/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/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 12:32:40,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 12:32:40,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 12:32:40,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 12:32:40,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 12:32:40,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 12:32:40,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 12:32:40,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 12:32:40,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 12:32:40,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 12:32:40,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 12:32:40,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 12:32:40,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 12:32:40,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 12:32:40,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 12:32:40,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 12:32:40,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 12:32:40,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 12:32:40,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 12:32:40,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 12:32:40,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 12:32:40,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 12:32:40,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 12:32:40,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 12:32:40,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 12:32:40,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 12:32:40,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 12:32:40,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 12:32:40,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 12:32:40,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 12:32:40,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 12:32:40,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 12:32:40,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 12:32:40,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 12:32:40,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 12:32:40,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 12:32:40,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 12:32:40,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 12:32:40,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 12:32:40,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 12:32:40,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 12:32:40,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-15 12:32:40,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 12:32:40,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 12:32:40,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 12:32:40,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 12:32:40,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 12:32:40,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 12:32:40,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 12:32:40,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 12:32:40,883 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 12:32:40,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 12:32:40,884 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 12:32:40,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 12:32:40,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 12:32:40,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 12:32:40,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 12:32:40,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 12:32:40,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 12:32:40,885 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 12:32:40,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 12:32:40,885 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 12:32:40,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 12:32:40,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 12:32:40,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 12:32:40,886 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 12:32:40,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 12:32:40,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 12:32:40,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 12:32:40,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 12:32:40,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 12:32:40,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 12:32:40,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 12:32:40,888 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 12:32:40,888 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 12:32:40,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 12:32:40,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 12:32:40,888 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 12:32:40,888 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 12:32:40,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-15 12:32:40,889 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 12:32:41,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 12:32:41,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 12:32:41,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 12:32:41,153 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 12:32:41,154 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 12:32:41,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2022-11-15 12:32:41,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84954922/9ff5ca394a96420092af0869338cae9b/FLAG506e46f27 [2022-11-15 12:32:41,610 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 12:32:41,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2022-11-15 12:32:41,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84954922/9ff5ca394a96420092af0869338cae9b/FLAG506e46f27 [2022-11-15 12:32:41,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84954922/9ff5ca394a96420092af0869338cae9b [2022-11-15 12:32:41,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 12:32:41,629 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 12:32:41,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 12:32:41,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 12:32:41,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 12:32:41,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da7e73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41, skipping insertion in model container [2022-11-15 12:32:41,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 12:32:41,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 12:32:41,840 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2022-11-15 12:32:41,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 12:32:41,846 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 12:32:41,875 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2022-11-15 12:32:41,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 12:32:41,893 INFO L208 MainTranslator]: Completed translation [2022-11-15 12:32:41,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41 WrapperNode [2022-11-15 12:32:41,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 12:32:41,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 12:32:41,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 12:32:41,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 12:32:41,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,920 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2022-11-15 12:32:41,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 12:32:41,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 12:32:41,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 12:32:41,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 12:32:41,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,939 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 12:32:41,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 12:32:41,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 12:32:41,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 12:32:41,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (1/1) ... [2022-11-15 12:32:41,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 12:32:41,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 12:32:41,975 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) [2022-11-15 12:32:41,977 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 [2022-11-15 12:32:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 12:32:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 12:32:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 12:32:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 12:32:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 12:32:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-15 12:32:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-15 12:32:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 12:32:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 12:32:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 12:32:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 12:32:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 12:32:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 12:32:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 12:32:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 12:32:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 12:32:42,019 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 12:32:42,135 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 12:32:42,137 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 12:32:42,377 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 12:32:42,459 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 12:32:42,459 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-15 12:32:42,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 12:32:42 BoogieIcfgContainer [2022-11-15 12:32:42,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 12:32:42,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 12:32:42,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 12:32:42,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 12:32:42,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 12:32:41" (1/3) ... [2022-11-15 12:32:42,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61da62ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 12:32:42, skipping insertion in model container [2022-11-15 12:32:42,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:32:41" (2/3) ... [2022-11-15 12:32:42,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61da62ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 12:32:42, skipping insertion in model container [2022-11-15 12:32:42,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 12:32:42" (3/3) ... [2022-11-15 12:32:42,478 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2022-11-15 12:32:42,485 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 12:32:42,493 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 12:32:42,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-15 12:32:42,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61da62ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 12:32:42, skipping insertion in model container [2022-11-15 12:32:42,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 12:32:42,497 INFO L158 Benchmark]: Toolchain (without parser) took 866.78ms. Allocated memory is still 182.5MB. Free memory was 132.0MB in the beginning and 138.1MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 12:32:42,499 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 182.5MB. Free memory was 148.2MB in the beginning and 148.1MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 12:32:42,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.02ms. Allocated memory is still 182.5MB. Free memory was 131.8MB in the beginning and 159.8MB in the end (delta: -28.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-11-15 12:32:42,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.63ms. Allocated memory is still 182.5MB. Free memory was 159.8MB in the beginning and 158.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-15 12:32:42,502 INFO L158 Benchmark]: Boogie Preprocessor took 19.81ms. Allocated memory is still 182.5MB. Free memory was 158.1MB in the beginning and 156.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 12:32:42,503 INFO L158 Benchmark]: RCFGBuilder took 519.19ms. Allocated memory is still 182.5MB. Free memory was 156.7MB in the beginning and 140.6MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-11-15 12:32:42,503 INFO L158 Benchmark]: TraceAbstraction took 32.47ms. Allocated memory is still 182.5MB. Free memory was 140.2MB in the beginning and 138.1MB in the end (delta: 2.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-15 12:32:42,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 182.5MB. Free memory was 148.2MB in the beginning and 148.1MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 258.02ms. Allocated memory is still 182.5MB. Free memory was 131.8MB in the beginning and 159.8MB in the end (delta: -28.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.63ms. Allocated memory is still 182.5MB. Free memory was 159.8MB in the beginning and 158.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.81ms. Allocated memory is still 182.5MB. Free memory was 158.1MB in the beginning and 156.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 519.19ms. Allocated memory is still 182.5MB. Free memory was 156.7MB in the beginning and 140.6MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 32.47ms. Allocated memory is still 182.5MB. Free memory was 140.2MB in the beginning and 138.1MB in the end (delta: 2.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-15 12:32:42,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...