/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 19:05:38,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 19:05:38,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 19:05:38,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 19:05:38,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 19:05:38,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 19:05:38,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 19:05:38,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 19:05:38,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 19:05:38,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 19:05:38,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 19:05:38,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 19:05:38,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 19:05:38,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 19:05:38,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 19:05:38,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 19:05:38,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 19:05:38,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 19:05:38,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 19:05:38,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 19:05:38,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 19:05:38,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 19:05:38,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 19:05:38,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 19:05:38,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 19:05:38,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 19:05:38,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 19:05:38,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 19:05:38,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 19:05:38,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 19:05:38,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 19:05:38,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 19:05:38,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 19:05:38,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 19:05:38,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 19:05:38,864 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 19:05:38,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 19:05:38,864 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 19:05:38,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 19:05:38,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 19:05:38,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 19:05:38,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 19:05:38,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 19:05:38,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 19:05:38,865 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 19:05:38,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 19:05:38,865 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 19:05:38,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 19:05:38,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 19:05:38,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 19:05:38,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 19:05:38,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 19:05:38,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:05:38,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 19:05:38,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 19:05:38,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 19:05:38,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 19:05:38,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 19:05:38,869 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 19:05:38,870 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 19:05:38,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 19:05:38,870 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 19:05:39,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 19:05:39,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 19:05:39,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 19:05:39,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 19:05:39,114 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 19:05:39,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2022-03-15 19:05:39,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09c594e8/213987576c3f4000b052f7106ba49d96/FLAG7c07fabde [2022-03-15 19:05:39,600 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 19:05:39,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2022-03-15 19:05:39,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09c594e8/213987576c3f4000b052f7106ba49d96/FLAG7c07fabde [2022-03-15 19:05:39,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09c594e8/213987576c3f4000b052f7106ba49d96 [2022-03-15 19:05:39,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 19:05:39,622 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 19:05:39,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 19:05:39,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 19:05:39,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 19:05:39,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d7c6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39, skipping insertion in model container [2022-03-15 19:05:39,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 19:05:39,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 19:05:39,810 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/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-03-15 19:05:39,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:05:39,827 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 19:05:39,862 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/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-03-15 19:05:39,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:05:39,881 INFO L208 MainTranslator]: Completed translation [2022-03-15 19:05:39,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39 WrapperNode [2022-03-15 19:05:39,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 19:05:39,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 19:05:39,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 19:05:39,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 19:05:39,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,919 INFO L137 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2022-03-15 19:05:39,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 19:05:39,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 19:05:39,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 19:05:39,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 19:05:39,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 19:05:39,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 19:05:39,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 19:05:39,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 19:05:39,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (1/1) ... [2022-03-15 19:05:39,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:05:39,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:05:39,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 19:05:39,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 19:05:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 19:05:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 19:05:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 19:05:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 19:05:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 19:05:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 19:05:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 19:05:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 19:05:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 19:05:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 19:05:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 19:05:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 19:05:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 19:05:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 19:05:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 19:05:40,015 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 19:05:40,140 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 19:05:40,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 19:05:40,431 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 19:05:40,540 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 19:05:40,540 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-15 19:05:40,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:05:40 BoogieIcfgContainer [2022-03-15 19:05:40,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 19:05:40,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 19:05:40,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 19:05:40,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 19:05:40,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 07:05:39" (1/3) ... [2022-03-15 19:05:40,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de08259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:05:40, skipping insertion in model container [2022-03-15 19:05:40,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:05:39" (2/3) ... [2022-03-15 19:05:40,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de08259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:05:40, skipping insertion in model container [2022-03-15 19:05:40,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:05:40" (3/3) ... [2022-03-15 19:05:40,554 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2022-03-15 19:05:40,558 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 19:05:40,558 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 19:05:40,559 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 19:05:40,559 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 19:05:40,611 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,613 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,613 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,613 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,613 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,616 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,616 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,616 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,616 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,619 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,619 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,619 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,619 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,619 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,627 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,627 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,636 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,636 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,636 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,637 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,637 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:05:40,658 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 19:05:40,700 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 19:05:40,708 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 19:05:40,708 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 19:05:40,721 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 19:05:40,728 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 119 transitions, 254 flow [2022-03-15 19:05:40,730 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 119 transitions, 254 flow [2022-03-15 19:05:40,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 119 transitions, 254 flow [2022-03-15 19:05:40,780 INFO L129 PetriNetUnfolder]: 9/117 cut-off events. [2022-03-15 19:05:40,781 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-03-15 19:05:40,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 117 events. 9/117 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2022-03-15 19:05:40,785 INFO L116 LiptonReduction]: Number of co-enabled transitions 572 [2022-03-15 19:05:44,257 INFO L131 LiptonReduction]: Checked pairs total: 973 [2022-03-15 19:05:44,257 INFO L133 LiptonReduction]: Total number of compositions: 112 [2022-03-15 19:05:44,267 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 22 transitions, 60 flow [2022-03-15 19:05:44,296 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 53 states, 52 states have (on average 2.269230769230769) internal successors, (118), 52 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 52 states have (on average 2.269230769230769) internal successors, (118), 52 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:44,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 19:05:44,308 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:44,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:44,309 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 19:05:44,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:44,312 INFO L85 PathProgramCache]: Analyzing trace with hash -658965340, now seen corresponding path program 1 times [2022-03-15 19:05:44,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:44,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813412060] [2022-03-15 19:05:44,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:44,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:44,607 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:44,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813412060] [2022-03-15 19:05:44,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813412060] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:05:44,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:05:44,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 19:05:44,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1648679926] [2022-03-15 19:05:44,611 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:44,618 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:44,643 INFO L252 McrAutomatonBuilder]: Finished intersection with 35 states and 58 transitions. [2022-03-15 19:05:44,644 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:44,849 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:05:44,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 19:05:44,851 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:44,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 19:05:44,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 19:05:44,873 INFO L87 Difference]: Start difference. First operand has 53 states, 52 states have (on average 2.269230769230769) internal successors, (118), 52 states have internal predecessors, (118), 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 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:44,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:44,945 INFO L93 Difference]: Finished difference Result 98 states and 222 transitions. [2022-03-15 19:05:44,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 19:05:44,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) Word has length 14 [2022-03-15 19:05:44,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:44,956 INFO L225 Difference]: With dead ends: 98 [2022-03-15 19:05:44,957 INFO L226 Difference]: Without dead ends: 93 [2022-03-15 19:05:44,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 19:05:44,961 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:44,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 4 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:05:44,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-03-15 19:05:44,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 75. [2022-03-15 19:05:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 2.2837837837837838) internal successors, (169), 74 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 169 transitions. [2022-03-15 19:05:45,004 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 169 transitions. Word has length 14 [2022-03-15 19:05:45,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:45,005 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 169 transitions. [2022-03-15 19:05:45,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 169 transitions. [2022-03-15 19:05:45,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 19:05:45,007 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:45,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:45,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 19:05:45,008 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 19:05:45,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:45,010 INFO L85 PathProgramCache]: Analyzing trace with hash -137640893, now seen corresponding path program 1 times [2022-03-15 19:05:45,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:45,014 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501858472] [2022-03-15 19:05:45,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:45,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:45,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:45,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501858472] [2022-03-15 19:05:45,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501858472] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:05:45,123 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:05:45,123 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 19:05:45,123 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1891572951] [2022-03-15 19:05:45,123 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:45,126 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:45,135 INFO L252 McrAutomatonBuilder]: Finished intersection with 51 states and 92 transitions. [2022-03-15 19:05:45,136 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:45,429 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [482#(<= ~N~0 |thread2Thread1of1ForFork1_~i~1#1|)] [2022-03-15 19:05:45,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 19:05:45,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:45,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 19:05:45,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-15 19:05:45,431 INFO L87 Difference]: Start difference. First operand 75 states and 169 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:45,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:45,536 INFO L93 Difference]: Finished difference Result 135 states and 287 transitions. [2022-03-15 19:05:45,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 19:05:45,537 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) Word has length 16 [2022-03-15 19:05:45,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:45,541 INFO L225 Difference]: With dead ends: 135 [2022-03-15 19:05:45,541 INFO L226 Difference]: Without dead ends: 125 [2022-03-15 19:05:45,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-15 19:05:45,546 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 40 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:45,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 10 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:05:45,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-03-15 19:05:45,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 111. [2022-03-15 19:05:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 2.272727272727273) internal successors, (250), 110 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:45,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 250 transitions. [2022-03-15 19:05:45,556 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 250 transitions. Word has length 16 [2022-03-15 19:05:45,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:45,557 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 250 transitions. [2022-03-15 19:05:45,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 250 transitions. [2022-03-15 19:05:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 19:05:45,558 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:45,558 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:45,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 19:05:45,558 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 19:05:45,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:45,559 INFO L85 PathProgramCache]: Analyzing trace with hash -735299881, now seen corresponding path program 1 times [2022-03-15 19:05:45,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:45,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640201758] [2022-03-15 19:05:45,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:45,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:45,610 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:45,610 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640201758] [2022-03-15 19:05:45,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640201758] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:05:45,610 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:05:45,610 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 19:05:45,610 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [277066306] [2022-03-15 19:05:45,610 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:45,612 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:45,618 INFO L252 McrAutomatonBuilder]: Finished intersection with 48 states and 86 transitions. [2022-03-15 19:05:45,619 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:45,896 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [850#(< (+ |thread1Thread1of1ForFork0_~i~0#1| 1) ~N~0), 851#(or (< (+ |thread1Thread1of1ForFork0_~i~0#1| 1) ~N~0) (<= ~N~0 |thread1Thread1of1ForFork0_~i~0#1|)), 852#(or (<= ~N~0 0) (< 1 ~N~0)), 849#(< |thread1Thread1of1ForFork0_~i~0#1| ~N~0)] [2022-03-15 19:05:45,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 19:05:45,897 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:45,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 19:05:45,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-15 19:05:45,898 INFO L87 Difference]: Start difference. First operand 111 states and 250 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:46,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:46,028 INFO L93 Difference]: Finished difference Result 93 states and 198 transitions. [2022-03-15 19:05:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 19:05:46,029 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 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) Word has length 16 [2022-03-15 19:05:46,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:46,030 INFO L225 Difference]: With dead ends: 93 [2022-03-15 19:05:46,030 INFO L226 Difference]: Without dead ends: 76 [2022-03-15 19:05:46,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-03-15 19:05:46,031 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 34 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:46,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 26 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:05:46,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-03-15 19:05:46,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-03-15 19:05:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 2.2666666666666666) internal successors, (170), 75 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 170 transitions. [2022-03-15 19:05:46,037 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 170 transitions. Word has length 16 [2022-03-15 19:05:46,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:46,038 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 170 transitions. [2022-03-15 19:05:46,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 170 transitions. [2022-03-15 19:05:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 19:05:46,039 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:46,039 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:46,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 19:05:46,039 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 19:05:46,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:46,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1739967024, now seen corresponding path program 1 times [2022-03-15 19:05:46,040 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:46,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258226835] [2022-03-15 19:05:46,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:46,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:46,098 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:46,098 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258226835] [2022-03-15 19:05:46,098 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258226835] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:05:46,099 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712404778] [2022-03-15 19:05:46,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:46,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:05:46,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:05:46,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 19:05:46,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 19:05:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:46,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-15 19:05:46,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:05:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:46,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 19:05:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:46,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712404778] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 19:05:46,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 19:05:46,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2022-03-15 19:05:46,313 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1451281935] [2022-03-15 19:05:46,313 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:46,315 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:46,322 INFO L252 McrAutomatonBuilder]: Finished intersection with 52 states and 93 transitions. [2022-03-15 19:05:46,322 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:46,593 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:05:46,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 19:05:46,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:46,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 19:05:46,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-15 19:05:46,594 INFO L87 Difference]: Start difference. First operand 76 states and 170 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:46,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:46,638 INFO L93 Difference]: Finished difference Result 72 states and 163 transitions. [2022-03-15 19:05:46,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 19:05:46,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) Word has length 17 [2022-03-15 19:05:46,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:46,640 INFO L225 Difference]: With dead ends: 72 [2022-03-15 19:05:46,640 INFO L226 Difference]: Without dead ends: 72 [2022-03-15 19:05:46,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-03-15 19:05:46,641 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 26 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:46,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 4 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 19:05:46,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-03-15 19:05:46,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 64. [2022-03-15 19:05:46,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 2.2698412698412698) internal successors, (143), 63 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 143 transitions. [2022-03-15 19:05:46,646 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 143 transitions. Word has length 17 [2022-03-15 19:05:46,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:46,646 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 143 transitions. [2022-03-15 19:05:46,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 143 transitions. [2022-03-15 19:05:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 19:05:46,647 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:46,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:46,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 19:05:46,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:05:46,865 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 19:05:46,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:46,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1957341284, now seen corresponding path program 1 times [2022-03-15 19:05:46,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:46,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299525879] [2022-03-15 19:05:46,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:46,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:05:46,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:46,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299525879] [2022-03-15 19:05:46,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299525879] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:05:46,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842754002] [2022-03-15 19:05:46,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:46,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:05:46,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:05:46,924 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 19:05:46,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 19:05:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:47,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-15 19:05:47,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:05:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:05:47,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 19:05:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:05:47,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842754002] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 19:05:47,133 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 19:05:47,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2022-03-15 19:05:47,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2013613466] [2022-03-15 19:05:47,134 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:47,137 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:47,144 INFO L252 McrAutomatonBuilder]: Finished intersection with 49 states and 87 transitions. [2022-03-15 19:05:47,144 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:47,344 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:05:47,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 19:05:47,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:47,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 19:05:47,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-15 19:05:47,346 INFO L87 Difference]: Start difference. First operand 64 states and 143 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:47,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:47,383 INFO L93 Difference]: Finished difference Result 76 states and 172 transitions. [2022-03-15 19:05:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 19:05:47,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) Word has length 17 [2022-03-15 19:05:47,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:47,386 INFO L225 Difference]: With dead ends: 76 [2022-03-15 19:05:47,386 INFO L226 Difference]: Without dead ends: 76 [2022-03-15 19:05:47,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-03-15 19:05:47,387 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 18 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:47,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 4 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 19:05:47,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-03-15 19:05:47,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-03-15 19:05:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 2.2933333333333334) internal successors, (172), 75 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 172 transitions. [2022-03-15 19:05:47,403 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 172 transitions. Word has length 17 [2022-03-15 19:05:47,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:47,403 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 172 transitions. [2022-03-15 19:05:47,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 172 transitions. [2022-03-15 19:05:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 19:05:47,407 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:47,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:47,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 19:05:47,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:05:47,624 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 19:05:47,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:47,624 INFO L85 PathProgramCache]: Analyzing trace with hash -195832573, now seen corresponding path program 1 times [2022-03-15 19:05:47,625 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:47,625 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714348374] [2022-03-15 19:05:47,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:47,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:05:47,800 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:47,800 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714348374] [2022-03-15 19:05:47,800 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714348374] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:05:47,800 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335682334] [2022-03-15 19:05:47,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:47,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:05:47,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:05:47,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 19:05:47,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 19:05:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:47,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-15 19:05:47,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:05:47,957 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 19:05:47,995 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 19:05:48,025 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 19:05:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:48,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 19:05:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:05:48,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335682334] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 19:05:48,319 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 19:05:48,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 17 [2022-03-15 19:05:48,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1164745681] [2022-03-15 19:05:48,320 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:48,323 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:48,331 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 78 transitions. [2022-03-15 19:05:48,332 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:49,214 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 6 new interpolants: [1875#(and (= |thread1Thread1of1ForFork0_~i~0#1| 0) (= ~A~0.offset 0) (<= 0 (+ |thread2Thread1of1ForFork1_~tmp~1#1| (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork0_~i~0#1| 4) ~A~0.offset)))) (<= (+ |thread2Thread1of1ForFork1_~tmp~1#1| (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork0_~i~0#1| 4) ~A~0.offset))) 0)), 1874#(and (or (< 2147483647 (+ ~counter~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset))) (<= (+ ~counter~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)) 0)) (or (< (+ ~counter~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset) 2147483648) 0) (<= 0 (+ ~counter~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset))))), 1796#(and (<= 0 |thread1Thread1of1ForFork0_~tmp~0#1|) (<= |thread1Thread1of1ForFork0_~tmp~0#1| 0)), 1873#(and (or (<= 0 (+ ~counter~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork0_~i~0#1| 4) ~A~0.offset)))) (< (+ ~counter~0 2147483648 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork0_~i~0#1| 4) ~A~0.offset))) 0)) (or (< 2147483647 (+ ~counter~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork0_~i~0#1| 4) ~A~0.offset)))) (<= (+ ~counter~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork0_~i~0#1| 4) ~A~0.offset))) 0))), 1877#(and (or (<= (select (select |#memory_int| ~A~0.base) ~A~0.offset) (+ ~counter~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork0_~i~0#1| 4) ~A~0.offset)))) (not (<= ~counter~0 (+ 2147483647 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))) (not (<= (select (select |#memory_int| ~A~0.base) ~A~0.offset) (+ ~counter~0 2147483648)))) (or (< (+ 2147483647 (select (select |#memory_int| ~A~0.base) ~A~0.offset)) ~counter~0) (< (+ ~counter~0 2147483648) (select (select |#memory_int| ~A~0.base) ~A~0.offset)) (<= (+ ~counter~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork0_~i~0#1| 4) ~A~0.offset))) (select (select |#memory_int| ~A~0.base) ~A~0.offset))) (or (= |thread1Thread1of1ForFork0_~i~0#1| 0) (not (<= ~counter~0 (+ 2147483647 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))) (not (<= (select (select |#memory_int| ~A~0.base) ~A~0.offset) (+ ~counter~0 2147483648)))) (or (= ~A~0.offset 0) (not (<= ~counter~0 (+ 2147483647 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))) (not (<= (select (select |#memory_int| ~A~0.base) ~A~0.offset) (+ ~counter~0 2147483648))))), 1876#(and (or (not (<= ~counter~0 (+ 2147483647 (select (select |#memory_int| ~A~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~A~0.offset))))) (= ~A~0.offset 0) (not (<= (select (select |#memory_int| ~A~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~A~0.offset)) (+ ~counter~0 2147483648)))) (or (< (+ ~counter~0 2147483648) (select (select |#memory_int| ~A~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~A~0.offset))) (<= (+ ~counter~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork0_~i~0#1| 4) ~A~0.offset))) (select (select |#memory_int| ~A~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~A~0.offset))) (< (+ 2147483647 (select (select |#memory_int| ~A~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~A~0.offset))) ~counter~0)) (or (= |thread1Thread1of1ForFork0_~i~0#1| 0) (not (<= ~counter~0 (+ 2147483647 (select (select |#memory_int| ~A~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~A~0.offset))))) (not (<= (select (select |#memory_int| ~A~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~A~0.offset)) (+ ~counter~0 2147483648)))) (or (not (<= ~counter~0 (+ 2147483647 (select (select |#memory_int| ~A~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~A~0.offset))))) (not (<= (select (select |#memory_int| ~A~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~A~0.offset)) (+ ~counter~0 2147483648))) (<= (select (select |#memory_int| ~A~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~A~0.offset)) (+ ~counter~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork0_~i~0#1| 4) ~A~0.offset))))))] [2022-03-15 19:05:49,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-15 19:05:49,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:49,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-15 19:05:49,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2022-03-15 19:05:49,236 INFO L87 Difference]: Start difference. First operand 76 states and 172 transitions. Second operand has 16 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:49,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:49,957 INFO L93 Difference]: Finished difference Result 250 states and 583 transitions. [2022-03-15 19:05:49,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-15 19:05:49,957 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 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) Word has length 19 [2022-03-15 19:05:49,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:49,959 INFO L225 Difference]: With dead ends: 250 [2022-03-15 19:05:49,959 INFO L226 Difference]: Without dead ends: 240 [2022-03-15 19:05:49,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 38 SyntacticMatches, 9 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=180, Invalid=1010, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 19:05:49,960 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 107 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:49,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 31 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 19:05:49,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-03-15 19:05:49,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 105. [2022-03-15 19:05:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 2.3846153846153846) internal successors, (248), 104 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:49,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 248 transitions. [2022-03-15 19:05:49,965 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 248 transitions. Word has length 19 [2022-03-15 19:05:49,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:49,966 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 248 transitions. [2022-03-15 19:05:49,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 248 transitions. [2022-03-15 19:05:49,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 19:05:49,966 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:49,967 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:49,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 19:05:50,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:05:50,179 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 19:05:50,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:50,179 INFO L85 PathProgramCache]: Analyzing trace with hash -524751315, now seen corresponding path program 2 times [2022-03-15 19:05:50,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:50,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773016401] [2022-03-15 19:05:50,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:50,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 19:05:50,224 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 19:05:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 19:05:50,291 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 19:05:50,291 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 19:05:50,292 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-15 19:05:50,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-15 19:05:50,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-15 19:05:50,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 19:05:50,295 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-03-15 19:05:50,298 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 19:05:50,299 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 19:05:50,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 07:05:50 BasicIcfg [2022-03-15 19:05:50,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 19:05:50,353 INFO L158 Benchmark]: Toolchain (without parser) took 10731.64ms. Allocated memory was 183.5MB in the beginning and 305.1MB in the end (delta: 121.6MB). Free memory was 130.2MB in the beginning and 198.6MB in the end (delta: -68.4MB). Peak memory consumption was 54.2MB. Max. memory is 8.0GB. [2022-03-15 19:05:50,354 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 19:05:50,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.82ms. Allocated memory was 183.5MB in the beginning and 253.8MB in the end (delta: 70.3MB). Free memory was 130.0MB in the beginning and 226.3MB in the end (delta: -96.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-15 19:05:50,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.24ms. Allocated memory is still 253.8MB. Free memory was 226.3MB in the beginning and 224.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 19:05:50,354 INFO L158 Benchmark]: Boogie Preprocessor took 23.06ms. Allocated memory is still 253.8MB. Free memory was 224.2MB in the beginning and 223.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 19:05:50,355 INFO L158 Benchmark]: RCFGBuilder took 602.27ms. Allocated memory is still 253.8MB. Free memory was 223.1MB in the beginning and 200.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-03-15 19:05:50,355 INFO L158 Benchmark]: TraceAbstraction took 9804.90ms. Allocated memory was 253.8MB in the beginning and 305.1MB in the end (delta: 51.4MB). Free memory was 199.5MB in the beginning and 198.6MB in the end (delta: 921.5kB). Peak memory consumption was 53.4MB. Max. memory is 8.0GB. [2022-03-15 19:05:50,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 258.82ms. Allocated memory was 183.5MB in the beginning and 253.8MB in the end (delta: 70.3MB). Free memory was 130.0MB in the beginning and 226.3MB in the end (delta: -96.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.24ms. Allocated memory is still 253.8MB. Free memory was 226.3MB in the beginning and 224.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.06ms. Allocated memory is still 253.8MB. Free memory was 224.2MB in the beginning and 223.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 602.27ms. Allocated memory is still 253.8MB. Free memory was 223.1MB in the beginning and 200.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 9804.90ms. Allocated memory was 253.8MB in the beginning and 305.1MB in the end (delta: 51.4MB). Free memory was 199.5MB in the beginning and 198.6MB in the end (delta: 921.5kB). Peak memory consumption was 53.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.5s, 117 PlacesBefore, 26 PlacesAfterwards, 119 TransitionsBefore, 22 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 7 FixpointIterations, 77 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 4 ConcurrentYvCompositions, 6 ChoiceCompositions, 112 TotalNumberOfCompositions, 973 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 787, positive: 739, positive conditional: 0, positive unconditional: 739, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 315, positive: 304, positive conditional: 0, positive unconditional: 304, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 787, positive: 435, positive conditional: 0, positive unconditional: 435, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 315, unknown conditional: 0, unknown unconditional: 315] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 87]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L41] 0 int* A; [L42] 0 int counter, N; [L75] 0 pthread_t t1, t2; [L77] 0 N = __VERIFIER_nondet_int() [L78] CALL, EXPR 0 create_fresh_int_array(N) [L93] CALL 0 assume_abort_if_not(size >= 0) [L38] COND FALSE 0 !(!cond) [L93] RET 0 assume_abort_if_not(size >= 0) [L94] CALL 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L38] COND FALSE 0 !(!cond) [L94] RET 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L96] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L97] 0 int i = 0; VAL [\old(size)=1, A={0:0}, arr={-3:0}, counter=0, i=0, N=1, size=1] [L97] COND TRUE 0 i < size [L98] 0 arr[i] = __VERIFIER_nondet_int() [L97] 0 i++ VAL [\old(size)=1, A={0:0}, arr={-3:0}, counter=0, i=1, N=1, size=1] [L97] COND FALSE 0 !(i < size) [L100] 0 return arr; [L78] RET, EXPR 0 create_fresh_int_array(N) [L78] 0 A = create_fresh_int_array(N) [L81] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [A={-3:0}, counter=0, N=1, pthread_create(&t1, 0, thread1, 0)=6, t1={3:0}, t2={5:0}] [L82] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [A={-3:0}, counter=0, N=1, pthread_create(&t2, 0, thread2, 0)=7, t1={3:0}, t2={5:0}] [L83] 0 \read(t1) VAL [\read(t1)=6, A={-3:0}, counter=0, N=1, t1={3:0}, t2={5:0}] [L62] 2 int i=0; VAL [A={-3:0}, counter=0, i=0, N=1] [L62] COND TRUE 2 i= b - 2147483648) [L38] COND FALSE 2 !(!cond) [L104] RET 2 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L105] CALL 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L38] COND FALSE 2 !(!cond) [L105] RET 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L106] 2 return a - b; [L64] RET, EXPR 2 minus(counter, A[i]) [L64] 2 int tmp = minus(counter, A[i]); [L49] 1 int i=0; VAL [A={-3:0}, counter=0, i=0, N=1] [L49] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L38] COND FALSE 1 !(!cond) [L110] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L111] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L38] COND FALSE 1 !(!cond) [L111] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L112] 1 return a + b; [L51] RET, EXPR 1 plus(counter, A[i]) [L51] 1 int tmp = plus(counter, A[i]); [L67] 2 counter = tmp [L62] 2 i++ VAL [A={-3:0}, counter=1, i=1, N=1, tmp=1] [L54] 1 counter = tmp [L49] 1 i++ VAL [A={-3:0}, counter=-1, i=1, N=1, tmp=-1] [L49] COND FALSE 1 !(i