/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-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 12:54:49,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 12:54:49,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 12:54:49,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 12:54:49,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 12:54:49,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 12:54:49,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 12:54:49,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 12:54:49,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 12:54:49,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 12:54:49,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 12:54:49,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 12:54:49,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 12:54:49,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 12:54:49,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 12:54:49,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 12:54:49,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 12:54:49,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 12:54:49,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 12:54:49,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 12:54:49,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 12:54:49,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 12:54:49,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 12:54:49,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 12:54:49,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 12:54:49,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 12:54:49,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 12:54:49,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 12:54:49,564 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-BasicCegarLoop.epf [2022-02-16 12:54:49,603 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 12:54:49,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 12:54:49,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 12:54:49,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 12:54:49,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 12:54:49,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 12:54:49,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 12:54:49,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 12:54:49,605 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 12:54:49,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 12:54:49,606 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 12:54:49,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 12:54:49,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 12:54:49,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 12:54:49,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 12:54:49,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 12:54:49,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 12:54:49,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 12:54:49,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 12:54:49,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 12:54:49,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 12:54:49,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 12:54:49,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 12:54:49,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 12:54:49,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 12:54:49,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 12:54:49,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 12:54:49,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 12:54:49,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 12:54:49,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 12:54:49,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 12:54:49,615 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 12:54:49,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 12:54:49,615 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 12:54:49,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 12:54:49,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 12:54:49,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 12:54:49,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 12:54:49,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 12:54:49,849 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 12:54:49,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2022-02-16 12:54:49,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252e13e74/2ac6aac544404bcc99c94586c9a48e3f/FLAGe9ffca7fb [2022-02-16 12:54:50,284 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 12:54:50,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2022-02-16 12:54:50,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252e13e74/2ac6aac544404bcc99c94586c9a48e3f/FLAGe9ffca7fb [2022-02-16 12:54:50,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252e13e74/2ac6aac544404bcc99c94586c9a48e3f [2022-02-16 12:54:50,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 12:54:50,304 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 12:54:50,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 12:54:50,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 12:54:50,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 12:54:50,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43743948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50, skipping insertion in model container [2022-02-16 12:54:50,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 12:54:50,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 12:54:50,500 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/chl-sre-subst.wvr.c[2333,2346] [2022-02-16 12:54:50,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 12:54:50,509 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 12:54:50,530 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/chl-sre-subst.wvr.c[2333,2346] [2022-02-16 12:54:50,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 12:54:50,542 INFO L208 MainTranslator]: Completed translation [2022-02-16 12:54:50,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50 WrapperNode [2022-02-16 12:54:50,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 12:54:50,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 12:54:50,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 12:54:50,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 12:54:50,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,573 INFO L137 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-02-16 12:54:50,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 12:54:50,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 12:54:50,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 12:54:50,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 12:54:50,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 12:54:50,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 12:54:50,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 12:54:50,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 12:54:50,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (1/1) ... [2022-02-16 12:54:50,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 12:54:50,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 12:54:50,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 12:54:50,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 12:54:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 12:54:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 12:54:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 12:54:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 12:54:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 12:54:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 12:54:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 12:54:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 12:54:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 12:54:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 12:54:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 12:54:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 12:54:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 12:54:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 12:54:50,673 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 12:54:50,736 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 12:54:50,737 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 12:54:50,972 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 12:54:50,983 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 12:54:50,983 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 12:54:50,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:54:50 BoogieIcfgContainer [2022-02-16 12:54:50,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 12:54:50,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 12:54:50,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 12:54:50,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 12:54:50,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 12:54:50" (1/3) ... [2022-02-16 12:54:50,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcb3ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:54:50, skipping insertion in model container [2022-02-16 12:54:50,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:54:50" (2/3) ... [2022-02-16 12:54:50,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcb3ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:54:50, skipping insertion in model container [2022-02-16 12:54:50,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:54:50" (3/3) ... [2022-02-16 12:54:50,992 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2022-02-16 12:54:50,996 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 12:54:50,996 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 12:54:50,996 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 12:54:50,996 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 12:54:51,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,049 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,049 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,050 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,050 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,050 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,050 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,050 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,050 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,056 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,056 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,056 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,056 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,061 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,061 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,062 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,062 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,063 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,063 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,063 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,063 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:54:51,067 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-16 12:54:51,118 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 12:54:51,128 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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 [2022-02-16 12:54:51,129 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 12:54:51,149 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 126 places, 124 transitions, 272 flow [2022-02-16 12:54:51,612 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8364 states, 8363 states have (on average 3.829606600502212) internal successors, (32027), 8363 states have internal predecessors, (32027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 12:55:42,941 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2581999 transitions and produced 757704 states. [2022-02-16 12:55:51,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 757704 states, 654794 states have (on average 1.1759774829946517) internal successors, (770023), 757703 states have internal predecessors, (770023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 12:56:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-02-16 12:56:25,682 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 12:56:25,682 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 12:56:25,683 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 12:56:25,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 12:56:25,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1488981618, now seen corresponding path program 1 times [2022-02-16 12:56:25,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 12:56:25,697 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912585125] [2022-02-16 12:56:25,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 12:56:25,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 12:56:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 12:56:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 12:56:26,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 12:56:26,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912585125] [2022-02-16 12:56:26,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912585125] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 12:56:26,328 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 12:56:26,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-16 12:56:26,329 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011660815] [2022-02-16 12:56:26,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 12:56:26,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-16 12:56:26,357 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 12:56:26,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-16 12:56:26,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-16 12:56:40,661 INFO L87 Difference]: Start difference. First operand has 757704 states, 654794 states have (on average 1.1759774829946517) internal successors, (770023), 757703 states have internal predecessors, (770023), 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) Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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)