/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 01:06:14,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 01:06:14,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 01:06:14,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 01:06:14,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 01:06:14,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 01:06:14,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 01:06:14,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-09 01:06:14,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 01:06:14,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 01:06:14,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 01:06:14,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 01:06:14,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 01:06:14,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 01:06:14,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 01:06:14,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 01:06:14,836 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 01:06:14,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 01:06:14,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 01:06:14,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 01:06:14,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 01:06:14,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 01:06:14,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 01:06:14,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 01:06:14,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 01:06:14,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 01:06:14,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 01:06:14,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 01:06:14,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 01:06:14,842 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 01:06:14,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 01:06:14,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 01:06:15,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 01:06:15,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 01:06:15,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 01:06:15,069 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 01:06:15,070 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 01:06:15,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2022-02-09 01:06:15,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f348b32f9/ea674e2143f64a16b84d3767f6510fe2/FLAGbc30da5de [2022-02-09 01:06:15,474 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 01:06:15,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2022-02-09 01:06:15,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f348b32f9/ea674e2143f64a16b84d3767f6510fe2/FLAGbc30da5de [2022-02-09 01:06:15,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f348b32f9/ea674e2143f64a16b84d3767f6510fe2 [2022-02-09 01:06:15,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 01:06:15,523 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 01:06:15,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 01:06:15,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 01:06:15,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 01:06:15,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:15,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fce972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15, skipping insertion in model container [2022-02-09 01:06:15,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:15,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 01:06:15,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 01:06:15,891 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-more-multiply-verify.wvr.c[3042,3055] [2022-02-09 01:06:15,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 01:06:15,910 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 01:06:15,956 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-more-multiply-verify.wvr.c[3042,3055] [2022-02-09 01:06:15,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 01:06:15,986 INFO L208 MainTranslator]: Completed translation [2022-02-09 01:06:15,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15 WrapperNode [2022-02-09 01:06:15,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 01:06:15,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 01:06:15,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 01:06:15,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 01:06:15,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:16,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:16,060 INFO L137 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 179 [2022-02-09 01:06:16,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 01:06:16,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 01:06:16,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 01:06:16,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 01:06:16,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:16,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:16,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:16,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:16,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:16,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:16,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:16,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 01:06:16,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 01:06:16,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 01:06:16,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 01:06:16,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (1/1) ... [2022-02-09 01:06:16,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 01:06:16,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:06:16,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 01:06:16,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 01:06:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 01:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 01:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 01:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 01:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 01:06:16,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 01:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 01:06:16,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 01:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 01:06:16,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 01:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 01:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 01:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 01:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-09 01:06:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 01:06:16,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 01:06:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 01:06:16,221 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 01:06:16,341 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 01:06:16,342 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 01:06:16,788 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 01:06:16,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 01:06:16,885 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-09 01:06:16,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:06:16 BoogieIcfgContainer [2022-02-09 01:06:16,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 01:06:16,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 01:06:16,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 01:06:16,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 01:06:16,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 01:06:15" (1/3) ... [2022-02-09 01:06:16,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55427cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:06:16, skipping insertion in model container [2022-02-09 01:06:16,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:06:15" (2/3) ... [2022-02-09 01:06:16,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55427cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:06:16, skipping insertion in model container [2022-02-09 01:06:16,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:06:16" (3/3) ... [2022-02-09 01:06:16,894 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2022-02-09 01:06:16,897 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 01:06:16,897 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 01:06:16,897 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 01:06:16,897 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 01:06:16,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,942 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,942 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,945 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,945 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,945 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,951 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,951 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,952 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,953 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,953 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,953 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,953 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,971 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,977 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,977 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,977 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,978 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,978 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,978 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,978 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,978 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,978 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,979 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,979 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,979 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,979 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,980 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,980 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,980 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,980 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,980 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,980 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:06:16,984 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 01:06:17,017 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 01:06:17,022 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 01:06:17,023 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 01:06:17,035 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 155 places, 154 transitions, 332 flow [2022-02-09 01:06:17,228 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5554 states, 5553 states have (on average 3.622186205654601) internal successors, (20114), 5553 states have internal predecessors, (20114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:17,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 5554 states, 5553 states have (on average 3.622186205654601) internal successors, (20114), 5553 states have internal predecessors, (20114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 01:06:17,337 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:06:17,338 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:06:17,339 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 01:06:17,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:06:17,344 INFO L85 PathProgramCache]: Analyzing trace with hash 530079239, now seen corresponding path program 1 times [2022-02-09 01:06:17,350 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:06:17,350 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898743636] [2022-02-09 01:06:17,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:06:17,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:06:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:06:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:17,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:06:17,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898743636] [2022-02-09 01:06:17,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898743636] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:06:17,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:06:17,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 01:06:17,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105937778] [2022-02-09 01:06:17,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:06:17,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 01:06:17,570 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:06:17,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 01:06:17,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 01:06:17,612 INFO L87 Difference]: Start difference. First operand has 5554 states, 5553 states have (on average 3.622186205654601) internal successors, (20114), 5553 states have internal predecessors, (20114), 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 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:17,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:06:17,744 INFO L93 Difference]: Finished difference Result 5554 states and 19153 transitions. [2022-02-09 01:06:17,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 01:06:17,747 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 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 114 [2022-02-09 01:06:17,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:06:17,840 INFO L225 Difference]: With dead ends: 5554 [2022-02-09 01:06:17,840 INFO L226 Difference]: Without dead ends: 5551 [2022-02-09 01:06:17,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 01:06:17,844 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:06:17,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:06:17,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5551 states. [2022-02-09 01:06:18,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5551 to 5551. [2022-02-09 01:06:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 5550 states have (on average 3.4504504504504503) internal successors, (19150), 5550 states have internal predecessors, (19150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:18,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 19150 transitions. [2022-02-09 01:06:18,198 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 19150 transitions. Word has length 114 [2022-02-09 01:06:18,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:06:18,199 INFO L470 AbstractCegarLoop]: Abstraction has 5551 states and 19150 transitions. [2022-02-09 01:06:18,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 19150 transitions. [2022-02-09 01:06:18,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 01:06:18,215 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:06:18,216 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:06:18,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 01:06:18,216 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 01:06:18,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:06:18,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1287777498, now seen corresponding path program 1 times [2022-02-09 01:06:18,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:06:18,218 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967615405] [2022-02-09 01:06:18,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:06:18,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:06:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:06:18,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:18,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:06:18,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967615405] [2022-02-09 01:06:18,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967615405] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:06:18,463 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:06:18,464 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 01:06:18,464 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989206178] [2022-02-09 01:06:18,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:06:18,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:06:18,465 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:06:18,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:06:18,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:06:18,466 INFO L87 Difference]: Start difference. First operand 5551 states and 19150 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:18,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:06:18,696 INFO L93 Difference]: Finished difference Result 6254 states and 21118 transitions. [2022-02-09 01:06:18,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 01:06:18,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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 114 [2022-02-09 01:06:18,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:06:18,757 INFO L225 Difference]: With dead ends: 6254 [2022-02-09 01:06:18,757 INFO L226 Difference]: Without dead ends: 5557 [2022-02-09 01:06:18,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-02-09 01:06:18,775 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 337 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 01:06:18,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 350 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 01:06:18,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2022-02-09 01:06:19,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 5552. [2022-02-09 01:06:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 5551 states have (on average 3.4500090073860568) internal successors, (19151), 5551 states have internal predecessors, (19151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 19151 transitions. [2022-02-09 01:06:19,113 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 19151 transitions. Word has length 114 [2022-02-09 01:06:19,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:06:19,114 INFO L470 AbstractCegarLoop]: Abstraction has 5552 states and 19151 transitions. [2022-02-09 01:06:19,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:19,114 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 19151 transitions. [2022-02-09 01:06:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-02-09 01:06:19,181 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:06:19,181 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:06:19,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 01:06:19,182 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 01:06:19,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:06:19,182 INFO L85 PathProgramCache]: Analyzing trace with hash 407512236, now seen corresponding path program 1 times [2022-02-09 01:06:19,182 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:06:19,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143186860] [2022-02-09 01:06:19,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:06:19,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:06:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:06:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:19,300 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:06:19,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143186860] [2022-02-09 01:06:19,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143186860] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:06:19,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829938590] [2022-02-09 01:06:19,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:06:19,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:06:19,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:06:19,302 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) [2022-02-09 01:06:19,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-09 01:06:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:06:19,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 01:06:19,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:06:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:19,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:06:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:20,019 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829938590] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:06:20,019 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:06:20,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2022-02-09 01:06:20,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452675885] [2022-02-09 01:06:20,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:06:20,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-09 01:06:20,020 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:06:20,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-09 01:06:20,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-02-09 01:06:20,021 INFO L87 Difference]: Start difference. First operand 5552 states and 19151 transitions. Second operand has 16 states, 16 states have (on average 9.875) internal successors, (158), 16 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:20,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:06:20,192 INFO L93 Difference]: Finished difference Result 6885 states and 22883 transitions. [2022-02-09 01:06:20,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:06:20,192 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 16 states have internal predecessors, (158), 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 121 [2022-02-09 01:06:20,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:06:20,215 INFO L225 Difference]: With dead ends: 6885 [2022-02-09 01:06:20,215 INFO L226 Difference]: Without dead ends: 5564 [2022-02-09 01:06:20,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2022-02-09 01:06:20,217 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 711 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 01:06:20,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [711 Valid, 707 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 01:06:20,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5564 states. [2022-02-09 01:06:20,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5564 to 5559. [2022-02-09 01:06:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5559 states, 5558 states have (on average 3.4469233537243613) internal successors, (19158), 5558 states have internal predecessors, (19158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5559 states to 5559 states and 19158 transitions. [2022-02-09 01:06:20,365 INFO L78 Accepts]: Start accepts. Automaton has 5559 states and 19158 transitions. Word has length 121 [2022-02-09 01:06:20,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:06:20,366 INFO L470 AbstractCegarLoop]: Abstraction has 5559 states and 19158 transitions. [2022-02-09 01:06:20,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 16 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 5559 states and 19158 transitions. [2022-02-09 01:06:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-02-09 01:06:20,377 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:06:20,377 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:06:20,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-09 01:06:20,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:06:20,595 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 01:06:20,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:06:20,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2120847258, now seen corresponding path program 2 times [2022-02-09 01:06:20,596 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:06:20,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700700774] [2022-02-09 01:06:20,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:06:20,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:06:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:06:20,681 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 01:06:20,681 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:06:20,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700700774] [2022-02-09 01:06:20,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700700774] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:06:20,681 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:06:20,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 01:06:20,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002869475] [2022-02-09 01:06:20,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:06:20,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 01:06:20,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:06:20,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 01:06:20,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:06:20,683 INFO L87 Difference]: Start difference. First operand 5559 states and 19158 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:20,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:06:20,714 INFO L93 Difference]: Finished difference Result 3511 states and 10966 transitions. [2022-02-09 01:06:20,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 01:06:20,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 128 [2022-02-09 01:06:20,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:06:20,723 INFO L225 Difference]: With dead ends: 3511 [2022-02-09 01:06:20,723 INFO L226 Difference]: Without dead ends: 3511 [2022-02-09 01:06:20,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:06:20,724 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 15 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:06:20,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 201 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:06:20,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states. [2022-02-09 01:06:20,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 3511. [2022-02-09 01:06:20,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 3510 states have (on average 3.124216524216524) internal successors, (10966), 3510 states have internal predecessors, (10966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 10966 transitions. [2022-02-09 01:06:20,787 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 10966 transitions. Word has length 128 [2022-02-09 01:06:20,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:06:20,788 INFO L470 AbstractCegarLoop]: Abstraction has 3511 states and 10966 transitions. [2022-02-09 01:06:20,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 10966 transitions. [2022-02-09 01:06:20,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-02-09 01:06:20,796 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:06:20,796 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:06:20,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 01:06:20,796 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 01:06:20,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:06:20,797 INFO L85 PathProgramCache]: Analyzing trace with hash -41963350, now seen corresponding path program 3 times [2022-02-09 01:06:20,797 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:06:20,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819365949] [2022-02-09 01:06:20,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:06:20,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:06:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:06:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 01:06:20,861 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:06:20,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819365949] [2022-02-09 01:06:20,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819365949] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:06:20,862 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:06:20,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 01:06:20,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116082287] [2022-02-09 01:06:20,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:06:20,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-09 01:06:20,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:06:20,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-09 01:06:20,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-09 01:06:20,863 INFO L87 Difference]: Start difference. First operand 3511 states and 10966 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:20,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:06:20,894 INFO L93 Difference]: Finished difference Result 1783 states and 4926 transitions. [2022-02-09 01:06:20,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 01:06:20,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 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 128 [2022-02-09 01:06:20,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:06:20,900 INFO L225 Difference]: With dead ends: 1783 [2022-02-09 01:06:20,900 INFO L226 Difference]: Without dead ends: 1783 [2022-02-09 01:06:20,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-09 01:06:20,901 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 106 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:06:20,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 259 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:06:20,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2022-02-09 01:06:20,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1783. [2022-02-09 01:06:20,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1782 states have (on average 2.7643097643097643) internal successors, (4926), 1782 states have internal predecessors, (4926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:20,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 4926 transitions. [2022-02-09 01:06:20,939 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 4926 transitions. Word has length 128 [2022-02-09 01:06:20,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:06:20,940 INFO L470 AbstractCegarLoop]: Abstraction has 1783 states and 4926 transitions. [2022-02-09 01:06:20,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 4926 transitions. [2022-02-09 01:06:20,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-02-09 01:06:20,944 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:06:20,944 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:06:20,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 01:06:20,944 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 01:06:20,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:06:20,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1886034276, now seen corresponding path program 4 times [2022-02-09 01:06:20,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:06:20,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290635935] [2022-02-09 01:06:20,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:06:20,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:06:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:06:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:23,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:06:23,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290635935] [2022-02-09 01:06:23,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290635935] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:06:23,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900527901] [2022-02-09 01:06:23,698 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 01:06:23,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:06:23,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:06:23,712 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) [2022-02-09 01:06:23,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 01:06:23,799 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 01:06:23,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:06:23,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-09 01:06:23,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:06:24,886 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-02-09 01:06:24,887 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 17 [2022-02-09 01:06:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:25,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:06:25,504 INFO L353 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-02-09 01:06:25,505 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 76 [2022-02-09 01:06:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:28,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900527901] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:06:28,809 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:06:28,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 21, 21] total 69 [2022-02-09 01:06:28,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67620155] [2022-02-09 01:06:28,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:06:28,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-02-09 01:06:28,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:06:28,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-02-09 01:06:28,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=348, Invalid=4344, Unknown=0, NotChecked=0, Total=4692 [2022-02-09 01:06:28,811 INFO L87 Difference]: Start difference. First operand 1783 states and 4926 transitions. Second operand has 69 states, 69 states have (on average 4.681159420289855) internal successors, (323), 69 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:37,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:06:37,966 INFO L93 Difference]: Finished difference Result 6646 states and 18816 transitions. [2022-02-09 01:06:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-02-09 01:06:37,966 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 4.681159420289855) internal successors, (323), 69 states have internal predecessors, (323), 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 128 [2022-02-09 01:06:37,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:06:37,980 INFO L225 Difference]: With dead ends: 6646 [2022-02-09 01:06:37,980 INFO L226 Difference]: Without dead ends: 5716 [2022-02-09 01:06:37,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 219 SyntacticMatches, 3 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3631 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1978, Invalid=13274, Unknown=0, NotChecked=0, Total=15252 [2022-02-09 01:06:37,985 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 4126 mSDsluCounter, 6921 mSDsCounter, 0 mSdLazyCounter, 3268 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4126 SdHoareTripleChecker+Valid, 6435 SdHoareTripleChecker+Invalid, 3719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 3268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:06:37,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4126 Valid, 6435 Invalid, 3719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 3268 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-09 01:06:37,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5716 states. [2022-02-09 01:06:38,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5716 to 1941. [2022-02-09 01:06:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 1940 states have (on average 2.796907216494845) internal successors, (5426), 1940 states have internal predecessors, (5426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 5426 transitions. [2022-02-09 01:06:38,045 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 5426 transitions. Word has length 128 [2022-02-09 01:06:38,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:06:38,045 INFO L470 AbstractCegarLoop]: Abstraction has 1941 states and 5426 transitions. [2022-02-09 01:06:38,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 4.681159420289855) internal successors, (323), 69 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 5426 transitions. [2022-02-09 01:06:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-02-09 01:06:38,049 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:06:38,049 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:06:38,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 01:06:38,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-09 01:06:38,264 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 01:06:38,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:06:38,264 INFO L85 PathProgramCache]: Analyzing trace with hash -744608986, now seen corresponding path program 5 times [2022-02-09 01:06:38,264 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:06:38,264 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557712217] [2022-02-09 01:06:38,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:06:38,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:06:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:06:39,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:39,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:06:39,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557712217] [2022-02-09 01:06:39,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557712217] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:06:39,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677542110] [2022-02-09 01:06:39,805 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 01:06:39,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:06:39,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:06:39,806 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) [2022-02-09 01:06:39,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 01:06:39,908 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-02-09 01:06:39,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:06:39,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-09 01:06:39,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:06:41,099 INFO L353 Elim1Store]: treesize reduction 48, result has 5.9 percent of original size [2022-02-09 01:06:41,099 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 20 [2022-02-09 01:06:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:41,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:06:41,680 INFO L353 Elim1Store]: treesize reduction 47, result has 53.0 percent of original size [2022-02-09 01:06:41,681 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 84 [2022-02-09 01:06:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:50,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677542110] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:06:50,995 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:06:50,996 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 21, 20] total 67 [2022-02-09 01:06:50,996 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281803897] [2022-02-09 01:06:50,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:06:50,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-02-09 01:06:50,997 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:06:50,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-02-09 01:06:50,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=4017, Unknown=0, NotChecked=0, Total=4422 [2022-02-09 01:06:50,998 INFO L87 Difference]: Start difference. First operand 1941 states and 5426 transitions. Second operand has 67 states, 67 states have (on average 4.82089552238806) internal successors, (323), 67 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:56,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:06:56,200 INFO L93 Difference]: Finished difference Result 6002 states and 16779 transitions. [2022-02-09 01:06:56,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-09 01:06:56,201 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 4.82089552238806) internal successors, (323), 67 states have internal predecessors, (323), 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 128 [2022-02-09 01:06:56,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:06:56,213 INFO L225 Difference]: With dead ends: 6002 [2022-02-09 01:06:56,214 INFO L226 Difference]: Without dead ends: 5756 [2022-02-09 01:06:56,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2787 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=1511, Invalid=10261, Unknown=0, NotChecked=0, Total=11772 [2022-02-09 01:06:56,216 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 2708 mSDsluCounter, 4974 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2708 SdHoareTripleChecker+Valid, 4760 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 153 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:06:56,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2708 Valid, 4760 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 1996 Invalid, 0 Unknown, 153 Unchecked, 1.3s Time] [2022-02-09 01:06:56,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5756 states. [2022-02-09 01:06:56,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5756 to 2345. [2022-02-09 01:06:56,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2345 states, 2344 states have (on average 2.8093003412969284) internal successors, (6585), 2344 states have internal predecessors, (6585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 6585 transitions. [2022-02-09 01:06:56,279 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 6585 transitions. Word has length 128 [2022-02-09 01:06:56,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:06:56,280 INFO L470 AbstractCegarLoop]: Abstraction has 2345 states and 6585 transitions. [2022-02-09 01:06:56,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 4.82089552238806) internal successors, (323), 67 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 6585 transitions. [2022-02-09 01:06:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-02-09 01:06:56,284 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:06:56,284 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:06:56,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 01:06:56,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:06:56,501 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 01:06:56,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:06:56,502 INFO L85 PathProgramCache]: Analyzing trace with hash 871639900, now seen corresponding path program 6 times [2022-02-09 01:06:56,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:06:56,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046299664] [2022-02-09 01:06:56,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:06:56,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:06:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:06:58,486 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:06:58,486 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:06:58,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046299664] [2022-02-09 01:06:58,487 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046299664] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:06:58,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009642203] [2022-02-09 01:06:58,487 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 01:06:58,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:06:58,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:06:58,488 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:06:58,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 01:06:58,602 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-09 01:06:58,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:06:58,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-09 01:06:58,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:06:59,053 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-02-09 01:06:59,054 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 17 [2022-02-09 01:06:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 01:06:59,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:06:59,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009642203] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:06:59,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:06:59,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [37] total 45 [2022-02-09 01:06:59,161 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294191630] [2022-02-09 01:06:59,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:06:59,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:06:59,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:06:59,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:06:59,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1855, Unknown=0, NotChecked=0, Total=1980 [2022-02-09 01:06:59,163 INFO L87 Difference]: Start difference. First operand 2345 states and 6585 transitions. Second operand has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:59,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:06:59,509 INFO L93 Difference]: Finished difference Result 3535 states and 9976 transitions. [2022-02-09 01:06:59,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:06:59,509 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 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 128 [2022-02-09 01:06:59,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:06:59,516 INFO L225 Difference]: With dead ends: 3535 [2022-02-09 01:06:59,516 INFO L226 Difference]: Without dead ends: 2859 [2022-02-09 01:06:59,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=162, Invalid=2288, Unknown=0, NotChecked=0, Total=2450 [2022-02-09 01:06:59,517 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 167 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:06:59,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 1545 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:06:59,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2022-02-09 01:06:59,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 1966. [2022-02-09 01:06:59,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1966 states, 1965 states have (on average 2.7888040712468194) internal successors, (5480), 1965 states have internal predecessors, (5480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 5480 transitions. [2022-02-09 01:06:59,558 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 5480 transitions. Word has length 128 [2022-02-09 01:06:59,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:06:59,558 INFO L470 AbstractCegarLoop]: Abstraction has 1966 states and 5480 transitions. [2022-02-09 01:06:59,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:06:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 5480 transitions. [2022-02-09 01:06:59,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-02-09 01:06:59,562 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:06:59,562 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:06:59,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 01:06:59,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:06:59,775 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 01:06:59,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:06:59,776 INFO L85 PathProgramCache]: Analyzing trace with hash -379332560, now seen corresponding path program 7 times [2022-02-09 01:06:59,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:06:59,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826368461] [2022-02-09 01:06:59,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:06:59,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:06:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:07:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:07:01,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:07:01,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826368461] [2022-02-09 01:07:01,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826368461] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:07:01,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624042586] [2022-02-09 01:07:01,520 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 01:07:01,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:07:01,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:07:01,526 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:07:01,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 01:07:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:07:01,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 63 conjunts are in the unsatisfiable core [2022-02-09 01:07:01,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:07:02,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:07:02,878 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-02-09 01:07:03,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:07:03,284 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 01:07:03,284 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 17 [2022-02-09 01:07:03,393 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:07:03,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:07:04,116 INFO L353 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-02-09 01:07:04,116 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 112 treesize of output 130 [2022-02-09 01:07:04,143 INFO L353 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-02-09 01:07:04,143 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 64 Received shutdown request... [2022-02-09 01:20:43,104 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 01:20:43,115 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-09 01:20:43,117 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-09 01:20:43,128 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 01:20:43,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 01:20:43,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:20:43,343 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 12 for 19ms.. [2022-02-09 01:20:43,344 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 01:20:43,345 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 01:20:43,345 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 01:20:43,347 INFO L732 BasicCegarLoop]: Path program histogram: [7, 1, 1] [2022-02-09 01:20:43,349 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 01:20:43,349 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 01:20:43,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 01:20:43 BasicIcfg [2022-02-09 01:20:43,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 01:20:43,351 INFO L158 Benchmark]: Toolchain (without parser) took 867827.19ms. Allocated memory was 192.9MB in the beginning and 869.3MB in the end (delta: 676.3MB). Free memory was 141.8MB in the beginning and 367.5MB in the end (delta: -225.7MB). Peak memory consumption was 596.7MB. Max. memory is 8.0GB. [2022-02-09 01:20:43,351 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory was 158.4MB in the beginning and 158.3MB in the end (delta: 74.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 01:20:43,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.34ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 162.6MB in the end (delta: -21.1MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2022-02-09 01:20:43,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.35ms. Allocated memory is still 192.9MB. Free memory was 162.6MB in the beginning and 160.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 01:20:43,351 INFO L158 Benchmark]: Boogie Preprocessor took 43.41ms. Allocated memory is still 192.9MB. Free memory was 160.5MB in the beginning and 158.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 01:20:43,351 INFO L158 Benchmark]: RCFGBuilder took 782.72ms. Allocated memory is still 192.9MB. Free memory was 158.4MB in the beginning and 135.8MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-02-09 01:20:43,352 INFO L158 Benchmark]: TraceAbstraction took 866461.89ms. Allocated memory was 192.9MB in the beginning and 869.3MB in the end (delta: 676.3MB). Free memory was 135.3MB in the beginning and 367.5MB in the end (delta: -232.2MB). Peak memory consumption was 589.4MB. Max. memory is 8.0GB. [2022-02-09 01:20:43,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory was 158.4MB in the beginning and 158.3MB in the end (delta: 74.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 461.34ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 162.6MB in the end (delta: -21.1MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.35ms. Allocated memory is still 192.9MB. Free memory was 162.6MB in the beginning and 160.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.41ms. Allocated memory is still 192.9MB. Free memory was 160.5MB in the beginning and 158.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 782.72ms. Allocated memory is still 192.9MB. Free memory was 158.4MB in the beginning and 135.8MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 866461.89ms. Allocated memory was 192.9MB in the beginning and 869.3MB in the end (delta: 676.3MB). Free memory was 135.3MB in the beginning and 367.5MB in the end (delta: -232.2MB). Peak memory consumption was 589.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 12 for 19ms.. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 12 for 19ms.. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 12 for 19ms.. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 12 for 19ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 180 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 866.3s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.2s, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8170 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8170 mSDsluCounter, 14382 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 153 IncrementalHoareTripleChecker+Unchecked, 14449 mSDsCounter, 836 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5980 IncrementalHoareTripleChecker+Invalid, 6969 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 836 mSolverCounterUnsat, 1194 mSDtfsCounter, 5980 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1118 GetRequests, 806 SyntacticMatches, 4 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7157 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5559occurred in iteration=3, InterpolantAutomatonStates: 148, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 8089 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 1494 NumberOfCodeBlocks, 1480 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1856 ConstructedInterpolants, 7 QuantifiedInterpolants, 26976 SizeOfPredicates, 78 NumberOfNonLiveVariables, 1233 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 27/93 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown