/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 22:32:05,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 22:32:05,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 22:32:05,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 22:32:05,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 22:32:05,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 22:32:05,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 22:32:05,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 22:32:05,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 22:32:05,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 22:32:05,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 22:32:05,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 22:32:05,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 22:32:05,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 22:32:05,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 22:32:05,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 22:32:05,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 22:32:05,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 22:32:05,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 22:32:05,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 22:32:05,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 22:32:05,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 22:32:05,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 22:32:05,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 22:32:05,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 22:32:05,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 22:32:05,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 22:32:05,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 22:32:05,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 22:32:05,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-03 22:32:05,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 22:32:05,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 22:32:05,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 22:32:05,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 22:32:05,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 22:32:05,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 22:32:05,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 22:32:05,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 22:32:05,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 22:32:05,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 22:32:05,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 22:32:05,387 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-wrwc.epf [2022-03-03 22:32:05,403 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 22:32:05,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 22:32:05,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 22:32:05,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 22:32:05,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 22:32:05,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 22:32:05,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 22:32:05,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 22:32:05,407 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 22:32:05,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 22:32:05,407 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 22:32:05,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 22:32:05,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 22:32:05,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 22:32:05,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 22:32:05,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 22:32:05,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 22:32:05,408 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 22:32:05,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 22:32:05,408 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 22:32:05,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 22:32:05,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 22:32:05,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 22:32:05,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 22:32:05,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 22:32:05,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 22:32:05,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 22:32:05,409 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-03 22:32:05,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 22:32:05,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 22:32:05,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 22:32:05,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 22:32:05,410 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 22:32:05,410 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-03 22:32:05,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 22:32:05,410 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-03 22:32:05,410 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-03 22:32:05,410 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-03 22:32:05,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 22:32:05,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 22:32:05,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 22:32:05,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 22:32:05,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 22:32:05,617 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 22:32:05,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2022-03-03 22:32:05,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116916a83/a29aa42ec4d349159941b0c93be23817/FLAG6d17bf880 [2022-03-03 22:32:06,141 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 22:32:06,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2022-03-03 22:32:06,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116916a83/a29aa42ec4d349159941b0c93be23817/FLAG6d17bf880 [2022-03-03 22:32:06,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116916a83/a29aa42ec4d349159941b0c93be23817 [2022-03-03 22:32:06,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 22:32:06,559 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 22:32:06,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 22:32:06,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 22:32:06,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 22:32:06,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cc9e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06, skipping insertion in model container [2022-03-03 22:32:06,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 22:32:06,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 22:32:06,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-03-03 22:32:06,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 22:32:06,733 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 22:32:06,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-03-03 22:32:06,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 22:32:06,758 INFO L208 MainTranslator]: Completed translation [2022-03-03 22:32:06,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06 WrapperNode [2022-03-03 22:32:06,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 22:32:06,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 22:32:06,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 22:32:06,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 22:32:06,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,812 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-03-03 22:32:06,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 22:32:06,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 22:32:06,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 22:32:06,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 22:32:06,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 22:32:06,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 22:32:06,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 22:32:06,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 22:32:06,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (1/1) ... [2022-03-03 22:32:06,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 22:32:06,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 22:32:06,867 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) [2022-03-03 22:32:06,872 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 [2022-03-03 22:32:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 22:32:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-03 22:32:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-03 22:32:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-03 22:32:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-03 22:32:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-03 22:32:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-03 22:32:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-03 22:32:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-03 22:32:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 22:32:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 22:32:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 22:32:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 22:32:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 22:32:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 22:32:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 22:32:06,920 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 22:32:06,977 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 22:32:06,978 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 22:32:07,249 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 22:32:07,257 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 22:32:07,257 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-03 22:32:07,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 10:32:07 BoogieIcfgContainer [2022-03-03 22:32:07,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 22:32:07,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 22:32:07,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 22:32:07,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 22:32:07,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 10:32:06" (1/3) ... [2022-03-03 22:32:07,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c55738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:32:07, skipping insertion in model container [2022-03-03 22:32:07,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:32:06" (2/3) ... [2022-03-03 22:32:07,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c55738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:32:07, skipping insertion in model container [2022-03-03 22:32:07,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 10:32:07" (3/3) ... [2022-03-03 22:32:07,266 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2022-03-03 22:32:07,269 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 22:32:07,270 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 22:32:07,270 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 22:32:07,270 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 22:32:07,302 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,302 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,310 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,310 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,310 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,310 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,315 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,315 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,317 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,317 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,317 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,318 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 22:32:07,322 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-03 22:32:07,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-03 22:32:07,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 22:32:07,355 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) [2022-03-03 22:32:07,375 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 [2022-03-03 22:32:07,399 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 22:32:07,404 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=false [2022-03-03 22:32:07,405 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-03 22:32:07,495 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-03-03 22:32:07,497 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 22:32:07,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 22:32:07,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1911691711, now seen corresponding path program 1 times [2022-03-03 22:32:07,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 22:32:07,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472154756] [2022-03-03 22:32:07,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 22:32:07,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 22:32:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 22:32:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 22:32:07,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 22:32:07,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472154756] [2022-03-03 22:32:07,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472154756] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 22:32:07,668 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 22:32:07,668 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 22:32:07,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870063827] [2022-03-03 22:32:07,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 22:32:07,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-03 22:32:07,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 22:32:07,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-03 22:32:07,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 22:32:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:07,687 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 22:32:07,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 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) [2022-03-03 22:32:07,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:07,742 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-03-03 22:32:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:07,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 22:32:07,744 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 22:32:07,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 22:32:07,745 INFO L85 PathProgramCache]: Analyzing trace with hash 353551930, now seen corresponding path program 1 times [2022-03-03 22:32:07,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 22:32:07,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66732050] [2022-03-03 22:32:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 22:32:07,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 22:32:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 22:32:08,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 22:32:08,112 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 22:32:08,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66732050] [2022-03-03 22:32:08,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66732050] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 22:32:08,113 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 22:32:08,113 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 22:32:08,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723180393] [2022-03-03 22:32:08,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 22:32:08,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 22:32:08,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 22:32:08,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 22:32:08,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-03 22:32:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:08,116 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 22:32:08,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2022-03-03 22:32:08,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:08,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:08,352 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 379 transitions and produced 362 states. [2022-03-03 22:32:08,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:08,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 22:32:08,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 22:32:08,354 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 22:32:08,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 22:32:08,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1118418852, now seen corresponding path program 1 times [2022-03-03 22:32:08,354 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 22:32:08,354 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577730340] [2022-03-03 22:32:08,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 22:32:08,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 22:32:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 22:32:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 22:32:08,681 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 22:32:08,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577730340] [2022-03-03 22:32:08,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577730340] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 22:32:08,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 22:32:08,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 22:32:08,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421278832] [2022-03-03 22:32:08,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 22:32:08,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 22:32:08,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 22:32:08,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 22:32:08,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-03-03 22:32:08,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:08,685 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 22:32:08,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2022-03-03 22:32:08,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:08,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-03 22:32:08,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:08,882 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 607 transitions and produced 449 states. [2022-03-03 22:32:08,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:08,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 22:32:08,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 22:32:08,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 22:32:08,883 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 22:32:08,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 22:32:08,884 INFO L85 PathProgramCache]: Analyzing trace with hash 518360785, now seen corresponding path program 1 times [2022-03-03 22:32:08,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 22:32:08,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438205912] [2022-03-03 22:32:08,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 22:32:08,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 22:32:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 22:32:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 22:32:09,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 22:32:09,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438205912] [2022-03-03 22:32:09,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438205912] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 22:32:09,242 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558854265] [2022-03-03 22:32:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 22:32:09,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 22:32:09,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 22:32:09,245 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) [2022-03-03 22:32:09,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-03 22:32:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 22:32:09,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-03 22:32:09,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 22:32:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 22:32:09,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 22:32:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 22:32:10,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558854265] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 22:32:10,139 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 22:32:10,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-03-03 22:32:10,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658851754] [2022-03-03 22:32:10,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 22:32:10,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-03 22:32:10,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 22:32:10,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-03 22:32:10,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-03-03 22:32:10,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:10,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 22:32:10,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.857142857142858) internal successors, (180), 14 states have internal predecessors, (180), 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) [2022-03-03 22:32:10,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:10,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-03 22:32:10,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-03 22:32:10,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:10,593 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 619 transitions and produced 461 states. [2022-03-03 22:32:10,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 22:32:10,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 22:32:10,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 22:32:10,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 22:32:10,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-03 22:32:10,794 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,SelfDestructingSolverStorable3 [2022-03-03 22:32:10,795 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 22:32:10,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 22:32:10,796 INFO L85 PathProgramCache]: Analyzing trace with hash -687884947, now seen corresponding path program 1 times [2022-03-03 22:32:10,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 22:32:10,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254848570] [2022-03-03 22:32:10,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 22:32:10,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 22:32:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 22:32:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 22:32:12,286 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 22:32:12,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254848570] [2022-03-03 22:32:12,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254848570] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 22:32:12,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466951766] [2022-03-03 22:32:12,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 22:32:12,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 22:32:12,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 22:32:12,287 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 22:32:12,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-03 22:32:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 22:32:44,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-03 22:32:44,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-03 22:46:51,183 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-03 22:46:51,184 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-03 22:46:51,184 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-03 22:46:51,508 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-03-03 22:46:51,511 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-03 22:46:51,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-03 22:46:51,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 22:46:51,722 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1039-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 1039 xjuncts wrt. a ATOM-1 context. [2022-03-03 22:46:51,724 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-03 22:46:51,724 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-03 22:46:51,724 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-03 22:46:51,724 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-03 22:46:51,729 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-03 22:46:51,730 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 22:46:51,730 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 22:46:51,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 10:46:51 BasicIcfg [2022-03-03 22:46:51,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 22:46:51,732 INFO L158 Benchmark]: Toolchain (without parser) took 885173.21ms. Allocated memory was 223.3MB in the beginning and 903.9MB in the end (delta: 680.5MB). Free memory was 172.3MB in the beginning and 706.8MB in the end (delta: -534.6MB). Peak memory consumption was 594.3MB. Max. memory is 8.0GB. [2022-03-03 22:46:51,733 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 223.3MB. Free memory was 189.3MB in the beginning and 189.2MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 22:46:51,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.28ms. Allocated memory is still 223.3MB. Free memory was 172.1MB in the beginning and 197.0MB in the end (delta: -24.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-03 22:46:51,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.62ms. Allocated memory is still 223.3MB. Free memory was 197.0MB in the beginning and 195.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 22:46:51,733 INFO L158 Benchmark]: Boogie Preprocessor took 22.13ms. Allocated memory is still 223.3MB. Free memory was 195.4MB in the beginning and 193.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 22:46:51,734 INFO L158 Benchmark]: RCFGBuilder took 422.59ms. Allocated memory is still 223.3MB. Free memory was 193.8MB in the beginning and 179.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-03 22:46:51,734 INFO L158 Benchmark]: TraceAbstraction took 884470.59ms. Allocated memory was 223.3MB in the beginning and 903.9MB in the end (delta: 680.5MB). Free memory was 179.2MB in the beginning and 706.8MB in the end (delta: -527.7MB). Peak memory consumption was 603.2MB. Max. memory is 8.0GB. [2022-03-03 22:46:51,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 223.3MB. Free memory was 189.3MB in the beginning and 189.2MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 196.28ms. Allocated memory is still 223.3MB. Free memory was 172.1MB in the beginning and 197.0MB in the end (delta: -24.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.62ms. Allocated memory is still 223.3MB. Free memory was 197.0MB in the beginning and 195.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.13ms. Allocated memory is still 223.3MB. Free memory was 195.4MB in the beginning and 193.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 422.59ms. Allocated memory is still 223.3MB. Free memory was 193.8MB in the beginning and 179.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 884470.59ms. Allocated memory was 223.3MB in the beginning and 903.9MB in the end (delta: 680.5MB). Free memory was 179.2MB in the beginning and 706.8MB in the end (delta: -527.7MB). Peak memory consumption was 603.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1039-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 1039 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1039-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 1039 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1039-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 1039 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1039-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 1039 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-1039-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 1039 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 164 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 884.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 477 NumberOfCodeBlocks, 477 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 568 ConstructedInterpolants, 0 QuantifiedInterpolants, 6873 SizeOfPredicates, 10 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 1/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-03-03 22:46:51,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0