/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-buffer-series2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:49:33,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:49:33,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:49:33,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 22:49:33,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:49:33,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:49:33,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:49:33,868 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 [2022-02-10 22:49:33,899 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:49:33,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:49:33,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:49:33,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:49:33,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:49:33,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:49:33,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:49:33,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:49:33,902 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:49:33,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:49:33,903 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:49:33,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:49:33,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:49:33,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:49:33,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:49:33,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:49:33,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:49:33,904 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:49:33,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:49:33,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:49:33,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:49:33,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:49:33,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:49:33,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:49:33,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:49:33,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:49:33,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:49:33,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:49:33,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:49:33,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:49:33,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:49:33,907 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:49:33,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:49:33,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:49:34,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:49:34,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:49:34,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:49:34,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:49:34,154 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:49:34,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2022-02-10 22:49:34,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff11bbc7/28c9eb5de2c84fcca942b94b5ef440d7/FLAG08557393d [2022-02-10 22:49:34,644 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:49:34,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2022-02-10 22:49:34,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff11bbc7/28c9eb5de2c84fcca942b94b5ef440d7/FLAG08557393d [2022-02-10 22:49:34,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff11bbc7/28c9eb5de2c84fcca942b94b5ef440d7 [2022-02-10 22:49:34,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:49:34,669 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:49:34,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:49:34,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:49:34,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:49:34,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:34,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416cda1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34, skipping insertion in model container [2022-02-10 22:49:34,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:34,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:49:34,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:49:34,900 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-buffer-series2.wvr.c[4232,4245] [2022-02-10 22:49:34,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:49:34,924 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:49:34,957 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-buffer-series2.wvr.c[4232,4245] [2022-02-10 22:49:34,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:49:34,984 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:49:34,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34 WrapperNode [2022-02-10 22:49:34,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:49:34,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:49:34,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:49:34,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:49:34,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:34,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:35,053 INFO L137 Inliner]: procedures = 27, calls = 83, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 346 [2022-02-10 22:49:35,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:49:35,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:49:35,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:49:35,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:49:35,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:35,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:35,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:35,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:35,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:35,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:35,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:35,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:49:35,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:49:35,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:49:35,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:49:35,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (1/1) ... [2022-02-10 22:49:35,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:49:35,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:49:35,165 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) [2022-02-10 22:49:35,204 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 [2022-02-10 22:49:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:49:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:49:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:49:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 22:49:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-10 22:49:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-10 22:49:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-10 22:49:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-10 22:49:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-10 22:49:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-10 22:49:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-10 22:49:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-10 22:49:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:49:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-10 22:49:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-10 22:49:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-10 22:49:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:49:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:49:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:49:35,227 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 22:49:35,316 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:49:35,318 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:49:35,743 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:49:35,935 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:49:35,935 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-02-10 22:49:35,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:49:35 BoogieIcfgContainer [2022-02-10 22:49:35,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:49:35,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:49:35,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:49:35,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:49:35,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:49:34" (1/3) ... [2022-02-10 22:49:35,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ce5770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:49:35, skipping insertion in model container [2022-02-10 22:49:35,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:49:34" (2/3) ... [2022-02-10 22:49:35,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ce5770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:49:35, skipping insertion in model container [2022-02-10 22:49:35,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:49:35" (3/3) ... [2022-02-10 22:49:35,944 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2022-02-10 22:49:35,952 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:49:35,952 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:49:35,952 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 22:49:35,952 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:49:36,006 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,007 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,007 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,007 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,007 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,008 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,008 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,008 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,008 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,011 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,011 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,011 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,011 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,011 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,012 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,013 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,013 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,015 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,015 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,015 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,016 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,016 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,016 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,017 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,017 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,017 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,017 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,017 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,018 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,018 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,018 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,018 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,018 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,018 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,019 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,019 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,019 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,019 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,019 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,019 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,019 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,020 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,020 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,021 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,021 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,021 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,021 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,023 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,023 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,023 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,023 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,024 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,024 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,024 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,024 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,024 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,024 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,024 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,025 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,025 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,025 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,025 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,025 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,026 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,026 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,026 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,026 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,026 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,027 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,027 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,027 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,027 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,027 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,028 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,029 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,030 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,031 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,031 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,033 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,038 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,038 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,038 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,038 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,038 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,038 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,039 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,039 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,040 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,040 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,040 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,041 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,041 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,041 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,041 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,041 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,042 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,042 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,042 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,042 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,042 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,042 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,042 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,042 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,042 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,043 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,043 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,043 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,048 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,049 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,049 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,049 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,049 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,049 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,049 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,049 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,049 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,049 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,050 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,050 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,050 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,051 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,051 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,051 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,051 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,051 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,051 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,051 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,051 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,052 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,052 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,054 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,054 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,054 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,055 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,055 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,055 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,055 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,055 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,055 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,055 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,055 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,055 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,056 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,058 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,058 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,058 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,058 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,058 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,058 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,059 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,059 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,059 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:49:36,064 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-10 22:49:36,119 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:49:36,126 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, 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 [2022-02-10 22:49:36,127 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-10 22:49:36,144 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 256 places, 265 transitions, 562 flow [2022-02-10 22:49:36,865 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13367 states, 13366 states have (on average 4.978901690857399) internal successors, (66548), 13366 states have internal predecessors, (66548), 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) [2022-02-10 22:49:36,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 13367 states, 13366 states have (on average 4.978901690857399) internal successors, (66548), 13366 states have internal predecessors, (66548), 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) [2022-02-10 22:49:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-02-10 22:49:37,093 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:49:37,094 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:49:37,095 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:49:37,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:49:37,101 INFO L85 PathProgramCache]: Analyzing trace with hash -766210077, now seen corresponding path program 1 times [2022-02-10 22:49:37,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:49:37,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990490131] [2022-02-10 22:49:37,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:49:37,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:49:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:49:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:49:37,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:49:37,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990490131] [2022-02-10 22:49:37,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990490131] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:49:37,452 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:49:37,452 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 22:49:37,453 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704048235] [2022-02-10 22:49:37,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:49:37,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 22:49:37,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:49:37,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 22:49:37,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:49:37,533 INFO L87 Difference]: Start difference. First operand has 13367 states, 13366 states have (on average 4.978901690857399) internal successors, (66548), 13366 states have internal predecessors, (66548), 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 96.0) internal successors, (192), 2 states have internal predecessors, (192), 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) [2022-02-10 22:49:37,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:49:37,852 INFO L93 Difference]: Finished difference Result 13367 states and 59591 transitions. [2022-02-10 22:49:37,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 22:49:37,855 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 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 192 [2022-02-10 22:49:37,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:49:38,100 INFO L225 Difference]: With dead ends: 13367 [2022-02-10 22:49:38,100 INFO L226 Difference]: Without dead ends: 13359 [2022-02-10 22:49:38,102 INFO L933 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 [2022-02-10 22:49:38,107 INFO L934 BasicCegarLoop]: 221 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:49:38,108 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:49:38,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13359 states. [2022-02-10 22:49:38,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13359 to 13359. [2022-02-10 22:49:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13359 states, 13358 states have (on average 4.460473124719269) internal successors, (59583), 13358 states have internal predecessors, (59583), 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) [2022-02-10 22:49:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13359 states to 13359 states and 59583 transitions. [2022-02-10 22:49:39,031 INFO L78 Accepts]: Start accepts. Automaton has 13359 states and 59583 transitions. Word has length 192 [2022-02-10 22:49:39,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:49:39,034 INFO L470 AbstractCegarLoop]: Abstraction has 13359 states and 59583 transitions. [2022-02-10 22:49:39,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 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) [2022-02-10 22:49:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 13359 states and 59583 transitions. [2022-02-10 22:49:39,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-02-10 22:49:39,098 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:49:39,099 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:49:39,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:49:39,104 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:49:39,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:49:39,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1814550406, now seen corresponding path program 1 times [2022-02-10 22:49:39,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:49:39,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092825497] [2022-02-10 22:49:39,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:49:39,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:49:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:49:39,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:49:39,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:49:39,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092825497] [2022-02-10 22:49:39,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092825497] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:49:39,732 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:49:39,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:49:39,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574175022] [2022-02-10 22:49:39,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:49:39,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:49:39,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:49:39,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:49:39,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:49:39,735 INFO L87 Difference]: Start difference. First operand 13359 states and 59583 transitions. Second operand has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 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) [2022-02-10 22:49:40,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:49:40,267 INFO L93 Difference]: Finished difference Result 22553 states and 101345 transitions. [2022-02-10 22:49:40,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-10 22:49:40,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 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 192 [2022-02-10 22:49:40,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:49:40,565 INFO L225 Difference]: With dead ends: 22553 [2022-02-10 22:49:40,566 INFO L226 Difference]: Without dead ends: 20558 [2022-02-10 22:49:40,570 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:49:40,571 INFO L934 BasicCegarLoop]: 211 mSDtfsCounter, 33 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:49:40,572 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 661 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:49:40,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20558 states. [2022-02-10 22:49:41,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20558 to 17841. [2022-02-10 22:49:41,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17841 states, 17840 states have (on average 4.465190582959641) internal successors, (79659), 17840 states have internal predecessors, (79659), 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) [2022-02-10 22:49:41,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17841 states to 17841 states and 79659 transitions. [2022-02-10 22:49:41,516 INFO L78 Accepts]: Start accepts. Automaton has 17841 states and 79659 transitions. Word has length 192 [2022-02-10 22:49:41,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:49:41,519 INFO L470 AbstractCegarLoop]: Abstraction has 17841 states and 79659 transitions. [2022-02-10 22:49:41,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 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) [2022-02-10 22:49:41,520 INFO L276 IsEmpty]: Start isEmpty. Operand 17841 states and 79659 transitions. [2022-02-10 22:49:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-02-10 22:49:41,588 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:49:41,588 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:49:41,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 22:49:41,588 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:49:41,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:49:41,589 INFO L85 PathProgramCache]: Analyzing trace with hash 738961527, now seen corresponding path program 1 times [2022-02-10 22:49:41,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:49:41,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053302456] [2022-02-10 22:49:41,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:49:41,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:49:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:49:41,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:49:41,836 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:49:41,836 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053302456] [2022-02-10 22:49:41,836 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053302456] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:49:41,837 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:49:41,837 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:49:41,837 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136594466] [2022-02-10 22:49:41,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:49:41,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:49:41,839 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:49:41,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:49:41,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:49:41,840 INFO L87 Difference]: Start difference. First operand 17841 states and 79659 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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) [2022-02-10 22:49:42,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:49:42,235 INFO L93 Difference]: Finished difference Result 27548 states and 121721 transitions. [2022-02-10 22:49:42,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:49:42,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 195 [2022-02-10 22:49:42,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:49:42,404 INFO L225 Difference]: With dead ends: 27548 [2022-02-10 22:49:42,404 INFO L226 Difference]: Without dead ends: 26018 [2022-02-10 22:49:42,404 INFO L933 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 [2022-02-10 22:49:42,414 INFO L934 BasicCegarLoop]: 212 mSDtfsCounter, 43 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:49:42,416 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 303 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:49:42,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26018 states. [2022-02-10 22:49:43,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26018 to 21419. [2022-02-10 22:49:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21419 states, 21418 states have (on average 4.457278924269306) internal successors, (95466), 21418 states have internal predecessors, (95466), 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) [2022-02-10 22:49:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21419 states to 21419 states and 95466 transitions. [2022-02-10 22:49:43,445 INFO L78 Accepts]: Start accepts. Automaton has 21419 states and 95466 transitions. Word has length 195 [2022-02-10 22:49:43,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:49:43,445 INFO L470 AbstractCegarLoop]: Abstraction has 21419 states and 95466 transitions. [2022-02-10 22:49:43,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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) [2022-02-10 22:49:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 21419 states and 95466 transitions. [2022-02-10 22:49:43,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-02-10 22:49:43,563 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:49:43,564 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:49:43,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 22:49:43,564 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:49:43,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:49:43,564 INFO L85 PathProgramCache]: Analyzing trace with hash 526751597, now seen corresponding path program 1 times [2022-02-10 22:49:43,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:49:43,565 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041243574] [2022-02-10 22:49:43,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:49:43,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:49:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:49:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:49:43,821 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:49:43,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041243574] [2022-02-10 22:49:43,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041243574] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:49:43,821 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:49:43,821 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:49:43,821 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420650768] [2022-02-10 22:49:43,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:49:43,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:49:43,823 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:49:43,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:49:43,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:49:43,823 INFO L87 Difference]: Start difference. First operand 21419 states and 95466 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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) [2022-02-10 22:49:44,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:49:44,363 INFO L93 Difference]: Finished difference Result 32735 states and 143741 transitions. [2022-02-10 22:49:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:49:44,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 195 [2022-02-10 22:49:44,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:49:44,568 INFO L225 Difference]: With dead ends: 32735 [2022-02-10 22:49:44,569 INFO L226 Difference]: Without dead ends: 30590 [2022-02-10 22:49:44,569 INFO L933 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 [2022-02-10 22:49:44,574 INFO L934 BasicCegarLoop]: 220 mSDtfsCounter, 54 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:49:44,575 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 310 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:49:44,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30590 states. [2022-02-10 22:49:45,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30590 to 26720. [2022-02-10 22:49:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26720 states, 26719 states have (on average 4.40806167895505) internal successors, (117779), 26719 states have internal predecessors, (117779), 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) [2022-02-10 22:49:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26720 states to 26720 states and 117779 transitions. [2022-02-10 22:49:45,872 INFO L78 Accepts]: Start accepts. Automaton has 26720 states and 117779 transitions. Word has length 195 [2022-02-10 22:49:45,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:49:45,872 INFO L470 AbstractCegarLoop]: Abstraction has 26720 states and 117779 transitions. [2022-02-10 22:49:45,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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) [2022-02-10 22:49:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 26720 states and 117779 transitions. [2022-02-10 22:49:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-02-10 22:49:45,950 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:49:45,950 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:49:45,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 22:49:45,950 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:49:45,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:49:45,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1520170606, now seen corresponding path program 1 times [2022-02-10 22:49:45,951 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:49:45,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312808121] [2022-02-10 22:49:45,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:49:45,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:49:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:49:46,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:49:46,082 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:49:46,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312808121] [2022-02-10 22:49:46,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312808121] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:49:46,082 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:49:46,082 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:49:46,082 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424546610] [2022-02-10 22:49:46,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:49:46,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:49:46,083 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:49:46,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:49:46,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:49:46,083 INFO L87 Difference]: Start difference. First operand 26720 states and 117779 transitions. Second operand has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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) [2022-02-10 22:49:46,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:49:46,734 INFO L93 Difference]: Finished difference Result 39005 states and 167887 transitions. [2022-02-10 22:49:46,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:49:46,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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 198 [2022-02-10 22:49:46,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:49:46,953 INFO L225 Difference]: With dead ends: 39005 [2022-02-10 22:49:46,953 INFO L226 Difference]: Without dead ends: 35252 [2022-02-10 22:49:46,954 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:49:46,954 INFO L934 BasicCegarLoop]: 205 mSDtfsCounter, 147 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:49:46,954 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 902 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:49:47,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35252 states. [2022-02-10 22:49:47,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35252 to 30135. [2022-02-10 22:49:47,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30135 states, 30134 states have (on average 4.384681754828433) internal successors, (132128), 30134 states have internal predecessors, (132128), 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) [2022-02-10 22:49:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30135 states to 30135 states and 132128 transitions. [2022-02-10 22:49:48,120 INFO L78 Accepts]: Start accepts. Automaton has 30135 states and 132128 transitions. Word has length 198 [2022-02-10 22:49:48,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:49:48,120 INFO L470 AbstractCegarLoop]: Abstraction has 30135 states and 132128 transitions. [2022-02-10 22:49:48,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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) [2022-02-10 22:49:48,121 INFO L276 IsEmpty]: Start isEmpty. Operand 30135 states and 132128 transitions. [2022-02-10 22:49:48,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-02-10 22:49:48,215 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:49:48,215 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:49:48,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 22:49:48,215 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:49:48,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:49:48,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1453084102, now seen corresponding path program 1 times [2022-02-10 22:49:48,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:49:48,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552670253] [2022-02-10 22:49:48,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:49:48,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:49:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:49:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:49:48,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:49:48,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552670253] [2022-02-10 22:49:48,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552670253] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:49:48,324 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:49:48,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:49:48,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273687400] [2022-02-10 22:49:48,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:49:48,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:49:48,325 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:49:48,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:49:48,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:49:48,326 INFO L87 Difference]: Start difference. First operand 30135 states and 132128 transitions. Second operand has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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) [2022-02-10 22:49:49,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:49:49,032 INFO L93 Difference]: Finished difference Result 42367 states and 181562 transitions. [2022-02-10 22:49:49,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:49:49,032 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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 198 [2022-02-10 22:49:49,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:49:49,187 INFO L225 Difference]: With dead ends: 42367 [2022-02-10 22:49:49,187 INFO L226 Difference]: Without dead ends: 38581 [2022-02-10 22:49:49,188 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:49:49,188 INFO L934 BasicCegarLoop]: 205 mSDtfsCounter, 161 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:49:49,188 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 904 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:49:49,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38581 states. [2022-02-10 22:49:50,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38581 to 33158. [2022-02-10 22:49:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33158 states, 33157 states have (on average 4.369152818409385) internal successors, (144868), 33157 states have internal predecessors, (144868), 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) [2022-02-10 22:49:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33158 states to 33158 states and 144868 transitions. [2022-02-10 22:49:50,434 INFO L78 Accepts]: Start accepts. Automaton has 33158 states and 144868 transitions. Word has length 198 [2022-02-10 22:49:50,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:49:50,434 INFO L470 AbstractCegarLoop]: Abstraction has 33158 states and 144868 transitions. [2022-02-10 22:49:50,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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) [2022-02-10 22:49:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 33158 states and 144868 transitions. [2022-02-10 22:49:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-02-10 22:49:50,517 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:49:50,517 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:49:50,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 22:49:50,517 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:49:50,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:49:50,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1962956755, now seen corresponding path program 1 times [2022-02-10 22:49:50,518 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:49:50,518 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362904649] [2022-02-10 22:49:50,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:49:50,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:49:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:49:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-10 22:49:51,021 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:49:51,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362904649] [2022-02-10 22:49:51,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362904649] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:49:51,021 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:49:51,021 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:49:51,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767051896] [2022-02-10 22:49:51,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:49:51,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:49:51,022 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:49:51,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:49:51,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:49:51,023 INFO L87 Difference]: Start difference. First operand 33158 states and 144868 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 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) [2022-02-10 22:49:51,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:49:51,660 INFO L93 Difference]: Finished difference Result 50735 states and 216917 transitions. [2022-02-10 22:49:51,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:49:51,660 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 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 205 [2022-02-10 22:49:51,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:49:52,172 INFO L225 Difference]: With dead ends: 50735 [2022-02-10 22:49:52,172 INFO L226 Difference]: Without dead ends: 48920 [2022-02-10 22:49:52,173 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 22:49:52,173 INFO L934 BasicCegarLoop]: 224 mSDtfsCounter, 618 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:49:52,173 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [618 Valid, 1009 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:49:52,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48920 states. [2022-02-10 22:49:53,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48920 to 33160. [2022-02-10 22:49:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33160 states, 33159 states have (on average 4.368979764166591) internal successors, (144871), 33159 states have internal predecessors, (144871), 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) [2022-02-10 22:49:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33160 states to 33160 states and 144871 transitions. [2022-02-10 22:49:53,608 INFO L78 Accepts]: Start accepts. Automaton has 33160 states and 144871 transitions. Word has length 205 [2022-02-10 22:49:53,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:49:53,608 INFO L470 AbstractCegarLoop]: Abstraction has 33160 states and 144871 transitions. [2022-02-10 22:49:53,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 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) [2022-02-10 22:49:53,609 INFO L276 IsEmpty]: Start isEmpty. Operand 33160 states and 144871 transitions. [2022-02-10 22:49:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-02-10 22:49:53,720 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:49:53,720 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:49:53,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 22:49:53,721 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:49:53,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:49:53,722 INFO L85 PathProgramCache]: Analyzing trace with hash -430324669, now seen corresponding path program 1 times [2022-02-10 22:49:53,722 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:49:53,722 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463010124] [2022-02-10 22:49:53,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:49:53,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:49:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:49:53,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-10 22:49:53,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:49:53,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463010124] [2022-02-10 22:49:53,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463010124] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:49:53,999 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:49:53,999 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:49:53,999 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966446357] [2022-02-10 22:49:53,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:49:54,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:49:54,000 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:49:54,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:49:54,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:49:54,000 INFO L87 Difference]: Start difference. First operand 33160 states and 144871 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 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) [2022-02-10 22:49:54,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:49:54,843 INFO L93 Difference]: Finished difference Result 38891 states and 167701 transitions. [2022-02-10 22:49:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:49:54,844 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 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 205 [2022-02-10 22:49:54,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:49:55,038 INFO L225 Difference]: With dead ends: 38891 [2022-02-10 22:49:55,038 INFO L226 Difference]: Without dead ends: 38024 [2022-02-10 22:49:55,039 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-02-10 22:49:55,039 INFO L934 BasicCegarLoop]: 223 mSDtfsCounter, 480 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:49:55,039 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [480 Valid, 991 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:49:55,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38024 states. [2022-02-10 22:49:55,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38024 to 33161. [2022-02-10 22:49:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33161 states, 33160 states have (on average 4.368848009650181) internal successors, (144871), 33160 states have internal predecessors, (144871), 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) [2022-02-10 22:49:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33161 states to 33161 states and 144871 transitions. [2022-02-10 22:49:56,167 INFO L78 Accepts]: Start accepts. Automaton has 33161 states and 144871 transitions. Word has length 205 [2022-02-10 22:49:56,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:49:56,167 INFO L470 AbstractCegarLoop]: Abstraction has 33161 states and 144871 transitions. [2022-02-10 22:49:56,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 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) [2022-02-10 22:49:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 33161 states and 144871 transitions. [2022-02-10 22:49:56,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-02-10 22:49:56,595 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:49:56,596 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:49:56,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 22:49:56,596 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:49:56,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:49:56,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1577014841, now seen corresponding path program 1 times [2022-02-10 22:49:56,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:49:56,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181538084] [2022-02-10 22:49:56,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:49:56,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:49:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:49:56,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:49:56,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:49:56,771 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181538084] [2022-02-10 22:49:56,771 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181538084] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:49:56,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461502596] [2022-02-10 22:49:56,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:49:56,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:49:56,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:49:56,779 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) [2022-02-10 22:49:56,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-10 22:49:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:49:56,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-10 22:49:56,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:49:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:49:57,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:49:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-10 22:49:58,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461502596] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-10 22:49:58,230 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-10 22:49:58,230 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9, 8] total 22 [2022-02-10 22:49:58,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818010052] [2022-02-10 22:49:58,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:49:58,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 22:49:58,231 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:49:58,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 22:49:58,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2022-02-10 22:49:58,232 INFO L87 Difference]: Start difference. First operand 33161 states and 144871 transitions. Second operand has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 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) [2022-02-10 22:49:59,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:49:59,162 INFO L93 Difference]: Finished difference Result 43382 states and 186568 transitions. [2022-02-10 22:49:59,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-10 22:49:59,162 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 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 212 [2022-02-10 22:49:59,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:49:59,333 INFO L225 Difference]: With dead ends: 43382 [2022-02-10 22:49:59,333 INFO L226 Difference]: Without dead ends: 39639 [2022-02-10 22:49:59,333 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=232, Invalid=1028, Unknown=0, NotChecked=0, Total=1260 [2022-02-10 22:49:59,334 INFO L934 BasicCegarLoop]: 230 mSDtfsCounter, 874 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:49:59,334 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [874 Valid, 1147 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:49:59,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39639 states. [2022-02-10 22:50:00,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39639 to 28722. [2022-02-10 22:50:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28722 states, 28721 states have (on average 4.386058981233244) internal successors, (125972), 28721 states have internal predecessors, (125972), 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) [2022-02-10 22:50:00,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28722 states to 28722 states and 125972 transitions. [2022-02-10 22:50:00,620 INFO L78 Accepts]: Start accepts. Automaton has 28722 states and 125972 transitions. Word has length 212 [2022-02-10 22:50:00,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:50:00,620 INFO L470 AbstractCegarLoop]: Abstraction has 28722 states and 125972 transitions. [2022-02-10 22:50:00,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 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) [2022-02-10 22:50:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 28722 states and 125972 transitions. [2022-02-10 22:50:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-02-10 22:50:00,692 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:50:00,692 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:50:00,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-10 22:50:00,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:50:00,893 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:50:00,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:50:00,894 INFO L85 PathProgramCache]: Analyzing trace with hash 872462099, now seen corresponding path program 1 times [2022-02-10 22:50:00,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:50:00,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613859221] [2022-02-10 22:50:00,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:50:00,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:50:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:50:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:50:01,142 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:50:01,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613859221] [2022-02-10 22:50:01,142 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613859221] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:50:01,142 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:50:01,142 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 22:50:01,142 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181721317] [2022-02-10 22:50:01,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:50:01,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 22:50:01,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:50:01,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 22:50:01,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:50:01,143 INFO L87 Difference]: Start difference. First operand 28722 states and 125972 transitions. Second operand has 9 states, 9 states have (on average 23.555555555555557) internal successors, (212), 9 states have internal predecessors, (212), 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) [2022-02-10 22:50:01,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:50:01,621 INFO L93 Difference]: Finished difference Result 31671 states and 138317 transitions. [2022-02-10 22:50:01,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:50:01,621 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.555555555555557) internal successors, (212), 9 states have internal predecessors, (212), 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 212 [2022-02-10 22:50:01,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:50:01,996 INFO L225 Difference]: With dead ends: 31671 [2022-02-10 22:50:01,997 INFO L226 Difference]: Without dead ends: 27014 [2022-02-10 22:50:01,997 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2022-02-10 22:50:01,997 INFO L934 BasicCegarLoop]: 224 mSDtfsCounter, 498 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:50:01,997 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [498 Valid, 851 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:50:02,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27014 states. [2022-02-10 22:50:02,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27014 to 22349. [2022-02-10 22:50:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22349 states, 22348 states have (on average 4.41484696617147) internal successors, (98663), 22348 states have internal predecessors, (98663), 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) [2022-02-10 22:50:02,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22349 states to 22349 states and 98663 transitions. [2022-02-10 22:50:02,827 INFO L78 Accepts]: Start accepts. Automaton has 22349 states and 98663 transitions. Word has length 212 [2022-02-10 22:50:02,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:50:02,828 INFO L470 AbstractCegarLoop]: Abstraction has 22349 states and 98663 transitions. [2022-02-10 22:50:02,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.555555555555557) internal successors, (212), 9 states have internal predecessors, (212), 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) [2022-02-10 22:50:02,828 INFO L276 IsEmpty]: Start isEmpty. Operand 22349 states and 98663 transitions. [2022-02-10 22:50:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-02-10 22:50:02,883 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:50:02,883 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:50:02,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 22:50:02,883 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:50:02,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:50:02,884 INFO L85 PathProgramCache]: Analyzing trace with hash -2106038463, now seen corresponding path program 1 times [2022-02-10 22:50:02,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:50:02,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821577565] [2022-02-10 22:50:02,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:50:02,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:50:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:50:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-10 22:50:02,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:50:02,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821577565] [2022-02-10 22:50:02,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821577565] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:50:02,989 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:50:02,989 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:50:02,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423490811] [2022-02-10 22:50:02,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:50:02,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:50:02,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:50:02,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:50:02,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:50:02,990 INFO L87 Difference]: Start difference. First operand 22349 states and 98663 transitions. Second operand has 5 states, 5 states have (on average 44.4) internal successors, (222), 5 states have internal predecessors, (222), 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) [2022-02-10 22:50:03,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:50:03,604 INFO L93 Difference]: Finished difference Result 36758 states and 165032 transitions. [2022-02-10 22:50:03,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 22:50:03,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.4) internal successors, (222), 5 states have internal predecessors, (222), 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 222 [2022-02-10 22:50:03,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:50:03,802 INFO L225 Difference]: With dead ends: 36758 [2022-02-10 22:50:03,802 INFO L226 Difference]: Without dead ends: 36758 [2022-02-10 22:50:03,802 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:50:03,803 INFO L934 BasicCegarLoop]: 276 mSDtfsCounter, 169 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:50:03,803 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 790 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:50:03,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36758 states. [2022-02-10 22:50:04,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36758 to 19688. [2022-02-10 22:50:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19688 states, 19687 states have (on average 4.4105755066795345) internal successors, (86831), 19687 states have internal predecessors, (86831), 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) [2022-02-10 22:50:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19688 states to 19688 states and 86831 transitions. [2022-02-10 22:50:04,664 INFO L78 Accepts]: Start accepts. Automaton has 19688 states and 86831 transitions. Word has length 222 [2022-02-10 22:50:04,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:50:04,664 INFO L470 AbstractCegarLoop]: Abstraction has 19688 states and 86831 transitions. [2022-02-10 22:50:04,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.4) internal successors, (222), 5 states have internal predecessors, (222), 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) [2022-02-10 22:50:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 19688 states and 86831 transitions. [2022-02-10 22:50:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-02-10 22:50:04,709 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:50:04,709 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:50:04,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 22:50:04,710 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:50:04,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:50:04,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1976718903, now seen corresponding path program 1 times [2022-02-10 22:50:04,710 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:50:04,710 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749352981] [2022-02-10 22:50:04,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:50:04,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:50:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:50:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-10 22:50:04,815 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:50:04,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749352981] [2022-02-10 22:50:04,815 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749352981] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:50:04,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494318851] [2022-02-10 22:50:04,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:50:04,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:50:04,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:50:04,820 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) [2022-02-10 22:50:04,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-10 22:50:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:50:04,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-10 22:50:04,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:50:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-10 22:50:05,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:50:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-10 22:50:05,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494318851] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-10 22:50:05,961 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-10 22:50:05,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 6] total 11 [2022-02-10 22:50:05,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801499300] [2022-02-10 22:50:05,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:50:05,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 22:50:05,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:50:05,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 22:50:05,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-10 22:50:05,962 INFO L87 Difference]: Start difference. First operand 19688 states and 86831 transitions. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 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) [2022-02-10 22:50:06,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:50:06,663 INFO L93 Difference]: Finished difference Result 39443 states and 174638 transitions. [2022-02-10 22:50:06,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 22:50:06,664 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 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 222 [2022-02-10 22:50:06,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:50:06,829 INFO L225 Difference]: With dead ends: 39443 [2022-02-10 22:50:06,829 INFO L226 Difference]: Without dead ends: 39443 [2022-02-10 22:50:06,829 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 436 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-02-10 22:50:06,830 INFO L934 BasicCegarLoop]: 302 mSDtfsCounter, 401 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:50:06,830 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [401 Valid, 1046 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:50:06,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39443 states. [2022-02-10 22:50:07,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39443 to 23792. [2022-02-10 22:50:07,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23792 states, 23791 states have (on average 4.4260014291118495) internal successors, (105299), 23791 states have internal predecessors, (105299), 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) [2022-02-10 22:50:07,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23792 states to 23792 states and 105299 transitions. [2022-02-10 22:50:07,975 INFO L78 Accepts]: Start accepts. Automaton has 23792 states and 105299 transitions. Word has length 222 [2022-02-10 22:50:07,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:50:07,976 INFO L470 AbstractCegarLoop]: Abstraction has 23792 states and 105299 transitions. [2022-02-10 22:50:07,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 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) [2022-02-10 22:50:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 23792 states and 105299 transitions. [2022-02-10 22:50:08,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-02-10 22:50:08,046 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:50:08,046 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:50:08,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-10 22:50:08,247 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,SelfDestructingSolverStorable11 [2022-02-10 22:50:08,247 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:50:08,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:50:08,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1580836553, now seen corresponding path program 2 times [2022-02-10 22:50:08,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:50:08,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382521281] [2022-02-10 22:50:08,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:50:08,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:50:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:50:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-10 22:50:08,484 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:50:08,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382521281] [2022-02-10 22:50:08,484 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382521281] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:50:08,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364466902] [2022-02-10 22:50:08,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 22:50:08,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:50:08,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:50:08,488 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) [2022-02-10 22:50:08,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-10 22:50:08,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 22:50:08,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 22:50:08,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-10 22:50:08,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:50:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:50:09,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:50:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:50:09,921 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364466902] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-10 22:50:09,921 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-10 22:50:09,921 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9, 10] total 24 [2022-02-10 22:50:09,921 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068567775] [2022-02-10 22:50:09,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:50:09,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 22:50:09,922 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:50:09,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 22:50:09,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-02-10 22:50:09,922 INFO L87 Difference]: Start difference. First operand 23792 states and 105299 transitions. Second operand has 10 states, 10 states have (on average 22.2) internal successors, (222), 10 states have internal predecessors, (222), 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) [2022-02-10 22:50:10,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:50:10,605 INFO L93 Difference]: Finished difference Result 27212 states and 119579 transitions. [2022-02-10 22:50:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 22:50:10,606 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 22.2) internal successors, (222), 10 states have internal predecessors, (222), 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 222 [2022-02-10 22:50:10,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:50:10,718 INFO L225 Difference]: With dead ends: 27212 [2022-02-10 22:50:10,718 INFO L226 Difference]: Without dead ends: 27212 [2022-02-10 22:50:10,718 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 429 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=218, Invalid=904, Unknown=0, NotChecked=0, Total=1122 [2022-02-10 22:50:10,719 INFO L934 BasicCegarLoop]: 237 mSDtfsCounter, 648 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:50:10,719 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 1250 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:50:10,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27212 states. [2022-02-10 22:50:11,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27212 to 21956. [2022-02-10 22:50:11,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21956 states, 21955 states have (on average 4.399316784331587) internal successors, (96587), 21955 states have internal predecessors, (96587), 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) [2022-02-10 22:50:11,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21956 states to 21956 states and 96587 transitions. [2022-02-10 22:50:11,454 INFO L78 Accepts]: Start accepts. Automaton has 21956 states and 96587 transitions. Word has length 222 [2022-02-10 22:50:11,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:50:11,454 INFO L470 AbstractCegarLoop]: Abstraction has 21956 states and 96587 transitions. [2022-02-10 22:50:11,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.2) internal successors, (222), 10 states have internal predecessors, (222), 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) [2022-02-10 22:50:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 21956 states and 96587 transitions. [2022-02-10 22:50:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-02-10 22:50:11,506 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:50:11,506 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:50:11,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-10 22:50:11,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:50:11,707 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:50:11,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:50:11,708 INFO L85 PathProgramCache]: Analyzing trace with hash 62447654, now seen corresponding path program 1 times [2022-02-10 22:50:11,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:50:11,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525857381] [2022-02-10 22:50:11,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:50:11,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:50:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:50:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:50:16,151 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:50:16,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525857381] [2022-02-10 22:50:16,151 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525857381] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:50:16,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920656271] [2022-02-10 22:50:16,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:50:16,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:50:16,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:50:16,159 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) [2022-02-10 22:50:16,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-10 22:50:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:50:16,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 130 conjunts are in the unsatisfiable core [2022-02-10 22:50:16,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:50:16,494 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-10 22:50:16,563 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-10 22:50:16,564 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-02-10 22:50:16,664 INFO L353 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-02-10 22:50:16,665 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 22 [2022-02-10 22:50:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:17,946 INFO L353 Elim1Store]: treesize reduction 42, result has 19.2 percent of original size [2022-02-10 22:50:17,947 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 37 [2022-02-10 22:50:18,515 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-10 22:50:20,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:20,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:20,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:20,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:20,724 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-02-10 22:50:20,725 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 32 treesize of output 49 [2022-02-10 22:50:21,657 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-10 22:50:25,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:25,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:25,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:25,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:26,023 INFO L353 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-02-10 22:50:26,023 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 31 treesize of output 39 [2022-02-10 22:50:27,323 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-10 22:50:30,710 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-10 22:50:31,862 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-10 22:50:34,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:34,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-10 22:50:34,130 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-10 22:50:34,131 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 48 [2022-02-10 22:50:34,167 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-02-10 22:50:34,993 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-02-10 22:50:36,794 INFO L353 Elim1Store]: treesize reduction 26, result has 21.2 percent of original size [2022-02-10 22:50:36,794 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 19 [2022-02-10 22:50:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:50:36,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:56:45,493 INFO L353 Elim1Store]: treesize reduction 27, result has 61.4 percent of original size [2022-02-10 22:56:45,494 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 468 treesize of output 222 [2022-02-10 22:56:45,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-10 22:56:46,132 INFO L353 Elim1Store]: treesize reduction 234, result has 51.7 percent of original size [2022-02-10 22:56:46,134 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 7528180 treesize of output 7331181 [2022-02-10 22:56:58,749 WARN L228 SmtUtils]: Spent 12.61s on a formula simplification that was a NOOP. DAG size: 2291 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-10 22:56:59,048 INFO L353 Elim1Store]: treesize reduction 76, result has 65.6 percent of original size [2022-02-10 22:56:59,050 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 7331181 treesize of output 6936509 [2022-02-10 22:57:11,765 WARN L228 SmtUtils]: Spent 12.71s on a formula simplification that was a NOOP. DAG size: 2322 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-10 22:57:12,077 INFO L353 Elim1Store]: treesize reduction 76, result has 65.6 percent of original size [2022-02-10 22:57:12,079 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 6936509 treesize of output 6739245 [2022-02-10 22:57:24,886 WARN L228 SmtUtils]: Spent 12.80s on a formula simplification that was a NOOP. DAG size: 2354 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-10 22:57:25,044 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 22:57:25,047 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6739245 treesize of output 6689825 [2022-02-10 22:57:37,926 WARN L228 SmtUtils]: Spent 12.88s on a formula simplification that was a NOOP. DAG size: 2370 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-10 22:57:50,781 WARN L228 SmtUtils]: Spent 12.84s on a formula simplification that was a NOOP. DAG size: 2353 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-10 22:57:50,917 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 22:57:50,919 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6684653 treesize of output 5898238 [2022-02-10 22:58:03,770 WARN L228 SmtUtils]: Spent 12.85s on a formula simplification that was a NOOP. DAG size: 2355 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-10 22:58:03,895 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 22:58:03,897 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5898221 treesize of output 5505022 [2022-02-10 22:58:16,731 WARN L228 SmtUtils]: Spent 12.83s on a formula simplification that was a NOOP. DAG size: 2357 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-10 22:58:16,849 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 22:58:16,851 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5505005 treesize of output 4718590 [2022-02-10 22:58:29,684 WARN L228 SmtUtils]: Spent 12.83s on a formula simplification that was a NOOP. DAG size: 2359 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-10 22:58:29,813 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 22:58:29,815 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4718573 treesize of output 4325374 [2022-02-10 22:58:42,796 WARN L228 SmtUtils]: Spent 12.98s on a formula simplification that was a NOOP. DAG size: 2361 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-10 22:58:42,901 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-10 22:58:42,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-10 22:58:43,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:58:43,126 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:611) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:64) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:308) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-10 22:58:43,128 INFO L158 Benchmark]: Toolchain (without parser) took 548459.48ms. Allocated memory was 182.5MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 133.7MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 6.9GB. Max. memory is 8.0GB. [2022-02-10 22:58:43,129 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 22:58:43,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.88ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 157.8MB in the end (delta: -24.4MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2022-02-10 22:58:43,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.19ms. Allocated memory is still 182.5MB. Free memory was 157.8MB in the beginning and 154.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-10 22:58:43,129 INFO L158 Benchmark]: Boogie Preprocessor took 59.04ms. Allocated memory is still 182.5MB. Free memory was 154.6MB in the beginning and 152.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 22:58:43,129 INFO L158 Benchmark]: RCFGBuilder took 823.47ms. Allocated memory is still 182.5MB. Free memory was 152.5MB in the beginning and 108.5MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2022-02-10 22:58:43,129 INFO L158 Benchmark]: TraceAbstraction took 547189.11ms. Allocated memory was 182.5MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 108.0MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 6.8GB. Max. memory is 8.0GB. [2022-02-10 22:58:43,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 310.88ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 157.8MB in the end (delta: -24.4MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.19ms. Allocated memory is still 182.5MB. Free memory was 157.8MB in the beginning and 154.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.04ms. Allocated memory is still 182.5MB. Free memory was 154.6MB in the beginning and 152.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 823.47ms. Allocated memory is still 182.5MB. Free memory was 152.5MB in the beginning and 108.5MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * TraceAbstraction took 547189.11ms. Allocated memory was 182.5MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 108.0MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 6.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-10 22:58:43,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...