/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 18:55:08,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 18:55:08,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 18:55:08,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 18:55:08,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 18:55:08,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 18:55:08,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 18:55:08,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 18:55:08,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 18:55:08,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 18:55:08,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 18:55:08,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 18:55:08,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 18:55:08,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 18:55:08,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 18:55:08,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 18:55:08,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 18:55:08,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 18:55:08,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 18:55:08,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 18:55:08,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 18:55:08,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 18:55:08,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 18:55:08,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 18:55:08,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 18:55:08,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 18:55:08,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 18:55:08,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 18:55:08,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 18:55:08,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 18:55:08,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 18:55:08,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 18:55:08,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 18:55:08,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 18:55:08,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 18:55:08,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 18:55:08,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-wrwc.epf [2022-02-19 18:55:08,675 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 18:55:08,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 18:55:08,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 18:55:08,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 18:55:08,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 18:55:08,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 18:55:08,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 18:55:08,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 18:55:08,677 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 18:55:08,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 18:55:08,678 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 18:55:08,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 18:55:08,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 18:55:08,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 18:55:08,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 18:55:08,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 18:55:08,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 18:55:08,678 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 18:55:08,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 18:55:08,678 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 18:55:08,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 18:55:08,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 18:55:08,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 18:55:08,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 18:55:08,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 18:55:08,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 18:55:08,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 18:55:08,679 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 18:55:08,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 18:55:08,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 18:55:08,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 18:55:08,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 18:55:08,680 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 18:55:08,680 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 18:55:08,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 18:55:08,680 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 18:55:08,680 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 18:55:08,680 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 18:55:08,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 18:55:08,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 18:55:08,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 18:55:08,867 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 18:55:08,867 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 18:55:08,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i [2022-02-19 18:55:08,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd97d3a65/f8631dca510a4d7a849e273bbced3e08/FLAGbe906df49 [2022-02-19 18:55:09,394 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 18:55:09,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i [2022-02-19 18:55:09,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd97d3a65/f8631dca510a4d7a849e273bbced3e08/FLAGbe906df49 [2022-02-19 18:55:09,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd97d3a65/f8631dca510a4d7a849e273bbced3e08 [2022-02-19 18:55:09,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 18:55:09,699 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 18:55:09,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 18:55:09,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 18:55:09,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 18:55:09,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 06:55:09" (1/1) ... [2022-02-19 18:55:09,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6567c3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:09, skipping insertion in model container [2022-02-19 18:55:09,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 06:55:09" (1/1) ... [2022-02-19 18:55:09,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 18:55:09,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 18:55:10,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i[30176,30189] [2022-02-19 18:55:10,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 18:55:10,033 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 18:55:10,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i[30176,30189] [2022-02-19 18:55:10,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 18:55:10,111 INFO L208 MainTranslator]: Completed translation [2022-02-19 18:55:10,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10 WrapperNode [2022-02-19 18:55:10,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 18:55:10,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 18:55:10,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 18:55:10,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 18:55:10,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (1/1) ... [2022-02-19 18:55:10,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (1/1) ... [2022-02-19 18:55:10,138 INFO L137 Inliner]: procedures = 172, calls = 33, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 106 [2022-02-19 18:55:10,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 18:55:10,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 18:55:10,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 18:55:10,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 18:55:10,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (1/1) ... [2022-02-19 18:55:10,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (1/1) ... [2022-02-19 18:55:10,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (1/1) ... [2022-02-19 18:55:10,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (1/1) ... [2022-02-19 18:55:10,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (1/1) ... [2022-02-19 18:55:10,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (1/1) ... [2022-02-19 18:55:10,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (1/1) ... [2022-02-19 18:55:10,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 18:55:10,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 18:55:10,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 18:55:10,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 18:55:10,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (1/1) ... [2022-02-19 18:55:10,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 18:55:10,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 18:55:10,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 18:55:10,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 18:55:10,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 18:55:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 18:55:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 18:55:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 18:55:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 18:55:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 18:55:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 18:55:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 18:55:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 18:55:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 18:55:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 18:55:10,247 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 18:55:10,385 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 18:55:10,386 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 18:55:10,533 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 18:55:10,542 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 18:55:10,542 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-02-19 18:55:10,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 06:55:10 BoogieIcfgContainer [2022-02-19 18:55:10,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 18:55:10,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 18:55:10,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 18:55:10,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 18:55:10,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 06:55:09" (1/3) ... [2022-02-19 18:55:10,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7322005a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 06:55:10, skipping insertion in model container [2022-02-19 18:55:10,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 06:55:10" (2/3) ... [2022-02-19 18:55:10,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7322005a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 06:55:10, skipping insertion in model container [2022-02-19 18:55:10,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 06:55:10" (3/3) ... [2022-02-19 18:55:10,561 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_05-lockfuns_racefree.i [2022-02-19 18:55:10,565 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 18:55:10,565 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 18:55:10,565 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 18:55:10,565 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 18:55:10,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:10,625 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 18:55:10,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 18:55:10,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 18:55:10,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 18:55:10,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 18:55:10,696 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 18:55:10,701 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 18:55:10,702 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 18:55:10,745 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 47 transitions and produced 48 states. [2022-02-19 18:55:10,746 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:10,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:10,750 INFO L85 PathProgramCache]: Analyzing trace with hash 943706821, now seen corresponding path program 1 times [2022-02-19 18:55:10,755 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:10,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354194304] [2022-02-19 18:55:10,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:10,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:10,868 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 18:55:10,869 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354194304] [2022-02-19 18:55:10,869 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354194304] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 18:55:10,869 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 18:55:10,869 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 18:55:10,870 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820465330] [2022-02-19 18:55:10,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 18:55:10,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 18:55:10,874 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 18:55:10,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 18:55:10,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 18:55:10,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:10,889 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 18:55:10,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 18:55:10,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:10,908 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 47 transitions and produced 48 states. [2022-02-19 18:55:10,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:10,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 18:55:10,910 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:10,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:10,912 INFO L85 PathProgramCache]: Analyzing trace with hash 438148196, now seen corresponding path program 1 times [2022-02-19 18:55:10,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:10,913 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360904906] [2022-02-19 18:55:10,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:10,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:11,014 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 18:55:11,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360904906] [2022-02-19 18:55:11,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360904906] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 18:55:11,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 18:55:11,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 18:55:11,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942448728] [2022-02-19 18:55:11,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 18:55:11,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 18:55:11,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 18:55:11,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 18:55:11,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 18:55:11,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:11,017 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 18:55:11,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 18:55:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:11,070 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 78 transitions and produced 79 states. [2022-02-19 18:55:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 18:55:11,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 18:55:11,071 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:11,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:11,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1717695376, now seen corresponding path program 1 times [2022-02-19 18:55:11,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:11,073 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428241986] [2022-02-19 18:55:11,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:11,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 18:55:11,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428241986] [2022-02-19 18:55:11,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428241986] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 18:55:11,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842599236] [2022-02-19 18:55:11,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:11,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 18:55:11,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 18:55:11,214 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 18:55:11,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 18:55:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:11,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 18:55:11,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 18:55:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:11,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 18:55:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:11,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842599236] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 18:55:11,540 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 18:55:11,540 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 18:55:11,540 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48223291] [2022-02-19 18:55:11,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 18:55:11,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 18:55:11,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 18:55:11,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 18:55:11,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 18:55:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:11,542 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 18:55:11,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 18:55:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 18:55:11,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:11,622 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 58 transitions and produced 59 states. [2022-02-19 18:55:11,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:11,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 18:55:11,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 18:55:11,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 18:55:11,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-19 18:55:11,844 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:11,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:11,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1685952027, now seen corresponding path program 1 times [2022-02-19 18:55:11,845 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:11,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636864288] [2022-02-19 18:55:11,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:11,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 18:55:11,861 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 18:55:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 18:55:11,883 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 18:55:11,883 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 18:55:11,884 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-19 18:55:11,885 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-19 18:55:11,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 18:55:11,890 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-19 18:55:11,890 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-19 18:55:11,891 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-19 18:55:11,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:11,909 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 18:55:11,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 18:55:11,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 18:55:11,912 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 18:55:11,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-02-19 18:55:11,948 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 18:55:11,948 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 18:55:11,949 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 18:55:11,957 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 47 transitions and produced 48 states. [2022-02-19 18:55:11,958 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:11,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:11,958 INFO L85 PathProgramCache]: Analyzing trace with hash 115204507, now seen corresponding path program 1 times [2022-02-19 18:55:11,958 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:11,958 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297306355] [2022-02-19 18:55:11,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:11,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:12,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 18:55:12,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297306355] [2022-02-19 18:55:12,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297306355] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 18:55:12,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 18:55:12,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 18:55:12,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860925278] [2022-02-19 18:55:12,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 18:55:12,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 18:55:12,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 18:55:12,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 18:55:12,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 18:55:12,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,017 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 18:55:12,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 18:55:12,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,028 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 47 transitions and produced 48 states. [2022-02-19 18:55:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 18:55:12,028 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:12,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:12,029 INFO L85 PathProgramCache]: Analyzing trace with hash -390354118, now seen corresponding path program 1 times [2022-02-19 18:55:12,029 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:12,029 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413766889] [2022-02-19 18:55:12,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:12,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:12,091 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 18:55:12,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413766889] [2022-02-19 18:55:12,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413766889] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 18:55:12,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 18:55:12,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 18:55:12,092 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913920825] [2022-02-19 18:55:12,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 18:55:12,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 18:55:12,092 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 18:55:12,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 18:55:12,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 18:55:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,094 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 18:55:12,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 18:55:12,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,126 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 78 transitions and produced 79 states. [2022-02-19 18:55:12,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 18:55:12,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-19 18:55:12,127 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:12,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:12,128 INFO L85 PathProgramCache]: Analyzing trace with hash -993521947, now seen corresponding path program 1 times [2022-02-19 18:55:12,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:12,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699714000] [2022-02-19 18:55:12,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:12,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:12,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:12,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 18:55:12,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699714000] [2022-02-19 18:55:12,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699714000] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 18:55:12,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852614621] [2022-02-19 18:55:12,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:12,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 18:55:12,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 18:55:12,197 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 18:55:12,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 18:55:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:12,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 18:55:12,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 18:55:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:12,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 18:55:12,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:12,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852614621] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 18:55:12,435 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 18:55:12,435 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 18:55:12,435 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590322189] [2022-02-19 18:55:12,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 18:55:12,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 18:55:12,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 18:55:12,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 18:55:12,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 18:55:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 18:55:12,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 18:55:12,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 18:55:12,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,637 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 90 transitions and produced 91 states. [2022-02-19 18:55:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 18:55:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 18:55:12,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 18:55:12,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 18:55:12,855 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:12,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:12,855 INFO L85 PathProgramCache]: Analyzing trace with hash 210109917, now seen corresponding path program 1 times [2022-02-19 18:55:12,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:12,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625752946] [2022-02-19 18:55:12,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 18:55:12,881 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 18:55:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 18:55:12,900 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 18:55:12,900 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 18:55:12,900 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-19 18:55:12,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-19 18:55:12,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-19 18:55:12,905 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-19 18:55:12,906 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-19 18:55:12,906 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 18:55:12,943 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 18:55:12,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 18:55:12,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 18:55:12,945 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 18:55:12,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-02-19 18:55:12,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 18:55:12,949 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 18:55:12,949 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 18:55:12,956 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 47 transitions and produced 48 states. [2022-02-19 18:55:12,956 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:12,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:12,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1670365364, now seen corresponding path program 1 times [2022-02-19 18:55:12,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:12,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101880896] [2022-02-19 18:55:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:12,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:12,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 18:55:12,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101880896] [2022-02-19 18:55:12,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101880896] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 18:55:12,977 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 18:55:12,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 18:55:12,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552884959] [2022-02-19 18:55:12,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 18:55:12,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 18:55:12,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 18:55:12,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 18:55:12,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 18:55:12,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,979 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 18:55:12,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 18:55:12,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,989 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 47 transitions and produced 48 states. [2022-02-19 18:55:12,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:12,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-19 18:55:12,989 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:12,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:12,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1164806739, now seen corresponding path program 1 times [2022-02-19 18:55:12,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:12,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666538320] [2022-02-19 18:55:12,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:12,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:13,019 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 18:55:13,019 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666538320] [2022-02-19 18:55:13,019 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666538320] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 18:55:13,020 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 18:55:13,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 18:55:13,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831884581] [2022-02-19 18:55:13,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 18:55:13,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 18:55:13,020 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 18:55:13,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 18:55:13,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 18:55:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:13,021 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 18:55:13,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 18:55:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:13,046 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 78 transitions and produced 79 states. [2022-02-19 18:55:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:13,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 18:55:13,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-19 18:55:13,047 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:13,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:13,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1762072419, now seen corresponding path program 1 times [2022-02-19 18:55:13,048 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:13,048 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301959755] [2022-02-19 18:55:13,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:13,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:13,094 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 18:55:13,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301959755] [2022-02-19 18:55:13,094 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301959755] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 18:55:13,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700678153] [2022-02-19 18:55:13,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:13,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 18:55:13,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 18:55:13,096 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 18:55:13,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 18:55:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:13,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 18:55:13,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 18:55:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:13,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 18:55:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 18:55:13,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700678153] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 18:55:13,308 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 18:55:13,309 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 18:55:13,309 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325372854] [2022-02-19 18:55:13,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 18:55:13,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 18:55:13,309 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 18:55:13,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 18:55:13,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 18:55:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:13,311 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 18:55:13,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 18:55:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 18:55:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:14,306 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 170 transitions and produced 171 states. [2022-02-19 18:55:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 18:55:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 18:55:14,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 18:55:14,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 18:55:14,522 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 18:55:14,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 18:55:14,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1994006542, now seen corresponding path program 1 times [2022-02-19 18:55:14,522 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 18:55:14,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851927849] [2022-02-19 18:55:14,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 18:55:14,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 18:55:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 18:55:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-19 18:55:14,789 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 18:55:14,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851927849] [2022-02-19 18:55:14,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851927849] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 18:55:14,789 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 18:55:14,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 18:55:14,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478799398] [2022-02-19 18:55:14,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 18:55:14,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 18:55:14,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 18:55:14,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 18:55:14,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-19 18:55:14,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:14,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 18:55:14,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 18:55:14,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 18:55:14,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 18:55:14,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 18:55:14,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-19 19:09:56,581 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 19:09:56,595 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 19:09:56,595 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 19:09:56,615 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 19:09:56,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-19 19:09:56,650 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-19 19:09:56,650 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-19 19:09:56,650 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-19 19:09:56,657 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-19 19:09:56,658 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2022-02-19 19:09:56,658 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 19:09:56,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 07:09:56 BasicIcfg [2022-02-19 19:09:56,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 19:09:56,665 INFO L158 Benchmark]: Toolchain (without parser) took 886966.00ms. Allocated memory was 198.2MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 142.7MB in the beginning and 843.4MB in the end (delta: -700.7MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-02-19 19:09:56,666 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 198.2MB. Free memory is still 160.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 19:09:56,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.01ms. Allocated memory was 198.2MB in the beginning and 266.3MB in the end (delta: 68.2MB). Free memory was 142.5MB in the beginning and 229.0MB in the end (delta: -86.4MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2022-02-19 19:09:56,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.57ms. Allocated memory is still 266.3MB. Free memory was 229.0MB in the beginning and 226.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 19:09:56,666 INFO L158 Benchmark]: Boogie Preprocessor took 25.17ms. Allocated memory is still 266.3MB. Free memory was 226.9MB in the beginning and 225.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 19:09:56,666 INFO L158 Benchmark]: RCFGBuilder took 379.03ms. Allocated memory is still 266.3MB. Free memory was 225.3MB in the beginning and 212.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 19:09:56,667 INFO L158 Benchmark]: TraceAbstraction took 886120.34ms. Allocated memory was 266.3MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 211.7MB in the beginning and 843.4MB in the end (delta: -631.7MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-02-19 19:09:56,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 198.2MB. Free memory is still 160.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 410.01ms. Allocated memory was 198.2MB in the beginning and 266.3MB in the end (delta: 68.2MB). Free memory was 142.5MB in the beginning and 229.0MB in the end (delta: -86.4MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.57ms. Allocated memory is still 266.3MB. Free memory was 229.0MB in the beginning and 226.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.17ms. Allocated memory is still 266.3MB. Free memory was 226.9MB in the beginning and 225.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 379.03ms. Allocated memory is still 266.3MB. Free memory was 225.3MB in the beginning and 212.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 886120.34ms. Allocated memory was 266.3MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 211.7MB in the beginning and 843.4MB in the end (delta: -631.7MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 712]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 132 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 308 SizeOfPredicates, 2 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 160 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 308 SizeOfPredicates, 2 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 188 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 883.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 882.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 495 SizeOfPredicates, 2 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 33/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown