/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:14:14,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:14:14,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:14:14,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:14:14,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:14:14,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:14:14,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:14:14,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:14:14,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:14:14,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:14:14,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:14:14,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:14:14,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:14:14,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:14:14,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:14:14,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:14:14,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:14:14,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:14:14,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:14:14,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:14:14,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:14:14,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:14:14,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:14:14,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:14:14,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:14:14,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:14:14,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:14:14,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:14:14,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:14:14,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:14:14,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:14:14,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:14:14,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:14:14,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:14:14,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:14:14,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:14:14,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:14:14,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:14:14,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:14:14,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:14:14,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:14:14,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 01:14:14,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:14:14,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:14:14,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:14:14,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:14:14,594 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:14:14,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:14:14,595 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:14:14,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:14:14,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:14:14,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:14:14,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:14:14,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:14:14,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:14:14,598 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:14:14,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:14:14,598 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:14:14,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:14:14,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:14:14,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:14:14,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:14:14,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:14:14,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:14:14,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:14:14,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:14:14,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:14:14,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:14:14,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:14:14,601 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:14:14,601 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:14:14,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:14:14,601 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:14:14,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:14:14,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:14:14,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:14:14,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:14:14,949 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:14:14,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-10-22 01:14:15,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/319e8f31b/6827b138b6064ebfb6f24547bd0fcdeb/FLAG9985f44fd [2020-10-22 01:14:15,583 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:14:15,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-10-22 01:14:15,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/319e8f31b/6827b138b6064ebfb6f24547bd0fcdeb/FLAG9985f44fd [2020-10-22 01:14:15,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/319e8f31b/6827b138b6064ebfb6f24547bd0fcdeb [2020-10-22 01:14:15,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:14:15,813 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:14:15,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:14:15,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:14:15,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:14:15,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:14:15" (1/1) ... [2020-10-22 01:14:15,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22cf7191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:15, skipping insertion in model container [2020-10-22 01:14:15,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:14:15" (1/1) ... [2020-10-22 01:14:15,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:14:15,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:14:16,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:14:16,552 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:14:16,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:14:16,775 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:14:16,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16 WrapperNode [2020-10-22 01:14:16,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:14:16,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:14:16,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:14:16,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:14:16,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:14:16,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:14:16,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:14:16,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:14:16,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:14:16,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:14:16,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:14:16,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:14:16,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:14:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-22 01:14:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-22 01:14:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-22 01:14:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-22 01:14:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:14:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:14:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:14:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:14:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:14:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:14:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:14:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:14:17,017 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:14:17,998 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:14:17,999 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-22 01:14:18,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:14:18 BoogieIcfgContainer [2020-10-22 01:14:18,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:14:18,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:14:18,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:14:18,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:14:18,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:14:15" (1/3) ... [2020-10-22 01:14:18,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d96c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:14:18, skipping insertion in model container [2020-10-22 01:14:18,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (2/3) ... [2020-10-22 01:14:18,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d96c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:14:18, skipping insertion in model container [2020-10-22 01:14:18,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:14:18" (3/3) ... [2020-10-22 01:14:18,010 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2020-10-22 01:14:18,022 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:14:18,022 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:14:18,031 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:14:18,032 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:14:18,069 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,069 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,069 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,069 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,070 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,070 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,070 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,071 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,071 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,071 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,071 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,071 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,072 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,072 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,072 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,072 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,073 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,073 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,073 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,073 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,073 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,074 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,075 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,075 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,075 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,075 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,075 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,076 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,076 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,076 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,076 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,076 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,077 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,077 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,077 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,077 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,077 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,078 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,078 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,078 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,078 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,078 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,079 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,079 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,080 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,080 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,081 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,081 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,081 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,081 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,081 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,081 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,082 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,082 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,083 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,084 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,084 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,084 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,084 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,085 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,085 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,085 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,085 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,085 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,086 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,086 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,087 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,088 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,088 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,088 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,088 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,088 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,089 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,089 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,089 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,089 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,090 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,090 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,090 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,090 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,091 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,091 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,091 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,091 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,091 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,091 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,092 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,092 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,092 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,092 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,092 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,093 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,093 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,093 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,093 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,093 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,094 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,094 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,094 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,094 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,094 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,094 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,095 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,095 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,095 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,095 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,095 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,096 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,096 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,096 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,096 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,096 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,096 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,097 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,097 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,097 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,097 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,097 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,098 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,098 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,098 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,098 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,098 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,099 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,099 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,099 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,099 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,099 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,099 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,100 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,101 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,101 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,101 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,101 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,102 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,102 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,103 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,103 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,103 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,104 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,104 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,105 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,105 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,106 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,106 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,106 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,106 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,106 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,106 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,107 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,107 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,107 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,108 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,108 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,108 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,108 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,108 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,108 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,109 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,112 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,112 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,115 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,116 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,116 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,116 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,116 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,116 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,117 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,117 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,117 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,117 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,117 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,117 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,118 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,118 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,118 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,118 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,118 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,119 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,119 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,119 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,119 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,119 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,120 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,120 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,120 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,120 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,120 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,121 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,121 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,121 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,121 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,121 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,121 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,129 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,129 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,129 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,130 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,130 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,130 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,130 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,130 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,131 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,131 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,131 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,131 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,131 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,132 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,132 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,132 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,132 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,132 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:18,142 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 01:14:18,155 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 01:14:18,176 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:14:18,177 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:14:18,177 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:14:18,177 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:14:18,177 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:14:18,177 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:14:18,177 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:14:18,177 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:14:18,195 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:14:18,195 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 218 transitions, 458 flow [2020-10-22 01:14:18,197 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 218 transitions, 458 flow [2020-10-22 01:14:18,199 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 208 places, 218 transitions, 458 flow [2020-10-22 01:14:18,303 INFO L129 PetriNetUnfolder]: 16/218 cut-off events. [2020-10-22 01:14:18,305 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-22 01:14:18,317 INFO L80 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 218 events. 16/218 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 382 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 144. Up to 3 conditions per place. [2020-10-22 01:14:18,332 INFO L116 LiptonReduction]: Number of co-enabled transitions 10000 [2020-10-22 01:14:21,256 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-22 01:14:21,401 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-22 01:14:21,908 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-22 01:14:22,509 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2020-10-22 01:14:22,729 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-22 01:14:24,989 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 172 DAG size of output: 166 [2020-10-22 01:14:25,648 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-22 01:14:26,996 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2020-10-22 01:14:27,677 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-22 01:14:30,452 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 183 DAG size of output: 178 [2020-10-22 01:14:31,740 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 174 [2020-10-22 01:14:31,767 INFO L131 LiptonReduction]: Checked pairs total: 25000 [2020-10-22 01:14:31,767 INFO L133 LiptonReduction]: Total number of compositions: 203 [2020-10-22 01:14:31,790 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-10-22 01:14:31,845 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-10-22 01:14:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-10-22 01:14:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-22 01:14:31,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:31,858 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-22 01:14:31,859 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:31,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:31,866 INFO L82 PathProgramCache]: Analyzing trace with hash 870, now seen corresponding path program 1 times [2020-10-22 01:14:31,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:31,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309191893] [2020-10-22 01:14:31,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:32,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309191893] [2020-10-22 01:14:32,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:32,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-22 01:14:32,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [780576131] [2020-10-22 01:14:32,007 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:32,010 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:32,018 INFO L252 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-10-22 01:14:32,018 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:32,022 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:32,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 01:14:32,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:32,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 01:14:32,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:14:32,046 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-10-22 01:14:32,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:32,094 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-10-22 01:14:32,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 01:14:32,097 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-22 01:14:32,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:32,120 INFO L225 Difference]: With dead ends: 715 [2020-10-22 01:14:32,120 INFO L226 Difference]: Without dead ends: 524 [2020-10-22 01:14:32,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:14:32,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-10-22 01:14:32,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-10-22 01:14:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-22 01:14:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-10-22 01:14:32,242 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-10-22 01:14:32,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:32,242 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-10-22 01:14:32,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 01:14:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-10-22 01:14:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 01:14:32,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:32,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:32,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:14:32,247 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:32,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:32,248 INFO L82 PathProgramCache]: Analyzing trace with hash 135778570, now seen corresponding path program 1 times [2020-10-22 01:14:32,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:32,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021277612] [2020-10-22 01:14:32,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:32,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:32,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021277612] [2020-10-22 01:14:32,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:32,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:14:32,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [144109372] [2020-10-22 01:14:32,439 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:32,453 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:32,461 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-22 01:14:32,461 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:32,462 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:32,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:14:32,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:32,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:14:32,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:14:32,467 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-10-22 01:14:32,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:32,492 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-10-22 01:14:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:14:32,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-22 01:14:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:32,495 INFO L225 Difference]: With dead ends: 236 [2020-10-22 01:14:32,495 INFO L226 Difference]: Without dead ends: 212 [2020-10-22 01:14:32,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:14:32,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-22 01:14:32,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-10-22 01:14:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-22 01:14:32,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-10-22 01:14:32,526 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-10-22 01:14:32,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:32,527 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-10-22 01:14:32,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:14:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-10-22 01:14:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 01:14:32,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:32,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:32,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:14:32,536 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:32,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:32,536 INFO L82 PathProgramCache]: Analyzing trace with hash -487135186, now seen corresponding path program 1 times [2020-10-22 01:14:32,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:32,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004682038] [2020-10-22 01:14:32,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:32,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004682038] [2020-10-22 01:14:32,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:32,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:14:32,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [9984359] [2020-10-22 01:14:32,691 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:32,695 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:32,703 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 41 transitions. [2020-10-22 01:14:32,703 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:32,846 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [4074#(not (= (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|) 0))] [2020-10-22 01:14:32,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:14:32,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:32,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:14:32,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:14:32,847 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 4 states. [2020-10-22 01:14:32,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:32,874 INFO L93 Difference]: Finished difference Result 162 states and 327 transitions. [2020-10-22 01:14:32,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:14:32,875 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-22 01:14:32,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:32,876 INFO L225 Difference]: With dead ends: 162 [2020-10-22 01:14:32,876 INFO L226 Difference]: Without dead ends: 160 [2020-10-22 01:14:32,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:14:32,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-22 01:14:32,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-10-22 01:14:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-22 01:14:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 324 transitions. [2020-10-22 01:14:32,884 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 324 transitions. Word has length 19 [2020-10-22 01:14:32,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:32,885 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 324 transitions. [2020-10-22 01:14:32,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:14:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 324 transitions. [2020-10-22 01:14:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:14:32,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:32,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:32,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:14:32,887 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:32,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:32,888 INFO L82 PathProgramCache]: Analyzing trace with hash -2076929182, now seen corresponding path program 1 times [2020-10-22 01:14:32,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:32,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093135079] [2020-10-22 01:14:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:32,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093135079] [2020-10-22 01:14:32,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:32,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:14:32,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [785053881] [2020-10-22 01:14:32,945 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:32,949 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:32,957 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 40 transitions. [2020-10-22 01:14:32,957 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:32,995 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:32,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:14:32,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:32,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:14:32,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:14:32,996 INFO L87 Difference]: Start difference. First operand 160 states and 324 transitions. Second operand 3 states. [2020-10-22 01:14:33,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:33,049 INFO L93 Difference]: Finished difference Result 200 states and 398 transitions. [2020-10-22 01:14:33,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:14:33,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-22 01:14:33,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:33,051 INFO L225 Difference]: With dead ends: 200 [2020-10-22 01:14:33,051 INFO L226 Difference]: Without dead ends: 200 [2020-10-22 01:14:33,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:14:33,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-22 01:14:33,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 164. [2020-10-22 01:14:33,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-22 01:14:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-10-22 01:14:33,059 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 20 [2020-10-22 01:14:33,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:33,060 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-10-22 01:14:33,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:14:33,060 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-10-22 01:14:33,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-22 01:14:33,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:33,061 INFO L422 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] [2020-10-22 01:14:33,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:14:33,062 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:33,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:33,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1915648921, now seen corresponding path program 1 times [2020-10-22 01:14:33,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:33,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22079932] [2020-10-22 01:14:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:33,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22079932] [2020-10-22 01:14:33,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870113743] [2020-10-22 01:14:33,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:33,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 01:14:33,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:33,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:33,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-22 01:14:33,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1156786095] [2020-10-22 01:14:33,273 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:33,281 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:33,300 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 55 transitions. [2020-10-22 01:14:33,301 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:33,422 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:33,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:14:33,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:33,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:14:33,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:14:33,424 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 4 states. [2020-10-22 01:14:33,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:33,452 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-10-22 01:14:33,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:14:33,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-22 01:14:33,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:33,455 INFO L225 Difference]: With dead ends: 240 [2020-10-22 01:14:33,455 INFO L226 Difference]: Without dead ends: 240 [2020-10-22 01:14:33,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:14:33,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-22 01:14:33,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-10-22 01:14:33,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-22 01:14:33,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-10-22 01:14:33,463 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-10-22 01:14:33,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:33,463 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-10-22 01:14:33,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:14:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-10-22 01:14:33,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-22 01:14:33,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:33,465 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:33,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:33,679 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:33,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:33,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1084664894, now seen corresponding path program 2 times [2020-10-22 01:14:33,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:33,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925308403] [2020-10-22 01:14:33,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:33,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:33,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925308403] [2020-10-22 01:14:33,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804185824] [2020-10-22 01:14:33,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:33,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:14:33,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:33,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 01:14:33,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:33,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:33,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:33,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-22 01:14:33,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2135354933] [2020-10-22 01:14:33,957 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:33,966 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:33,991 INFO L252 McrAutomatonBuilder]: Finished intersection with 56 states and 76 transitions. [2020-10-22 01:14:33,991 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:34,237 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:34,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:14:34,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:34,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:14:34,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:14:34,239 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 5 states. [2020-10-22 01:14:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:34,278 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-10-22 01:14:34,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:14:34,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-22 01:14:34,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:34,282 INFO L225 Difference]: With dead ends: 280 [2020-10-22 01:14:34,282 INFO L226 Difference]: Without dead ends: 280 [2020-10-22 01:14:34,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:14:34,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-22 01:14:34,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-10-22 01:14:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-22 01:14:34,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-10-22 01:14:34,291 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-10-22 01:14:34,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:34,291 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-10-22 01:14:34,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:14:34,292 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-10-22 01:14:34,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-22 01:14:34,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:34,293 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:34,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:34,508 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:34,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:34,509 INFO L82 PathProgramCache]: Analyzing trace with hash 407214087, now seen corresponding path program 3 times [2020-10-22 01:14:34,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:34,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118271114] [2020-10-22 01:14:34,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:34,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118271114] [2020-10-22 01:14:34,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795270942] [2020-10-22 01:14:34,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:35,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-22 01:14:35,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:35,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-22 01:14:35,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:35,245 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:35,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:35,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-10-22 01:14:35,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [760329217] [2020-10-22 01:14:35,246 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:35,259 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:35,300 INFO L252 McrAutomatonBuilder]: Finished intersection with 70 states and 97 transitions. [2020-10-22 01:14:35,301 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:35,687 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:35,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:14:35,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:35,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:14:35,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:14:35,689 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 6 states. [2020-10-22 01:14:35,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:35,748 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-10-22 01:14:35,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 01:14:35,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-22 01:14:35,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:35,751 INFO L225 Difference]: With dead ends: 320 [2020-10-22 01:14:35,752 INFO L226 Difference]: Without dead ends: 320 [2020-10-22 01:14:35,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:14:35,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-10-22 01:14:35,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-10-22 01:14:35,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-22 01:14:35,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-10-22 01:14:35,762 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-10-22 01:14:35,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:35,762 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-10-22 01:14:35,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:14:35,762 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-10-22 01:14:35,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-22 01:14:35,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:35,764 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:35,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:35,979 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:35,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:35,980 INFO L82 PathProgramCache]: Analyzing trace with hash -311038942, now seen corresponding path program 4 times [2020-10-22 01:14:35,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:35,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460532200] [2020-10-22 01:14:35,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:36,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460532200] [2020-10-22 01:14:36,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574739919] [2020-10-22 01:14:36,119 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:36,338 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 01:14:36,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:36,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-22 01:14:36,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:36,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:36,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-10-22 01:14:36,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1323224870] [2020-10-22 01:14:36,383 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:36,401 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:36,649 INFO L252 McrAutomatonBuilder]: Finished intersection with 84 states and 118 transitions. [2020-10-22 01:14:36,650 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:37,221 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:37,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 01:14:37,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:37,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 01:14:37,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:14:37,223 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 7 states. [2020-10-22 01:14:37,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:37,288 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-10-22 01:14:37,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 01:14:37,289 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-10-22 01:14:37,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:37,293 INFO L225 Difference]: With dead ends: 360 [2020-10-22 01:14:37,293 INFO L226 Difference]: Without dead ends: 360 [2020-10-22 01:14:37,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:14:37,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-22 01:14:37,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-10-22 01:14:37,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-22 01:14:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-10-22 01:14:37,307 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-10-22 01:14:37,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:37,308 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-10-22 01:14:37,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 01:14:37,308 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-10-22 01:14:37,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-22 01:14:37,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:37,311 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:37,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:37,524 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:37,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:37,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1178676313, now seen corresponding path program 5 times [2020-10-22 01:14:37,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:37,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041368291] [2020-10-22 01:14:37,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:37,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041368291] [2020-10-22 01:14:37,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415775308] [2020-10-22 01:14:37,632 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:37,795 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-22 01:14:37,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:37,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 37 conjunts are in the unsatisfiable core [2020-10-22 01:14:37,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:37,855 INFO L384 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 13 treesize of output 9 [2020-10-22 01:14:37,855 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:37,859 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:37,859 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:37,859 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-22 01:14:37,909 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:37,910 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 62 [2020-10-22 01:14:37,911 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:37,944 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-22 01:14:37,947 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:37,953 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:14:37,954 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-22 01:14:38,028 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:38,060 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:38,060 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 54 [2020-10-22 01:14:38,062 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:38,063 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,070 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-22 01:14:38,090 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:38,091 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-22 01:14:38,092 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,197 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-10-22 01:14:38,198 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-22 01:14:38,203 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:14:38,204 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-22 01:14:38,251 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:38,273 INFO L384 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 15 treesize of output 11 [2020-10-22 01:14:38,274 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:14:38,286 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:14:38,287 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,318 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:38,320 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:14:38,320 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-22 01:14:38,397 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-22 01:14:38,401 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,412 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:38,412 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,413 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-22 01:14:38,487 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:14:38,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:14:38,613 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2020-10-22 01:14:38,614 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,638 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:38,665 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-22 01:14:38,665 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:103, output treesize:64 [2020-10-22 01:14:44,877 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-22 01:14:47,013 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 38 [2020-10-22 01:14:47,072 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:47,072 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 34 treesize of output 57 [2020-10-22 01:14:47,073 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:47,122 INFO L625 ElimStorePlain]: treesize reduction 30, result has 72.2 percent of original size [2020-10-22 01:14:47,131 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-22 01:14:47,131 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:88, output treesize:64 [2020-10-22 01:14:49,233 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-22 01:14:49,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:14:49,279 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:14:49,280 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:49,302 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:49,311 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-22 01:14:49,312 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:79, output treesize:64 [2020-10-22 01:14:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-22 01:14:49,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:49,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2020-10-22 01:14:49,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [408625754] [2020-10-22 01:14:49,358 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:49,380 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:49,489 INFO L252 McrAutomatonBuilder]: Finished intersection with 98 states and 139 transitions. [2020-10-22 01:14:49,858 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:50,389 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:50,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 01:14:50,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:50,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 01:14:50,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=242, Unknown=2, NotChecked=0, Total=306 [2020-10-22 01:14:50,391 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 8 states. [2020-10-22 01:14:50,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:50,464 INFO L93 Difference]: Finished difference Result 400 states and 768 transitions. [2020-10-22 01:14:50,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 01:14:50,465 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2020-10-22 01:14:50,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:50,467 INFO L225 Difference]: With dead ends: 400 [2020-10-22 01:14:50,467 INFO L226 Difference]: Without dead ends: 400 [2020-10-22 01:14:50,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=62, Invalid=242, Unknown=2, NotChecked=0, Total=306 [2020-10-22 01:14:50,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-10-22 01:14:50,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 364. [2020-10-22 01:14:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-10-22 01:14:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 701 transitions. [2020-10-22 01:14:50,478 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 701 transitions. Word has length 55 [2020-10-22 01:14:50,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:50,478 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 701 transitions. [2020-10-22 01:14:50,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 01:14:50,478 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 701 transitions. [2020-10-22 01:14:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-22 01:14:50,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:50,480 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:50,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:50,695 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:50,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:50,695 INFO L82 PathProgramCache]: Analyzing trace with hash 871390338, now seen corresponding path program 6 times [2020-10-22 01:14:50,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:50,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883639722] [2020-10-22 01:14:50,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:50,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883639722] [2020-10-22 01:14:50,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384163941] [2020-10-22 01:14:50,830 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:51,218 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2020-10-22 01:14:51,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:51,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 36 conjunts are in the unsatisfiable core [2020-10-22 01:14:51,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:51,244 INFO L384 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 958 treesize of output 926 [2020-10-22 01:14:51,249 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-22 01:14:51,422 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 32 [2020-10-22 01:14:51,424 INFO L625 ElimStorePlain]: treesize reduction 844, result has 4.1 percent of original size [2020-10-22 01:14:51,431 INFO L384 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 11 treesize of output 7 [2020-10-22 01:14:51,432 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,453 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:51,458 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,458 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:38, output treesize:16 [2020-10-22 01:14:51,485 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-10-22 01:14:51,486 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,490 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:51,492 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,492 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2020-10-22 01:14:51,527 INFO L384 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 13 treesize of output 9 [2020-10-22 01:14:51,528 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,533 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:51,533 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,534 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-22 01:14:51,564 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:14:51,565 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,572 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:51,574 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,574 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-22 01:14:51,644 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:51,645 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 34 treesize of output 99 [2020-10-22 01:14:51,646 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,672 INFO L625 ElimStorePlain]: treesize reduction 69, result has 28.1 percent of original size [2020-10-22 01:14:51,675 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,675 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:13 [2020-10-22 01:14:51,709 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-22 01:14:51,710 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 24 [2020-10-22 01:14:51,710 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,719 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:51,721 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,721 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-10-22 01:14:51,725 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 7 [2020-10-22 01:14:51,726 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,728 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:51,728 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:51,728 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:1 [2020-10-22 01:14:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-22 01:14:51,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:51,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2020-10-22 01:14:51,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1160333363] [2020-10-22 01:14:51,740 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:51,765 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:51,940 INFO L252 McrAutomatonBuilder]: Finished intersection with 112 states and 160 transitions. [2020-10-22 01:14:51,940 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:52,745 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:52,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 01:14:52,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:52,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 01:14:52,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-22 01:14:52,747 INFO L87 Difference]: Start difference. First operand 364 states and 701 transitions. Second operand 9 states. [2020-10-22 01:14:52,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:52,822 INFO L93 Difference]: Finished difference Result 440 states and 842 transitions. [2020-10-22 01:14:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 01:14:52,823 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-22 01:14:52,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:52,828 INFO L225 Difference]: With dead ends: 440 [2020-10-22 01:14:52,828 INFO L226 Difference]: Without dead ends: 440 [2020-10-22 01:14:52,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-22 01:14:52,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-10-22 01:14:52,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 404. [2020-10-22 01:14:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-10-22 01:14:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 775 transitions. [2020-10-22 01:14:52,840 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 775 transitions. Word has length 62 [2020-10-22 01:14:52,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:52,840 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 775 transitions. [2020-10-22 01:14:52,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 01:14:52,841 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 775 transitions. [2020-10-22 01:14:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-22 01:14:52,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:52,843 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:53,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:53,058 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:53,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:53,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1911081145, now seen corresponding path program 7 times [2020-10-22 01:14:53,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:53,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306959968] [2020-10-22 01:14:53,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:53,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306959968] [2020-10-22 01:14:53,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979712337] [2020-10-22 01:14:53,224 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:53,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-22 01:14:53,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:53,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:53,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-10-22 01:14:53,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1649179148] [2020-10-22 01:14:53,397 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:53,455 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:53,667 INFO L252 McrAutomatonBuilder]: Finished intersection with 126 states and 181 transitions. [2020-10-22 01:14:53,667 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:53,777 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 3 [2020-10-22 01:14:54,405 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:54,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-22 01:14:54,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:54,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-22 01:14:54,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:14:54,407 INFO L87 Difference]: Start difference. First operand 404 states and 775 transitions. Second operand 10 states. [2020-10-22 01:14:54,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:54,493 INFO L93 Difference]: Finished difference Result 480 states and 916 transitions. [2020-10-22 01:14:54,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-22 01:14:54,493 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-10-22 01:14:54,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:54,496 INFO L225 Difference]: With dead ends: 480 [2020-10-22 01:14:54,496 INFO L226 Difference]: Without dead ends: 480 [2020-10-22 01:14:54,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:14:54,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-10-22 01:14:54,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 444. [2020-10-22 01:14:54,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-22 01:14:54,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 849 transitions. [2020-10-22 01:14:54,507 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 849 transitions. Word has length 69 [2020-10-22 01:14:54,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:54,507 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 849 transitions. [2020-10-22 01:14:54,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-22 01:14:54,507 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 849 transitions. [2020-10-22 01:14:54,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-22 01:14:54,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:54,509 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:54,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:54,723 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:54,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:54,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1303291106, now seen corresponding path program 8 times [2020-10-22 01:14:54,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:54,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123005740] [2020-10-22 01:14:54,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:54,866 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:54,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123005740] [2020-10-22 01:14:54,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086789046] [2020-10-22 01:14:54,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:55,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:14:55,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:55,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-22 01:14:55,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:55,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:55,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2020-10-22 01:14:55,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1948906103] [2020-10-22 01:14:55,093 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:55,132 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:55,486 INFO L252 McrAutomatonBuilder]: Finished intersection with 140 states and 202 transitions. [2020-10-22 01:14:55,487 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:56,319 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:56,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-22 01:14:56,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:56,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-22 01:14:56,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-22 01:14:56,320 INFO L87 Difference]: Start difference. First operand 444 states and 849 transitions. Second operand 11 states. [2020-10-22 01:14:56,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:56,415 INFO L93 Difference]: Finished difference Result 520 states and 990 transitions. [2020-10-22 01:14:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-22 01:14:56,416 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2020-10-22 01:14:56,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:56,419 INFO L225 Difference]: With dead ends: 520 [2020-10-22 01:14:56,419 INFO L226 Difference]: Without dead ends: 520 [2020-10-22 01:14:56,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-22 01:14:56,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-22 01:14:56,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 484. [2020-10-22 01:14:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-22 01:14:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 923 transitions. [2020-10-22 01:14:56,431 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 923 transitions. Word has length 76 [2020-10-22 01:14:56,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:56,431 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 923 transitions. [2020-10-22 01:14:56,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-22 01:14:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 923 transitions. [2020-10-22 01:14:56,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-22 01:14:56,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:56,433 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:56,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-22 01:14:56,646 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:56,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:56,647 INFO L82 PathProgramCache]: Analyzing trace with hash -341261593, now seen corresponding path program 9 times [2020-10-22 01:14:56,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:56,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765064551] [2020-10-22 01:14:56,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:56,945 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:56,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765064551] [2020-10-22 01:14:56,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988508918] [2020-10-22 01:14:56,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:57,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-22 01:14:57,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:57,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 30 conjunts are in the unsatisfiable core [2020-10-22 01:14:57,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:57,511 INFO L384 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 13 treesize of output 9 [2020-10-22 01:14:57,511 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:57,521 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:57,522 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:57,522 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2020-10-22 01:14:57,569 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:57,570 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 62 [2020-10-22 01:14:57,571 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:57,615 INFO L625 ElimStorePlain]: treesize reduction 24, result has 65.7 percent of original size [2020-10-22 01:14:57,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:57,629 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:57,633 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:57,633 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:23 [2020-10-22 01:14:57,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:57,730 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-22 01:14:57,761 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:57,762 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 34 treesize of output 99 [2020-10-22 01:14:57,763 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:57,796 INFO L625 ElimStorePlain]: treesize reduction 69, result has 30.3 percent of original size [2020-10-22 01:14:57,798 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:57,798 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-10-22 01:14:57,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:14:57,827 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:14:57,827 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:57,837 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:57,844 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:57,845 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-22 01:14:57,856 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 7 [2020-10-22 01:14:57,857 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:57,858 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:57,858 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:57,859 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:1 [2020-10-22 01:14:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 67 proven. 40 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-10-22 01:14:57,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:57,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 18 [2020-10-22 01:14:57,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1987737977] [2020-10-22 01:14:57,873 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:57,917 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:58,861 INFO L252 McrAutomatonBuilder]: Finished intersection with 154 states and 223 transitions. [2020-10-22 01:14:58,861 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:59,884 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:59,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-22 01:14:59,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:59,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-22 01:14:59,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-22 01:14:59,886 INFO L87 Difference]: Start difference. First operand 484 states and 923 transitions. Second operand 12 states. [2020-10-22 01:14:59,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:59,993 INFO L93 Difference]: Finished difference Result 560 states and 1064 transitions. [2020-10-22 01:14:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-22 01:14:59,994 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2020-10-22 01:14:59,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:59,997 INFO L225 Difference]: With dead ends: 560 [2020-10-22 01:14:59,997 INFO L226 Difference]: Without dead ends: 560 [2020-10-22 01:14:59,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-22 01:14:59,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-22 01:15:00,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 524. [2020-10-22 01:15:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-22 01:15:00,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 997 transitions. [2020-10-22 01:15:00,009 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 997 transitions. Word has length 83 [2020-10-22 01:15:00,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:00,009 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 997 transitions. [2020-10-22 01:15:00,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-22 01:15:00,010 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 997 transitions. [2020-10-22 01:15:00,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-22 01:15:00,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:00,011 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:00,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:00,219 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:00,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:00,219 INFO L82 PathProgramCache]: Analyzing trace with hash -350829246, now seen corresponding path program 10 times [2020-10-22 01:15:00,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:00,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115680693] [2020-10-22 01:15:00,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:00,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115680693] [2020-10-22 01:15:00,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681051657] [2020-10-22 01:15:00,430 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:13,641 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 01:15:13,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:15:13,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-22 01:15:13,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:13,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:13,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2020-10-22 01:15:13,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [689840718] [2020-10-22 01:15:13,915 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:13,957 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:14,740 INFO L252 McrAutomatonBuilder]: Finished intersection with 168 states and 244 transitions. [2020-10-22 01:15:14,741 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:16,011 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:16,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-22 01:15:16,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:16,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-22 01:15:16,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:15:16,013 INFO L87 Difference]: Start difference. First operand 524 states and 997 transitions. Second operand 13 states. [2020-10-22 01:15:16,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:16,125 INFO L93 Difference]: Finished difference Result 600 states and 1138 transitions. [2020-10-22 01:15:16,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 01:15:16,126 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 90 [2020-10-22 01:15:16,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:16,129 INFO L225 Difference]: With dead ends: 600 [2020-10-22 01:15:16,129 INFO L226 Difference]: Without dead ends: 600 [2020-10-22 01:15:16,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:15:16,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-10-22 01:15:16,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 564. [2020-10-22 01:15:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-10-22 01:15:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 1071 transitions. [2020-10-22 01:15:16,142 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 1071 transitions. Word has length 90 [2020-10-22 01:15:16,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:16,143 INFO L481 AbstractCegarLoop]: Abstraction has 564 states and 1071 transitions. [2020-10-22 01:15:16,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-22 01:15:16,143 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1071 transitions. [2020-10-22 01:15:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-22 01:15:16,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:16,145 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:16,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:16,346 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:16,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:16,347 INFO L82 PathProgramCache]: Analyzing trace with hash 55408263, now seen corresponding path program 11 times [2020-10-22 01:15:16,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:16,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040092221] [2020-10-22 01:15:16,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:16,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040092221] [2020-10-22 01:15:16,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582346127] [2020-10-22 01:15:16,588 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:16,844 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-22 01:15:16,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:15:16,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 41 conjunts are in the unsatisfiable core [2020-10-22 01:15:16,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:16,900 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-22 01:15:16,901 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:16,902 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:16,903 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:16,903 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-10-22 01:15:16,945 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:16,945 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 62 [2020-10-22 01:15:16,946 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:16,980 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-22 01:15:16,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:15:16,984 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:15:16,984 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-22 01:15:17,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:15:17,109 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:17,110 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 54 [2020-10-22 01:15:17,111 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:15:17,112 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,118 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-22 01:15:17,141 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:17,142 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-22 01:15:17,143 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,245 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-10-22 01:15:17,247 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-22 01:15:17,249 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:15:17,249 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-22 01:15:17,301 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:15:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:15:17,326 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:15:17,327 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,339 INFO L384 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 15 treesize of output 11 [2020-10-22 01:15:17,339 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,375 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:17,377 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:15:17,377 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-22 01:15:17,464 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-22 01:15:17,470 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,481 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:17,482 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,482 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-22 01:15:17,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:15:17,533 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2020-10-22 01:15:17,534 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,553 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:17,554 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,554 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-10-22 01:15:17,748 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-10-22 01:15:17,748 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:17,749 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 34 treesize of output 57 [2020-10-22 01:15:17,749 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,769 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-10-22 01:15:17,770 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,770 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-22 01:15:17,803 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-22 01:15:17,804 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 24 [2020-10-22 01:15:17,805 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,810 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:17,811 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:17,811 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-22 01:15:17,829 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 219 proven. 8 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-10-22 01:15:17,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:17,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2020-10-22 01:15:17,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1557018709] [2020-10-22 01:15:17,830 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:17,861 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:19,051 INFO L252 McrAutomatonBuilder]: Finished intersection with 182 states and 265 transitions. [2020-10-22 01:15:19,051 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:20,088 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:20,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-22 01:15:20,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:20,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-22 01:15:20,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2020-10-22 01:15:20,090 INFO L87 Difference]: Start difference. First operand 564 states and 1071 transitions. Second operand 14 states. [2020-10-22 01:15:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:20,206 INFO L93 Difference]: Finished difference Result 640 states and 1212 transitions. [2020-10-22 01:15:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-22 01:15:20,207 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 97 [2020-10-22 01:15:20,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:20,210 INFO L225 Difference]: With dead ends: 640 [2020-10-22 01:15:20,211 INFO L226 Difference]: Without dead ends: 640 [2020-10-22 01:15:20,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2020-10-22 01:15:20,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-10-22 01:15:20,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 604. [2020-10-22 01:15:20,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-22 01:15:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1145 transitions. [2020-10-22 01:15:20,224 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1145 transitions. Word has length 97 [2020-10-22 01:15:20,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:20,224 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 1145 transitions. [2020-10-22 01:15:20,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-22 01:15:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1145 transitions. [2020-10-22 01:15:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-22 01:15:20,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:20,226 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:20,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-22 01:15:20,440 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:20,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:20,440 INFO L82 PathProgramCache]: Analyzing trace with hash 302955938, now seen corresponding path program 12 times [2020-10-22 01:15:20,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:20,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415499165] [2020-10-22 01:15:20,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:20,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415499165] [2020-10-22 01:15:20,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801594422] [2020-10-22 01:15:20,671 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:24,484 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-10-22 01:15:24,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:15:24,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 52 conjunts are in the unsatisfiable core [2020-10-22 01:15:24,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:24,525 INFO L384 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 1004 treesize of output 1000 [2020-10-22 01:15:24,527 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-22 01:15:24,668 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2020-10-22 01:15:24,669 INFO L625 ElimStorePlain]: treesize reduction 960, result has 3.6 percent of original size [2020-10-22 01:15:24,675 INFO L384 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 11 treesize of output 7 [2020-10-22 01:15:24,676 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,691 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:24,694 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,694 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:38, output treesize:16 [2020-10-22 01:15:24,718 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-10-22 01:15:24,723 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,727 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:24,728 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,728 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2020-10-22 01:15:24,765 INFO L384 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 13 treesize of output 9 [2020-10-22 01:15:24,765 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,770 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:24,770 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,770 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-22 01:15:24,803 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:15:24,804 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,818 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:24,819 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,820 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-22 01:15:24,873 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-22 01:15:24,888 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:24,889 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-22 01:15:24,890 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,916 INFO L625 ElimStorePlain]: treesize reduction 30, result has 50.0 percent of original size [2020-10-22 01:15:24,918 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,918 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-10-22 01:15:24,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:15:24,946 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:15:24,946 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,956 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:24,958 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,958 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-22 01:15:24,961 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 7 [2020-10-22 01:15:24,962 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,963 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:24,963 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:24,964 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-22 01:15:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 230 proven. 15 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2020-10-22 01:15:24,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:24,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 22 [2020-10-22 01:15:24,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1528504750] [2020-10-22 01:15:24,978 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:25,012 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:25,835 INFO L252 McrAutomatonBuilder]: Finished intersection with 196 states and 286 transitions. [2020-10-22 01:15:25,835 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:26,861 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 3 [2020-10-22 01:15:27,817 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:27,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-22 01:15:27,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:27,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-22 01:15:27,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2020-10-22 01:15:27,818 INFO L87 Difference]: Start difference. First operand 604 states and 1145 transitions. Second operand 15 states. [2020-10-22 01:15:27,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:27,963 INFO L93 Difference]: Finished difference Result 680 states and 1286 transitions. [2020-10-22 01:15:27,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-22 01:15:27,965 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 104 [2020-10-22 01:15:27,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:27,968 INFO L225 Difference]: With dead ends: 680 [2020-10-22 01:15:27,968 INFO L226 Difference]: Without dead ends: 680 [2020-10-22 01:15:27,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2020-10-22 01:15:27,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-10-22 01:15:27,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 644. [2020-10-22 01:15:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-10-22 01:15:27,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1219 transitions. [2020-10-22 01:15:27,983 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1219 transitions. Word has length 104 [2020-10-22 01:15:27,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:27,983 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 1219 transitions. [2020-10-22 01:15:27,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-22 01:15:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1219 transitions. [2020-10-22 01:15:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-22 01:15:27,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:27,986 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:28,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-10-22 01:15:28,200 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:28,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:28,202 INFO L82 PathProgramCache]: Analyzing trace with hash -2141236697, now seen corresponding path program 13 times [2020-10-22 01:15:28,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:28,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732032587] [2020-10-22 01:15:28,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:28,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732032587] [2020-10-22 01:15:28,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574557320] [2020-10-22 01:15:28,480 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:28,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-22 01:15:28,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:28,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:28,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2020-10-22 01:15:28,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1345252037] [2020-10-22 01:15:28,770 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:28,886 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:30,970 INFO L252 McrAutomatonBuilder]: Finished intersection with 210 states and 307 transitions. [2020-10-22 01:15:30,970 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:32,085 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:32,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-22 01:15:32,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:32,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-22 01:15:32,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-10-22 01:15:32,086 INFO L87 Difference]: Start difference. First operand 644 states and 1219 transitions. Second operand 16 states. [2020-10-22 01:15:32,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:32,233 INFO L93 Difference]: Finished difference Result 720 states and 1360 transitions. [2020-10-22 01:15:32,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-22 01:15:32,235 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 111 [2020-10-22 01:15:32,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:32,239 INFO L225 Difference]: With dead ends: 720 [2020-10-22 01:15:32,239 INFO L226 Difference]: Without dead ends: 720 [2020-10-22 01:15:32,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-10-22 01:15:32,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-10-22 01:15:32,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 684. [2020-10-22 01:15:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-10-22 01:15:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1293 transitions. [2020-10-22 01:15:32,252 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1293 transitions. Word has length 111 [2020-10-22 01:15:32,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:32,253 INFO L481 AbstractCegarLoop]: Abstraction has 684 states and 1293 transitions. [2020-10-22 01:15:32,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-22 01:15:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1293 transitions. [2020-10-22 01:15:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-22 01:15:32,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:32,258 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:32,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-22 01:15:32,473 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:32,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:32,474 INFO L82 PathProgramCache]: Analyzing trace with hash 2113703426, now seen corresponding path program 14 times [2020-10-22 01:15:32,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:32,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913096183] [2020-10-22 01:15:32,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:32,726 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:32,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913096183] [2020-10-22 01:15:32,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519111875] [2020-10-22 01:15:32,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:32,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:15:32,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:15:32,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-22 01:15:32,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:32,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:32,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2020-10-22 01:15:32,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [963716138] [2020-10-22 01:15:32,991 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:33,053 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:35,109 INFO L252 McrAutomatonBuilder]: Finished intersection with 224 states and 328 transitions. [2020-10-22 01:15:35,109 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:36,392 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:36,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-22 01:15:36,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:36,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-22 01:15:36,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-10-22 01:15:36,394 INFO L87 Difference]: Start difference. First operand 684 states and 1293 transitions. Second operand 17 states. [2020-10-22 01:15:36,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:36,544 INFO L93 Difference]: Finished difference Result 760 states and 1434 transitions. [2020-10-22 01:15:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-22 01:15:36,545 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 118 [2020-10-22 01:15:36,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:36,549 INFO L225 Difference]: With dead ends: 760 [2020-10-22 01:15:36,549 INFO L226 Difference]: Without dead ends: 760 [2020-10-22 01:15:36,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-10-22 01:15:36,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-22 01:15:36,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 724. [2020-10-22 01:15:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2020-10-22 01:15:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1367 transitions. [2020-10-22 01:15:36,563 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1367 transitions. Word has length 118 [2020-10-22 01:15:36,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:36,564 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1367 transitions. [2020-10-22 01:15:36,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-22 01:15:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1367 transitions. [2020-10-22 01:15:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-22 01:15:36,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:36,566 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:36,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:36,782 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:36,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:36,782 INFO L82 PathProgramCache]: Analyzing trace with hash 683169223, now seen corresponding path program 15 times [2020-10-22 01:15:36,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:36,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938004931] [2020-10-22 01:15:36,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:37,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938004931] [2020-10-22 01:15:37,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575377673] [2020-10-22 01:15:37,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:38,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-22 01:15:38,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:15:38,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 34 conjunts are in the unsatisfiable core [2020-10-22 01:15:38,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:38,429 INFO L384 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 491 treesize of output 475 [2020-10-22 01:15:38,431 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-22 01:15:38,546 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2020-10-22 01:15:38,547 INFO L625 ElimStorePlain]: treesize reduction 426, result has 5.5 percent of original size [2020-10-22 01:15:38,550 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,550 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-10-22 01:15:38,598 INFO L384 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 13 treesize of output 9 [2020-10-22 01:15:38,598 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,604 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:38,604 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,605 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-22 01:15:38,634 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:15:38,634 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,643 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:38,644 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,644 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-22 01:15:38,707 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-22 01:15:38,725 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:38,725 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-22 01:15:38,726 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,765 INFO L625 ElimStorePlain]: treesize reduction 30, result has 50.0 percent of original size [2020-10-22 01:15:38,766 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,766 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-10-22 01:15:38,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:15:38,806 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:15:38,807 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,822 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:38,824 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,824 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-22 01:15:38,829 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 7 [2020-10-22 01:15:38,832 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,834 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:38,834 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:38,835 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-22 01:15:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 121 proven. 70 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2020-10-22 01:15:38,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:38,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 7] total 24 [2020-10-22 01:15:38,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1810119311] [2020-10-22 01:15:38,858 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:38,932 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:41,350 INFO L252 McrAutomatonBuilder]: Finished intersection with 238 states and 349 transitions. [2020-10-22 01:15:41,350 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:42,761 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:42,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-22 01:15:42,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:42,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-22 01:15:42,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2020-10-22 01:15:42,762 INFO L87 Difference]: Start difference. First operand 724 states and 1367 transitions. Second operand 18 states. [2020-10-22 01:15:42,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:42,912 INFO L93 Difference]: Finished difference Result 800 states and 1508 transitions. [2020-10-22 01:15:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-22 01:15:42,914 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 125 [2020-10-22 01:15:42,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:42,917 INFO L225 Difference]: With dead ends: 800 [2020-10-22 01:15:42,917 INFO L226 Difference]: Without dead ends: 800 [2020-10-22 01:15:42,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2020-10-22 01:15:42,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-22 01:15:42,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 764. [2020-10-22 01:15:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-10-22 01:15:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1441 transitions. [2020-10-22 01:15:42,931 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1441 transitions. Word has length 125 [2020-10-22 01:15:42,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:42,931 INFO L481 AbstractCegarLoop]: Abstraction has 764 states and 1441 transitions. [2020-10-22 01:15:42,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-22 01:15:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1441 transitions. [2020-10-22 01:15:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-22 01:15:42,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:42,934 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:43,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:43,150 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:43,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:43,150 INFO L82 PathProgramCache]: Analyzing trace with hash -3787166, now seen corresponding path program 16 times [2020-10-22 01:15:43,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:43,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213214871] [2020-10-22 01:15:43,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:43,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213214871] [2020-10-22 01:15:43,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291859258] [2020-10-22 01:15:43,507 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown