/usr/bin/java -Xmx16000000000 -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-wmm/mix047_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 14:53:29,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 14:53:29,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 14:53:29,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 14:53:29,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 14:53:29,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 14:53:29,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 14:53:29,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 14:53:29,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 14:53:29,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 14:53:29,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 14:53:29,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 14:53:29,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 14:53:29,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 14:53:29,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 14:53:29,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 14:53:29,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 14:53:29,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 14:53:29,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 14:53:29,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 14:53:29,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 14:53:29,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 14:53:29,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 14:53:29,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 14:53:29,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 14:53:29,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 14:53:29,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 14:53:29,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 14:53:29,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 14:53:29,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 14:53:29,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 14:53:29,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 14:53:29,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 14:53:29,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 14:53:29,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 14:53:29,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 14:53:29,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 14:53:29,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 14:53:29,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 14:53:29,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 14:53:29,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 14:53:29,593 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 [2020-10-11 14:53:29,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 14:53:29,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 14:53:29,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 14:53:29,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 14:53:29,650 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 14:53:29,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 14:53:29,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 14:53:29,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 14:53:29,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 14:53:29,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 14:53:29,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 14:53:29,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 14:53:29,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 14:53:29,652 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 14:53:29,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 14:53:29,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 14:53:29,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 14:53:29,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 14:53:29,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 14:53:29,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 14:53:29,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 14:53:29,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 14:53:29,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 14:53:29,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 14:53:29,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 14:53:29,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 14:53:29,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 14:53:29,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 14:53:29,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 14:53:29,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 14:53:30,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 14:53:30,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 14:53:30,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 14:53:30,014 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 14:53:30,014 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 14:53:30,015 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_tso.oepc.i [2020-10-11 14:53:30,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31ca9c693/64946a01db884031a51ecd34b039cad7/FLAGa3c58466b [2020-10-11 14:53:30,629 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 14:53:30,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_tso.oepc.i [2020-10-11 14:53:30,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31ca9c693/64946a01db884031a51ecd34b039cad7/FLAGa3c58466b [2020-10-11 14:53:30,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31ca9c693/64946a01db884031a51ecd34b039cad7 [2020-10-11 14:53:30,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 14:53:30,934 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 14:53:30,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 14:53:30,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 14:53:30,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 14:53:30,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:53:30" (1/1) ... [2020-10-11 14:53:30,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ff41f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:30, skipping insertion in model container [2020-10-11 14:53:30,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:53:30" (1/1) ... [2020-10-11 14:53:30,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 14:53:30,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 14:53:31,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 14:53:31,510 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 14:53:31,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 14:53:31,679 INFO L208 MainTranslator]: Completed translation [2020-10-11 14:53:31,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31 WrapperNode [2020-10-11 14:53:31,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 14:53:31,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 14:53:31,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 14:53:31,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 14:53:31,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (1/1) ... [2020-10-11 14:53:31,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (1/1) ... [2020-10-11 14:53:31,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 14:53:31,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 14:53:31,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 14:53:31,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 14:53:31,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (1/1) ... [2020-10-11 14:53:31,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (1/1) ... [2020-10-11 14:53:31,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (1/1) ... [2020-10-11 14:53:31,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (1/1) ... [2020-10-11 14:53:31,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (1/1) ... [2020-10-11 14:53:31,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (1/1) ... [2020-10-11 14:53:31,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (1/1) ... [2020-10-11 14:53:31,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 14:53:31,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 14:53:31,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 14:53:31,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 14:53:31,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (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 [2020-10-11 14:53:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 14:53:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 14:53:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 14:53:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 14:53:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 14:53:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 14:53:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 14:53:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 14:53:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 14:53:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 14:53:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-11 14:53:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-11 14:53:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 14:53:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 14:53:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 14:53:31,888 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 14:53:33,778 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 14:53:33,778 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-11 14:53:33,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:53:33 BoogieIcfgContainer [2020-10-11 14:53:33,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 14:53:33,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 14:53:33,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 14:53:33,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 14:53:33,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:53:30" (1/3) ... [2020-10-11 14:53:33,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f83d3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:53:33, skipping insertion in model container [2020-10-11 14:53:33,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:31" (2/3) ... [2020-10-11 14:53:33,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f83d3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:53:33, skipping insertion in model container [2020-10-11 14:53:33,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:53:33" (3/3) ... [2020-10-11 14:53:33,789 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_tso.oepc.i [2020-10-11 14:53:33,801 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 14:53:33,801 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 14:53:33,809 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 14:53:33,810 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 14:53:33,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,840 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,842 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,842 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,847 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,847 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,847 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,848 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,854 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,855 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,855 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,855 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,860 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,860 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,864 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,865 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,867 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,868 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,869 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 14:53:33,885 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-11 14:53:33,907 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 14:53:33,907 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 14:53:33,907 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 14:53:33,907 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 14:53:33,907 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 14:53:33,908 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 14:53:33,908 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 14:53:33,908 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 14:53:33,922 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 14:53:33,926 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 242 flow [2020-10-11 14:53:33,929 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 242 flow [2020-10-11 14:53:33,931 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 242 flow [2020-10-11 14:53:33,987 INFO L129 PetriNetUnfolder]: 2/107 cut-off events. [2020-10-11 14:53:33,988 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 14:53:33,994 INFO L80 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 107 events. 2/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-11 14:53:33,999 INFO L117 LiptonReduction]: Number of co-enabled transitions 2540 [2020-10-11 14:53:34,091 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,091 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,093 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,094 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,134 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,134 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,136 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 5, 1] term [2020-10-11 14:53:34,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,235 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,296 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,297 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,298 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,299 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,303 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,304 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:34,306 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,306 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:34,310 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,310 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:34,313 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-11 14:53:34,314 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,318 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,320 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,321 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,374 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,375 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,376 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,376 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,379 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-11 14:53:34,380 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-11 14:53:34,383 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-11 14:53:34,384 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,482 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,482 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,483 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,484 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,506 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,506 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,507 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,507 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,531 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,532 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,533 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,533 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,535 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,536 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 14:53:34,538 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 14:53:34,538 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 14:53:34,553 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,554 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,555 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,557 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,558 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 14:53:34,560 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 14:53:34,560 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 14:53:34,605 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 14:53:34,605 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,606 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,606 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,608 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,609 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 14:53:34,611 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 14:53:34,611 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 14:53:34,627 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,627 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,628 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,628 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,630 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 14:53:34,632 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-11 14:53:34,633 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 14:53:34,662 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,663 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,664 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,686 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,687 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,688 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,720 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,722 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,722 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,739 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,740 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,740 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,868 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,869 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,870 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,870 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,889 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,889 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,890 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,890 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,940 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:34,941 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,942 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:34,942 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,945 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-11 14:53:34,945 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-11 14:53:34,948 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-11 14:53:34,948 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,979 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-11 14:53:34,979 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:34,994 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:34,996 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:34,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,001 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:35,001 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:35,003 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:35,004 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:35,005 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:35,006 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:35,010 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-11 14:53:35,011 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,015 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-11 14:53:35,015 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,017 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-11 14:53:35,018 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,071 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:35,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,072 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:35,073 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,101 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:35,102 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,104 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:35,104 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,177 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:35,178 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:35,179 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 5, 1] term [2020-10-11 14:53:35,180 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:35,207 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:35,208 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,210 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:35,210 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,478 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-10-11 14:53:35,508 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:35,508 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,509 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:35,509 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,527 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:35,527 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,528 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:35,529 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:35,933 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-11 14:53:36,264 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-11 14:53:36,280 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-11 14:53:36,280 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:36,326 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 2, 1] term [2020-10-11 14:53:36,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,327 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:36,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,345 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,345 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,346 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:36,346 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,355 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-11 14:53:36,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,356 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-11 14:53:36,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,357 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-11 14:53:36,357 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,381 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,381 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,382 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:36,382 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,404 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,404 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,405 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:36,405 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,479 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,479 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:36,486 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,486 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,487 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,487 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,490 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,491 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:36,493 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,494 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:36,496 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,496 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:36,498 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-11 14:53:36,499 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,501 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,502 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,504 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,504 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,551 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,552 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,552 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:36,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,556 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-11 14:53:36,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-11 14:53:36,559 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-11 14:53:36,559 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,653 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-11 14:53:36,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:36,678 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,678 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,679 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:36,679 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,740 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,741 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:36,742 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,792 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,794 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:36,794 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,796 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 6, 5, 6, 5, 1] term [2020-10-11 14:53:36,797 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-11 14:53:36,799 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-11 14:53:36,799 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,841 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,841 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:36,848 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,848 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,849 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,850 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,853 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,854 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:36,856 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,856 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:36,858 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 6, 5, 6, 5, 3, 2, 3, 2, 1] term [2020-10-11 14:53:36,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-11 14:53:36,861 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 6, 5, 5, 3, 3, 2, 1] term [2020-10-11 14:53:36,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,865 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,865 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,867 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 5, 6, 5, 6, 5, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,867 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,912 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,912 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,913 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:36,914 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,934 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:36,935 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:36,935 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:36,935 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:37,020 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:37,021 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:37,021 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:37,022 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:37,040 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:37,041 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:37,041 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:37,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:37,249 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:37,250 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:37,251 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:37,251 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:37,267 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 3, 2, 1] term [2020-10-11 14:53:37,268 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:37,269 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-11 14:53:37,269 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-11 14:53:37,498 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-11 14:53:37,498 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 14:53:37,963 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-11 14:53:38,106 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-11 14:53:38,348 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-10-11 14:53:38,474 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-11 14:53:38,483 INFO L132 LiptonReduction]: Checked pairs total: 6958 [2020-10-11 14:53:38,484 INFO L134 LiptonReduction]: Total number of compositions: 88 [2020-10-11 14:53:38,490 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 34 transitions, 88 flow [2020-10-11 14:53:38,726 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3562 states. [2020-10-11 14:53:38,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states. [2020-10-11 14:53:38,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-11 14:53:38,741 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:38,742 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:38,742 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:38,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:38,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1430044184, now seen corresponding path program 1 times [2020-10-11 14:53:38,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:38,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950122664] [2020-10-11 14:53:38,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:39,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950122664] [2020-10-11 14:53:39,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:39,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-11 14:53:39,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701430392] [2020-10-11 14:53:39,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 14:53:39,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:39,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 14:53:39,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 14:53:39,047 INFO L87 Difference]: Start difference. First operand 3562 states. Second operand 3 states. [2020-10-11 14:53:39,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:39,221 INFO L93 Difference]: Finished difference Result 3082 states and 12048 transitions. [2020-10-11 14:53:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 14:53:39,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-11 14:53:39,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:39,279 INFO L225 Difference]: With dead ends: 3082 [2020-10-11 14:53:39,279 INFO L226 Difference]: Without dead ends: 2602 [2020-10-11 14:53:39,280 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 14:53:39,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2020-10-11 14:53:39,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2602. [2020-10-11 14:53:39,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2602 states. [2020-10-11 14:53:39,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 10064 transitions. [2020-10-11 14:53:39,491 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 10064 transitions. Word has length 9 [2020-10-11 14:53:39,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:39,493 INFO L481 AbstractCegarLoop]: Abstraction has 2602 states and 10064 transitions. [2020-10-11 14:53:39,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 14:53:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 10064 transitions. [2020-10-11 14:53:39,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-11 14:53:39,503 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:39,503 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:39,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 14:53:39,503 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:39,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:39,504 INFO L82 PathProgramCache]: Analyzing trace with hash 667621438, now seen corresponding path program 1 times [2020-10-11 14:53:39,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:39,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062603710] [2020-10-11 14:53:39,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:39,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:39,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062603710] [2020-10-11 14:53:39,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:39,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 14:53:39,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817615108] [2020-10-11 14:53:39,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 14:53:39,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:39,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 14:53:39,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 14:53:39,689 INFO L87 Difference]: Start difference. First operand 2602 states and 10064 transitions. Second operand 4 states. [2020-10-11 14:53:39,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:39,777 INFO L93 Difference]: Finished difference Result 2986 states and 11176 transitions. [2020-10-11 14:53:39,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 14:53:39,778 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-11 14:53:39,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:39,804 INFO L225 Difference]: With dead ends: 2986 [2020-10-11 14:53:39,805 INFO L226 Difference]: Without dead ends: 2506 [2020-10-11 14:53:39,806 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 14:53:39,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2020-10-11 14:53:39,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2506. [2020-10-11 14:53:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2506 states. [2020-10-11 14:53:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 9624 transitions. [2020-10-11 14:53:39,920 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 9624 transitions. Word has length 12 [2020-10-11 14:53:39,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:39,921 INFO L481 AbstractCegarLoop]: Abstraction has 2506 states and 9624 transitions. [2020-10-11 14:53:39,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 14:53:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 9624 transitions. [2020-10-11 14:53:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 14:53:39,923 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:39,923 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:39,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 14:53:39,924 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:39,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:39,924 INFO L82 PathProgramCache]: Analyzing trace with hash -807545516, now seen corresponding path program 1 times [2020-10-11 14:53:39,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:39,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891453169] [2020-10-11 14:53:39,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:40,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891453169] [2020-10-11 14:53:40,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:40,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 14:53:40,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330833461] [2020-10-11 14:53:40,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 14:53:40,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:40,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 14:53:40,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 14:53:40,057 INFO L87 Difference]: Start difference. First operand 2506 states and 9624 transitions. Second operand 4 states. [2020-10-11 14:53:40,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:40,118 INFO L93 Difference]: Finished difference Result 2650 states and 9876 transitions. [2020-10-11 14:53:40,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 14:53:40,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-11 14:53:40,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:40,140 INFO L225 Difference]: With dead ends: 2650 [2020-10-11 14:53:40,140 INFO L226 Difference]: Without dead ends: 2218 [2020-10-11 14:53:40,141 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 14:53:40,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2020-10-11 14:53:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 2218. [2020-10-11 14:53:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2218 states. [2020-10-11 14:53:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 2218 states and 8400 transitions. [2020-10-11 14:53:40,237 INFO L78 Accepts]: Start accepts. Automaton has 2218 states and 8400 transitions. Word has length 13 [2020-10-11 14:53:40,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:40,238 INFO L481 AbstractCegarLoop]: Abstraction has 2218 states and 8400 transitions. [2020-10-11 14:53:40,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 14:53:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 8400 transitions. [2020-10-11 14:53:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-11 14:53:40,241 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:40,241 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:40,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 14:53:40,242 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:40,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:40,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1163919253, now seen corresponding path program 1 times [2020-10-11 14:53:40,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:40,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569783603] [2020-10-11 14:53:40,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:40,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569783603] [2020-10-11 14:53:40,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:40,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 14:53:40,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523384576] [2020-10-11 14:53:40,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 14:53:40,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:40,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 14:53:40,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 14:53:40,437 INFO L87 Difference]: Start difference. First operand 2218 states and 8400 transitions. Second operand 4 states. [2020-10-11 14:53:40,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:40,488 INFO L93 Difference]: Finished difference Result 2410 states and 8912 transitions. [2020-10-11 14:53:40,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 14:53:40,488 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-11 14:53:40,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:40,505 INFO L225 Difference]: With dead ends: 2410 [2020-10-11 14:53:40,505 INFO L226 Difference]: Without dead ends: 2154 [2020-10-11 14:53:40,506 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 14:53:40,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2020-10-11 14:53:40,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 2154. [2020-10-11 14:53:40,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2154 states. [2020-10-11 14:53:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 8112 transitions. [2020-10-11 14:53:40,577 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 8112 transitions. Word has length 15 [2020-10-11 14:53:40,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:40,578 INFO L481 AbstractCegarLoop]: Abstraction has 2154 states and 8112 transitions. [2020-10-11 14:53:40,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 14:53:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 8112 transitions. [2020-10-11 14:53:40,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-11 14:53:40,581 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:40,582 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:40,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 14:53:40,582 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:40,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:40,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1542213664, now seen corresponding path program 1 times [2020-10-11 14:53:40,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:40,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588026835] [2020-10-11 14:53:40,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:40,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:40,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588026835] [2020-10-11 14:53:40,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:40,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 14:53:40,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205832515] [2020-10-11 14:53:40,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 14:53:40,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:40,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 14:53:40,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 14:53:40,664 INFO L87 Difference]: Start difference. First operand 2154 states and 8112 transitions. Second operand 4 states. [2020-10-11 14:53:40,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:40,722 INFO L93 Difference]: Finished difference Result 3274 states and 11856 transitions. [2020-10-11 14:53:40,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 14:53:40,723 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-11 14:53:40,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:40,740 INFO L225 Difference]: With dead ends: 3274 [2020-10-11 14:53:40,740 INFO L226 Difference]: Without dead ends: 2346 [2020-10-11 14:53:40,741 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 14:53:40,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2020-10-11 14:53:40,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2090. [2020-10-11 14:53:40,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2090 states. [2020-10-11 14:53:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 7536 transitions. [2020-10-11 14:53:40,808 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 7536 transitions. Word has length 16 [2020-10-11 14:53:40,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:40,808 INFO L481 AbstractCegarLoop]: Abstraction has 2090 states and 7536 transitions. [2020-10-11 14:53:40,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 14:53:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 7536 transitions. [2020-10-11 14:53:40,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-11 14:53:40,812 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:40,812 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:40,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 14:53:40,813 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:40,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:40,813 INFO L82 PathProgramCache]: Analyzing trace with hash 698962532, now seen corresponding path program 1 times [2020-10-11 14:53:40,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:40,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731613338] [2020-10-11 14:53:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:40,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731613338] [2020-10-11 14:53:40,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:40,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 14:53:40,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107302235] [2020-10-11 14:53:40,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 14:53:40,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:40,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 14:53:40,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-11 14:53:40,931 INFO L87 Difference]: Start difference. First operand 2090 states and 7536 transitions. Second operand 6 states. [2020-10-11 14:53:41,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:41,126 INFO L93 Difference]: Finished difference Result 2554 states and 9136 transitions. [2020-10-11 14:53:41,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 14:53:41,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-11 14:53:41,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:41,143 INFO L225 Difference]: With dead ends: 2554 [2020-10-11 14:53:41,143 INFO L226 Difference]: Without dead ends: 2330 [2020-10-11 14:53:41,144 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-11 14:53:41,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2020-10-11 14:53:41,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 2330. [2020-10-11 14:53:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2330 states. [2020-10-11 14:53:41,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 8424 transitions. [2020-10-11 14:53:41,217 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 8424 transitions. Word has length 16 [2020-10-11 14:53:41,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:41,218 INFO L481 AbstractCegarLoop]: Abstraction has 2330 states and 8424 transitions. [2020-10-11 14:53:41,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 14:53:41,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 8424 transitions. [2020-10-11 14:53:41,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-11 14:53:41,222 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:41,222 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:41,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 14:53:41,222 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:41,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:41,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1090591274, now seen corresponding path program 2 times [2020-10-11 14:53:41,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:41,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907579452] [2020-10-11 14:53:41,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:41,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:41,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907579452] [2020-10-11 14:53:41,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:41,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 14:53:41,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574451882] [2020-10-11 14:53:41,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 14:53:41,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:41,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 14:53:41,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-11 14:53:41,367 INFO L87 Difference]: Start difference. First operand 2330 states and 8424 transitions. Second operand 6 states. [2020-10-11 14:53:41,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:41,500 INFO L93 Difference]: Finished difference Result 2498 states and 8860 transitions. [2020-10-11 14:53:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 14:53:41,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-11 14:53:41,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:41,521 INFO L225 Difference]: With dead ends: 2498 [2020-10-11 14:53:41,521 INFO L226 Difference]: Without dead ends: 2274 [2020-10-11 14:53:41,522 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-11 14:53:41,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-10-11 14:53:41,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 2274. [2020-10-11 14:53:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2274 states. [2020-10-11 14:53:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 8176 transitions. [2020-10-11 14:53:41,587 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 8176 transitions. Word has length 16 [2020-10-11 14:53:41,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:41,588 INFO L481 AbstractCegarLoop]: Abstraction has 2274 states and 8176 transitions. [2020-10-11 14:53:41,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 14:53:41,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 8176 transitions. [2020-10-11 14:53:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-11 14:53:41,593 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:41,593 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:41,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 14:53:41,593 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:41,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:41,594 INFO L82 PathProgramCache]: Analyzing trace with hash 2030793214, now seen corresponding path program 1 times [2020-10-11 14:53:41,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:41,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708876495] [2020-10-11 14:53:41,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:41,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708876495] [2020-10-11 14:53:41,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:41,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 14:53:41,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417190905] [2020-10-11 14:53:41,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 14:53:41,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:41,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 14:53:41,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-11 14:53:41,757 INFO L87 Difference]: Start difference. First operand 2274 states and 8176 transitions. Second operand 7 states. [2020-10-11 14:53:41,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:41,958 INFO L93 Difference]: Finished difference Result 2754 states and 9778 transitions. [2020-10-11 14:53:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 14:53:41,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-11 14:53:41,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:41,968 INFO L225 Difference]: With dead ends: 2754 [2020-10-11 14:53:41,968 INFO L226 Difference]: Without dead ends: 2586 [2020-10-11 14:53:41,969 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-11 14:53:41,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2586 states. [2020-10-11 14:53:42,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2586 to 2194. [2020-10-11 14:53:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2194 states. [2020-10-11 14:53:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 2194 states and 7820 transitions. [2020-10-11 14:53:42,038 INFO L78 Accepts]: Start accepts. Automaton has 2194 states and 7820 transitions. Word has length 17 [2020-10-11 14:53:42,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:42,039 INFO L481 AbstractCegarLoop]: Abstraction has 2194 states and 7820 transitions. [2020-10-11 14:53:42,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 14:53:42,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 7820 transitions. [2020-10-11 14:53:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-11 14:53:42,043 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:42,044 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:42,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 14:53:42,044 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:42,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:42,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1282570242, now seen corresponding path program 2 times [2020-10-11 14:53:42,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:42,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873062312] [2020-10-11 14:53:42,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:42,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873062312] [2020-10-11 14:53:42,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:42,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 14:53:42,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011859541] [2020-10-11 14:53:42,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 14:53:42,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:42,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 14:53:42,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-11 14:53:42,209 INFO L87 Difference]: Start difference. First operand 2194 states and 7820 transitions. Second operand 7 states. [2020-10-11 14:53:42,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:42,369 INFO L93 Difference]: Finished difference Result 2306 states and 8078 transitions. [2020-10-11 14:53:42,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 14:53:42,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-11 14:53:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:42,378 INFO L225 Difference]: With dead ends: 2306 [2020-10-11 14:53:42,378 INFO L226 Difference]: Without dead ends: 2138 [2020-10-11 14:53:42,379 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-11 14:53:42,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2020-10-11 14:53:42,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1978. [2020-10-11 14:53:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1978 states. [2020-10-11 14:53:42,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 7040 transitions. [2020-10-11 14:53:42,439 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 7040 transitions. Word has length 17 [2020-10-11 14:53:42,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:42,439 INFO L481 AbstractCegarLoop]: Abstraction has 1978 states and 7040 transitions. [2020-10-11 14:53:42,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 14:53:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 7040 transitions. [2020-10-11 14:53:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-11 14:53:42,444 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:42,444 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:42,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 14:53:42,445 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:42,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:42,445 INFO L82 PathProgramCache]: Analyzing trace with hash 336259331, now seen corresponding path program 1 times [2020-10-11 14:53:42,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:42,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027494127] [2020-10-11 14:53:42,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:42,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027494127] [2020-10-11 14:53:42,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:42,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 14:53:42,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36114262] [2020-10-11 14:53:42,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 14:53:42,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:42,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 14:53:42,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 14:53:42,522 INFO L87 Difference]: Start difference. First operand 1978 states and 7040 transitions. Second operand 4 states. [2020-10-11 14:53:42,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:42,564 INFO L93 Difference]: Finished difference Result 2028 states and 6568 transitions. [2020-10-11 14:53:42,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 14:53:42,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-11 14:53:42,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:42,569 INFO L225 Difference]: With dead ends: 2028 [2020-10-11 14:53:42,570 INFO L226 Difference]: Without dead ends: 1548 [2020-10-11 14:53:42,570 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 14:53:42,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2020-10-11 14:53:42,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1548. [2020-10-11 14:53:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1548 states. [2020-10-11 14:53:42,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1548 states and 4980 transitions. [2020-10-11 14:53:42,610 INFO L78 Accepts]: Start accepts. Automaton has 1548 states and 4980 transitions. Word has length 18 [2020-10-11 14:53:42,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:42,611 INFO L481 AbstractCegarLoop]: Abstraction has 1548 states and 4980 transitions. [2020-10-11 14:53:42,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 14:53:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 4980 transitions. [2020-10-11 14:53:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-11 14:53:42,615 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:42,615 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:42,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 14:53:42,615 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:42,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:42,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1602332560, now seen corresponding path program 1 times [2020-10-11 14:53:42,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:42,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300109781] [2020-10-11 14:53:42,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:42,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300109781] [2020-10-11 14:53:42,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:42,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 14:53:42,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701952658] [2020-10-11 14:53:42,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 14:53:42,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:42,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 14:53:42,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-11 14:53:42,703 INFO L87 Difference]: Start difference. First operand 1548 states and 4980 transitions. Second operand 5 states. [2020-10-11 14:53:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:42,762 INFO L93 Difference]: Finished difference Result 1302 states and 3808 transitions. [2020-10-11 14:53:42,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 14:53:42,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-11 14:53:42,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:42,767 INFO L225 Difference]: With dead ends: 1302 [2020-10-11 14:53:42,767 INFO L226 Difference]: Without dead ends: 1002 [2020-10-11 14:53:42,768 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-11 14:53:42,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2020-10-11 14:53:42,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 1002. [2020-10-11 14:53:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1002 states. [2020-10-11 14:53:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 2874 transitions. [2020-10-11 14:53:42,799 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 2874 transitions. Word has length 19 [2020-10-11 14:53:42,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:42,799 INFO L481 AbstractCegarLoop]: Abstraction has 1002 states and 2874 transitions. [2020-10-11 14:53:42,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 14:53:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 2874 transitions. [2020-10-11 14:53:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-11 14:53:42,803 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:42,804 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:42,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 14:53:42,804 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:42,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:42,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1622927393, now seen corresponding path program 1 times [2020-10-11 14:53:42,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:42,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177006256] [2020-10-11 14:53:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:42,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177006256] [2020-10-11 14:53:42,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:42,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 14:53:42,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514855629] [2020-10-11 14:53:42,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 14:53:42,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:42,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 14:53:42,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 14:53:42,869 INFO L87 Difference]: Start difference. First operand 1002 states and 2874 transitions. Second operand 5 states. [2020-10-11 14:53:42,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:42,913 INFO L93 Difference]: Finished difference Result 1381 states and 3859 transitions. [2020-10-11 14:53:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 14:53:42,913 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-11 14:53:42,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:42,917 INFO L225 Difference]: With dead ends: 1381 [2020-10-11 14:53:42,918 INFO L226 Difference]: Without dead ends: 1044 [2020-10-11 14:53:42,918 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-11 14:53:42,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2020-10-11 14:53:42,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1002. [2020-10-11 14:53:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1002 states. [2020-10-11 14:53:42,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 2794 transitions. [2020-10-11 14:53:42,942 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 2794 transitions. Word has length 21 [2020-10-11 14:53:42,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:42,943 INFO L481 AbstractCegarLoop]: Abstraction has 1002 states and 2794 transitions. [2020-10-11 14:53:42,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 14:53:42,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 2794 transitions. [2020-10-11 14:53:42,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-11 14:53:42,945 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:42,945 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:42,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-11 14:53:42,946 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:42,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:42,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1096349146, now seen corresponding path program 1 times [2020-10-11 14:53:42,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:42,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531960464] [2020-10-11 14:53:42,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:43,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531960464] [2020-10-11 14:53:43,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:43,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 14:53:43,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23549808] [2020-10-11 14:53:43,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 14:53:43,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:43,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 14:53:43,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 14:53:43,005 INFO L87 Difference]: Start difference. First operand 1002 states and 2794 transitions. Second operand 4 states. [2020-10-11 14:53:43,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:43,041 INFO L93 Difference]: Finished difference Result 1465 states and 3892 transitions. [2020-10-11 14:53:43,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 14:53:43,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-11 14:53:43,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:43,044 INFO L225 Difference]: With dead ends: 1465 [2020-10-11 14:53:43,044 INFO L226 Difference]: Without dead ends: 1002 [2020-10-11 14:53:43,045 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 14:53:43,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2020-10-11 14:53:43,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 966. [2020-10-11 14:53:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2020-10-11 14:53:43,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 2522 transitions. [2020-10-11 14:53:43,067 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 2522 transitions. Word has length 21 [2020-10-11 14:53:43,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:43,068 INFO L481 AbstractCegarLoop]: Abstraction has 966 states and 2522 transitions. [2020-10-11 14:53:43,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 14:53:43,068 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 2522 transitions. [2020-10-11 14:53:43,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-11 14:53:43,071 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:43,071 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 14:53:43,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 14:53:43,071 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:43,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:43,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1643789257, now seen corresponding path program 1 times [2020-10-11 14:53:43,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:43,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519912292] [2020-10-11 14:53:43,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:43,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519912292] [2020-10-11 14:53:43,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:43,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 14:53:43,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981134891] [2020-10-11 14:53:43,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 14:53:43,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:43,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 14:53:43,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-11 14:53:43,151 INFO L87 Difference]: Start difference. First operand 966 states and 2522 transitions. Second operand 6 states. [2020-10-11 14:53:43,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:43,230 INFO L93 Difference]: Finished difference Result 817 states and 2070 transitions. [2020-10-11 14:53:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 14:53:43,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-11 14:53:43,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:43,232 INFO L225 Difference]: With dead ends: 817 [2020-10-11 14:53:43,233 INFO L226 Difference]: Without dead ends: 513 [2020-10-11 14:53:43,233 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-11 14:53:43,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2020-10-11 14:53:43,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2020-10-11 14:53:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-10-11 14:53:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 1212 transitions. [2020-10-11 14:53:43,244 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 1212 transitions. Word has length 21 [2020-10-11 14:53:43,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:43,245 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 1212 transitions. [2020-10-11 14:53:43,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 14:53:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1212 transitions. [2020-10-11 14:53:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-11 14:53:43,246 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:43,247 INFO L421 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] [2020-10-11 14:53:43,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-11 14:53:43,247 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:43,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:43,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1155030226, now seen corresponding path program 1 times [2020-10-11 14:53:43,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:43,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304911162] [2020-10-11 14:53:43,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:43,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304911162] [2020-10-11 14:53:43,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:43,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 14:53:43,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743553137] [2020-10-11 14:53:43,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-11 14:53:43,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:43,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-11 14:53:43,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-11 14:53:43,394 INFO L87 Difference]: Start difference. First operand 513 states and 1212 transitions. Second operand 8 states. [2020-10-11 14:53:43,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:43,604 INFO L93 Difference]: Finished difference Result 632 states and 1449 transitions. [2020-10-11 14:53:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 14:53:43,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-10-11 14:53:43,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:43,606 INFO L225 Difference]: With dead ends: 632 [2020-10-11 14:53:43,606 INFO L226 Difference]: Without dead ends: 328 [2020-10-11 14:53:43,607 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-11 14:53:43,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-11 14:53:43,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 322. [2020-10-11 14:53:43,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-10-11 14:53:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 700 transitions. [2020-10-11 14:53:43,616 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 700 transitions. Word has length 24 [2020-10-11 14:53:43,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:43,616 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 700 transitions. [2020-10-11 14:53:43,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-11 14:53:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 700 transitions. [2020-10-11 14:53:43,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-11 14:53:43,618 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:43,618 INFO L421 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] [2020-10-11 14:53:43,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-11 14:53:43,619 INFO L429 AbstractCegarLoop]: === Iteration 16 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:43,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:43,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1352959002, now seen corresponding path program 1 times [2020-10-11 14:53:43,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:43,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132605594] [2020-10-11 14:53:43,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 14:53:43,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 14:53:43,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132605594] [2020-10-11 14:53:43,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 14:53:43,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 14:53:43,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712851093] [2020-10-11 14:53:43,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 14:53:43,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 14:53:43,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 14:53:43,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-11 14:53:43,732 INFO L87 Difference]: Start difference. First operand 322 states and 700 transitions. Second operand 7 states. [2020-10-11 14:53:43,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 14:53:43,803 INFO L93 Difference]: Finished difference Result 293 states and 643 transitions. [2020-10-11 14:53:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 14:53:43,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-11 14:53:43,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 14:53:43,805 INFO L225 Difference]: With dead ends: 293 [2020-10-11 14:53:43,805 INFO L226 Difference]: Without dead ends: 65 [2020-10-11 14:53:43,805 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-11 14:53:43,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-11 14:53:43,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-11 14:53:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-11 14:53:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 123 transitions. [2020-10-11 14:53:43,808 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 123 transitions. Word has length 24 [2020-10-11 14:53:43,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 14:53:43,808 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 123 transitions. [2020-10-11 14:53:43,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 14:53:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 123 transitions. [2020-10-11 14:53:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-11 14:53:43,809 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 14:53:43,809 INFO L421 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] [2020-10-11 14:53:43,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-11 14:53:43,810 INFO L429 AbstractCegarLoop]: === Iteration 17 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 14:53:43,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 14:53:43,810 INFO L82 PathProgramCache]: Analyzing trace with hash 743532320, now seen corresponding path program 1 times [2020-10-11 14:53:43,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 14:53:43,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480610664] [2020-10-11 14:53:43,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 14:53:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 14:53:43,851 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 14:53:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 14:53:43,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 14:53:43,928 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 14:53:43,929 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 14:53:43,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-11 14:53:43,952 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,952 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,954 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,954 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,955 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,955 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,955 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,955 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,955 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,956 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,956 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,956 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,957 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,957 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,957 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,957 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,957 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,957 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,958 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,958 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,958 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,958 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,959 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,959 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,959 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,959 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,961 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,961 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,961 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,961 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,961 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,962 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,962 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,962 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,962 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,962 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,963 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,963 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,963 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,963 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,964 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,964 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,964 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,964 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,964 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,965 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,965 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,965 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:43,965 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 14:53:43,966 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 14:53:44,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:53:44 BasicIcfg [2020-10-11 14:53:44,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 14:53:44,071 INFO L168 Benchmark]: Toolchain (without parser) took 13138.14 ms. Allocated memory was 248.5 MB in the beginning and 619.7 MB in the end (delta: 371.2 MB). Free memory was 203.6 MB in the beginning and 153.5 MB in the end (delta: 50.1 MB). Peak memory consumption was 421.3 MB. Max. memory is 14.2 GB. [2020-10-11 14:53:44,071 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 14:53:44,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.98 ms. Allocated memory was 248.5 MB in the beginning and 304.1 MB in the end (delta: 55.6 MB). Free memory was 203.6 MB in the beginning and 249.9 MB in the end (delta: -46.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. [2020-10-11 14:53:44,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.53 ms. Allocated memory is still 304.1 MB. Free memory was 249.9 MB in the beginning and 247.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 14:53:44,077 INFO L168 Benchmark]: Boogie Preprocessor took 69.15 ms. Allocated memory is still 304.1 MB. Free memory was 247.3 MB in the beginning and 244.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 14:53:44,078 INFO L168 Benchmark]: RCFGBuilder took 1966.71 ms. Allocated memory was 304.1 MB in the beginning and 355.5 MB in the end (delta: 51.4 MB). Free memory was 244.8 MB in the beginning and 197.1 MB in the end (delta: 47.8 MB). Peak memory consumption was 99.1 MB. Max. memory is 14.2 GB. [2020-10-11 14:53:44,079 INFO L168 Benchmark]: TraceAbstraction took 10285.61 ms. Allocated memory was 355.5 MB in the beginning and 619.7 MB in the end (delta: 264.2 MB). Free memory was 197.1 MB in the beginning and 153.5 MB in the end (delta: 43.6 MB). Peak memory consumption was 307.8 MB. Max. memory is 14.2 GB. [2020-10-11 14:53:44,088 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 743.98 ms. Allocated memory was 248.5 MB in the beginning and 304.1 MB in the end (delta: 55.6 MB). Free memory was 203.6 MB in the beginning and 249.9 MB in the end (delta: -46.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 62.53 ms. Allocated memory is still 304.1 MB. Free memory was 249.9 MB in the beginning and 247.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 69.15 ms. Allocated memory is still 304.1 MB. Free memory was 247.3 MB in the beginning and 244.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1966.71 ms. Allocated memory was 304.1 MB in the beginning and 355.5 MB in the end (delta: 51.4 MB). Free memory was 244.8 MB in the beginning and 197.1 MB in the end (delta: 47.8 MB). Peak memory consumption was 99.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 10285.61 ms. Allocated memory was 355.5 MB in the beginning and 619.7 MB in the end (delta: 264.2 MB). Free memory was 197.1 MB in the beginning and 153.5 MB in the end (delta: 43.6 MB). Peak memory consumption was 307.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1640 VarBasedMoverChecksPositive, 60 VarBasedMoverChecksNegative, 15 SemBasedMoverChecksPositive, 45 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.8s, 209 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.5s, 122 PlacesBefore, 46 PlacesAfterwards, 111 TransitionsBefore, 34 TransitionsAfterwards, 2540 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 88 TotalNumberOfCompositions, 6958 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p3_EAX = 0; [L703] 0 int __unbuffered_p3_EBX = 0; [L705] 0 int a = 0; [L707] 0 int b = 0; [L708] 0 _Bool main$tmp_guard0; [L709] 0 _Bool main$tmp_guard1; [L711] 0 int x = 0; [L713] 0 int y = 0; [L715] 0 int z = 0; [L716] 0 _Bool z$flush_delayed; [L717] 0 int z$mem_tmp; [L718] 0 _Bool z$r_buff0_thd0; [L719] 0 _Bool z$r_buff0_thd1; [L720] 0 _Bool z$r_buff0_thd2; [L721] 0 _Bool z$r_buff0_thd3; [L722] 0 _Bool z$r_buff0_thd4; [L723] 0 _Bool z$r_buff1_thd0; [L724] 0 _Bool z$r_buff1_thd1; [L725] 0 _Bool z$r_buff1_thd2; [L726] 0 _Bool z$r_buff1_thd3; [L727] 0 _Bool z$r_buff1_thd4; [L728] 0 _Bool z$read_delayed; [L729] 0 int *z$read_delayed_var; [L730] 0 int z$w_buff0; [L731] 0 _Bool z$w_buff0_used; [L732] 0 int z$w_buff1; [L733] 0 _Bool z$w_buff1_used; [L734] 0 _Bool weak$$choice0; [L735] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1273; [L834] FCALL, FORK 0 pthread_create(&t1273, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L835] 0 pthread_t t1274; [L836] FCALL, FORK 0 pthread_create(&t1274, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L837] 0 pthread_t t1275; [L838] FCALL, FORK 0 pthread_create(&t1275, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L839] 0 pthread_t t1276; [L840] FCALL, FORK 0 pthread_create(&t1276, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L789] 4 z$w_buff1 = z$w_buff0 [L790] 4 z$w_buff0 = 2 [L791] 4 z$w_buff1_used = z$w_buff0_used [L792] 4 z$w_buff0_used = (_Bool)1 [L7] COND TRUE 4 !expression [L7] 4 __VERIFIER_error() [L794] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L795] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L796] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L797] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L798] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L799] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 a = 1 [L805] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L808] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L739] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L742] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L747] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L749] 1 return 0; [L757] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 2 return 0; [L769] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L811] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L811] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L812] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L812] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L813] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L813] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L814] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L814] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L815] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L815] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L818] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 4 return 0; [L775] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L775] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L776] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L776] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L777] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L777] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L778] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L778] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L779] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L779] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L782] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L784] 3 return 0; [L842] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L846] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L846] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L846] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L846] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L847] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L848] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L849] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L850] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L853] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L854] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L855] 0 z$flush_delayed = weak$$choice2 [L856] 0 z$mem_tmp = z [L857] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1 [L857] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L857] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L858] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L858] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L858] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L858] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L859] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L859] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L859] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L859] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L860] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L860] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L861] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L861] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L862] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L863] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L863] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L865] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L865] 0 z = z$flush_delayed ? z$mem_tmp : z [L866] 0 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 110 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.0s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 660 SDtfs, 773 SDslu, 1302 SDs, 0 SdLazy, 439 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3562occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 892 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 25024 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! Received shutdown request...