/usr/bin/java -Xmx16000000000 -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-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadMutex01-safe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 14:40:39,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 14:40:39,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 14:40:39,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 14:40:39,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 14:40:39,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 14:40:39,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 14:40:39,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 14:40:39,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 14:40:39,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 14:40:39,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 14:40:39,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 14:40:39,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 14:40:39,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 14:40:39,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 14:40:39,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 14:40:39,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 14:40:39,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 14:40:39,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 14:40:39,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 14:40:39,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 14:40:39,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 14:40:39,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 14:40:39,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 14:40:39,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 14:40:39,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 14:40:39,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 14:40:39,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 14:40:39,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 14:40:39,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 14:40:39,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 14:40:39,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 14:40:39,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 14:40:39,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 14:40:39,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 14:40:39,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 14:40:39,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 14:40:39,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 14:40:39,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 14:40:39,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 14:40:39,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 14:40:39,778 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-POR-DelaySleep-NoLbe-Random42.epf [2021-06-06 14:40:39,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 14:40:39,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 14:40:39,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 14:40:39,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 14:40:39,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 14:40:39,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 14:40:39,807 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 14:40:39,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 14:40:39,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 14:40:39,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 14:40:39,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 14:40:39,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 14:40:39,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 14:40:39,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 14:40:39,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 14:40:39,808 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 14:40:39,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 14:40:39,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 14:40:39,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 14:40:39,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 14:40:39,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 14:40:39,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 14:40:39,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 14:40:39,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 14:40:39,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 14:40:39,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 14:40:39,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 14:40:39,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 14:40:39,809 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 14:40:39,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 14:40:39,810 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 14:40:39,810 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 14:40:39,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 14:40:39,810 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 14:40:39,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 14:40:39,810 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 14:40:40,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 14:40:40,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 14:40:40,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 14:40:40,056 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 14:40:40,057 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 14:40:40,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadMutex01-safe.c [2021-06-06 14:40:40,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5d0c730d/850e28d3ec7a43cfa2093b461111c541/FLAG718714a34 [2021-06-06 14:40:40,415 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 14:40:40,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadMutex01-safe.c [2021-06-06 14:40:40,416 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 14:40:40,416 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 14:40:40,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5d0c730d/850e28d3ec7a43cfa2093b461111c541/FLAG718714a34 [2021-06-06 14:40:40,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5d0c730d/850e28d3ec7a43cfa2093b461111c541 [2021-06-06 14:40:40,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 14:40:40,887 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 14:40:40,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 14:40:40,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 14:40:40,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 14:40:40,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:40:40" (1/1) ... [2021-06-06 14:40:40,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d22131d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:40, skipping insertion in model container [2021-06-06 14:40:40,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:40:40" (1/1) ... [2021-06-06 14:40:40,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 14:40:40,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 14:40:40,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 14:40:40,984 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 14:40:40,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 14:40:41,004 INFO L208 MainTranslator]: Completed translation [2021-06-06 14:40:41,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41 WrapperNode [2021-06-06 14:40:41,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 14:40:41,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 14:40:41,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 14:40:41,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 14:40:41,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (1/1) ... [2021-06-06 14:40:41,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (1/1) ... [2021-06-06 14:40:41,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 14:40:41,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 14:40:41,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 14:40:41,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 14:40:41,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (1/1) ... [2021-06-06 14:40:41,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (1/1) ... [2021-06-06 14:40:41,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (1/1) ... [2021-06-06 14:40:41,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (1/1) ... [2021-06-06 14:40:41,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (1/1) ... [2021-06-06 14:40:41,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (1/1) ... [2021-06-06 14:40:41,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (1/1) ... [2021-06-06 14:40:41,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 14:40:41,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 14:40:41,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 14:40:41,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 14:40:41,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 14:40:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-06-06 14:40:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-06 14:40:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 14:40:41,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 14:40:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 14:40:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 14:40:41,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 14:40:41,261 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-06 14:40:41,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:40:41 BoogieIcfgContainer [2021-06-06 14:40:41,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 14:40:41,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 14:40:41,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 14:40:41,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 14:40:41,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 02:40:40" (1/3) ... [2021-06-06 14:40:41,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757bae1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:40:41, skipping insertion in model container [2021-06-06 14:40:41,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:40:41" (2/3) ... [2021-06-06 14:40:41,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757bae1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:40:41, skipping insertion in model container [2021-06-06 14:40:41,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:40:41" (3/3) ... [2021-06-06 14:40:41,266 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadMutex01-safe.c [2021-06-06 14:40:41,269 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 14:40:41,270 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-06 14:40:41,283 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 14:40:41,313 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 14:40:41,313 INFO L379 AbstractCegarLoop]: Hoare is true [2021-06-06 14:40:41,313 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 14:40:41,313 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 14:40:41,313 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 14:40:41,314 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 14:40:41,314 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 14:40:41,314 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 14:40:41,324 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:40:41,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:40:41,327 INFO L82 PathProgramCache]: Analyzing trace with hash 28697735, now seen corresponding path program 1 times [2021-06-06 14:40:41,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:40:41,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017554396] [2021-06-06 14:40:41,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:40:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:40:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:40:41,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:40:41,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017554396] [2021-06-06 14:40:41,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017554396] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:40:41,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:40:41,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 14:40:41,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41140718] [2021-06-06 14:40:41,466 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 14:40:41,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:40:41,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 14:40:41,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 14:40:41,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:40:41,476 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:40:41,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-06-06 14:40:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:40:41,478 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 14:40:41,478 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate cannot be cast to class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate (de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate and de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @7efaad5a) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop$InformationStorageFactory.intersection(PartialOrderCegarLoop.java:422) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop$InformationStorageFactory.intersection(PartialOrderCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.InformationStorage.createProductState(InformationStorage.java:72) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.getOrConstructState(ProductNwa.java:123) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.constructInitialState(ProductNwa.java:108) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.getInitialStates(ProductNwa.java:142) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:209) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-06-06 14:40:41,495 INFO L168 Benchmark]: Toolchain (without parser) took 608.07 ms. Allocated memory is still 369.1 MB. Free memory was 331.3 MB in the beginning and 318.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.0 GB. [2021-06-06 14:40:41,495 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 369.1 MB. Free memory was 349.6 MB in the beginning and 349.5 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 14:40:41,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 117.56 ms. Allocated memory is still 369.1 MB. Free memory was 331.2 MB in the beginning and 352.8 MB in the end (delta: -21.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-06 14:40:41,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.45 ms. Allocated memory is still 369.1 MB. Free memory was 352.8 MB in the beginning and 351.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:40:41,497 INFO L168 Benchmark]: Boogie Preprocessor took 22.79 ms. Allocated memory is still 369.1 MB. Free memory was 351.7 MB in the beginning and 350.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 14:40:41,497 INFO L168 Benchmark]: RCFGBuilder took 204.40 ms. Allocated memory is still 369.1 MB. Free memory was 350.7 MB in the beginning and 337.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-06 14:40:41,498 INFO L168 Benchmark]: TraceAbstraction took 231.52 ms. Allocated memory is still 369.1 MB. Free memory was 336.0 MB in the beginning and 318.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-06 14:40:41,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 369.1 MB. Free memory was 349.6 MB in the beginning and 349.5 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 117.56 ms. Allocated memory is still 369.1 MB. Free memory was 331.2 MB in the beginning and 352.8 MB in the end (delta: -21.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.45 ms. Allocated memory is still 369.1 MB. Free memory was 352.8 MB in the beginning and 351.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.79 ms. Allocated memory is still 369.1 MB. Free memory was 351.7 MB in the beginning and 350.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 204.40 ms. Allocated memory is still 369.1 MB. Free memory was 350.7 MB in the beginning and 337.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 231.52 ms. Allocated memory is still 369.1 MB. Free memory was 336.0 MB in the beginning and 318.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate cannot be cast to class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate (de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate and de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @7efaad5a) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ClassCastException: class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate cannot be cast to class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate (de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate and de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @7efaad5a): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop$InformationStorageFactory.intersection(PartialOrderCegarLoop.java:422) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...