/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 21:29:33,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 21:29:33,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 21:29:33,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 21:29:33,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 21:29:33,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 21:29:33,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 21:29:33,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 21:29:33,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 21:29:33,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 21:29:33,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 21:29:33,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 21:29:33,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 21:29:33,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 21:29:33,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 21:29:33,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 21:29:33,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 21:29:33,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 21:29:33,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 21:29:33,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 21:29:33,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 21:29:33,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 21:29:33,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 21:29:33,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 21:29:33,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 21:29:33,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 21:29:33,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 21:29:33,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 21:29:33,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 21:29:33,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 21:29:33,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 21:29:33,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 21:29:33,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 21:29:33,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 21:29:33,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 21:29:33,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 21:29:33,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 21:29:33,670 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 21:29:33,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 21:29:33,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 21:29:33,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 21:29:33,672 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 21:29:33,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 21:29:33,673 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 21:29:33,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 21:29:33,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 21:29:33,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 21:29:33,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 21:29:33,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 21:29:33,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 21:29:33,675 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 21:29:33,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 21:29:33,676 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 21:29:33,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 21:29:33,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 21:29:33,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 21:29:33,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 21:29:33,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 21:29:33,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 21:29:33,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 21:29:33,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 21:29:33,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 21:29:33,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 21:29:33,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 21:29:33,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 21:29:33,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 21:29:33,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 21:29:33,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 21:29:34,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 21:29:34,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 21:29:34,016 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 21:29:34,016 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 21:29:34,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-10-21 21:29:34,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787fe3bf0/ac696accdaae4d2380aa0f298e7e4e43/FLAG0c56ef177 [2020-10-21 21:29:34,605 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 21:29:34,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-10-21 21:29:34,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787fe3bf0/ac696accdaae4d2380aa0f298e7e4e43/FLAG0c56ef177 [2020-10-21 21:29:34,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787fe3bf0/ac696accdaae4d2380aa0f298e7e4e43 [2020-10-21 21:29:34,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 21:29:34,936 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 21:29:34,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 21:29:34,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 21:29:34,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 21:29:34,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:29:34" (1/1) ... [2020-10-21 21:29:34,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d246408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:34, skipping insertion in model container [2020-10-21 21:29:34,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:29:34" (1/1) ... [2020-10-21 21:29:34,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 21:29:35,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 21:29:35,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:29:35,659 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 21:29:35,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:29:35,884 INFO L208 MainTranslator]: Completed translation [2020-10-21 21:29:35,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35 WrapperNode [2020-10-21 21:29:35,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 21:29:35,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 21:29:35,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 21:29:35,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 21:29:35,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (1/1) ... [2020-10-21 21:29:35,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (1/1) ... [2020-10-21 21:29:35,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 21:29:35,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 21:29:35,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 21:29:35,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 21:29:35,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (1/1) ... [2020-10-21 21:29:35,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (1/1) ... [2020-10-21 21:29:35,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (1/1) ... [2020-10-21 21:29:35,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (1/1) ... [2020-10-21 21:29:35,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (1/1) ... [2020-10-21 21:29:35,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (1/1) ... [2020-10-21 21:29:35,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (1/1) ... [2020-10-21 21:29:36,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 21:29:36,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 21:29:36,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 21:29:36,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 21:29:36,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (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 [2020-10-21 21:29:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-21 21:29:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-21 21:29:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-21 21:29:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-21 21:29:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 21:29:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 21:29:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 21:29:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 21:29:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 21:29:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 21:29:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 21:29:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 21:29:36,086 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 21:29:36,671 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 21:29:36,671 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-21 21:29:36,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:29:36 BoogieIcfgContainer [2020-10-21 21:29:36,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 21:29:36,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 21:29:36,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 21:29:36,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 21:29:36,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 09:29:34" (1/3) ... [2020-10-21 21:29:36,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ff57d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:29:36, skipping insertion in model container [2020-10-21 21:29:36,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:29:35" (2/3) ... [2020-10-21 21:29:36,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ff57d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:29:36, skipping insertion in model container [2020-10-21 21:29:36,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:29:36" (3/3) ... [2020-10-21 21:29:36,688 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2020-10-21 21:29:36,729 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 21:29:36,729 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 21:29:36,744 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 21:29:36,745 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 21:29:36,825 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,825 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,826 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,826 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,826 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,826 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,827 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,827 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,827 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,828 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,828 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,828 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,828 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,829 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,829 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,829 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,829 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,830 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,830 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,830 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,830 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,831 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,831 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,831 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,831 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,831 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,832 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,832 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,832 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,832 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,832 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,833 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,833 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,833 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,833 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,833 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,833 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,834 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,834 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,834 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,834 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,834 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,835 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,835 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,835 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,835 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,836 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,836 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,836 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,836 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,836 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,837 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,838 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,838 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,838 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,838 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,838 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,839 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,839 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,839 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,839 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,839 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,840 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,840 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,840 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,840 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,840 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,841 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,841 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,841 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,841 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,842 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,842 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,842 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,842 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,843 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,843 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,843 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,844 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,844 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,844 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,846 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,846 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,846 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,846 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,847 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,847 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,847 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,847 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,848 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,848 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,848 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,848 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,849 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,849 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,849 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,849 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,849 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,850 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,850 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,850 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,850 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,850 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,850 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,851 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,851 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,851 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,851 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,852 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,852 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,852 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,852 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,852 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,853 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,853 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,853 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,853 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,853 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,854 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,854 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,854 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,854 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,854 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,855 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,855 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,855 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,855 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,855 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,856 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,856 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,856 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,856 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,856 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,857 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,857 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,857 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,857 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,857 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,858 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,859 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,860 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,860 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,860 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,860 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,861 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,861 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,862 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,862 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,862 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,862 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,862 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,863 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,863 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,863 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,863 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,863 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,864 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,864 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,864 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,864 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,865 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,865 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,867 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,867 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,867 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,868 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,868 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,868 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,868 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,869 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,869 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,872 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,872 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,872 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,872 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,873 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,873 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,873 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,873 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,873 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,874 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,874 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,874 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,874 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,874 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,875 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,875 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,875 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,875 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,875 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,876 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,876 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,876 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,876 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,876 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,877 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,877 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,883 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,884 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,884 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,884 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,884 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,884 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,885 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,885 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,885 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,885 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,885 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,886 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,886 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,886 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,886 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,886 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,887 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,887 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,887 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,887 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,887 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,888 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,888 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,888 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,888 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,888 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,889 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,889 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,889 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,889 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,889 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,890 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,890 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,896 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,896 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,896 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,897 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,898 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,898 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,898 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,898 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,898 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,898 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,899 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,899 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,899 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,900 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,900 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,900 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,900 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:29:36,906 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-21 21:29:36,920 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 21:29:36,943 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:29:36,943 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:29:36,943 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:29:36,943 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:29:36,943 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:29:36,944 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:29:36,944 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:29:36,944 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:29:36,962 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:29:36,965 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 218 transitions, 458 flow [2020-10-21 21:29:36,968 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 218 transitions, 458 flow [2020-10-21 21:29:36,970 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 208 places, 218 transitions, 458 flow [2020-10-21 21:29:37,096 INFO L129 PetriNetUnfolder]: 16/218 cut-off events. [2020-10-21 21:29:37,097 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-21 21:29:37,110 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. [2020-10-21 21:29:37,119 INFO L116 LiptonReduction]: Number of co-enabled transitions 10000 [2020-10-21 21:29:40,359 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-21 21:29:40,489 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-21 21:29:41,158 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-21 21:29:41,401 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-21 21:29:41,598 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-10-21 21:29:42,623 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 126 [2020-10-21 21:29:43,047 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-21 21:29:43,234 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2020-10-21 21:29:46,603 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 186 DAG size of output: 184 [2020-10-21 21:29:47,363 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-21 21:29:47,383 INFO L131 LiptonReduction]: Checked pairs total: 22356 [2020-10-21 21:29:47,383 INFO L133 LiptonReduction]: Total number of compositions: 203 [2020-10-21 21:29:47,414 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-10-21 21:29:47,463 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-10-21 21:29:47,465 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-10-21 21:29:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-21 21:29:47,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:47,472 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-21 21:29:47,472 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:47,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:47,478 INFO L82 PathProgramCache]: Analyzing trace with hash 869, now seen corresponding path program 1 times [2020-10-21 21:29:47,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:47,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644613048] [2020-10-21 21:29:47,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:47,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644613048] [2020-10-21 21:29:47,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:29:47,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-21 21:29:47,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217270216] [2020-10-21 21:29:47,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-21 21:29:47,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:47,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-21 21:29:47,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 21:29:47,645 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-10-21 21:29:47,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:47,703 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-10-21 21:29:47,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-21 21:29:47,704 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-21 21:29:47,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:47,731 INFO L225 Difference]: With dead ends: 715 [2020-10-21 21:29:47,731 INFO L226 Difference]: Without dead ends: 524 [2020-10-21 21:29:47,732 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 [2020-10-21 21:29:47,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-10-21 21:29:47,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-10-21 21:29:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-21 21:29:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-10-21 21:29:47,842 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-10-21 21:29:47,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:47,842 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-10-21 21:29:47,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-21 21:29:47,843 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-10-21 21:29:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 21:29:47,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:47,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:29:47,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 21:29:47,848 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:47,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1893421491, now seen corresponding path program 1 times [2020-10-21 21:29:47,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:47,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371367827] [2020-10-21 21:29:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:48,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371367827] [2020-10-21 21:29:48,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:29:48,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:29:48,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518801465] [2020-10-21 21:29:48,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:29:48,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:48,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:29:48,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:29:48,026 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-10-21 21:29:48,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:48,038 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-10-21 21:29:48,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:29:48,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-21 21:29:48,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:48,041 INFO L225 Difference]: With dead ends: 236 [2020-10-21 21:29:48,041 INFO L226 Difference]: Without dead ends: 212 [2020-10-21 21:29:48,042 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 [2020-10-21 21:29:48,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-21 21:29:48,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-10-21 21:29:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-21 21:29:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-10-21 21:29:48,055 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-10-21 21:29:48,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:48,056 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-10-21 21:29:48,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:29:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-10-21 21:29:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 21:29:48,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:48,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:29:48,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 21:29:48,059 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:48,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:48,060 INFO L82 PathProgramCache]: Analyzing trace with hash -573391631, now seen corresponding path program 1 times [2020-10-21 21:29:48,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:48,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118462222] [2020-10-21 21:29:48,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:48,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118462222] [2020-10-21 21:29:48,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:29:48,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:29:48,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065189032] [2020-10-21 21:29:48,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:29:48,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:48,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:29:48,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:29:48,189 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-10-21 21:29:48,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:48,212 INFO L93 Difference]: Finished difference Result 162 states and 327 transitions. [2020-10-21 21:29:48,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:29:48,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-21 21:29:48,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:48,214 INFO L225 Difference]: With dead ends: 162 [2020-10-21 21:29:48,214 INFO L226 Difference]: Without dead ends: 160 [2020-10-21 21:29:48,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:29:48,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-21 21:29:48,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-10-21 21:29:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-21 21:29:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 324 transitions. [2020-10-21 21:29:48,225 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 324 transitions. Word has length 19 [2020-10-21 21:29:48,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:48,225 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 324 transitions. [2020-10-21 21:29:48,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:29:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 324 transitions. [2020-10-21 21:29:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 21:29:48,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:48,227 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] [2020-10-21 21:29:48,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 21:29:48,227 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:48,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:48,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1727537981, now seen corresponding path program 1 times [2020-10-21 21:29:48,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:48,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233813518] [2020-10-21 21:29:48,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:48,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:48,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233813518] [2020-10-21 21:29:48,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:29:48,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:29:48,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529043453] [2020-10-21 21:29:48,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:29:48,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:48,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:29:48,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:29:48,282 INFO L87 Difference]: Start difference. First operand 160 states and 324 transitions. Second operand 3 states. [2020-10-21 21:29:48,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:48,304 INFO L93 Difference]: Finished difference Result 200 states and 398 transitions. [2020-10-21 21:29:48,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:29:48,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-21 21:29:48,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:48,306 INFO L225 Difference]: With dead ends: 200 [2020-10-21 21:29:48,306 INFO L226 Difference]: Without dead ends: 200 [2020-10-21 21:29:48,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:29:48,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-21 21:29:48,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 164. [2020-10-21 21:29:48,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-21 21:29:48,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-10-21 21:29:48,316 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 20 [2020-10-21 21:29:48,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:48,316 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-10-21 21:29:48,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:29:48,317 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-10-21 21:29:48,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-21 21:29:48,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:48,318 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] [2020-10-21 21:29:48,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 21:29:48,319 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:48,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:48,320 INFO L82 PathProgramCache]: Analyzing trace with hash 15531435, now seen corresponding path program 1 times [2020-10-21 21:29:48,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:48,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805140349] [2020-10-21 21:29:48,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:48,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805140349] [2020-10-21 21:29:48,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641044779] [2020-10-21 21:29:48,388 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 [2020-10-21 21:29:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:48,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-21 21:29:48,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:29:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:48,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:29:48,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-21 21:29:48,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966141120] [2020-10-21 21:29:48,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 21:29:48,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:48,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 21:29:48,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-21 21:29:48,583 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 5 states. [2020-10-21 21:29:48,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:48,637 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-10-21 21:29:48,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 21:29:48,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-21 21:29:48,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:48,641 INFO L225 Difference]: With dead ends: 240 [2020-10-21 21:29:48,641 INFO L226 Difference]: Without dead ends: 240 [2020-10-21 21:29:48,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-21 21:29:48,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-21 21:29:48,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-10-21 21:29:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-21 21:29:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-10-21 21:29:48,663 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-10-21 21:29:48,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:48,663 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-10-21 21:29:48,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 21:29:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-10-21 21:29:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-21 21:29:48,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:48,669 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] [2020-10-21 21:29:48,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:29:48,883 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:48,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:48,883 INFO L82 PathProgramCache]: Analyzing trace with hash 655656899, now seen corresponding path program 2 times [2020-10-21 21:29:48,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:48,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996931994] [2020-10-21 21:29:48,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:48,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996931994] [2020-10-21 21:29:48,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196949409] [2020-10-21 21:29:48,959 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 [2020-10-21 21:29:49,162 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-21 21:29:49,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:29:49,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-21 21:29:49,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:29:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:49,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:29:49,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-21 21:29:49,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588938064] [2020-10-21 21:29:49,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 21:29:49,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:49,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 21:29:49,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:29:49,198 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 6 states. [2020-10-21 21:29:49,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:49,235 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-10-21 21:29:49,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 21:29:49,235 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-21 21:29:49,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:49,237 INFO L225 Difference]: With dead ends: 280 [2020-10-21 21:29:49,237 INFO L226 Difference]: Without dead ends: 280 [2020-10-21 21:29:49,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:29:49,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-21 21:29:49,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-10-21 21:29:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-21 21:29:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-10-21 21:29:49,247 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-10-21 21:29:49,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:49,247 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-10-21 21:29:49,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 21:29:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-10-21 21:29:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-21 21:29:49,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:49,249 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] [2020-10-21 21:29:49,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:29:49,463 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:49,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:49,464 INFO L82 PathProgramCache]: Analyzing trace with hash 911864491, now seen corresponding path program 3 times [2020-10-21 21:29:49,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:49,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073989274] [2020-10-21 21:29:49,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:49,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073989274] [2020-10-21 21:29:49,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007028218] [2020-10-21 21:29:49,590 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 [2020-10-21 21:29:50,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-21 21:29:50,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:29:50,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-21 21:29:50,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:29:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:50,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:29:50,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-10-21 21:29:50,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977660183] [2020-10-21 21:29:50,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 21:29:50,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:50,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 21:29:50,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-21 21:29:50,421 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 7 states. [2020-10-21 21:29:50,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:50,475 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-10-21 21:29:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 21:29:50,476 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-10-21 21:29:50,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:50,478 INFO L225 Difference]: With dead ends: 320 [2020-10-21 21:29:50,478 INFO L226 Difference]: Without dead ends: 320 [2020-10-21 21:29:50,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-21 21:29:50,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-10-21 21:29:50,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-10-21 21:29:50,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-21 21:29:50,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-10-21 21:29:50,490 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-10-21 21:29:50,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:50,490 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-10-21 21:29:50,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 21:29:50,490 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-10-21 21:29:50,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-21 21:29:50,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:50,492 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] [2020-10-21 21:29:50,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:29:50,707 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:50,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:50,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1072041277, now seen corresponding path program 4 times [2020-10-21 21:29:50,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:50,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051508824] [2020-10-21 21:29:50,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:50,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051508824] [2020-10-21 21:29:50,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905496907] [2020-10-21 21:29:50,829 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 [2020-10-21 21:29:51,051 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-21 21:29:51,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:29:51,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-21 21:29:51,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:29:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:51,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:29:51,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-10-21 21:29:51,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306906803] [2020-10-21 21:29:51,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 21:29:51,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:51,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 21:29:51,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-21 21:29:51,104 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 8 states. [2020-10-21 21:29:51,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:51,162 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-10-21 21:29:51,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 21:29:51,166 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-10-21 21:29:51,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:51,170 INFO L225 Difference]: With dead ends: 360 [2020-10-21 21:29:51,171 INFO L226 Difference]: Without dead ends: 360 [2020-10-21 21:29:51,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-21 21:29:51,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-21 21:29:51,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-10-21 21:29:51,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-21 21:29:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-10-21 21:29:51,184 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-10-21 21:29:51,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:51,185 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-10-21 21:29:51,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 21:29:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-10-21 21:29:51,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-21 21:29:51,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:51,188 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] [2020-10-21 21:29:51,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:29:51,403 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:51,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:51,404 INFO L82 PathProgramCache]: Analyzing trace with hash 2071340971, now seen corresponding path program 5 times [2020-10-21 21:29:51,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:51,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621481299] [2020-10-21 21:29:51,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:51,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621481299] [2020-10-21 21:29:51,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205358438] [2020-10-21 21:29:51,505 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 [2020-10-21 21:29:51,640 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-21 21:29:51,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:29:51,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 37 conjunts are in the unsatisfiable core [2020-10-21 21:29:51,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:29:51,705 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 [2020-10-21 21:29:51,705 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:51,708 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:51,708 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:51,709 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-21 21:29:51,754 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:51,755 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 [2020-10-21 21:29:51,756 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:51,786 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-21 21:29:51,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:29:51,795 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:29:51,795 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-21 21:29:51,874 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:29:51,924 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:51,925 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 [2020-10-21 21:29:51,926 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:29:51,942 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:51,951 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:29:51,968 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:51,969 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 [2020-10-21 21:29:51,971 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,067 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-21 21:29:52,071 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:29:52,071 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-21 21:29:52,117 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:29:52,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:29:52,143 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 [2020-10-21 21:29:52,144 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,156 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 [2020-10-21 21:29:52,156 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,185 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:52,187 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:29:52,187 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-21 21:29:52,268 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 [2020-10-21 21:29:52,269 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,280 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:52,281 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,281 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-21 21:29:52,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:29:52,358 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 30 treesize of output 29 [2020-10-21 21:29:52,358 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,365 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:52,370 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,370 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2020-10-21 21:29:52,422 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:52,422 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 [2020-10-21 21:29:52,423 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,441 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-10-21 21:29:52,444 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,444 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-21 21:29:52,484 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-21 21:29:52,484 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 [2020-10-21 21:29:52,485 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,491 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:52,492 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:52,492 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-21 21:29:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-21 21:29:52,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:29:52,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-10-21 21:29:52,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272638105] [2020-10-21 21:29:52,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-21 21:29:52,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:52,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-21 21:29:52,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-21 21:29:52,534 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 17 states. [2020-10-21 21:29:55,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:55,680 INFO L93 Difference]: Finished difference Result 990 states and 1887 transitions. [2020-10-21 21:29:55,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-21 21:29:55,681 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-10-21 21:29:55,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:55,687 INFO L225 Difference]: With dead ends: 990 [2020-10-21 21:29:55,688 INFO L226 Difference]: Without dead ends: 990 [2020-10-21 21:29:55,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=738, Invalid=2342, Unknown=0, NotChecked=0, Total=3080 [2020-10-21 21:29:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-10-21 21:29:55,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 640. [2020-10-21 21:29:55,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-10-21 21:29:55,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-10-21 21:29:55,709 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 55 [2020-10-21 21:29:55,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:55,710 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-10-21 21:29:55,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-21 21:29:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-10-21 21:29:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-21 21:29:55,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:55,712 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:29:55,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:29:55,926 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:55,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:55,926 INFO L82 PathProgramCache]: Analyzing trace with hash -189433949, now seen corresponding path program 1 times [2020-10-21 21:29:55,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:55,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065392039] [2020-10-21 21:29:55,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:56,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065392039] [2020-10-21 21:29:56,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011097169] [2020-10-21 21:29:56,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-21 21:29:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:56,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-21 21:29:56,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:29:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:56,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:29:56,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-10-21 21:29:56,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372347574] [2020-10-21 21:29:56,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-21 21:29:56,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:56,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-21 21:29:56,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-21 21:29:56,187 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 10 states. [2020-10-21 21:29:56,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:56,252 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-10-21 21:29:56,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 21:29:56,253 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-10-21 21:29:56,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:56,258 INFO L225 Difference]: With dead ends: 828 [2020-10-21 21:29:56,258 INFO L226 Difference]: Without dead ends: 828 [2020-10-21 21:29:56,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-21 21:29:56,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-21 21:29:56,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-10-21 21:29:56,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-10-21 21:29:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-10-21 21:29:56,277 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-10-21 21:29:56,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:56,278 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-10-21 21:29:56,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-21 21:29:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-10-21 21:29:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-21 21:29:56,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:56,280 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:29:56,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:29:56,495 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:56,495 INFO L82 PathProgramCache]: Analyzing trace with hash -425688941, now seen corresponding path program 2 times [2020-10-21 21:29:56,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:56,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766335906] [2020-10-21 21:29:56,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:56,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766335906] [2020-10-21 21:29:56,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359187536] [2020-10-21 21:29:56,708 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 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 [2020-10-21 21:29:56,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-21 21:29:56,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:29:56,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-21 21:29:56,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:29:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:56,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:29:56,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-10-21 21:29:56,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924343084] [2020-10-21 21:29:56,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-21 21:29:56,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:56,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-21 21:29:57,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-21 21:29:57,002 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 11 states. [2020-10-21 21:29:57,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:29:57,084 INFO L93 Difference]: Finished difference Result 928 states and 1740 transitions. [2020-10-21 21:29:57,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-21 21:29:57,085 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-10-21 21:29:57,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:29:57,091 INFO L225 Difference]: With dead ends: 928 [2020-10-21 21:29:57,092 INFO L226 Difference]: Without dead ends: 928 [2020-10-21 21:29:57,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-21 21:29:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-10-21 21:29:57,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 840. [2020-10-21 21:29:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-10-21 21:29:57,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1578 transitions. [2020-10-21 21:29:57,113 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1578 transitions. Word has length 71 [2020-10-21 21:29:57,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:29:57,114 INFO L481 AbstractCegarLoop]: Abstraction has 840 states and 1578 transitions. [2020-10-21 21:29:57,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-21 21:29:57,114 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1578 transitions. [2020-10-21 21:29:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-21 21:29:57,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:29:57,116 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:29:57,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:29:57,331 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:29:57,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:29:57,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1451824044, now seen corresponding path program 3 times [2020-10-21 21:29:57,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:29:57,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791963770] [2020-10-21 21:29:57,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:29:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:29:57,472 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:29:57,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791963770] [2020-10-21 21:29:57,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473577794] [2020-10-21 21:29:57,473 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 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 [2020-10-21 21:29:58,092 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-21 21:29:58,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:29:58,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 30 conjunts are in the unsatisfiable core [2020-10-21 21:29:58,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:29:58,112 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 63 treesize of output 61 [2020-10-21 21:29:58,114 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-21 21:29:58,148 INFO L625 ElimStorePlain]: treesize reduction 33, result has 43.1 percent of original size [2020-10-21 21:29:58,153 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,153 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-10-21 21:29:58,188 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 [2020-10-21 21:29:58,188 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,193 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:58,193 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,194 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-21 21:29:58,227 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 [2020-10-21 21:29:58,227 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,234 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:58,236 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,236 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-21 21:29:58,301 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:58,301 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 [2020-10-21 21:29:58,302 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,327 INFO L625 ElimStorePlain]: treesize reduction 69, result has 28.1 percent of original size [2020-10-21 21:29:58,331 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,331 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:13 [2020-10-21 21:29:58,366 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-21 21:29:58,366 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 [2020-10-21 21:29:58,367 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,373 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:58,374 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,374 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-10-21 21:29:58,384 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 [2020-10-21 21:29:58,386 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,393 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:29:58,393 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:29:58,393 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:1 [2020-10-21 21:29:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 46 proven. 35 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-21 21:29:58,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:29:58,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2020-10-21 21:29:58,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213708156] [2020-10-21 21:29:58,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-21 21:29:58,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:29:58,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-21 21:29:58,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-21 21:29:58,405 INFO L87 Difference]: Start difference. First operand 840 states and 1578 transitions. Second operand 17 states. [2020-10-21 21:30:00,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:30:00,064 INFO L93 Difference]: Finished difference Result 948 states and 1754 transitions. [2020-10-21 21:30:00,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-21 21:30:00,065 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 79 [2020-10-21 21:30:00,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:30:00,070 INFO L225 Difference]: With dead ends: 948 [2020-10-21 21:30:00,070 INFO L226 Difference]: Without dead ends: 948 [2020-10-21 21:30:00,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=632, Invalid=1438, Unknown=0, NotChecked=0, Total=2070 [2020-10-21 21:30:00,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-10-21 21:30:00,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 648. [2020-10-21 21:30:00,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-10-21 21:30:00,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1214 transitions. [2020-10-21 21:30:00,088 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1214 transitions. Word has length 79 [2020-10-21 21:30:00,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:30:00,089 INFO L481 AbstractCegarLoop]: Abstraction has 648 states and 1214 transitions. [2020-10-21 21:30:00,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-21 21:30:00,089 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1214 transitions. [2020-10-21 21:30:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-21 21:30:00,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:30:00,091 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:30:00,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-21 21:30:00,305 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:30:00,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:30:00,305 INFO L82 PathProgramCache]: Analyzing trace with hash 2061983211, now seen corresponding path program 4 times [2020-10-21 21:30:00,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:30:00,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324793130] [2020-10-21 21:30:00,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:30:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:30:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:30:00,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324793130] [2020-10-21 21:30:00,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409118576] [2020-10-21 21:30:00,457 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 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 [2020-10-21 21:30:02,461 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-21 21:30:02,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:30:02,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-21 21:30:02,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:30:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:30:02,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:30:02,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-10-21 21:30:02,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923445469] [2020-10-21 21:30:02,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-21 21:30:02,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:30:02,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-21 21:30:02,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-10-21 21:30:02,545 INFO L87 Difference]: Start difference. First operand 648 states and 1214 transitions. Second operand 13 states. [2020-10-21 21:30:02,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:30:02,647 INFO L93 Difference]: Finished difference Result 760 states and 1418 transitions. [2020-10-21 21:30:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-21 21:30:02,648 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 87 [2020-10-21 21:30:02,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:30:02,652 INFO L225 Difference]: With dead ends: 760 [2020-10-21 21:30:02,652 INFO L226 Difference]: Without dead ends: 760 [2020-10-21 21:30:02,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-10-21 21:30:02,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-21 21:30:02,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 708. [2020-10-21 21:30:02,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2020-10-21 21:30:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 1323 transitions. [2020-10-21 21:30:02,668 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 1323 transitions. Word has length 87 [2020-10-21 21:30:02,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:30:02,668 INFO L481 AbstractCegarLoop]: Abstraction has 708 states and 1323 transitions. [2020-10-21 21:30:02,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-21 21:30:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1323 transitions. [2020-10-21 21:30:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-21 21:30:02,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:30:02,671 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 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] [2020-10-21 21:30:02,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:30:02,885 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:30:02,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:30:02,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1429156866, now seen corresponding path program 5 times [2020-10-21 21:30:02,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:30:02,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307368559] [2020-10-21 21:30:02,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:30:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:30:03,078 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:30:03,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307368559] [2020-10-21 21:30:03,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946279594] [2020-10-21 21:30:03,079 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 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 [2020-10-21 21:30:03,585 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-21 21:30:03,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:30:03,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 69 conjunts are in the unsatisfiable core [2020-10-21 21:30:03,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:30:03,614 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 [2020-10-21 21:30:03,614 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:03,616 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:03,616 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:03,616 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-21 21:30:03,667 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:03,667 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 [2020-10-21 21:30:03,668 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:03,702 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-21 21:30:03,704 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:03,706 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:30:03,706 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-21 21:30:03,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:03,816 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:03,816 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 [2020-10-21 21:30:03,818 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:03,824 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:03,830 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:30:03,850 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:03,851 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 [2020-10-21 21:30:03,852 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:03,951 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-21 21:30:03,956 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:30:03,956 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-21 21:30:04,003 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:04,018 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 [2020-10-21 21:30:04,018 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:30:04,028 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 [2020-10-21 21:30:04,029 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,059 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:04,064 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:30:04,064 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-21 21:30:04,125 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-21 21:30:04,125 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:04,140 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 25 treesize of output 15 [2020-10-21 21:30:04,141 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,163 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:04,168 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 34 treesize of output 18 [2020-10-21 21:30:04,169 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,186 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:04,188 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:30:04,188 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-10-21 21:30:04,227 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:04,246 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 [2020-10-21 21:30:04,246 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,274 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:04,275 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 [2020-10-21 21:30:04,276 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:04,278 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,348 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-21 21:30:04,351 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:04,360 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-21 21:30:04,361 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-21 21:30:04,436 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:04,463 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:04,464 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 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-21 21:30:04,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:04,465 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,473 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:30:04,490 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:04,491 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 [2020-10-21 21:30:04,492 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:30:04,493 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,594 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-10-21 21:30:04,595 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-21 21:30:04,601 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:30:04,601 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-21 21:30:04,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:04,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:30:04,668 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 [2020-10-21 21:30:04,669 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,681 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 [2020-10-21 21:30:04,681 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,716 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:04,718 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:30:04,718 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-21 21:30:04,809 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 [2020-10-21 21:30:04,811 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,820 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:04,821 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,821 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-21 21:30:04,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:30:04,872 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 [2020-10-21 21:30:04,872 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,887 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:04,889 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:04,890 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-21 21:30:05,025 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:30:05,040 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:05,041 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 [2020-10-21 21:30:05,042 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,088 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-10-21 21:30:05,091 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,091 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-21 21:30:05,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:30:05,154 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 [2020-10-21 21:30:05,155 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,172 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:05,174 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,174 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-21 21:30:05,242 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 34 treesize of output 18 [2020-10-21 21:30:05,243 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:05,255 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,255 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-21 21:30:05,326 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:05,327 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 32 treesize of output 75 [2020-10-21 21:30:05,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:30:05,329 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,354 INFO L625 ElimStorePlain]: treesize reduction 44, result has 49.4 percent of original size [2020-10-21 21:30:05,358 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,359 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2020-10-21 21:30:05,421 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:05,422 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 [2020-10-21 21:30:05,423 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:30:05,424 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,449 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-10-21 21:30:05,451 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,451 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-21 21:30:05,498 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-21 21:30:05,499 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 [2020-10-21 21:30:05,500 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,504 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:05,505 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:05,506 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-21 21:30:05,535 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 218 proven. 23 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-21 21:30:05,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:30:05,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21] total 32 [2020-10-21 21:30:05,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719035997] [2020-10-21 21:30:05,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-21 21:30:05,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:30:05,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-21 21:30:05,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=793, Unknown=0, NotChecked=0, Total=992 [2020-10-21 21:30:05,537 INFO L87 Difference]: Start difference. First operand 708 states and 1323 transitions. Second operand 32 states. [2020-10-21 21:30:17,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:30:17,916 INFO L93 Difference]: Finished difference Result 2597 states and 4778 transitions. [2020-10-21 21:30:17,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2020-10-21 21:30:17,917 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 95 [2020-10-21 21:30:17,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:30:17,928 INFO L225 Difference]: With dead ends: 2597 [2020-10-21 21:30:17,928 INFO L226 Difference]: Without dead ends: 2597 [2020-10-21 21:30:17,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 219 SyntacticMatches, 1 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12785 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=5538, Invalid=24912, Unknown=0, NotChecked=0, Total=30450 [2020-10-21 21:30:17,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2597 states. [2020-10-21 21:30:17,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2597 to 1838. [2020-10-21 21:30:17,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2020-10-21 21:30:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 3358 transitions. [2020-10-21 21:30:18,017 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 3358 transitions. Word has length 95 [2020-10-21 21:30:18,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:30:18,018 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 3358 transitions. [2020-10-21 21:30:18,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-21 21:30:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 3358 transitions. [2020-10-21 21:30:18,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-21 21:30:18,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:30:18,023 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 7, 7, 7, 7, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:30:18,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:30:18,232 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:30:18,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:30:18,234 INFO L82 PathProgramCache]: Analyzing trace with hash -2112986708, now seen corresponding path program 6 times [2020-10-21 21:30:18,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:30:18,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386223399] [2020-10-21 21:30:18,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:30:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:30:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:30:18,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386223399] [2020-10-21 21:30:18,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325909030] [2020-10-21 21:30:18,438 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 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 [2020-10-21 21:30:50,183 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2020-10-21 21:30:50,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:30:50,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 70 conjunts are in the unsatisfiable core [2020-10-21 21:30:50,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:30:50,480 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 63 treesize of output 61 [2020-10-21 21:30:50,483 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-21 21:30:50,531 INFO L625 ElimStorePlain]: treesize reduction 34, result has 47.7 percent of original size [2020-10-21 21:30:50,535 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,535 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:33, output treesize:11 [2020-10-21 21:30:50,585 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 [2020-10-21 21:30:50,585 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,593 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:50,594 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,594 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2020-10-21 21:30:50,627 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 [2020-10-21 21:30:50,627 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,639 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:50,640 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,640 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:20 [2020-10-21 21:30:50,685 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:30:50,702 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:50,703 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2020-10-21 21:30:50,704 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,752 INFO L625 ElimStorePlain]: treesize reduction 30, result has 57.1 percent of original size [2020-10-21 21:30:50,755 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,755 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:26 [2020-10-21 21:30:50,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:30:50,795 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2020-10-21 21:30:50,795 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,811 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:50,812 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,813 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:26 [2020-10-21 21:30:50,881 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 31 treesize of output 15 [2020-10-21 21:30:50,882 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,890 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:50,890 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,891 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:20 [2020-10-21 21:30:50,924 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 23 treesize of output 22 [2020-10-21 21:30:50,925 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,936 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:50,938 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:50,938 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:30, output treesize:13 [2020-10-21 21:30:51,007 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:30:51,021 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:51,021 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 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-21 21:30:51,022 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:51,055 INFO L625 ElimStorePlain]: treesize reduction 26, result has 54.4 percent of original size [2020-10-21 21:30:51,057 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:51,057 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:22 [2020-10-21 21:30:51,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:30:51,103 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 [2020-10-21 21:30:51,103 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:51,117 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:51,119 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:51,119 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:22 [2020-10-21 21:30:51,126 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 [2020-10-21 21:30:51,127 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:30:51,128 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:30:51,129 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:30:51,129 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:1 [2020-10-21 21:30:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 116 proven. 50 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-10-21 21:30:51,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:30:51,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 24 [2020-10-21 21:30:51,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940570464] [2020-10-21 21:30:51,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-21 21:30:51,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:30:51,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-21 21:30:51,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2020-10-21 21:30:51,171 INFO L87 Difference]: Start difference. First operand 1838 states and 3358 transitions. Second operand 24 states. [2020-10-21 21:30:55,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:30:55,816 INFO L93 Difference]: Finished difference Result 2652 states and 4742 transitions. [2020-10-21 21:30:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-10-21 21:30:55,816 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 104 [2020-10-21 21:30:55,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:30:55,826 INFO L225 Difference]: With dead ends: 2652 [2020-10-21 21:30:55,826 INFO L226 Difference]: Without dead ends: 2652 [2020-10-21 21:30:55,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 165 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3154 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1922, Invalid=7008, Unknown=0, NotChecked=0, Total=8930 [2020-10-21 21:30:55,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2020-10-21 21:30:55,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 1160. [2020-10-21 21:30:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2020-10-21 21:30:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 2123 transitions. [2020-10-21 21:30:55,861 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 2123 transitions. Word has length 104 [2020-10-21 21:30:55,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:30:55,862 INFO L481 AbstractCegarLoop]: Abstraction has 1160 states and 2123 transitions. [2020-10-21 21:30:55,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-21 21:30:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2123 transitions. [2020-10-21 21:30:55,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-21 21:30:55,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:30:55,865 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 8, 8, 8, 8, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:30:56,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-21 21:30:56,066 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:30:56,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:30:56,067 INFO L82 PathProgramCache]: Analyzing trace with hash 180353859, now seen corresponding path program 7 times [2020-10-21 21:30:56,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:30:56,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815519423] [2020-10-21 21:30:56,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:30:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:30:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:30:56,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815519423] [2020-10-21 21:30:56,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092822869] [2020-10-21 21:30:56,321 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 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 [2020-10-21 21:30:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:30:56,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-21 21:30:56,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:30:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:30:56,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:30:56,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2020-10-21 21:30:56,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784177790] [2020-10-21 21:30:56,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-21 21:30:56,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:30:56,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-21 21:30:56,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-10-21 21:30:56,511 INFO L87 Difference]: Start difference. First operand 1160 states and 2123 transitions. Second operand 16 states. [2020-10-21 21:30:56,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:30:56,637 INFO L93 Difference]: Finished difference Result 1333 states and 2431 transitions. [2020-10-21 21:30:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-21 21:30:56,638 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 112 [2020-10-21 21:30:56,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:30:56,643 INFO L225 Difference]: With dead ends: 1333 [2020-10-21 21:30:56,643 INFO L226 Difference]: Without dead ends: 1333 [2020-10-21 21:30:56,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-10-21 21:30:56,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2020-10-21 21:30:56,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1253. [2020-10-21 21:30:56,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1253 states. [2020-10-21 21:30:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 2287 transitions. [2020-10-21 21:30:56,670 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 2287 transitions. Word has length 112 [2020-10-21 21:30:56,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:30:56,671 INFO L481 AbstractCegarLoop]: Abstraction has 1253 states and 2287 transitions. [2020-10-21 21:30:56,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-21 21:30:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 2287 transitions. [2020-10-21 21:30:56,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-21 21:30:56,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:30:56,675 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 8, 8, 8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:30:56,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-10-21 21:30:56,888 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:30:56,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:30:56,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1803222187, now seen corresponding path program 8 times [2020-10-21 21:30:56,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:30:56,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369844278] [2020-10-21 21:30:56,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:30:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:30:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 507 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:30:57,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369844278] [2020-10-21 21:30:57,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712260020] [2020-10-21 21:30:57,147 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 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 [2020-10-21 21:30:57,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-21 21:30:57,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:30:57,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-21 21:30:57,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:30:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 507 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:30:57,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:30:57,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2020-10-21 21:30:57,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571857936] [2020-10-21 21:30:57,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-21 21:30:57,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:30:57,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-21 21:30:57,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-10-21 21:30:57,524 INFO L87 Difference]: Start difference. First operand 1253 states and 2287 transitions. Second operand 17 states. [2020-10-21 21:30:57,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:30:57,658 INFO L93 Difference]: Finished difference Result 1425 states and 2596 transitions. [2020-10-21 21:30:57,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-21 21:30:57,659 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 119 [2020-10-21 21:30:57,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:30:57,665 INFO L225 Difference]: With dead ends: 1425 [2020-10-21 21:30:57,666 INFO L226 Difference]: Without dead ends: 1425 [2020-10-21 21:30:57,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-10-21 21:30:57,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2020-10-21 21:30:57,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1345. [2020-10-21 21:30:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1345 states. [2020-10-21 21:30:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 2452 transitions. [2020-10-21 21:30:57,694 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 2452 transitions. Word has length 119 [2020-10-21 21:30:57,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:30:57,694 INFO L481 AbstractCegarLoop]: Abstraction has 1345 states and 2452 transitions. [2020-10-21 21:30:57,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-21 21:30:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 2452 transitions. [2020-10-21 21:30:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-21 21:30:57,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:30:57,699 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 9, 9, 9, 9, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:30:57,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-21 21:30:57,913 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:30:57,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:30:57,914 INFO L82 PathProgramCache]: Analyzing trace with hash -472733118, now seen corresponding path program 9 times [2020-10-21 21:30:57,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:30:57,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047562220] [2020-10-21 21:30:57,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:30:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:30:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 597 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:30:58,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047562220] [2020-10-21 21:30:58,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940073282] [2020-10-21 21:30:58,336 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 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 [2020-10-21 21:31:01,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-10-21 21:31:01,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:31:01,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 66 conjunts are in the unsatisfiable core [2020-10-21 21:31:01,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:31:01,493 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 1251 treesize of output 1187 [2020-10-21 21:31:01,496 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,657 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2020-10-21 21:31:01,658 INFO L625 ElimStorePlain]: treesize reduction 1056, result has 2.3 percent of original size [2020-10-21 21:31:01,663 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,663 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-10-21 21:31:01,702 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 [2020-10-21 21:31:01,702 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,707 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:01,708 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,708 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-21 21:31:01,740 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 [2020-10-21 21:31:01,741 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,749 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:01,750 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,751 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-21 21:31:01,795 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:31:01,811 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:01,812 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2020-10-21 21:31:01,813 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,845 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-10-21 21:31:01,847 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,847 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-21 21:31:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:31:01,883 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2020-10-21 21:31:01,884 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,896 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:01,897 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,897 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-21 21:31:01,939 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 34 treesize of output 18 [2020-10-21 21:31:01,940 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,947 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:01,948 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,948 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-21 21:31:01,983 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 [2020-10-21 21:31:01,983 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,990 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:01,991 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:01,992 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-21 21:31:02,037 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:31:02,052 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:02,053 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2020-10-21 21:31:02,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:31:02,055 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,093 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-10-21 21:31:02,094 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,095 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-21 21:31:02,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:31:02,133 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2020-10-21 21:31:02,133 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,145 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:02,146 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,147 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-21 21:31:02,216 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 31 treesize of output 15 [2020-10-21 21:31:02,216 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,222 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:02,223 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,223 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-10-21 21:31:02,254 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 [2020-10-21 21:31:02,255 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,262 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:02,264 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,264 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-21 21:31:02,327 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:31:02,341 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:02,341 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 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-21 21:31:02,342 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:31:02,344 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-21 21:31:02,380 INFO L625 ElimStorePlain]: treesize reduction 93, result has 26.2 percent of original size [2020-10-21 21:31:02,380 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,381 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-10-21 21:31:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:31:02,424 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 [2020-10-21 21:31:02,424 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,433 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:02,434 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,435 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-21 21:31:02,439 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 [2020-10-21 21:31:02,440 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,442 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:02,442 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:02,443 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-21 21:31:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 220 proven. 73 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-10-21 21:31:02,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:31:02,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2020-10-21 21:31:02,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362782721] [2020-10-21 21:31:02,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-21 21:31:02,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:31:02,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-21 21:31:02,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=706, Unknown=0, NotChecked=0, Total=930 [2020-10-21 21:31:02,467 INFO L87 Difference]: Start difference. First operand 1345 states and 2452 transitions. Second operand 31 states. [2020-10-21 21:31:11,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:31:11,004 INFO L93 Difference]: Finished difference Result 2578 states and 4645 transitions. [2020-10-21 21:31:11,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2020-10-21 21:31:11,005 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 127 [2020-10-21 21:31:11,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:31:11,015 INFO L225 Difference]: With dead ends: 2578 [2020-10-21 21:31:11,016 INFO L226 Difference]: Without dead ends: 2578 [2020-10-21 21:31:11,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11299 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=6417, Invalid=20973, Unknown=0, NotChecked=0, Total=27390 [2020-10-21 21:31:11,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2020-10-21 21:31:11,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 1830. [2020-10-21 21:31:11,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1830 states. [2020-10-21 21:31:11,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 3298 transitions. [2020-10-21 21:31:11,057 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 3298 transitions. Word has length 127 [2020-10-21 21:31:11,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:31:11,057 INFO L481 AbstractCegarLoop]: Abstraction has 1830 states and 3298 transitions. [2020-10-21 21:31:11,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-21 21:31:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 3298 transitions. [2020-10-21 21:31:11,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-21 21:31:11,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:31:11,063 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 11, 11, 11, 11, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:31:11,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:31:11,277 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:31:11,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:31:11,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1141722438, now seen corresponding path program 10 times [2020-10-21 21:31:11,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:31:11,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801168730] [2020-10-21 21:31:11,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:31:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:31:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:31:11,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801168730] [2020-10-21 21:31:11,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236989921] [2020-10-21 21:31:11,556 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 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 [2020-10-21 21:31:41,875 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-21 21:31:41,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:31:42,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-21 21:31:42,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:31:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:31:42,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:31:42,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2020-10-21 21:31:42,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406884473] [2020-10-21 21:31:42,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-21 21:31:42,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:31:42,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-21 21:31:42,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-10-21 21:31:42,525 INFO L87 Difference]: Start difference. First operand 1830 states and 3298 transitions. Second operand 19 states. [2020-10-21 21:31:42,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:31:42,708 INFO L93 Difference]: Finished difference Result 2062 states and 3712 transitions. [2020-10-21 21:31:42,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-21 21:31:42,710 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 136 [2020-10-21 21:31:42,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:31:42,723 INFO L225 Difference]: With dead ends: 2062 [2020-10-21 21:31:42,723 INFO L226 Difference]: Without dead ends: 2062 [2020-10-21 21:31:42,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-10-21 21:31:42,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2020-10-21 21:31:42,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 1954. [2020-10-21 21:31:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2020-10-21 21:31:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 3519 transitions. [2020-10-21 21:31:42,775 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 3519 transitions. Word has length 136 [2020-10-21 21:31:42,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:31:42,776 INFO L481 AbstractCegarLoop]: Abstraction has 1954 states and 3519 transitions. [2020-10-21 21:31:42,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-21 21:31:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 3519 transitions. [2020-10-21 21:31:42,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-21 21:31:42,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:31:42,785 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:31:42,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:31:42,998 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:31:42,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:31:42,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1146648189, now seen corresponding path program 11 times [2020-10-21 21:31:42,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:31:43,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542384642] [2020-10-21 21:31:43,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:31:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:31:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:31:43,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542384642] [2020-10-21 21:31:43,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407298803] [2020-10-21 21:31:43,424 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 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 [2020-10-21 21:31:56,791 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2020-10-21 21:31:56,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-21 21:31:56,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 173 conjunts are in the unsatisfiable core [2020-10-21 21:31:56,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 21:31:56,944 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 32 treesize of output 16 [2020-10-21 21:31:56,945 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:56,951 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:56,951 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:56,951 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:12 [2020-10-21 21:31:57,003 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:57,003 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 26 treesize of output 63 [2020-10-21 21:31:57,004 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:57,005 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:57,050 INFO L625 ElimStorePlain]: treesize reduction 24, result has 63.1 percent of original size [2020-10-21 21:31:57,051 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:57,054 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:31:57,054 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:36 [2020-10-21 21:31:57,158 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:57,168 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:31:57,172 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:31:57,195 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:57,195 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 2 case distinctions, treesize of input 32 treesize of output 50 [2020-10-21 21:31:57,196 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:31:57,198 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:31:57,199 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:31:57,200 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-21 21:31:57,225 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:57,225 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-10-21 21:31:57,226 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-21 21:31:57,227 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:31:57,227 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-10-21 21:31:57,328 INFO L625 ElimStorePlain]: treesize reduction 141, result has 34.7 percent of original size [2020-10-21 21:31:57,331 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:31:57,331 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:49 [2020-10-21 21:31:57,397 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:57,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:31:57,416 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 26 treesize of output 25 [2020-10-21 21:31:57,417 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:57,424 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 [2020-10-21 21:31:57,425 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:57,461 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:57,463 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:31:57,463 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:49 [2020-10-21 21:31:57,536 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 [2020-10-21 21:31:57,537 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:57,539 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:57,540 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:31:57,540 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-10-21 21:31:57,588 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:57,589 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 [2020-10-21 21:31:57,589 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:57,626 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-21 21:31:57,628 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:57,629 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:31:57,629 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-21 21:31:57,753 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:57,797 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:57,798 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 [2020-10-21 21:31:57,799 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:57,800 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:57,809 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:31:57,841 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:57,841 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 [2020-10-21 21:31:57,842 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:57,961 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-10-21 21:31:57,962 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-21 21:31:57,964 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:31:57,965 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-21 21:31:58,055 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:58,070 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 [2020-10-21 21:31:58,070 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:58,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:31:58,084 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 [2020-10-21 21:31:58,085 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:58,125 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:58,126 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:31:58,127 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-21 21:31:58,402 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-21 21:31:58,403 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:31:58,414 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 32 treesize of output 16 [2020-10-21 21:31:58,415 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:58,470 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-10-21 21:31:58,476 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 31 treesize of output 15 [2020-10-21 21:31:58,476 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:58,497 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:58,498 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:31:58,498 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:49 [2020-10-21 21:31:58,574 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:58,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:31:58,596 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 26 treesize of output 25 [2020-10-21 21:31:58,597 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:58,628 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:58,629 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 [2020-10-21 21:31:58,629 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:58,726 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-10-21 21:31:58,728 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:58,731 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-21 21:31:58,731 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-10-21 21:31:58,906 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:58,935 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:58,936 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-10-21 21:31:58,936 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-21 21:31:58,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:31:58,937 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-21 21:31:58,943 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:31:58,963 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:58,964 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 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-21 21:31:58,965 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:59,062 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-10-21 21:31:59,064 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:31:59,065 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-10-21 21:31:59,149 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:59,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:31:59,177 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 [2020-10-21 21:31:59,177 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:59,185 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 [2020-10-21 21:31:59,185 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:59,221 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:59,223 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:31:59,223 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-21 21:31:59,440 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-21 21:31:59,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:31:59,460 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 32 treesize of output 16 [2020-10-21 21:31:59,461 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:59,510 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-10-21 21:31:59,516 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 31 treesize of output 15 [2020-10-21 21:31:59,516 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:59,534 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:59,535 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:31:59,535 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:49 [2020-10-21 21:31:59,613 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:59,653 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:59,654 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 [2020-10-21 21:31:59,654 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:59,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:31:59,664 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 26 treesize of output 25 [2020-10-21 21:31:59,664 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:31:59,761 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-10-21 21:31:59,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:59,771 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-21 21:31:59,772 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-10-21 21:31:59,951 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:31:59,982 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:31:59,983 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-10-21 21:31:59,984 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-21 21:31:59,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:31:59,985 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-21 21:31:59,989 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:32:00,009 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:00,009 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 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-21 21:32:00,010 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:00,104 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-10-21 21:32:00,111 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:32:00,111 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-10-21 21:32:00,210 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:32:00,221 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 [2020-10-21 21:32:00,221 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:00,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:32:00,231 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 [2020-10-21 21:32:00,232 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:00,267 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:00,268 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:32:00,269 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-21 21:32:00,479 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-21 21:32:00,479 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:32:00,492 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 41 treesize of output 19 [2020-10-21 21:32:00,493 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:00,549 INFO L625 ElimStorePlain]: treesize reduction 13, result has 84.0 percent of original size [2020-10-21 21:32:00,555 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 32 treesize of output 16 [2020-10-21 21:32:00,555 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:00,579 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:00,580 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:32:00,580 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:49 [2020-10-21 21:32:00,671 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:32:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:32:00,697 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 26 treesize of output 25 [2020-10-21 21:32:00,697 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:00,733 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:00,733 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 [2020-10-21 21:32:00,734 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:00,824 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-10-21 21:32:00,825 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:32:00,828 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-21 21:32:00,828 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-10-21 21:32:01,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:32:01,035 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:32:01,039 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:32:01,057 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:01,058 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 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-21 21:32:01,059 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:01,089 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:01,090 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-10-21 21:32:01,091 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-21 21:32:01,091 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:32:01,092 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-10-21 21:32:01,196 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-10-21 21:32:01,197 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-10-21 21:32:01,200 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:32:01,200 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-10-21 21:32:01,310 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:32:01,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:32:01,330 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 [2020-10-21 21:32:01,330 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:01,341 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 [2020-10-21 21:32:01,342 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:01,382 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:01,383 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-21 21:32:01,384 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-21 21:32:01,541 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 [2020-10-21 21:32:01,542 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:01,556 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:01,557 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:01,557 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-21 21:32:01,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:32:01,663 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 [2020-10-21 21:32:01,663 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:01,683 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:01,685 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:01,685 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-21 21:32:01,884 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:32:01,903 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:01,903 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 [2020-10-21 21:32:01,904 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:01,961 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-10-21 21:32:01,962 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:01,963 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-21 21:32:02,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:32:02,118 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 [2020-10-21 21:32:02,119 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:02,143 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:02,145 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:02,145 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-21 21:32:02,313 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 34 treesize of output 18 [2020-10-21 21:32:02,314 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:02,333 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:02,333 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:02,334 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-21 21:32:02,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:32:02,435 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 [2020-10-21 21:32:02,436 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:02,452 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:02,453 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:02,453 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-21 21:32:02,693 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:32:02,710 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:02,711 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 [2020-10-21 21:32:02,712 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:32:02,713 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:02,776 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-21 21:32:02,778 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:02,778 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-21 21:32:02,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:32:02,908 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 [2020-10-21 21:32:02,909 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:02,932 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:02,933 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:02,934 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-21 21:32:03,073 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 34 treesize of output 18 [2020-10-21 21:32:03,074 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,087 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:03,088 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,088 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-21 21:32:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:32:03,191 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 [2020-10-21 21:32:03,192 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,207 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:03,208 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,208 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-21 21:32:03,430 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-21 21:32:03,449 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:03,449 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 [2020-10-21 21:32:03,450 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:32:03,451 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,508 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-21 21:32:03,509 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,510 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-21 21:32:03,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-21 21:32:03,640 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 [2020-10-21 21:32:03,641 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,670 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:03,672 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,673 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-21 21:32:03,817 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 34 treesize of output 18 [2020-10-21 21:32:03,818 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,832 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:03,833 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,833 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-21 21:32:03,962 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:03,962 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 32 treesize of output 75 [2020-10-21 21:32:03,963 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:32:03,965 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:03,997 INFO L625 ElimStorePlain]: treesize reduction 44, result has 49.4 percent of original size [2020-10-21 21:32:04,000 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:04,000 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2020-10-21 21:32:04,153 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:04,154 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 [2020-10-21 21:32:04,155 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:32:04,156 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:04,181 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-10-21 21:32:04,183 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:04,183 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-21 21:32:04,259 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-21 21:32:04,260 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 [2020-10-21 21:32:04,260 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-21 21:32:04,266 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 21:32:04,267 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-21 21:32:04,267 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-21 21:32:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 640 proven. 131 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-21 21:32:04,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-21 21:32:04,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 52] total 69 [2020-10-21 21:32:04,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311828559] [2020-10-21 21:32:04,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 69 states [2020-10-21 21:32:04,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:32:04,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-10-21 21:32:04,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=3982, Unknown=0, NotChecked=0, Total=4692 [2020-10-21 21:32:04,357 INFO L87 Difference]: Start difference. First operand 1954 states and 3519 transitions. Second operand 69 states. [2020-10-21 21:32:14,714 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-21 21:32:15,921 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-10-21 21:32:17,479 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-10-21 21:32:18,583 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-21 21:32:20,097 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-10-21 21:32:20,379 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-21 21:32:22,004 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-10-21 21:32:22,298 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-10-21 21:32:23,171 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2020-10-21 21:32:23,630 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-21 21:32:25,581 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-10-21 21:32:25,915 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-21 21:32:26,189 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-10-21 21:32:27,899 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-10-21 21:32:28,180 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-10-21 21:32:28,488 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-21 21:32:29,289 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2020-10-21 21:32:30,019 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-21 21:32:30,430 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:32:30,876 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:32:32,011 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:32:32,449 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-10-21 21:32:32,794 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-21 21:32:33,109 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-10-21 21:32:33,427 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2020-10-21 21:32:34,188 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-10-21 21:32:35,382 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-10-21 21:32:35,856 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 36 [2020-10-21 21:32:36,098 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-10-21 21:32:36,406 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-21 21:32:36,723 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 35 [2020-10-21 21:32:37,379 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2020-10-21 21:32:38,132 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-21 21:32:38,477 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-21 21:32:38,730 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2020-10-21 21:32:38,992 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:32:39,220 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:32:39,458 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:32:39,823 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2020-10-21 21:32:40,811 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:32:41,310 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2020-10-21 21:32:41,684 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-10-21 21:32:42,044 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-21 21:32:42,629 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2020-10-21 21:32:42,880 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-10-21 21:32:43,053 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-10-21 21:32:43,448 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2020-10-21 21:32:43,881 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-21 21:32:44,369 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2020-10-21 21:32:46,071 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-10-21 21:32:46,570 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 36 [2020-10-21 21:32:46,784 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-10-21 21:32:47,185 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-21 21:32:47,541 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 35 [2020-10-21 21:32:47,732 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-21 21:32:48,273 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2020-10-21 21:32:49,090 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-21 21:32:49,510 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-21 21:32:49,796 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2020-10-21 21:32:50,048 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:32:50,302 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:32:50,621 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:32:51,823 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:32:52,395 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2020-10-21 21:32:52,769 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-10-21 21:32:53,150 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2020-10-21 21:32:53,541 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-21 21:32:54,091 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-10-21 21:32:54,286 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-10-21 21:32:54,700 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2020-10-21 21:32:55,217 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-21 21:32:55,717 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2020-10-21 21:32:57,032 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-21 21:32:57,705 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-10-21 21:32:58,334 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 36 [2020-10-21 21:32:58,590 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-10-21 21:32:58,969 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-21 21:32:59,375 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 35 [2020-10-21 21:32:59,570 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-21 21:32:59,782 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-10-21 21:33:00,180 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2020-10-21 21:33:00,887 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-21 21:33:01,624 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-21 21:33:01,953 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2020-10-21 21:33:02,235 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:33:02,498 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:33:02,791 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:33:03,977 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:33:04,644 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2020-10-21 21:33:05,073 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-10-21 21:33:05,499 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2020-10-21 21:33:05,917 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-21 21:33:06,586 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-10-21 21:33:06,804 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-10-21 21:33:07,314 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2020-10-21 21:33:07,921 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-21 21:33:08,560 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2020-10-21 21:33:08,877 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-10-21 21:33:09,979 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-21 21:33:10,438 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-21 21:33:10,781 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-10-21 21:33:11,208 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-10-21 21:33:11,740 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 36 [2020-10-21 21:33:12,177 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-21 21:33:12,678 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 35 [2020-10-21 21:33:12,911 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-21 21:33:13,147 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-10-21 21:33:13,596 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2020-10-21 21:33:13,898 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-21 21:33:14,387 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-21 21:33:14,771 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-21 21:33:15,069 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:33:15,825 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2020-10-21 21:33:16,130 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:33:16,466 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:33:17,768 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:33:18,546 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2020-10-21 21:33:19,036 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-10-21 21:33:19,581 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2020-10-21 21:33:20,041 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-21 21:33:20,455 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-10-21 21:33:21,072 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-10-21 21:33:21,599 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2020-10-21 21:33:22,264 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-21 21:33:23,067 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2020-10-21 21:33:23,490 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-10-21 21:33:24,889 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-21 21:33:25,451 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-21 21:33:25,849 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-10-21 21:33:26,364 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-10-21 21:33:26,914 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-21 21:33:27,605 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 36 [2020-10-21 21:33:28,164 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 35 [2020-10-21 21:33:28,442 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-21 21:33:28,726 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-10-21 21:33:29,268 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2020-10-21 21:33:29,633 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-21 21:33:30,503 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-21 21:33:30,996 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-21 21:33:31,424 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:33:31,764 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:33:32,395 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2020-10-21 21:33:32,778 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:33:34,154 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:33:35,071 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2020-10-21 21:33:35,673 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-10-21 21:33:36,276 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2020-10-21 21:33:36,533 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-10-21 21:33:36,834 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-21 21:33:37,287 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-10-21 21:33:37,849 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2020-10-21 21:33:38,562 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-10-21 21:33:39,416 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-21 21:33:40,230 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2020-10-21 21:33:40,732 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-10-21 21:33:42,039 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-21 21:33:42,640 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-21 21:33:43,039 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-10-21 21:33:44,007 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 36 [2020-10-21 21:33:44,342 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-10-21 21:33:44,933 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-21 21:33:45,588 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 35 [2020-10-21 21:33:45,926 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-21 21:33:46,240 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-10-21 21:33:46,857 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2020-10-21 21:33:47,264 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-21 21:33:48,339 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-21 21:33:49,177 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-21 21:33:49,741 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2020-10-21 21:33:50,230 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:33:50,666 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:33:51,142 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-21 21:33:52,932 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-21 21:33:53,838 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2020-10-21 21:33:54,547 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-10-21 21:33:55,279 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2020-10-21 21:33:55,564 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-10-21 21:33:55,878 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-21 21:33:56,900 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-10-21 21:33:57,198 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 Received shutdown request... [2020-10-21 21:33:57,708 WARN L210 SmtUtils]: Removed 17 from assertion stack [2020-10-21 21:33:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 563 states. [2020-10-21 21:33:57,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 21:33:57,910 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-21 21:33:57,914 WARN L235 ceAbstractionStarter]: Timeout [2020-10-21 21:33:57,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 09:33:57 BasicIcfg [2020-10-21 21:33:57,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 21:33:57,915 INFO L168 Benchmark]: Toolchain (without parser) took 262985.47 ms. Allocated memory was 148.4 MB in the beginning and 611.3 MB in the end (delta: 462.9 MB). Free memory was 102.3 MB in the beginning and 208.3 MB in the end (delta: -106.0 MB). Peak memory consumption was 356.9 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:57,916 INFO L168 Benchmark]: CDTParser took 3.15 ms. Allocated memory is still 148.4 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 21:33:57,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 947.54 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 135.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:57,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.68 ms. Allocated memory is still 206.0 MB. Free memory was 135.1 MB in the beginning and 132.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:57,916 INFO L168 Benchmark]: Boogie Preprocessor took 44.58 ms. Allocated memory is still 206.0 MB. Free memory was 132.5 MB in the beginning and 129.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:57,917 INFO L168 Benchmark]: RCFGBuilder took 670.11 ms. Allocated memory was 206.0 MB in the beginning and 233.3 MB in the end (delta: 27.3 MB). Free memory was 129.9 MB in the beginning and 192.8 MB in the end (delta: -62.9 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:57,917 INFO L168 Benchmark]: TraceAbstraction took 261239.55 ms. Allocated memory was 233.3 MB in the beginning and 611.3 MB in the end (delta: 378.0 MB). Free memory was 192.8 MB in the beginning and 208.3 MB in the end (delta: -15.5 MB). Peak memory consumption was 362.5 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:57,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.15 ms. Allocated memory is still 148.4 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 947.54 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 135.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 72.68 ms. Allocated memory is still 206.0 MB. Free memory was 135.1 MB in the beginning and 132.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.58 ms. Allocated memory is still 206.0 MB. Free memory was 132.5 MB in the beginning and 129.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 670.11 ms. Allocated memory was 206.0 MB in the beginning and 233.3 MB in the end (delta: 27.3 MB). Free memory was 129.9 MB in the beginning and 192.8 MB in the end (delta: -62.9 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261239.55 ms. Allocated memory was 233.3 MB in the beginning and 611.3 MB in the end (delta: 378.0 MB). Free memory was 192.8 MB in the beginning and 208.3 MB in the end (delta: -15.5 MB). Peak memory consumption was 362.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6473 VarBasedMoverChecksPositive, 132 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 115 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 399 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.4s, 208 PlacesBefore, 53 PlacesAfterwards, 218 TransitionsBefore, 55 TransitionsAfterwards, 10000 CoEnabledTransitionPairs, 7 FixpointIterations, 68 TrivialSequentialCompositions, 100 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 21 ConcurrentYvCompositions, 8 ChoiceCompositions, 203 TotalNumberOfCompositions, 22356 MoverChecksTotal - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was constructing difference of abstraction (1954states) and FLOYD_HOARE automaton (currently 563 states, 69 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 99ms.. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was constructing difference of abstraction (1954states) and FLOYD_HOARE automaton (currently 563 states, 69 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 99ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 202 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 260.9s, OverallIterations: 20, TraceHistogramMax: 16, AutomataDifference: 144.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.5s, HoareTripleCheckerStatistics: 692 SDtfs, 9587 SDslu, 3656 SDs, 0 SdLazy, 8921 SolverSat, 7203 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3457 GetRequests, 2203 SyntacticMatches, 3 SemanticMatches, 1250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221107 ImplicationChecksByTransitivity, 126.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1954occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 19 MinimizatonAttempts, 4325 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 83.2s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 2741 NumberOfCodeBlocks, 2491 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 2705 ConstructedInterpolants, 0 QuantifiedInterpolants, 1331647 SizeOfPredicates, 235 NumberOfNonLiveVariables, 6300 ConjunctsInSsa, 537 ConjunctsInUnsatCore, 36 InterpolantComputations, 4 PerfectInterpolantSequences, 2001/9042 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown