-04-18 17:18:29,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:29,882 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:18:29,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:29,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:18:29,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:18:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:29,883 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:29,883 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,009 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 17:18:30,010 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:30,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:30,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1471613161, now seen corresponding path program 1 times [2022-04-18 17:18:30,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:30,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177499688] [2022-04-18 17:18:30,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:30,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-18 17:18:30,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:30,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177499688] [2022-04-18 17:18:30,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177499688] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:30,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:30,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:18:30,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062766192] [2022-04-18 17:18:30,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:30,141 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:18:30,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:30,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:18:30,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:18:30,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,142 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:30,143 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:30,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:30,201 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 17:18:30,202 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:30,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:30,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2112253188, now seen corresponding path program 1 times [2022-04-18 17:18:30,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:30,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056610514] [2022-04-18 17:18:30,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:30,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-04-18 17:18:30,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:30,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056610514] [2022-04-18 17:18:30,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056610514] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:30,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:30,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:18:30,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36997955] [2022-04-18 17:18:30,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:30,254 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:18:30,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:30,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:18:30,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:18:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,255 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:30,255 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:30,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:30,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,283 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 17:18:30,283 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:30,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:30,283 INFO L85 PathProgramCache]: Analyzing trace with hash -452059050, now seen corresponding path program 1 times [2022-04-18 17:18:30,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:30,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455597995] [2022-04-18 17:18:30,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:30,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-04-18 17:18:30,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:30,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455597995] [2022-04-18 17:18:30,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455597995] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:30,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:30,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:18:30,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253916426] [2022-04-18 17:18:30,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:30,345 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:18:30,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:30,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:18:30,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:18:30,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,347 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:30,347 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:30,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,743 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 17:18:30,744 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:30,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:30,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2101509695, now seen corresponding path program 1 times [2022-04-18 17:18:30,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:30,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230610992] [2022-04-18 17:18:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-04-18 17:18:30,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:30,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230610992] [2022-04-18 17:18:30,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230610992] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:30,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:30,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:18:30,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039886182] [2022-04-18 17:18:30,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:30,782 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:18:30,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:30,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:18:30,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:18:30,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,783 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:30,783 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:30,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:30,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:30,950 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 17:18:30,950 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:30,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:30,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1704498482, now seen corresponding path program 1 times [2022-04-18 17:18:30,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:30,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816656088] [2022-04-18 17:18:30,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:30,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-18 17:18:31,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:31,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816656088] [2022-04-18 17:18:31,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816656088] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:18:31,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511126773] [2022-04-18 17:18:31,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:31,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:18:31,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:18:31,016 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:18:31,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-18 17:18:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:31,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 17:18:31,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:18:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-18 17:18:31,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:18:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-18 17:18:31,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511126773] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:18:31,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:18:31,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-04-18 17:18:31,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458055590] [2022-04-18 17:18:31,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:18:31,655 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 17:18:31,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:31,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 17:18:31,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-18 17:18:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:31,657 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:31,657 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:31,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:31,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-18 17:18:32,010 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-04-18 17:18:32,010 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:32,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:32,011 INFO L85 PathProgramCache]: Analyzing trace with hash -2142068866, now seen corresponding path program 1 times [2022-04-18 17:18:32,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:32,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808216444] [2022-04-18 17:18:32,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-18 17:18:32,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:32,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808216444] [2022-04-18 17:18:32,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808216444] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:18:32,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610829630] [2022-04-18 17:18:32,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:32,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:18:32,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:18:32,116 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:18:32,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-18 17:18:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:32,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 17:18:32,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:18:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-18 17:18:32,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:18:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-18 17:18:32,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610829630] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:18:32,672 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:18:32,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-04-18 17:18:32,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219960261] [2022-04-18 17:18:32,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:18:32,673 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 17:18:32,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:32,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 17:18:32,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-18 17:18:32,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:32,675 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:32,675 INFO L479 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) [2022-04-18 17:18:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:32,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:32,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-18 17:18:32,959 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-04-18 17:18:32,959 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:32,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:32,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1892177196, now seen corresponding path program 2 times [2022-04-18 17:18:32,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:32,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820252063] [2022-04-18 17:18:32,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:32,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-04-18 17:18:33,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:33,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820252063] [2022-04-18 17:18:33,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820252063] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:33,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:33,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-18 17:18:33,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956942799] [2022-04-18 17:18:33,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:33,058 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 17:18:33,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:33,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 17:18:33,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-04-18 17:18:33,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:33,059 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:33,060 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:33,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:33,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:18:33,162 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-18 17:18:33,163 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:33,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:33,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1600970422, now seen corresponding path program 1 times [2022-04-18 17:18:33,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:33,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949702846] [2022-04-18 17:18:33,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:33,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:33,243 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-04-18 17:18:33,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:33,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949702846] [2022-04-18 17:18:33,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949702846] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:18:33,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:18:33,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:18:33,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557961038] [2022-04-18 17:18:33,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:18:33,246 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:18:33,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:33,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:18:33,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:18:33,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:33,247 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:33,247 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:33,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:33,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:18:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:18:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:33,283 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-18 17:18:33,283 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:18:33,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:18:33,283 INFO L85 PathProgramCache]: Analyzing trace with hash -34747978, now seen corresponding path program 2 times [2022-04-18 17:18:33,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:18:33,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682414955] [2022-04-18 17:18:33,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:18:33,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:18:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:18:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-04-18 17:18:36,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:18:36,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682414955] [2022-04-18 17:18:36,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682414955] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:18:36,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803904557] [2022-04-18 17:18:36,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 17:18:36,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:18:36,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:18:36,846 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:18:36,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-18 17:18:37,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-18 17:18:37,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:18:37,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 78 conjunts are in the unsatisfiable core [2022-04-18 17:18:37,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:18:37,428 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:18:37,429 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 [2022-04-18 17:18:37,603 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 50 treesize of output 44 [2022-04-18 17:18:37,850 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 50 treesize of output 44 [2022-04-18 17:18:38,387 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 50 treesize of output 44 [2022-04-18 17:18:39,707 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 50 treesize of output 44 [2022-04-18 17:18:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:18:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:18:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:18:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:18:43,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:18:43,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:18:43,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:18:43,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:18:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:18:43,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:18:43,692 INFO L356 Elim1Store]: treesize reduction 33, result has 62.9 percent of original size [2022-04-18 17:18:43,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 65 treesize of output 80 [2022-04-18 17:18:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 19 proven. 38 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-04-18 17:18:45,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:18:47,724 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_458 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_458) |c_~#storage~0.base|)) (.cse3 (* |c_thr1Thread2of3ForFork0_findMax_#in~offset#1| 4))) (let ((.cse1 (select .cse2 (+ .cse3 4 |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= .cse1 (select .cse2 (+ .cse3 |c_~#storage~0.offset|))) (<= (select .cse2 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) 4 |c_~#storage~0.offset|)) .cse1) (<= 6 .cse0))))) is different from false [2022-04-18 17:18:47,757 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_458 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_458) |c_~#storage~0.base|)) (.cse3 (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4))) (let ((.cse2 (select .cse1 (+ .cse3 4 |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) 4 |c_~#storage~0.offset|)) .cse2) (<= .cse2 (select .cse1 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse0))))) is different from false [2022-04-18 17:18:48,136 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| 0) (forall ((v_ArrVal_458 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_458) |c_~#storage~0.base|)) (.cse3 (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4))) (let ((.cse2 (select .cse1 (+ .cse3 4 |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) 4 |c_~#storage~0.offset|)) .cse2) (<= .cse2 (select .cse1 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse0)))))) is different from false [2022-04-18 17:18:48,257 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| 0) (forall ((v_ArrVal_458 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_458) |c_~#storage~0.base|)) (.cse3 (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4))) (let ((.cse2 (select .cse1 (+ .cse3 4 |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) 4 |c_~#storage~0.offset|)) .cse2) (<= .cse2 (select .cse1 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse0)))))) is different from false [2022-04-18 17:18:48,421 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_458 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (|aux_div_thr1Thread2of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_458) |c_~#storage~0.base|)) (.cse4 (* |aux_div_thr1Thread2of3ForFork0_~offset~0#1_44| 8))) (let ((.cse1 (* 2 |aux_div_thr1Thread2of3ForFork0_~offset~0#1_44|)) (.cse3 (select .cse2 (+ .cse4 4 |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (< .cse1 0) (<= (select .cse2 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) 4 |c_~#storage~0.offset|)) .cse3) (<= 6 .cse1) (<= .cse3 (select .cse2 (+ .cse4 |c_~#storage~0.offset|))) (<= 6 .cse0))))) is different from false [2022-04-18 17:18:51,674 INFO L356 Elim1Store]: treesize reduction 327, result has 13.7 percent of original size [2022-04-18 17:18:51,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 141 treesize of output 129 [2022-04-18 17:18:51,693 INFO L356 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2022-04-18 17:18:51,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 15 [2022-04-18 17:18:51,847 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:18:51,847 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 13 treesize of output 12 [2022-04-18 17:18:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 13 trivial. 23 not checked. [2022-04-18 17:18:51,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803904557] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:18:51,906 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:18:51,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 41, 38] total 99 [2022-04-18 17:18:51,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71969533] [2022-04-18 17:18:51,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:18:51,908 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2022-04-18 17:18:51,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:18:51,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2022-04-18 17:18:51,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=8339, Unknown=7, NotChecked=940, Total=9702 [2022-04-18 17:18:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:51,920 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:18:51,921 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 4.737373737373737) internal successors, (469), 99 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:18:51,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:18:51,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:51,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:51,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:51,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:51,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:51,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:51,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:18:51,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:18:51,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:18:51,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-18 17:19:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:18,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-04-18 17:19:18,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-04-18 17:19:19,015 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:19:19,016 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:19:19,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:19:19,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1727263098, now seen corresponding path program 1 times [2022-04-18 17:19:19,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:19:19,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215266146] [2022-04-18 17:19:19,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:19:19,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:19:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:19:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-18 17:19:19,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:19:19,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215266146] [2022-04-18 17:19:19,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215266146] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:19:19,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:19:19,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-18 17:19:19,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675357055] [2022-04-18 17:19:19,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:19:19,107 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 17:19:19,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:19:19,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 17:19:19,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-04-18 17:19:19,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:19,108 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:19:19,109 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:19:19,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:19,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:19,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:19,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-04-18 17:19:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-04-18 17:19:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-04-18 17:19:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:19:19,462 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-18 17:19:19,462 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:19:19,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:19:19,462 INFO L85 PathProgramCache]: Analyzing trace with hash -182853516, now seen corresponding path program 1 times [2022-04-18 17:19:19,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:19:19,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264397938] [2022-04-18 17:19:19,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:19:19,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:19:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:19:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-04-18 17:19:21,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:19:21,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264397938] [2022-04-18 17:19:21,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264397938] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:19:21,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965898514] [2022-04-18 17:19:21,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:19:21,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:19:21,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:19:21,660 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:19:21,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-18 17:19:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:19:22,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 80 conjunts are in the unsatisfiable core [2022-04-18 17:19:22,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:19:22,355 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:19:22,355 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 [2022-04-18 17:19:22,444 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 41 treesize of output 37 [2022-04-18 17:19:22,634 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 41 treesize of output 37 [2022-04-18 17:19:22,999 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 41 treesize of output 37 [2022-04-18 17:19:23,968 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 41 treesize of output 37 [2022-04-18 17:19:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:19:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:19:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:19:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:19:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:19:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:19:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:19:27,394 INFO L356 Elim1Store]: treesize reduction 84, result has 16.8 percent of original size [2022-04-18 17:19:27,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 62 treesize of output 38 [2022-04-18 17:19:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-04-18 17:19:27,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:19:29,610 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45| Int) (v_ArrVal_596 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_596) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|))) (.cse2 (* |aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45| 8)) (.cse3 (* 2 |aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45|))) (or (<= .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (<= 6 .cse3) (< .cse3 0))))) is different from false [2022-04-18 17:19:29,644 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| 0) (forall ((|aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45| Int) (v_ArrVal_596 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_596) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|))) (.cse2 (* |aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45| 8)) (.cse3 (* 2 |aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45|))) (or (<= .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (<= 6 .cse3) (< .cse3 0)))))) is different from false [2022-04-18 17:19:29,704 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| 0) (forall ((|aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45| Int) (v_ArrVal_596 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_596) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|))) (.cse2 (* |aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45| 8)) (.cse3 (* 2 |aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45|))) (or (<= .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (<= 6 .cse3) (< .cse3 0)))))) is different from false [2022-04-18 17:19:30,051 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread2of3ForFork0_#t~nondet8#1_45| Int) (|aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45| Int) (v_ArrVal_596 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_596) |c_~#storage~0.base|))) (let ((.cse4 (* 2 |aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45|)) (.cse3 (* 2 |aux_div_thr1Thread2of3ForFork0_#t~nondet8#1_45|)) (.cse0 (select .cse1 (+ (* 8 |aux_div_thr1Thread2of3ForFork0_#t~nondet8#1_45|) |c_~#storage~0.offset|))) (.cse2 (* |aux_div_thr1Thread3of3ForFork0_#t~nondet8#1_45| 8))) (or (<= .cse0 (+ (select .cse1 (+ .cse2 |c_~#storage~0.offset|)) 1)) (< .cse3 0) (<= 6 .cse4) (< .cse4 0) (<= 6 .cse3) (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))))))) is different from false [2022-04-18 17:19:32,897 INFO L356 Elim1Store]: treesize reduction 264, result has 6.7 percent of original size [2022-04-18 17:19:32,898 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 131 treesize of output 94 [2022-04-18 17:19:32,909 INFO L356 Elim1Store]: treesize reduction 44, result has 13.7 percent of original size [2022-04-18 17:19:32,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 16 [2022-04-18 17:19:32,968 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:19:32,968 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 13 treesize of output 12 [2022-04-18 17:19:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 7 trivial. 26 not checked. [2022-04-18 17:19:33,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965898514] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:19:33,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:19:33,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 36, 37] total 94 [2022-04-18 17:19:33,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914216954] [2022-04-18 17:19:33,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:19:33,022 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-04-18 17:19:33,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:19:33,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-04-18 17:19:33,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=7581, Unknown=6, NotChecked=716, Total=8742 [2022-04-18 17:19:33,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:33,026 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:19:33,027 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.946808510638298) internal successors, (465), 94 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:19:33,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:33,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:33,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:33,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:33,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:33,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:33,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:33,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:33,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:19:33,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:33,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-04-18 17:19:33,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:19:33,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-18 17:19:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-04-18 17:19:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:19:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-04-18 17:19:55,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-04-18 17:19:55,743 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:19:55,744 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:19:55,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:19:55,744 INFO L85 PathProgramCache]: Analyzing trace with hash -764613564, now seen corresponding path program 1 times [2022-04-18 17:19:55,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:19:55,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548802146] [2022-04-18 17:19:55,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:19:55,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:19:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:19:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-18 17:19:55,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:19:55,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548802146] [2022-04-18 17:19:55,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548802146] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:19:55,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:19:55,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-18 17:19:55,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194138956] [2022-04-18 17:19:55,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:19:55,842 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 17:19:55,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:19:55,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 17:19:55,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-04-18 17:19:55,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:55,844 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:19:55,844 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:19:55,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-04-18 17:19:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-04-18 17:19:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:19:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-04-18 17:19:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:59,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-04-18 17:19:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:19:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-04-18 17:19:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:19:59,695 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-18 17:19:59,695 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:19:59,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:19:59,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1634150652, now seen corresponding path program 2 times [2022-04-18 17:19:59,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:19:59,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087846282] [2022-04-18 17:19:59,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:19:59,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:19:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:20:01,845 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-04-18 17:20:01,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:20:01,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087846282] [2022-04-18 17:20:01,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087846282] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:20:01,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135325918] [2022-04-18 17:20:01,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 17:20:01,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:20:01,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:20:01,847 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:20:01,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-18 17:20:02,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-18 17:20:02,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:20:02,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 72 conjunts are in the unsatisfiable core [2022-04-18 17:20:02,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:20:02,466 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:20:02,466 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 [2022-04-18 17:20:02,560 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 41 treesize of output 37 [2022-04-18 17:20:02,759 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 41 treesize of output 37 [2022-04-18 17:20:03,086 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 41 treesize of output 37 [2022-04-18 17:20:04,058 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 41 treesize of output 37 [2022-04-18 17:20:07,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:07,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:07,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:07,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:07,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:07,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:07,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:07,465 INFO L356 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2022-04-18 17:20:07,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 60 treesize of output 38 [2022-04-18 17:20:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-04-18 17:20:08,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:20:09,822 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_734 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_734) |c_~#storage~0.base|)) (.cse3 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (let ((.cse1 (select .cse0 (+ .cse3 4 |c_~#storage~0.offset|))) (.cse2 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= (select .cse0 (+ (* |c_thr1Thread2of3ForFork0_findMax_#in~offset#1| 4) |c_~#storage~0.offset|)) .cse1) (< .cse2 0) (<= .cse1 (select .cse0 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse2))))) is different from false [2022-04-18 17:20:09,840 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_734 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_734) |c_~#storage~0.base|)) (.cse3 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (let ((.cse2 (select .cse1 (+ .cse3 4 |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= (select .cse1 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|)) .cse2) (<= .cse2 (select .cse1 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse0))))) is different from false [2022-04-18 17:20:10,006 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_734 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_734) |c_~#storage~0.base|)) (.cse3 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (let ((.cse2 (select .cse1 (+ .cse3 4 |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= (select .cse1 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|)) .cse2) (<= .cse2 (select .cse1 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse0))))) (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| 0)) is different from false [2022-04-18 17:20:10,087 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_734 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_734) |c_~#storage~0.base|)) (.cse3 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (let ((.cse2 (select .cse1 (+ .cse3 4 |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= (select .cse1 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|)) .cse2) (<= .cse2 (select .cse1 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse0))))) (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| 0)) is different from false [2022-04-18 17:20:10,216 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_734 (Array Int Int)) (|aux_div_thr1Thread2of3ForFork0_~offset~0#1_44| Int) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_734) |c_~#storage~0.base|)) (.cse4 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (let ((.cse3 (select .cse2 (+ .cse4 4 |c_~#storage~0.offset|))) (.cse1 (* 2 |aux_div_thr1Thread2of3ForFork0_~offset~0#1_44|)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (< .cse1 0) (<= (select .cse2 (+ (* |aux_div_thr1Thread2of3ForFork0_~offset~0#1_44| 8) |c_~#storage~0.offset|)) .cse3) (<= .cse3 (select .cse2 (+ .cse4 |c_~#storage~0.offset|))) (<= 6 .cse1) (<= 6 .cse0))))) is different from false [2022-04-18 17:20:13,032 INFO L356 Elim1Store]: treesize reduction 264, result has 6.7 percent of original size [2022-04-18 17:20:13,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 129 treesize of output 91 [2022-04-18 17:20:13,045 INFO L356 Elim1Store]: treesize reduction 44, result has 13.7 percent of original size [2022-04-18 17:20:13,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 22 [2022-04-18 17:20:13,120 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:20:13,121 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 13 treesize of output 12 [2022-04-18 17:20:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 23 not checked. [2022-04-18 17:20:13,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135325918] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:20:13,170 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:20:13,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 38, 35] total 94 [2022-04-18 17:20:13,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271278066] [2022-04-18 17:20:13,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:20:13,172 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-04-18 17:20:13,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:20:13,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-04-18 17:20:13,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=7375, Unknown=7, NotChecked=890, Total=8742 [2022-04-18 17:20:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:20:13,174 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:20:13,174 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.914893617021277) internal successors, (462), 94 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:20:13,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:20:13,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:20:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:20:36,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:20:36,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:36,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:36,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:20:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-04-18 17:20:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:20:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-04-18 17:20:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:20:36,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-04-18 17:20:36,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-18 17:20:36,835 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:20:36,835 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:20:36,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:20:36,836 INFO L85 PathProgramCache]: Analyzing trace with hash 843057761, now seen corresponding path program 1 times [2022-04-18 17:20:36,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:20:36,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023557093] [2022-04-18 17:20:36,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:20:36,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:20:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:20:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-04-18 17:20:36,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:20:36,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023557093] [2022-04-18 17:20:36,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023557093] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:20:36,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999951105] [2022-04-18 17:20:36,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:20:36,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:20:36,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:20:36,940 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:20:36,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-18 17:20:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:20:37,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2022-04-18 17:20:37,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:20:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-04-18 17:20:37,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:20:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-04-18 17:20:37,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999951105] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:20:37,854 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:20:37,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2022-04-18 17:20:37,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359478419] [2022-04-18 17:20:37,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:20:37,855 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-18 17:20:37,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:20:37,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-18 17:20:37,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-04-18 17:20:37,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:20:37,855 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:20:37,856 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 17.0) internal successors, (272), 16 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-04-18 17:20:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:20:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:20:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:20:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-04-18 17:20:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:20:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-04-18 17:20:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:20:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-04-18 17:20:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-18 17:20:38,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-18 17:20:38,398 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-04-18 17:20:38,399 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:20:38,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:20:38,399 INFO L85 PathProgramCache]: Analyzing trace with hash 716967855, now seen corresponding path program 2 times [2022-04-18 17:20:38,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:20:38,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438724443] [2022-04-18 17:20:38,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:20:38,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:20:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:20:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 25 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-18 17:20:39,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:20:39,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438724443] [2022-04-18 17:20:39,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438724443] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:20:39,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052669456] [2022-04-18 17:20:39,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 17:20:39,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:20:39,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:20:39,495 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:20:39,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-04-18 17:20:39,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-18 17:20:39,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:20:39,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 74 conjunts are in the unsatisfiable core [2022-04-18 17:20:39,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:20:40,073 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:20:40,074 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 [2022-04-18 17:20:40,159 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 32 treesize of output 30 [2022-04-18 17:20:40,315 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 32 treesize of output 30 [2022-04-18 17:20:40,635 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 32 treesize of output 30 [2022-04-18 17:20:41,528 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 32 treesize of output 30 [2022-04-18 17:20:44,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:44,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:44,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:44,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:20:44,787 INFO L356 Elim1Store]: treesize reduction 25, result has 66.7 percent of original size [2022-04-18 17:20:44,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 68 [2022-04-18 17:20:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 19 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-04-18 17:20:45,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:20:47,256 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_906 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse3 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_906) |c_~#storage~0.base|))) (let ((.cse1 (select .cse2 (+ (* |c_thr1Thread2of3ForFork0_findMax_#in~offset#1| 4) |c_~#storage~0.offset|))) (.cse4 (select .cse2 (+ .cse3 |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= .cse1 (select .cse2 (+ .cse3 4 |c_~#storage~0.offset|))) (<= .cse1 (+ .cse4 1)) (< 0 (+ .cse4 2147483648)) (<= 6 .cse0))))) is different from false [2022-04-18 17:20:47,277 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_906 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse4 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse3 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_906) |c_~#storage~0.base|))) (let ((.cse0 (select .cse3 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|))) (.cse1 (select .cse3 (+ .cse4 |c_~#storage~0.offset|))) (.cse2 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (+ .cse1 1)) (< .cse2 0) (<= .cse0 (select .cse3 (+ .cse4 4 |c_~#storage~0.offset|))) (< 0 (+ .cse1 2147483648)) (<= 6 .cse2))))) is different from false [2022-04-18 17:20:47,480 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| 0) (forall ((v_ArrVal_906 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse4 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse3 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_906) |c_~#storage~0.base|))) (let ((.cse0 (select .cse3 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|))) (.cse1 (select .cse3 (+ .cse4 |c_~#storage~0.offset|))) (.cse2 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (+ .cse1 1)) (< .cse2 0) (<= .cse0 (select .cse3 (+ .cse4 4 |c_~#storage~0.offset|))) (< 0 (+ .cse1 2147483648)) (<= 6 .cse2)))))) is different from false [2022-04-18 17:20:47,552 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| 0) (forall ((v_ArrVal_906 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse4 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse3 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_906) |c_~#storage~0.base|))) (let ((.cse0 (select .cse3 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|))) (.cse1 (select .cse3 (+ .cse4 |c_~#storage~0.offset|))) (.cse2 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (+ .cse1 1)) (< .cse2 0) (<= .cse0 (select .cse3 (+ .cse4 4 |c_~#storage~0.offset|))) (< 0 (+ .cse1 2147483648)) (<= 6 .cse2)))))) is different from false [2022-04-18 17:20:47,686 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_906 (Array Int Int)) (|aux_div_thr1Thread2of3ForFork0_~offset~0#1_44| Int) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_906) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* |aux_div_thr1Thread2of3ForFork0_~offset~0#1_44| 8) |c_~#storage~0.offset|))) (.cse5 (* 2 |aux_div_thr1Thread2of3ForFork0_~offset~0#1_44|)) (.cse3 (select .cse1 (+ .cse2 |c_~#storage~0.offset|))) (.cse4 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (<= .cse0 (+ .cse3 1)) (< .cse4 0) (< .cse5 0) (<= 6 .cse5) (< 0 (+ .cse3 2147483648)) (<= 6 .cse4))))) is different from false [2022-04-18 17:20:51,550 INFO L356 Elim1Store]: treesize reduction 148, result has 28.2 percent of original size [2022-04-18 17:20:51,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 154 treesize of output 154 [2022-04-18 17:20:51,561 INFO L356 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2022-04-18 17:20:51,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 26 [2022-04-18 17:20:51,680 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:20:51,681 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 13 treesize of output 12 [2022-04-18 17:20:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 23 not checked. [2022-04-18 17:20:51,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052669456] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:20:51,723 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:20:51,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 41, 35] total 88 [2022-04-18 17:20:51,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321624845] [2022-04-18 17:20:51,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:20:51,723 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-04-18 17:20:51,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:20:51,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-04-18 17:20:51,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=6422, Unknown=7, NotChecked=830, Total=7656 [2022-04-18 17:20:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:20:51,725 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:20:51,726 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 5.159090909090909) internal successors, (454), 88 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:20:51,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:20:51,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:51,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:51,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:51,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:51,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:51,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:20:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:20:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:20:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-04-18 17:20:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:20:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-04-18 17:20:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:20:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-04-18 17:20:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-04-18 17:20:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:21:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:21:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-04-18 17:21:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:21:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-04-18 17:21:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:21:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-04-18 17:21:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-18 17:21:43,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-04-18 17:21:43,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-04-18 17:21:43,243 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:21:43,244 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:21:43,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:21:43,244 INFO L85 PathProgramCache]: Analyzing trace with hash -228071982, now seen corresponding path program 1 times [2022-04-18 17:21:43,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:21:43,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945696682] [2022-04-18 17:21:43,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:21:43,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:21:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:21:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-04-18 17:21:43,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:21:43,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945696682] [2022-04-18 17:21:43,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945696682] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:21:43,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572256328] [2022-04-18 17:21:43,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:21:43,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:21:43,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:21:43,337 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:21:43,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-04-18 17:21:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:21:43,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2022-04-18 17:21:43,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:21:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-04-18 17:21:43,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:21:43,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572256328] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:21:43,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 17:21:43,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 12 [2022-04-18 17:21:43,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589819102] [2022-04-18 17:21:43,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:21:43,894 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 17:21:43,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:21:43,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 17:21:43,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-04-18 17:21:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:21:43,895 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:21:43,895 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:21:43,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:21:43,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:21:43,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:21:43,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:21:43,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:21:43,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:21:43,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:21:43,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:21:43,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:21:43,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:21:43,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-04-18 17:21:43,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:21:43,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-04-18 17:21:43,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:21:43,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-04-18 17:21:43,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-04-18 17:21:43,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-04-18 17:21:43,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:22:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:22:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:22:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:22:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:22:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:22:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:22:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:22:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:22:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:22:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:22:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-04-18 17:22:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:22:30,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-04-18 17:22:30,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:22:30,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-04-18 17:22:30,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-18 17:22:30,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-04-18 17:22:30,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:22:30,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-04-18 17:22:30,219 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-04-18 17:22:30,220 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:22:30,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:22:30,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2075715482, now seen corresponding path program 1 times [2022-04-18 17:22:30,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:22:30,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301213339] [2022-04-18 17:22:30,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:22:30,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:22:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:22:32,924 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-04-18 17:22:32,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:22:32,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301213339] [2022-04-18 17:22:32,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301213339] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:22:32,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49480601] [2022-04-18 17:22:32,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:22:32,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:22:32,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:22:32,926 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:22:32,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-04-18 17:22:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:22:33,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 74 conjunts are in the unsatisfiable core [2022-04-18 17:22:33,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:22:33,514 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:22:33,514 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 [2022-04-18 17:22:33,602 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 41 treesize of output 37 [2022-04-18 17:22:33,772 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 41 treesize of output 37 [2022-04-18 17:22:34,122 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 41 treesize of output 37 [2022-04-18 17:22:35,067 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 41 treesize of output 37 [2022-04-18 17:22:37,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:22:37,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:22:37,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:22:37,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:22:37,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:22:37,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:22:37,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:22:37,905 INFO L356 Elim1Store]: treesize reduction 76, result has 18.3 percent of original size [2022-04-18 17:22:37,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 60 treesize of output 38 [2022-04-18 17:22:38,574 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 19 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-04-18 17:22:38,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:22:39,995 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1079 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1079) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (.cse2 (* |c_thr1Thread2of3ForFork0_findMax_#in~offset#1| 4)) (.cse3 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ .cse2 |c_~#storage~0.offset|))) (< .cse3 0) (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (<= 6 .cse3))))) is different from false [2022-04-18 17:22:40,011 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1079 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1079) |c_~#storage~0.base|))) (let ((.cse1 (select .cse2 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (.cse3 (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= .cse1 (select .cse2 (+ .cse3 4 |c_~#storage~0.offset|))) (<= .cse1 (select .cse2 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse0))))) is different from false [2022-04-18 17:22:40,158 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_1079 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1079) |c_~#storage~0.base|))) (let ((.cse1 (select .cse2 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (.cse3 (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= .cse1 (select .cse2 (+ .cse3 4 |c_~#storage~0.offset|))) (<= .cse1 (select .cse2 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse0))))) (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| 0)) is different from false [2022-04-18 17:22:40,212 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_1079 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1079) |c_~#storage~0.base|))) (let ((.cse1 (select .cse2 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (.cse3 (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= .cse1 (select .cse2 (+ .cse3 4 |c_~#storage~0.offset|))) (<= .cse1 (select .cse2 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse0))))) (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| 0)) is different from false [2022-04-18 17:22:40,568 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread2of3ForFork0_#t~nondet8#1_45| Int) (v_ArrVal_1079 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1079) |c_~#storage~0.base|))) (let ((.cse3 (* 2 |aux_div_thr1Thread2of3ForFork0_#t~nondet8#1_45|)) (.cse0 (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (.cse2 (* 8 |aux_div_thr1Thread2of3ForFork0_#t~nondet8#1_45|)) (.cse4 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ .cse2 |c_~#storage~0.offset|))) (< .cse3 0) (< .cse4 0) (<= 6 .cse3) (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (<= 6 .cse4))))) is different from false [2022-04-18 17:22:42,943 INFO L356 Elim1Store]: treesize reduction 264, result has 6.7 percent of original size [2022-04-18 17:22:42,943 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 127 treesize of output 90 [2022-04-18 17:22:42,957 INFO L356 Elim1Store]: treesize reduction 44, result has 13.7 percent of original size [2022-04-18 17:22:42,957 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 14 [2022-04-18 17:22:43,018 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:22:43,019 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 13 treesize of output 12 [2022-04-18 17:22:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 7 trivial. 28 not checked. [2022-04-18 17:22:43,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49480601] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:22:43,071 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:22:43,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 35, 35] total 92 [2022-04-18 17:22:43,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757913201] [2022-04-18 17:22:43,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:22:43,072 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-04-18 17:22:43,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:22:43,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-04-18 17:22:43,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=7065, Unknown=12, NotChecked=870, Total=8372 [2022-04-18 17:22:43,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:22:43,074 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:22:43,075 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.804347826086956) internal successors, (442), 92 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:22:43,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:22:43,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:22:43,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:22:43,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:22:43,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:22:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:22:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:22:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:22:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:22:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:22:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2022-04-18 17:22:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:22:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-04-18 17:22:43,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:22:43,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-04-18 17:22:43,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-04-18 17:22:43,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-04-18 17:22:43,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:22:43,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:23:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-04-18 17:23:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:23:46,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-04-18 17:23:46,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:23:46,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-04-18 17:23:46,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-04-18 17:23:47,038 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-04-18 17:23:47,039 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:23:47,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:23:47,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1957473841, now seen corresponding path program 3 times [2022-04-18 17:23:47,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:23:47,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637959721] [2022-04-18 17:23:47,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:23:47,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:23:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:23:49,977 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-04-18 17:23:49,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:23:49,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637959721] [2022-04-18 17:23:49,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637959721] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:23:49,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345430431] [2022-04-18 17:23:49,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-18 17:23:49,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:23:49,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:23:49,979 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:23:49,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-04-18 17:23:50,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-04-18 17:23:50,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:23:50,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 56 conjunts are in the unsatisfiable core [2022-04-18 17:23:50,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:23:50,673 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:23:50,673 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 [2022-04-18 17:23:50,755 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 32 treesize of output 30 [2022-04-18 17:23:50,937 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 32 treesize of output 30 [2022-04-18 17:23:51,245 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 32 treesize of output 30 [2022-04-18 17:23:52,089 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 32 treesize of output 30 [2022-04-18 17:23:53,485 INFO L356 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2022-04-18 17:23:53,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 22 [2022-04-18 17:23:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 24 proven. 31 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-04-18 17:23:54,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:23:55,686 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1168 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1168) |c_~#storage~0.base|))) (<= (select .cse0 (+ (* |c_thr1Thread2of3ForFork0_findMax_#in~offset#1| 4) |c_~#storage~0.offset|)) (select .cse0 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (< .cse1 0) (<= 6 .cse1)))) is different from false [2022-04-18 17:23:55,702 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1168 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1168) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|)) (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse0)))) is different from false [2022-04-18 17:23:55,801 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| 0) (forall ((v_ArrVal_1168 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1168) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|)) (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse0))))) is different from false [2022-04-18 17:23:55,836 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| 0) (forall ((v_ArrVal_1168 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1168) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4) |c_~#storage~0.offset|)) (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse0))))) is different from false [2022-04-18 17:23:55,907 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1168 (Array Int Int)) (|aux_div_thr1Thread2of3ForFork0_~offset~0#1_44| Int) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (* 2 |aux_div_thr1Thread2of3ForFork0_~offset~0#1_44|)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (< .cse1 0) (<= 6 .cse1) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1168) |c_~#storage~0.base|))) (<= (select .cse2 (+ (* |aux_div_thr1Thread2of3ForFork0_~offset~0#1_44| 8) |c_~#storage~0.offset|)) (select .cse2 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse0)))) is different from false [2022-04-18 17:23:57,623 INFO L356 Elim1Store]: treesize reduction 120, result has 7.0 percent of original size [2022-04-18 17:23:57,623 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 48 [2022-04-18 17:23:57,644 INFO L356 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-04-18 17:23:57,645 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 15 treesize of output 11 [2022-04-18 17:23:57,705 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:23:57,706 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 13 treesize of output 12 [2022-04-18 17:23:57,754 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 13 trivial. 23 not checked. [2022-04-18 17:23:57,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345430431] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:23:57,754 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:23:57,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 31] total 85 [2022-04-18 17:23:57,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324922150] [2022-04-18 17:23:57,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:23:57,755 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2022-04-18 17:23:57,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:23:57,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2022-04-18 17:23:57,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=5967, Unknown=8, NotChecked=800, Total=7140 [2022-04-18 17:23:57,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:23:57,757 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:23:57,758 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 5.141176470588236) internal successors, (437), 85 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:23:57,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-04-18 17:23:57,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-04-18 17:24:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:24:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-04-18 17:24:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:24:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-04-18 17:24:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-04-18 17:24:07,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-04-18 17:24:07,438 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-04-18 17:24:07,439 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:24:07,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:24:07,439 INFO L85 PathProgramCache]: Analyzing trace with hash 951546246, now seen corresponding path program 2 times [2022-04-18 17:24:07,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:24:07,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435944668] [2022-04-18 17:24:07,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:24:07,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:24:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:24:11,423 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-04-18 17:24:11,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:24:11,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435944668] [2022-04-18 17:24:11,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435944668] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:24:11,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365120226] [2022-04-18 17:24:11,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 17:24:11,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:24:11,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:24:11,424 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:24:11,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-04-18 17:24:11,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-18 17:24:11,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:24:11,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 62 conjunts are in the unsatisfiable core [2022-04-18 17:24:11,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:24:12,118 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:24:12,118 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 [2022-04-18 17:24:12,224 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 41 treesize of output 37 [2022-04-18 17:24:12,412 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 41 treesize of output 37 [2022-04-18 17:24:12,783 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 41 treesize of output 37 [2022-04-18 17:24:13,768 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 41 treesize of output 37 [2022-04-18 17:24:17,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:24:17,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:24:17,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:24:17,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:24:17,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:24:17,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:24:17,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:24:17,540 INFO L356 Elim1Store]: treesize reduction 84, result has 16.8 percent of original size [2022-04-18 17:24:17,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 62 treesize of output 38 [2022-04-18 17:24:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 19 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-04-18 17:24:17,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:24:19,421 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1256 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1256) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (.cse2 (* |c_thr1Thread2of3ForFork0_findMax_#in~offset#1| 4)) (.cse3 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (< .cse3 0) (<= .cse0 (select .cse1 (+ .cse2 |c_~#storage~0.offset|))) (<= 6 .cse3))))) is different from false [2022-04-18 17:24:19,437 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1256 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1256) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (.cse2 (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4)) (.cse3 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (< .cse3 0) (<= .cse0 (select .cse1 (+ .cse2 |c_~#storage~0.offset|))) (<= 6 .cse3))))) is different from false [2022-04-18 17:24:19,605 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| 0) (forall ((v_ArrVal_1256 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1256) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (.cse2 (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4)) (.cse3 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (< .cse3 0) (<= .cse0 (select .cse1 (+ .cse2 |c_~#storage~0.offset|))) (<= 6 .cse3)))))) is different from false [2022-04-18 17:24:19,668 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| 0) (forall ((v_ArrVal_1256 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1256) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (.cse2 (* |c_thr1Thread2of3ForFork0_~offset~0#1| 4)) (.cse3 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (< .cse3 0) (<= .cse0 (select .cse1 (+ .cse2 |c_~#storage~0.offset|))) (<= 6 .cse3)))))) is different from false [2022-04-18 17:24:19,797 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1256 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (|aux_div_thr1Thread2of3ForFork0_~offset~0#1_44| Int)) (let ((.cse3 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1256) |c_~#storage~0.base|))) (let ((.cse1 (* 2 |aux_div_thr1Thread2of3ForFork0_~offset~0#1_44|)) (.cse2 (select .cse3 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (.cse4 (* |aux_div_thr1Thread2of3ForFork0_~offset~0#1_44| 8)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (< .cse1 0) (<= .cse2 (select .cse3 (+ .cse4 4 |c_~#storage~0.offset|))) (<= 6 .cse1) (<= .cse2 (select .cse3 (+ .cse4 |c_~#storage~0.offset|))) (<= 6 .cse0))))) is different from false [2022-04-18 17:24:23,229 INFO L356 Elim1Store]: treesize reduction 264, result has 6.7 percent of original size [2022-04-18 17:24:23,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 127 treesize of output 90 [2022-04-18 17:24:23,242 INFO L356 Elim1Store]: treesize reduction 44, result has 13.7 percent of original size [2022-04-18 17:24:23,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 14 [2022-04-18 17:24:23,309 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:24:23,309 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 13 treesize of output 12 [2022-04-18 17:24:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 23 not checked. [2022-04-18 17:24:23,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365120226] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:24:23,362 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:24:23,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 34, 34] total 100 [2022-04-18 17:24:23,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464299017] [2022-04-18 17:24:23,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:24:23,363 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-04-18 17:24:23,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:24:23,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-04-18 17:24:23,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=8487, Unknown=7, NotChecked=950, Total=9900 [2022-04-18 17:24:23,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:24:23,365 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:24:23,365 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 4.5) internal successors, (450), 100 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:24:23,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:24:23,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-04-18 17:24:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:47,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:47,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:47,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:47,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:26:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:26:47,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:47,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:26:47,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:26:47,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:26:47,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-04-18 17:26:47,536 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-04-18 17:26:47,536 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:26:47,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:26:47,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1296681482, now seen corresponding path program 1 times [2022-04-18 17:26:47,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:26:47,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345696818] [2022-04-18 17:26:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:26:47,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:26:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:26:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-04-18 17:26:47,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:26:47,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345696818] [2022-04-18 17:26:47,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345696818] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:26:47,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:26:47,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:26:47,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593889850] [2022-04-18 17:26:47,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:26:47,571 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:26:47,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:26:47,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:26:47,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:26:47,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:47,572 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:26:47,572 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:26:47,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:47,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:47,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:47,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:47,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:47,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:47,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:47,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:47,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:26:47,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:47,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:26:47,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:47,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:26:47,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:47,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:26:47,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:26:47,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:26:47,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:47,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:26:47,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:26:47,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:26:47,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:26:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:26:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:26:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:26:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:26:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:26:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:26:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:26:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:26:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,296 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-04-18 17:26:49,296 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:26:49,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:26:49,297 INFO L85 PathProgramCache]: Analyzing trace with hash 957454806, now seen corresponding path program 1 times [2022-04-18 17:26:49,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:26:49,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144607684] [2022-04-18 17:26:49,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:26:49,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:26:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:26:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-04-18 17:26:49,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:26:49,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144607684] [2022-04-18 17:26:49,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144607684] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:26:49,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603517376] [2022-04-18 17:26:49,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:26:49,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:26:49,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:26:49,356 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:26:49,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-04-18 17:26:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:26:49,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 17:26:49,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:26:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-04-18 17:26:49,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:26:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-04-18 17:26:49,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603517376] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:26:49,899 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:26:49,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-04-18 17:26:49,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56824576] [2022-04-18 17:26:49,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:26:49,901 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 17:26:49,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:26:49,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 17:26:49,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-18 17:26:49,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:49,902 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:26:49,902 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:26:49,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:49,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:49,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:49,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:49,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:26:49,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:26:49,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:49,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:26:49,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:49,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:26:49,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:26:49,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:26:49,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:49,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:26:49,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:26:49,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:26:49,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:49,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:50,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-04-18 17:26:50,831 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-04-18 17:26:50,831 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:26:50,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:26:50,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1722904968, now seen corresponding path program 2 times [2022-04-18 17:26:50,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:26:50,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337468885] [2022-04-18 17:26:50,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:26:50,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:26:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:26:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-04-18 17:26:50,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:26:50,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337468885] [2022-04-18 17:26:50,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337468885] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:26:50,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004379021] [2022-04-18 17:26:50,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 17:26:50,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:26:50,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:26:50,902 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:26:50,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-04-18 17:26:51,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-18 17:26:51,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:26:51,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 17:26:51,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:26:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-04-18 17:26:51,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:26:51,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004379021] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:26:51,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 17:26:51,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 8 [2022-04-18 17:26:51,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350621832] [2022-04-18 17:26:51,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:26:51,389 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 17:26:51,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:26:51,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 17:26:51,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-04-18 17:26:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:51,389 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:26:51,389 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:26:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:26:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:26:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:26:51,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-04-18 17:26:51,648 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:26:51,648 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:26:51,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:26:51,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2096246805, now seen corresponding path program 1 times [2022-04-18 17:26:51,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:26:51,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488088039] [2022-04-18 17:26:51,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:26:51,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:26:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:26:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 17:26:53,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:26:53,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488088039] [2022-04-18 17:26:53,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488088039] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:26:53,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423021639] [2022-04-18 17:26:53,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:26:53,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:26:53,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:26:53,571 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:26:53,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-04-18 17:26:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:26:53,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 62 conjunts are in the unsatisfiable core [2022-04-18 17:26:53,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:26:54,131 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:26:54,131 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 [2022-04-18 17:26:54,221 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 32 treesize of output 30 [2022-04-18 17:26:54,599 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 32 treesize of output 30 [2022-04-18 17:26:55,157 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 32 treesize of output 30 [2022-04-18 17:26:55,862 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 32 treesize of output 30 [2022-04-18 17:26:57,540 INFO L356 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2022-04-18 17:26:57,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 22 [2022-04-18 17:26:58,383 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 17:26:58,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:26:59,444 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1523 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1523) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (+ (select .cse1 (+ (* 4 |c_thr1Thread1of3ForFork0_findMax_~i~0#1|) |c_~#storage~0.offset|)) 1))) (<= 6 .cse0)))) is different from false [2022-04-18 17:26:59,487 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1523 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1523) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (+ (select .cse1 (+ |c_~#storage~0.offset| (* |c_thr1Thread1of3ForFork0_findMax_~offset#1| 4))) 1))) (<= 6 .cse0)))) is different from false [2022-04-18 17:26:59,632 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1523 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1523) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (+ (select .cse1 (+ (* |c_thr1Thread1of3ForFork0_findMax_#in~offset#1| 4) |c_~#storage~0.offset|)) 1))) (<= 6 .cse0)))) is different from false [2022-04-18 17:26:59,696 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1523 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1523) |c_~#storage~0.base|))) (<= (select .cse0 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (+ (select .cse0 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|)) 1))) (< .cse1 0) (<= 6 .cse1)))) is different from false [2022-04-18 17:26:59,817 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_1523 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1523) |c_~#storage~0.base|))) (<= (select .cse0 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (+ (select .cse0 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|)) 1))) (< .cse1 0) (<= 6 .cse1)))) (= |c_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| 0)) is different from false [2022-04-18 17:26:59,862 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_1523 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1523) |c_~#storage~0.base|))) (<= (select .cse0 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (+ (select .cse0 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|)) 1))) (< .cse1 0) (<= 6 .cse1)))) (= |c_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| 0)) is different from false [2022-04-18 17:26:59,946 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1523 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (* |aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| 2)) (.cse1 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1523) |c_~#storage~0.base|))) (<= (select .cse0 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (+ (select .cse0 (+ (* |aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| 8) |c_~#storage~0.offset|)) 1))) (< .cse1 0) (< .cse2 0) (<= 6 .cse2) (<= 6 .cse1)))) is different from false [2022-04-18 17:27:01,296 INFO L356 Elim1Store]: treesize reduction 120, result has 7.0 percent of original size [2022-04-18 17:27:01,297 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 76 treesize of output 52 [2022-04-18 17:27:01,306 INFO L356 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-04-18 17:27:01,307 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 17 treesize of output 13 [2022-04-18 17:27:01,360 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:27:01,360 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 13 treesize of output 12 [2022-04-18 17:27:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 35 not checked. [2022-04-18 17:27:01,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423021639] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:27:01,408 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:27:01,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 33, 30] total 83 [2022-04-18 17:27:01,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407481030] [2022-04-18 17:27:01,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:27:01,409 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-04-18 17:27:01,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:01,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-04-18 17:27:01,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=5396, Unknown=13, NotChecked=1078, Total=6806 [2022-04-18 17:27:01,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:01,411 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:01,411 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 5.831325301204819) internal successors, (484), 83 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:27:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:27:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:27:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:27:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:27:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:27:17,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-04-18 17:27:17,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-04-18 17:27:18,087 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-04-18 17:27:18,088 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:27:18,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:18,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1864148515, now seen corresponding path program 1 times [2022-04-18 17:27:18,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:18,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696693489] [2022-04-18 17:27:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:18,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 11 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:21,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:21,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696693489] [2022-04-18 17:27:21,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696693489] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:21,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473765873] [2022-04-18 17:27:21,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:21,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:21,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:21,288 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:27:21,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-04-18 17:27:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:21,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 77 conjunts are in the unsatisfiable core [2022-04-18 17:27:21,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:22,213 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:27:22,213 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 [2022-04-18 17:27:22,333 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 41 treesize of output 37 [2022-04-18 17:27:22,701 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 41 treesize of output 37 [2022-04-18 17:27:23,553 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 41 treesize of output 37 [2022-04-18 17:27:24,861 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 41 treesize of output 37 [2022-04-18 17:27:31,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:27:31,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:27:31,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:27:31,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:27:31,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:27:31,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:27:31,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:27:31,663 INFO L356 Elim1Store]: treesize reduction 84, result has 16.8 percent of original size [2022-04-18 17:27:31,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 62 treesize of output 38 [2022-04-18 17:27:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 17:27:31,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:27:33,426 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1611 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1611) |c_~#storage~0.base|))) (let ((.cse1 (select .cse2 (+ (* 4 |c_thr1Thread1of3ForFork0_findMax_~i~0#1|) |c_~#storage~0.offset|))) (.cse3 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= .cse1 (select .cse2 (+ .cse3 4 |c_~#storage~0.offset|))) (<= .cse1 (select .cse2 (+ .cse3 |c_~#storage~0.offset|))) (<= 6 .cse0))))) is different from false [2022-04-18 17:27:33,509 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1611 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1611) |c_~#storage~0.base|))) (let ((.cse1 (select .cse2 (+ |c_~#storage~0.offset| (* |c_thr1Thread1of3ForFork0_findMax_~offset#1| 4)))) (.cse3 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= .cse1 (select .cse2 (+ .cse3 |c_~#storage~0.offset|))) (<= .cse1 (select .cse2 (+ .cse3 4 |c_~#storage~0.offset|))) (<= 6 .cse0))))) is different from false [2022-04-18 17:27:33,764 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1611 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1611) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* |c_thr1Thread1of3ForFork0_findMax_#in~offset#1| 4) |c_~#storage~0.offset|))) (.cse2 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse3 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ .cse2 4 |c_~#storage~0.offset|))) (< .cse3 0) (<= .cse0 (select .cse1 (+ .cse2 |c_~#storage~0.offset|))) (<= 6 .cse3))))) is different from false [2022-04-18 17:27:33,869 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1611 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1611) |c_~#storage~0.base|))) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse1 (select .cse2 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|))) (.cse3 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= .cse1 (select .cse2 (+ .cse3 4 |c_~#storage~0.offset|))) (<= 6 .cse0) (<= .cse1 (select .cse2 (+ .cse3 |c_~#storage~0.offset|))))))) is different from false [2022-04-18 17:27:34,162 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_1611 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1611) |c_~#storage~0.base|))) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse1 (select .cse2 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|))) (.cse3 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= .cse1 (select .cse2 (+ .cse3 4 |c_~#storage~0.offset|))) (<= 6 .cse0) (<= .cse1 (select .cse2 (+ .cse3 |c_~#storage~0.offset|))))))) (= |c_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| 0)) is different from false [2022-04-18 17:27:34,215 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_1611 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1611) |c_~#storage~0.base|))) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse1 (select .cse2 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|))) (.cse3 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (<= .cse1 (select .cse2 (+ .cse3 4 |c_~#storage~0.offset|))) (<= 6 .cse0) (<= .cse1 (select .cse2 (+ .cse3 |c_~#storage~0.offset|))))))) (= |c_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| 0)) is different from false [2022-04-18 17:27:34,325 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1611 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse3 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1611) |c_~#storage~0.base|))) (let ((.cse1 (* |aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| 2)) (.cse2 (select .cse3 (+ (* |aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| 8) |c_~#storage~0.offset|))) (.cse4 (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (< .cse1 0) (<= .cse2 (select .cse3 (+ .cse4 |c_~#storage~0.offset|))) (<= 6 .cse1) (<= .cse2 (select .cse3 (+ .cse4 4 |c_~#storage~0.offset|))) (<= 6 .cse0))))) is different from false [2022-04-18 17:27:36,709 INFO L356 Elim1Store]: treesize reduction 264, result has 6.7 percent of original size [2022-04-18 17:27:36,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 127 treesize of output 90 [2022-04-18 17:27:36,723 INFO L356 Elim1Store]: treesize reduction 44, result has 13.7 percent of original size [2022-04-18 17:27:36,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 14 [2022-04-18 17:27:36,785 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:27:36,785 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 13 treesize of output 12 [2022-04-18 17:27:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 35 not checked. [2022-04-18 17:27:36,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473765873] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:27:36,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:27:36,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36, 34] total 103 [2022-04-18 17:27:36,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377919827] [2022-04-18 17:27:36,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:27:36,830 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2022-04-18 17:27:36,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:36,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2022-04-18 17:27:36,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=8495, Unknown=9, NotChecked=1358, Total=10506 [2022-04-18 17:27:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:36,832 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:36,833 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.718446601941747) internal successors, (486), 103 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-04-18 17:27:36,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:46,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:46,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:46,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:46,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:27:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:46,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:27:46,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-04-18 17:27:46,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-04-18 17:27:46,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-04-18 17:27:46,968 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:46,968 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:27:46,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:46,969 INFO L85 PathProgramCache]: Analyzing trace with hash 601102017, now seen corresponding path program 2 times [2022-04-18 17:27:46,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:46,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852432431] [2022-04-18 17:27:46,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:46,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-04-18 17:27:47,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:47,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852432431] [2022-04-18 17:27:47,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852432431] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:47,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:47,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-18 17:27:47,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927812224] [2022-04-18 17:27:47,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:47,173 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 17:27:47,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:47,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 17:27:47,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-04-18 17:27:47,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:47,174 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:47,174 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:27:47,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:47,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:27:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:27:47,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:47,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:27:47,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:27:47,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:27:47,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:27:47,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-04-18 17:27:47,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-04-18 17:27:47,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:50,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:27:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:27:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:27:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:27:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:27:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:27:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:27:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:27:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:27:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:27:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-04-18 17:27:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-04-18 17:27:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:50,230 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-04-18 17:27:50,230 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:27:50,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:50,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1752879601, now seen corresponding path program 3 times [2022-04-18 17:27:50,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:50,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308812200] [2022-04-18 17:27:50,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:50,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:54,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:54,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308812200] [2022-04-18 17:27:54,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308812200] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:54,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801984573] [2022-04-18 17:27:54,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-18 17:27:54,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:54,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:54,794 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:27:54,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-04-18 17:27:55,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-04-18 17:27:55,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:27:55,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 75 conjunts are in the unsatisfiable core [2022-04-18 17:27:55,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:55,893 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:27:55,893 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 [2022-04-18 17:27:56,053 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 59 treesize of output 51 [2022-04-18 17:27:56,721 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 59 treesize of output 51 [2022-04-18 17:27:58,557 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 59 treesize of output 51 [2022-04-18 17:28:01,101 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 59 treesize of output 51 [2022-04-18 17:28:10,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:28:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:28:10,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:28:10,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:28:10,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:28:10,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:28:10,079 INFO L356 Elim1Store]: treesize reduction 98, result has 41.3 percent of original size [2022-04-18 17:28:10,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 72 treesize of output 96 [2022-04-18 17:28:11,677 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 17:28:11,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:28:14,095 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| Int) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1749 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1749) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* 4 |c_thr1Thread1of3ForFork0_findMax_~i~0#1|) |c_~#storage~0.offset|))) (.cse2 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (< |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| (+ .cse2 1)) (<= (+ 2 .cse2) |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103|) (< .cse2 0) (<= .cse0 (select .cse1 (+ (* |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| 4) |c_~#storage~0.offset|))) (<= 6 .cse2))))) is different from false [2022-04-18 17:28:14,328 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| Int) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1749 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1749) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ |c_~#storage~0.offset| (* |c_thr1Thread1of3ForFork0_findMax_~offset#1| 4)))) (.cse2 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ (* |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| 4) |c_~#storage~0.offset|))) (< |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| (+ .cse2 1)) (<= (+ 2 .cse2) |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103|) (< .cse2 0) (<= .cse0 (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (<= 6 .cse2))))) is different from false [2022-04-18 17:28:15,077 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| Int) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1749 (Array Int Int))) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1749) |c_~#storage~0.base|))) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|)) (.cse1 (select .cse2 (+ (* |c_thr1Thread1of3ForFork0_findMax_#in~offset#1| 4) |c_~#storage~0.offset|)))) (or (< |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| (+ .cse0 1)) (<= (+ 2 .cse0) |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103|) (< .cse0 0) (<= .cse1 (select .cse2 (+ (* |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| 4) |c_~#storage~0.offset|))) (<= 6 .cse0) (<= .cse1 (select .cse2 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))))))) is different from false [2022-04-18 17:28:15,445 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| Int) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1749 (Array Int Int))) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1749) |c_~#storage~0.base|))) (let ((.cse1 (select .cse2 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| (+ .cse0 1)) (<= (+ 2 .cse0) |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103|) (< .cse0 0) (<= .cse1 (select .cse2 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (<= .cse1 (select .cse2 (+ (* |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| 4) |c_~#storage~0.offset|))) (<= 6 .cse0))))) is different from false [2022-04-18 17:28:16,508 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((|v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| Int) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1749 (Array Int Int))) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1749) |c_~#storage~0.base|))) (let ((.cse1 (select .cse2 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|))) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| (+ .cse0 1)) (<= (+ 2 .cse0) |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103|) (< .cse0 0) (<= .cse1 (select .cse2 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (<= .cse1 (select .cse2 (+ (* |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| 4) |c_~#storage~0.offset|))) (<= 6 .cse0))))) (= |c_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| 0)) is different from false [2022-04-18 17:28:16,854 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| Int) (|v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| Int) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1749 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1749) |c_~#storage~0.base|))) (let ((.cse0 (select .cse1 (+ (* |aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| 8) |c_~#storage~0.offset|))) (.cse3 (* |aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| 2)) (.cse2 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (<= .cse0 (select .cse1 (+ (* |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| 4) |c_~#storage~0.offset|))) (< |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103| (+ .cse2 1)) (<= (+ 2 .cse2) |v_thr1Thread3of3ForFork0_findMax_~i~0#1_103|) (< .cse2 0) (<= .cse0 (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|))) (< .cse3 0) (<= 6 .cse3) (<= 6 .cse2))))) is different from false [2022-04-18 17:28:24,720 INFO L356 Elim1Store]: treesize reduction 452, result has 2.8 percent of original size [2022-04-18 17:28:24,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 145 treesize of output 91 [2022-04-18 17:28:24,742 INFO L356 Elim1Store]: treesize reduction 42, result has 14.3 percent of original size [2022-04-18 17:28:24,743 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 14 [2022-04-18 17:28:24,822 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:28:24,822 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 13 treesize of output 12 [2022-04-18 17:28:24,889 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 35 not checked. [2022-04-18 17:28:24,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801984573] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:28:24,889 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:28:24,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 42, 38] total 111 [2022-04-18 17:28:24,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264099328] [2022-04-18 17:28:24,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:28:24,890 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2022-04-18 17:28:24,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:28:24,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2022-04-18 17:28:24,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=651, Invalid=10271, Unknown=22, NotChecked=1266, Total=12210 [2022-04-18 17:28:24,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:28:24,893 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:28:24,893 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 4.171171171171171) internal successors, (463), 111 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:28:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:28:24,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:24,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:24,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:24,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:24,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:24,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:24,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:24,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:28:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:28:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:28:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:28:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:28:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:28:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:28:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:28:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:28:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:28:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-04-18 17:28:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-04-18 17:28:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:24,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:28:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-04-18 17:28:42,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-04-18 17:28:42,374 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-04-18 17:28:42,374 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:28:42,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:28:42,375 INFO L85 PathProgramCache]: Analyzing trace with hash 806377667, now seen corresponding path program 4 times [2022-04-18 17:28:42,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:28:42,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454098049] [2022-04-18 17:28:42,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:28:42,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:28:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:28:45,342 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 11 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:28:45,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:28:45,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454098049] [2022-04-18 17:28:45,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454098049] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:28:45,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115095760] [2022-04-18 17:28:45,342 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-18 17:28:45,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:28:45,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:28:45,344 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:28:45,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-04-18 17:28:45,907 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-18 17:28:45,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:28:45,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 63 conjunts are in the unsatisfiable core [2022-04-18 17:28:45,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:28:46,297 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:28:46,297 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 [2022-04-18 17:28:46,410 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 41 treesize of output 37 [2022-04-18 17:28:46,814 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 41 treesize of output 37 [2022-04-18 17:28:47,837 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 41 treesize of output 37 [2022-04-18 17:28:49,279 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 41 treesize of output 37 [2022-04-18 17:28:51,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:28:51,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:28:51,485 INFO L356 Elim1Store]: treesize reduction 74, result has 8.6 percent of original size [2022-04-18 17:28:51,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 25 [2022-04-18 17:28:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 17:28:52,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:28:52,946 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1837 (Array Int Int))) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1837) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 4 |c_thr1Thread1of3ForFork0_findMax_~i~0#1|) |c_~#storage~0.offset|)) (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse0)))) is different from false [2022-04-18 17:28:52,997 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1837 (Array Int Int))) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1837) |c_~#storage~0.base|))) (<= (select .cse1 (+ |c_~#storage~0.offset| (* |c_thr1Thread1of3ForFork0_findMax_~offset#1| 4))) (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse0)))) is different from false [2022-04-18 17:28:53,141 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1837 (Array Int Int))) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1837) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* |c_thr1Thread1of3ForFork0_findMax_#in~offset#1| 4) |c_~#storage~0.offset|)) (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse0)))) is different from false [2022-04-18 17:28:53,205 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1837 (Array Int Int))) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1837) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|)) (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse0)))) is different from false [2022-04-18 17:28:53,327 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1837 (Array Int Int))) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1837) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|)) (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse0)))) (= |c_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| 0)) is different from false [2022-04-18 17:28:53,367 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1837 (Array Int Int))) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1837) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|)) (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse0)))) (= |c_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| 0)) is different from false [2022-04-18 17:28:53,638 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread1of3ForFork0_#t~nondet8#1_45| Int) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_1837 (Array Int Int))) (let ((.cse1 (* 2 |aux_div_thr1Thread1of3ForFork0_#t~nondet8#1_45|)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (< .cse1 0) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1837) |c_~#storage~0.base|))) (<= (select .cse2 (+ (* 8 |aux_div_thr1Thread1of3ForFork0_#t~nondet8#1_45|) |c_~#storage~0.offset|)) (select .cse2 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)))) (<= 6 .cse1) (<= 6 .cse0)))) is different from false [2022-04-18 17:28:55,543 INFO L356 Elim1Store]: treesize reduction 182, result has 4.7 percent of original size [2022-04-18 17:28:55,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 82 treesize of output 52 [2022-04-18 17:28:55,552 INFO L356 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-04-18 17:28:55,553 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 15 treesize of output 11 [2022-04-18 17:28:55,609 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:28:55,609 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 13 treesize of output 12 [2022-04-18 17:28:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 38 not checked. [2022-04-18 17:28:55,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115095760] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:28:55,655 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:28:55,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 30] total 91 [2022-04-18 17:28:55,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839511476] [2022-04-18 17:28:55,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:28:55,655 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-04-18 17:28:55,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:28:55,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-04-18 17:28:55,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=442, Invalid=6548, Unknown=10, NotChecked=1190, Total=8190 [2022-04-18 17:28:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:28:55,657 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:28:55,657 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.978021978021978) internal successors, (453), 91 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:28:55,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:28:55,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:28:55,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:28:55,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:55,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:55,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:28:55,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-04-18 17:28:55,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-04-18 17:28:55,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:55,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2022-04-18 17:28:55,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:29:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-04-18 17:29:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-04-18 17:29:46,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-04-18 17:29:46,679 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-04-18 17:29:46,679 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:29:46,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:29:46,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1778008195, now seen corresponding path program 1 times [2022-04-18 17:29:46,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:29:46,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553362905] [2022-04-18 17:29:46,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:29:46,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:29:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:29:46,760 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 26 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-18 17:29:46,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:29:46,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553362905] [2022-04-18 17:29:46,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553362905] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:29:46,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164330722] [2022-04-18 17:29:46,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:29:46,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:29:46,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:29:46,764 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:29:46,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-04-18 17:29:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:29:46,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2022-04-18 17:29:46,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:29:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-04-18 17:29:47,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:29:47,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164330722] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:29:47,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 17:29:47,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 12 [2022-04-18 17:29:47,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865702874] [2022-04-18 17:29:47,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:29:47,335 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 17:29:47,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:29:47,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 17:29:47,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-04-18 17:29:47,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:29:47,336 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:29:47,336 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-04-18 17:29:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-04-18 17:29:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-04-18 17:30:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:30:05,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-04-18 17:30:05,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-04-18 17:30:05,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:30:06,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-04-18 17:30:06,086 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-04-18 17:30:06,086 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:30:06,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:30:06,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1947165983, now seen corresponding path program 1 times [2022-04-18 17:30:06,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:30:06,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140876293] [2022-04-18 17:30:06,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:30:06,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:30:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:30:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:30:10,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:30:10,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140876293] [2022-04-18 17:30:10,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140876293] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:30:10,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515970739] [2022-04-18 17:30:10,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:30:10,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:30:10,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:30:10,310 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:30:10,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-04-18 17:30:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:30:10,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 65 conjunts are in the unsatisfiable core [2022-04-18 17:30:10,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:30:11,001 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:30:11,002 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 [2022-04-18 17:30:11,116 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 32 treesize of output 30 [2022-04-18 17:30:11,477 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 32 treesize of output 30 [2022-04-18 17:30:12,613 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 32 treesize of output 30 [2022-04-18 17:30:14,135 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 32 treesize of output 30 [2022-04-18 17:30:16,125 INFO L356 Elim1Store]: treesize reduction 66, result has 9.6 percent of original size [2022-04-18 17:30:16,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 22 [2022-04-18 17:30:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 17:30:16,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:30:17,575 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2009 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_2009) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (select .cse1 (+ (* 4 |c_thr1Thread1of3ForFork0_findMax_~i~0#1|) |c_~#storage~0.offset|)))) (<= 6 .cse0)))) is different from false [2022-04-18 17:30:17,632 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2009 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_2009) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (select .cse1 (+ |c_~#storage~0.offset| (* |c_thr1Thread1of3ForFork0_findMax_~offset#1| 4))))) (<= 6 .cse0)))) is different from false [2022-04-18 17:30:18,165 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2009 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_2009) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (select .cse1 (+ (* |c_thr1Thread1of3ForFork0_findMax_#in~offset#1| 4) |c_~#storage~0.offset|)))) (<= 6 .cse0)))) is different from false [2022-04-18 17:30:18,181 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2009 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_2009) |c_~#storage~0.base|))) (<= (select .cse0 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (select .cse0 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|)))) (< .cse1 0) (<= 6 .cse1)))) is different from false [2022-04-18 17:30:18,328 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| 0) (forall ((v_ArrVal_2009 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_2009) |c_~#storage~0.base|))) (<= (select .cse0 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (select .cse0 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|)))) (< .cse1 0) (<= 6 .cse1))))) is different from false [2022-04-18 17:30:18,380 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| 0) (forall ((v_ArrVal_2009 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse1 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_2009) |c_~#storage~0.base|))) (<= (select .cse0 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (select .cse0 (+ (* 4 |c_thr1Thread1of3ForFork0_~offset~0#1|) |c_~#storage~0.offset|)))) (< .cse1 0) (<= 6 .cse1))))) is different from false [2022-04-18 17:30:18,477 WARN L833 $PredicateComparison]: unable to prove that (forall ((|aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| Int) (v_ArrVal_2009 (Array Int Int)) (|aux_div_thr1Thread3of3ForFork0_~offset~0#1_44| Int)) (let ((.cse2 (* |aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| 2)) (.cse0 (* 2 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|))) (or (< .cse0 0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_2009) |c_~#storage~0.base|))) (<= (select .cse1 (+ (* 8 |aux_div_thr1Thread3of3ForFork0_~offset~0#1_44|) |c_~#storage~0.offset|)) (select .cse1 (+ (* |aux_div_thr1Thread1of3ForFork0_~offset~0#1_44| 8) |c_~#storage~0.offset|)))) (< .cse2 0) (<= 6 .cse2) (<= 6 .cse0)))) is different from false [2022-04-18 17:30:20,337 INFO L356 Elim1Store]: treesize reduction 120, result has 7.0 percent of original size [2022-04-18 17:30:20,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 48 [2022-04-18 17:30:20,347 INFO L356 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-04-18 17:30:20,347 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 15 treesize of output 11 [2022-04-18 17:30:20,410 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 17:30:20,410 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 13 treesize of output 12 [2022-04-18 17:30:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 33 not checked. [2022-04-18 17:30:20,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515970739] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:30:20,467 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:30:20,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 31, 31] total 98 [2022-04-18 17:30:20,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043800939] [2022-04-18 17:30:20,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:30:20,468 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-04-18 17:30:20,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:30:20,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-04-18 17:30:20,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=7801, Unknown=22, NotChecked=1288, Total=9506 [2022-04-18 17:30:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:30:20,470 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:30:20,471 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 4.816326530612245) internal successors, (472), 98 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:30:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:30:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:30:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:30:20,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:30:20,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 17:30:20,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:20,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-04-18 17:30:20,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:30:20,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-04-18 17:30:20,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:30:20,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-04-18 17:30:20,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 17:30:20,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15