/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/weaver/bench-exp2x4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 03:39:05,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 03:39:05,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 03:39:05,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 03:39:05,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 03:39:05,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 03:39:05,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 03:39:05,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 03:39:05,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 03:39:05,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 03:39:05,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 03:39:05,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 03:39:05,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 03:39:05,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 03:39:05,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 03:39:05,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 03:39:05,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 03:39:05,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 03:39:05,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 03:39:05,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 03:39:05,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 03:39:05,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 03:39:05,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 03:39:05,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 03:39:05,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 03:39:05,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 03:39:05,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 03:39:05,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 03:39:05,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 03:39:05,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-04 03:39:05,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 03:39:05,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 03:39:05,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 03:39:05,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 03:39:05,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 03:39:05,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 03:39:05,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 03:39:05,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 03:39:05,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 03:39:05,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 03:39:05,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 03:39:05,455 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 [2022-03-04 03:39:05,469 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 03:39:05,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 03:39:05,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 03:39:05,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 03:39:05,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 03:39:05,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 03:39:05,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 03:39:05,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 03:39:05,470 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 03:39:05,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 03:39:05,470 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 03:39:05,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 03:39:05,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 03:39:05,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 03:39:05,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 03:39:05,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 03:39:05,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 03:39:05,471 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 03:39:05,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 03:39:05,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 03:39:05,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 03:39:05,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 03:39:05,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 03:39:05,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 03:39:05,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 03:39:05,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 03:39:05,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 03:39:05,472 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 03:39:05,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 03:39:05,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 03:39:05,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 03:39:05,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 03:39:05,472 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 03:39:05,473 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 03:39:05,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 03:39:05,473 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 03:39:05,473 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 03:39:05,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 03:39:05,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 03:39:05,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 03:39:05,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 03:39:05,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 03:39:05,680 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 03:39:05,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2022-03-04 03:39:05,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1eb7b92c/576bf68ba00540f4b93ba470e95bd865/FLAGf85d8653f [2022-03-04 03:39:06,058 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 03:39:06,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2022-03-04 03:39:06,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1eb7b92c/576bf68ba00540f4b93ba470e95bd865/FLAGf85d8653f [2022-03-04 03:39:06,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1eb7b92c/576bf68ba00540f4b93ba470e95bd865 [2022-03-04 03:39:06,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 03:39:06,488 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 03:39:06,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 03:39:06,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 03:39:06,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 03:39:06,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d22d256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06, skipping insertion in model container [2022-03-04 03:39:06,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 03:39:06,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 03:39:06,676 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-exp2x4.wvr.c[2309,2322] [2022-03-04 03:39:06,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 03:39:06,695 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 03:39:06,738 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-exp2x4.wvr.c[2309,2322] [2022-03-04 03:39:06,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 03:39:06,751 INFO L208 MainTranslator]: Completed translation [2022-03-04 03:39:06,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06 WrapperNode [2022-03-04 03:39:06,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 03:39:06,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 03:39:06,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 03:39:06,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 03:39:06,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,795 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-03-04 03:39:06,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 03:39:06,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 03:39:06,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 03:39:06,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 03:39:06,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 03:39:06,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 03:39:06,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 03:39:06,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 03:39:06,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (1/1) ... [2022-03-04 03:39:06,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 03:39:06,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:06,857 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) [2022-03-04 03:39:06,873 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 [2022-03-04 03:39:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 03:39:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 03:39:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 03:39:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 03:39:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 03:39:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 03:39:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 03:39:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 03:39:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 03:39:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 03:39:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 03:39:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 03:39:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 03:39:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 03:39:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 03:39:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 03:39:06,901 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 03:39:07,005 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 03:39:07,006 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 03:39:07,256 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 03:39:07,262 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 03:39:07,262 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-04 03:39:07,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 03:39:07 BoogieIcfgContainer [2022-03-04 03:39:07,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 03:39:07,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 03:39:07,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 03:39:07,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 03:39:07,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:39:06" (1/3) ... [2022-03-04 03:39:07,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fbebac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:39:07, skipping insertion in model container [2022-03-04 03:39:07,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:06" (2/3) ... [2022-03-04 03:39:07,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fbebac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:39:07, skipping insertion in model container [2022-03-04 03:39:07,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 03:39:07" (3/3) ... [2022-03-04 03:39:07,274 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2022-03-04 03:39:07,278 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 03:39:07,278 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 03:39:07,278 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 03:39:07,278 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 03:39:07,327 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,327 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,327 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,327 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,336 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,337 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,337 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,337 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,339 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,339 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,339 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,340 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,345 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,346 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,349 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,350 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,353 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,353 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:07,358 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 03:39:07,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 03:39:07,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:07,399 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) [2022-03-04 03:39:07,400 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 [2022-03-04 03:39:07,420 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 03:39:07,425 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 [2022-03-04 03:39:07,425 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 03:39:07,500 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-03-04 03:39:07,501 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)] === [2022-03-04 03:39:07,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:07,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1241120586, now seen corresponding path program 1 times [2022-03-04 03:39:07,511 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:07,512 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458158162] [2022-03-04 03:39:07,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:07,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:07,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:07,649 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:07,649 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458158162] [2022-03-04 03:39:07,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458158162] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:39:07,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:39:07,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 03:39:07,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143251758] [2022-03-04 03:39:07,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:39:07,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-04 03:39:07,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:07,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-04 03:39:07,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-04 03:39:07,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:07,671 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:07,672 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) [2022-03-04 03:39:07,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:07,698 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-03-04 03:39:07,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:07,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 03:39:07,699 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)] === [2022-03-04 03:39:07,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:07,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1807342392, now seen corresponding path program 1 times [2022-03-04 03:39:07,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:07,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392533878] [2022-03-04 03:39:07,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:07,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:08,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:08,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392533878] [2022-03-04 03:39:08,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392533878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:39:08,132 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:39:08,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-04 03:39:08,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312274069] [2022-03-04 03:39:08,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:39:08,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-04 03:39:08,134 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:08,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-04 03:39:08,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-04 03:39:08,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:08,135 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:08,135 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) [2022-03-04 03:39:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:08,395 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 375 transitions and produced 358 states. [2022-03-04 03:39:08,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:08,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:08,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 03:39:08,396 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)] === [2022-03-04 03:39:08,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:08,396 INFO L85 PathProgramCache]: Analyzing trace with hash -348324485, now seen corresponding path program 1 times [2022-03-04 03:39:08,397 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:08,397 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615417020] [2022-03-04 03:39:08,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:08,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:08,522 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:08,522 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615417020] [2022-03-04 03:39:08,522 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615417020] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:39:08,522 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:39:08,522 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-04 03:39:08,523 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698400953] [2022-03-04 03:39:08,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:39:08,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 03:39:08,523 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:08,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 03:39:08,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-04 03:39:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:08,524 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:08,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2022-03-04 03:39:08,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:08,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:08,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:08,656 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 597 transitions and produced 439 states. [2022-03-04 03:39:08,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:08,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:08,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 03:39:08,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 03:39:08,657 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)] === [2022-03-04 03:39:08,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:08,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1154521188, now seen corresponding path program 1 times [2022-03-04 03:39:08,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:08,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817126860] [2022-03-04 03:39:08,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:08,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:08,839 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:08,839 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817126860] [2022-03-04 03:39:08,839 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817126860] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 03:39:08,839 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005405032] [2022-03-04 03:39:08,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:08,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 03:39:08,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:08,866 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) [2022-03-04 03:39:08,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 03:39:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:08,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-04 03:39:08,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 03:39:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:09,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 03:39:09,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:09,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005405032] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 03:39:09,632 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 03:39:09,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-03-04 03:39:09,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041996595] [2022-03-04 03:39:09,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 03:39:09,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-04 03:39:09,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:09,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-04 03:39:09,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-03-04 03:39:09,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:09,634 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:09,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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) [2022-03-04 03:39:09,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:09,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:09,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 03:39:09,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:10,044 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 605 transitions and produced 447 states. [2022-03-04 03:39:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 03:39:10,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 03:39:10,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 03:39:10,245 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 [2022-03-04 03:39:10,246 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)] === [2022-03-04 03:39:10,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:10,246 INFO L85 PathProgramCache]: Analyzing trace with hash 721458271, now seen corresponding path program 1 times [2022-03-04 03:39:10,246 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:10,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113183688] [2022-03-04 03:39:10,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:10,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:11,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:11,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113183688] [2022-03-04 03:39:11,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113183688] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 03:39:11,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782628329] [2022-03-04 03:39:11,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:11,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 03:39:11,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:11,026 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) [2022-03-04 03:39:11,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 03:39:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:11,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 20 conjunts are in the unsatisfiable core [2022-03-04 03:39:11,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-04 03:53:50,451 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 [2022-03-04 03:53:50,451 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 [2022-03-04 03:53:50,452 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 [2022-03-04 03:53:50,555 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-04 03:53:50,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 03:53:50,760 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 [2022-03-04 03:53:50,760 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. [2022-03-04 03:53:50,761 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-04 03:53:50,762 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-04 03:53:50,762 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-04 03:53:50,762 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-04 03:53:50,766 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-04 03:53:50,768 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 03:53:50,768 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 03:53:50,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 03:53:50 BasicIcfg [2022-03-04 03:53:50,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 03:53:50,775 INFO L158 Benchmark]: Toolchain (without parser) took 884281.29ms. Allocated memory was 184.5MB in the beginning and 843.1MB in the end (delta: 658.5MB). Free memory was 132.2MB in the beginning and 416.3MB in the end (delta: -284.1MB). Peak memory consumption was 502.4MB. Max. memory is 8.0GB. [2022-03-04 03:53:50,776 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 03:53:50,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.36ms. Allocated memory is still 184.5MB. Free memory was 132.1MB in the beginning and 159.1MB in the end (delta: -27.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-04 03:53:50,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.74ms. Allocated memory is still 184.5MB. Free memory was 159.1MB in the beginning and 157.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 03:53:50,776 INFO L158 Benchmark]: Boogie Preprocessor took 34.18ms. Allocated memory is still 184.5MB. Free memory was 157.0MB in the beginning and 155.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 03:53:50,777 INFO L158 Benchmark]: RCFGBuilder took 434.89ms. Allocated memory is still 184.5MB. Free memory was 155.9MB in the beginning and 141.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-04 03:53:50,777 INFO L158 Benchmark]: TraceAbstraction took 883500.91ms. Allocated memory was 184.5MB in the beginning and 843.1MB in the end (delta: 658.5MB). Free memory was 140.7MB in the beginning and 416.3MB in the end (delta: -275.6MB). Peak memory consumption was 511.0MB. Max. memory is 8.0GB. [2022-03-04 03:53:50,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 262.36ms. Allocated memory is still 184.5MB. Free memory was 132.1MB in the beginning and 159.1MB in the end (delta: -27.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.74ms. Allocated memory is still 184.5MB. Free memory was 159.1MB in the beginning and 157.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.18ms. Allocated memory is still 184.5MB. Free memory was 157.0MB in the beginning and 155.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 434.89ms. Allocated memory is still 184.5MB. Free memory was 155.9MB in the beginning and 141.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 883500.91ms. Allocated memory was 184.5MB in the beginning and 843.1MB in the end (delta: 658.5MB). Free memory was 140.7MB in the beginning and 416.3MB in the end (delta: -275.6MB). Peak memory consumption was 511.0MB. 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: 96]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - TimeoutResultAtElement [Line: 89]: 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 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - TimeoutResultAtElement [Line: 87]: 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 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - TimeoutResultAtElement [Line: 88]: 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 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - TimeoutResultAtElement [Line: 86]: 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 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 148 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 883.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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, 1.3s InterpolantComputationTime, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 560 ConstructedInterpolants, 0 QuantifiedInterpolants, 5554 SizeOfPredicates, 10 NumberOfNonLiveVariables, 253 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