/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-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 13:35:52,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 13:35:52,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 13:35:52,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 13:35:52,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 13:35:52,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 13:35:52,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 13:35:52,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 13:35:52,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 13:35:52,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 13:35:52,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 13:35:52,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 13:35:52,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 13:35:52,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 13:35:52,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 13:35:52,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 13:35:52,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 13:35:52,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 13:35:52,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 13:35:52,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 13:35:52,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 13:35:52,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 13:35:52,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 13:35:52,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 13:35:52,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 13:35:52,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 13:35:52,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 13:35:52,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 13:35:52,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 13:35:52,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 13:35:52,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 13:35:52,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 13:35:52,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 13:35:52,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 13:35:52,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 13:35:52,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 13:35:52,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 13:35:52,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 13:35:52,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 13:35:52,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 13:35:52,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 13:35:52,569 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-NoForkJoinOpt.epf [2022-02-19 13:35:52,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 13:35:52,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 13:35:52,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 13:35:52,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 13:35:52,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 13:35:52,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 13:35:52,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 13:35:52,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 13:35:52,596 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 13:35:52,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 13:35:52,597 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 13:35:52,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 13:35:52,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 13:35:52,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 13:35:52,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 13:35:52,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 13:35:52,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 13:35:52,597 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 13:35:52,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 13:35:52,597 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 13:35:52,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 13:35:52,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 13:35:52,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 13:35:52,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 13:35:52,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 13:35:52,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 13:35:52,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 13:35:52,598 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 13:35:52,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 13:35:52,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 13:35:52,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 13:35:52,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 13:35:52,599 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 13:35:52,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 13:35:52,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 13:35:52,599 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 13:35:52,599 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 13:35:52,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 13:35:52,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 13:35:52,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 13:35:52,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 13:35:52,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 13:35:52,835 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 13:35:52,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2022-02-19 13:35:52,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33a5f4036/2b53f48a11554a6ab4edae19c74d3296/FLAG15e97df65 [2022-02-19 13:35:53,326 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 13:35:53,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2022-02-19 13:35:53,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33a5f4036/2b53f48a11554a6ab4edae19c74d3296/FLAG15e97df65 [2022-02-19 13:35:53,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33a5f4036/2b53f48a11554a6ab4edae19c74d3296 [2022-02-19 13:35:53,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 13:35:53,669 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 13:35:53,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 13:35:53,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 13:35:53,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 13:35:53,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:35:53" (1/1) ... [2022-02-19 13:35:53,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe45fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:53, skipping insertion in model container [2022-02-19 13:35:53,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:35:53" (1/1) ... [2022-02-19 13:35:53,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 13:35:53,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 13:35:54,061 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_08-cond_racefree.i[41322,41335] [2022-02-19 13:35:54,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 13:35:54,089 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 13:35:54,147 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_08-cond_racefree.i[41322,41335] [2022-02-19 13:35:54,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 13:35:54,205 INFO L208 MainTranslator]: Completed translation [2022-02-19 13:35:54,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54 WrapperNode [2022-02-19 13:35:54,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 13:35:54,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 13:35:54,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 13:35:54,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 13:35:54,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (1/1) ... [2022-02-19 13:35:54,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (1/1) ... [2022-02-19 13:35:54,252 INFO L137 Inliner]: procedures = 270, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2022-02-19 13:35:54,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 13:35:54,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 13:35:54,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 13:35:54,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 13:35:54,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (1/1) ... [2022-02-19 13:35:54,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (1/1) ... [2022-02-19 13:35:54,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (1/1) ... [2022-02-19 13:35:54,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (1/1) ... [2022-02-19 13:35:54,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (1/1) ... [2022-02-19 13:35:54,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (1/1) ... [2022-02-19 13:35:54,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (1/1) ... [2022-02-19 13:35:54,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 13:35:54,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 13:35:54,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 13:35:54,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 13:35:54,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (1/1) ... [2022-02-19 13:35:54,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 13:35:54,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 13:35:54,324 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 13:35:54,342 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 13:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 13:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 13:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 13:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 13:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 13:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 13:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 13:35:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 13:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 13:35:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 13:35:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 13:35:54,357 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 13:35:54,491 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 13:35:54,493 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 13:35:54,709 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 13:35:54,727 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 13:35:54,727 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-02-19 13:35:54,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:35:54 BoogieIcfgContainer [2022-02-19 13:35:54,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 13:35:54,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 13:35:54,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 13:35:54,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 13:35:54,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 01:35:53" (1/3) ... [2022-02-19 13:35:54,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6caf90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:35:54, skipping insertion in model container [2022-02-19 13:35:54,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:54" (2/3) ... [2022-02-19 13:35:54,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6caf90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:35:54, skipping insertion in model container [2022-02-19 13:35:54,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:35:54" (3/3) ... [2022-02-19 13:35:54,734 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_08-cond_racefree.i [2022-02-19 13:35:54,738 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 13:35:54,738 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 13:35:54,738 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 13:35:54,738 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 13:35:54,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,760 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,769 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,769 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:54,775 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 13:35:54,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 13:35:54,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 13:35:54,831 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 13:35:54,832 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 13:35:54,855 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 13:35:54,860 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=false, mMcrOverapproximateWrwc=true [2022-02-19 13:35:54,860 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 13:35:54,908 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-02-19 13:35:54,909 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:54,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:54,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1506802186, now seen corresponding path program 1 times [2022-02-19 13:35:54,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:54,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396181787] [2022-02-19 13:35:54,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:54,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:55,148 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 13:35:55,149 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:55,149 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396181787] [2022-02-19 13:35:55,150 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396181787] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:35:55,150 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:35:55,150 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 13:35:55,151 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692973236] [2022-02-19 13:35:55,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:35:55,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 13:35:55,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:55,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 13:35:55,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 13:35:55,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,177 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:55,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 13:35:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,193 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-02-19 13:35:55,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 13:35:55,194 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:55,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:55,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1280613301, now seen corresponding path program 1 times [2022-02-19 13:35:55,197 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:55,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435569498] [2022-02-19 13:35:55,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:55,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:55,288 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 13:35:55,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:55,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435569498] [2022-02-19 13:35:55,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435569498] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:35:55,289 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:35:55,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 13:35:55,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865252789] [2022-02-19 13:35:55,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:35:55,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 13:35:55,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:55,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 13:35:55,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 13:35:55,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,293 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:55,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 13:35:55,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,344 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-02-19 13:35:55,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 13:35:55,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 13:35:55,346 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:55,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:55,346 INFO L85 PathProgramCache]: Analyzing trace with hash -500091251, now seen corresponding path program 1 times [2022-02-19 13:35:55,346 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:55,347 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914515449] [2022-02-19 13:35:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:55,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:55,467 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 13:35:55,468 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:55,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914515449] [2022-02-19 13:35:55,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914515449] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 13:35:55,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035907367] [2022-02-19 13:35:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:55,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 13:35:55,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 13:35:55,480 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 13:35:55,520 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 13:35:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:55,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 13:35:55,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 13:35:55,762 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 13:35:55,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 13:35:55,864 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 13:35:55,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035907367] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 13:35:55,865 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 13:35:55,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 13:35:55,866 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124292039] [2022-02-19 13:35:55,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 13:35:55,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 13:35:55,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:55,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 13:35:55,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 13:35:55,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,871 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:55,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 13:35:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 13:35:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,918 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73 transitions and produced 74 states. [2022-02-19 13:35:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 13:35:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 13:35:55,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 13:35:56,133 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 13:35:56,134 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:56,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:56,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1426448650, now seen corresponding path program 1 times [2022-02-19 13:35:56,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:56,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039426048] [2022-02-19 13:35:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:56,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 13:35:56,176 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 13:35:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 13:35:56,222 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 13:35:56,222 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 13:35:56,223 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-19 13:35:56,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-19 13:35:56,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 13:35:56,229 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-19 13:35:56,231 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-19 13:35:56,232 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-19 13:35:56,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,254 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,254 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,254 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,254 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,258 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,258 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,258 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,258 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,267 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,268 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,269 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,269 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:56,271 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 13:35:56,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 13:35:56,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 13:35:56,277 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 13:35:56,278 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 13:35:56,280 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 13:35:56,281 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=false, mMcrOverapproximateWrwc=true [2022-02-19 13:35:56,281 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 13:35:56,289 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-02-19 13:35:56,290 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:56,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:56,290 INFO L85 PathProgramCache]: Analyzing trace with hash 753145417, now seen corresponding path program 1 times [2022-02-19 13:35:56,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:56,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562434807] [2022-02-19 13:35:56,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:56,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:56,337 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 13:35:56,337 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:56,337 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562434807] [2022-02-19 13:35:56,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562434807] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:35:56,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:35:56,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 13:35:56,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153413181] [2022-02-19 13:35:56,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:35:56,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 13:35:56,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:56,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 13:35:56,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 13:35:56,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,339 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:56,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 13:35:56,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,343 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-02-19 13:35:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 13:35:56,344 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:56,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:56,344 INFO L85 PathProgramCache]: Analyzing trace with hash -2034270070, now seen corresponding path program 1 times [2022-02-19 13:35:56,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:56,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782456608] [2022-02-19 13:35:56,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:56,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:56,371 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 13:35:56,371 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:56,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782456608] [2022-02-19 13:35:56,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782456608] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:35:56,372 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:35:56,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 13:35:56,372 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997946297] [2022-02-19 13:35:56,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:35:56,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 13:35:56,373 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:56,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 13:35:56,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 13:35:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:56,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 13:35:56,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,409 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-02-19 13:35:56,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 13:35:56,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-19 13:35:56,410 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:56,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:56,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1026219400, now seen corresponding path program 1 times [2022-02-19 13:35:56,410 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:56,410 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159533252] [2022-02-19 13:35:56,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:56,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:56,449 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 13:35:56,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:56,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159533252] [2022-02-19 13:35:56,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159533252] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 13:35:56,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028453872] [2022-02-19 13:35:56,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:56,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 13:35:56,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 13:35:56,457 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 13:35:56,466 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 13:35:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:56,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 13:35:56,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 13:35:56,643 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 13:35:56,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 13:35:56,750 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 13:35:56,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028453872] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 13:35:56,751 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 13:35:56,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 13:35:56,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565077296] [2022-02-19 13:35:56,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 13:35:56,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 13:35:56,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:56,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 13:35:56,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 13:35:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,753 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:56,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 13:35:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 13:35:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,818 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 105 transitions and produced 106 states. [2022-02-19 13:35:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 13:35:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:35:56,836 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 13:35:57,036 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 13:35:57,037 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:57,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:57,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1133667776, now seen corresponding path program 1 times [2022-02-19 13:35:57,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:57,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231532249] [2022-02-19 13:35:57,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:57,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 13:35:57,052 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 13:35:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 13:35:57,065 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 13:35:57,065 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 13:35:57,065 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-19 13:35:57,065 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-19 13:35:57,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-19 13:35:57,066 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-19 13:35:57,066 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-19 13:35:57,066 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-19 13:35:57,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,075 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,075 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,075 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,075 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,078 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,085 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,085 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,086 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,086 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,088 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 13:35:57,089 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 13:35:57,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 13:35:57,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 13:35:57,092 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 13:35:57,093 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 13:35:57,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 13:35:57,095 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=false, mMcrOverapproximateWrwc=true [2022-02-19 13:35:57,096 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 13:35:57,102 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-02-19 13:35:57,103 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:57,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:57,103 INFO L85 PathProgramCache]: Analyzing trace with hash 100400614, now seen corresponding path program 1 times [2022-02-19 13:35:57,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:57,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048610880] [2022-02-19 13:35:57,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:57,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:57,120 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 13:35:57,120 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:57,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048610880] [2022-02-19 13:35:57,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048610880] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:35:57,120 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:35:57,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 13:35:57,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174137001] [2022-02-19 13:35:57,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:35:57,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 13:35:57,121 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:57,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 13:35:57,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 13:35:57,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,121 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:57,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 13:35:57,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,124 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-02-19 13:35:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-19 13:35:57,125 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:57,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:57,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1607952423, now seen corresponding path program 1 times [2022-02-19 13:35:57,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:57,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854008861] [2022-02-19 13:35:57,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:57,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:57,146 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 13:35:57,146 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:57,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854008861] [2022-02-19 13:35:57,146 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854008861] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:35:57,146 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:35:57,146 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 13:35:57,146 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276739812] [2022-02-19 13:35:57,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:35:57,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 13:35:57,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:57,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 13:35:57,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 13:35:57,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,147 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:57,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 13:35:57,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,160 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-02-19 13:35:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 13:35:57,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-19 13:35:57,161 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:57,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:57,161 INFO L85 PathProgramCache]: Analyzing trace with hash -788208351, now seen corresponding path program 1 times [2022-02-19 13:35:57,161 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:57,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036625459] [2022-02-19 13:35:57,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:57,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:57,194 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 13:35:57,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:57,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036625459] [2022-02-19 13:35:57,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036625459] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 13:35:57,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508920329] [2022-02-19 13:35:57,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:57,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 13:35:57,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 13:35:57,215 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 13:35:57,218 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 13:35:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:57,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 13:35:57,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 13:35:57,387 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 13:35:57,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 13:35:57,480 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 13:35:57,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508920329] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 13:35:57,480 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 13:35:57,481 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 13:35:57,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802417114] [2022-02-19 13:35:57,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 13:35:57,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 13:35:57,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:57,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 13:35:57,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 13:35:57,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,482 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:57,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 13:35:57,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 13:35:57,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,558 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 190 transitions and produced 191 states. [2022-02-19 13:35:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 13:35:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:35:57,578 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 13:35:57,764 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 13:35:57,764 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 13:35:57,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 13:35:57,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1190125784, now seen corresponding path program 1 times [2022-02-19 13:35:57,770 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 13:35:57,770 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704084256] [2022-02-19 13:35:57,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 13:35:57,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 13:35:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 13:35:57,917 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 13:35:57,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 13:35:57,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704084256] [2022-02-19 13:35:57,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704084256] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 13:35:57,917 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 13:35:57,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 13:35:57,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127495518] [2022-02-19 13:35:57,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 13:35:57,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 13:35:57,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 13:35:57,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 13:35:57,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-19 13:35:57,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,918 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 13:35:57,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 13:35:57,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 13:35:57,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 13:35:57,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 13:35:57,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.