/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix011_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:16:18,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:16:18,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:16:18,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:16:18,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:16:18,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:16:18,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:16:18,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:16:18,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:16:18,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:16:18,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:16:18,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:16:18,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:16:18,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:16:18,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:16:18,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:16:18,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:16:18,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:16:18,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:16:18,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:16:18,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:16:18,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:16:18,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:16:18,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:16:18,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 01:16:18,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 01:16:18,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 01:16:18,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 01:16:18,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 01:16:18,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 01:16:18,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 01:16:18,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 01:16:18,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 01:16:18,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:16:18,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:16:18,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:16:18,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-16 01:16:18,864 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:16:18,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:16:18,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:16:18,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:16:18,867 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:16:18,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:16:18,868 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:16:18,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:16:18,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:16:18,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:16:18,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:16:18,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:16:18,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:16:18,870 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:16:18,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:16:18,871 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:16:18,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:16:18,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:16:18,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:16:18,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:16:18,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:16:18,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:16:18,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:16:18,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:16:18,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:16:18,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:16:18,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:16:18,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:16:18,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:16:19,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:16:19,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:16:19,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:16:19,216 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:16:19,217 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:16:19,217 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix011_rmo.opt.i [2020-10-16 01:16:19,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672d88adc/6bc29b06103d401789cf4b4fc30808e4/FLAGaa3a41a6b [2020-10-16 01:16:19,730 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:16:19,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_rmo.opt.i [2020-10-16 01:16:19,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672d88adc/6bc29b06103d401789cf4b4fc30808e4/FLAGaa3a41a6b [2020-10-16 01:16:20,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672d88adc/6bc29b06103d401789cf4b4fc30808e4 [2020-10-16 01:16:20,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:16:20,035 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:16:20,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:16:20,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:16:20,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:16:20,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce78c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20, skipping insertion in model container [2020-10-16 01:16:20,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:16:20,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:16:20,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:16:20,638 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:16:20,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:16:20,836 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:16:20,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20 WrapperNode [2020-10-16 01:16:20,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:16:20,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:16:20,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:16:20,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:16:20,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:16:20,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:16:20,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:16:20,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:16:20,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (1/1) ... [2020-10-16 01:16:20,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:16:20,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:16:20,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:16:20,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:16:20,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (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 [2020-10-16 01:16:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:16:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 01:16:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:16:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:16:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 01:16:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 01:16:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 01:16:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 01:16:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 01:16:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 01:16:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 01:16:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:16:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:16:21,026 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 01:16:23,281 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:16:23,281 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 01:16:23,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:16:23 BoogieIcfgContainer [2020-10-16 01:16:23,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:16:23,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:16:23,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:16:23,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:16:23,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:16:20" (1/3) ... [2020-10-16 01:16:23,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616bd1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:16:23, skipping insertion in model container [2020-10-16 01:16:23,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:20" (2/3) ... [2020-10-16 01:16:23,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616bd1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:16:23, skipping insertion in model container [2020-10-16 01:16:23,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:16:23" (3/3) ... [2020-10-16 01:16:23,291 INFO L111 eAbstractionObserver]: Analyzing ICFG mix011_rmo.opt.i [2020-10-16 01:16:23,302 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:16:23,310 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 01:16:23,311 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:16:23,342 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,343 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,343 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,343 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,344 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,344 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,345 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,345 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,355 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,355 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,355 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,370 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,370 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,374 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,377 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,379 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,380 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,382 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:16:23,403 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 01:16:23,424 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:16:23,425 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:16:23,425 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:16:23,425 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:16:23,425 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:16:23,425 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:16:23,425 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:16:23,425 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:16:23,439 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2020-10-16 01:16:23,486 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2020-10-16 01:16:23,486 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:16:23,491 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2020-10-16 01:16:23,492 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2020-10-16 01:16:23,498 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2020-10-16 01:16:23,500 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:16:23,503 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2020-10-16 01:16:23,506 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2020-10-16 01:16:23,506 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2020-10-16 01:16:23,529 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2020-10-16 01:16:23,529 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:16:23,530 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2020-10-16 01:16:23,533 INFO L117 LiptonReduction]: Number of co-enabled transitions 1704 [2020-10-16 01:16:23,695 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:23,695 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:23,697 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:23,698 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:23,702 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:23,702 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:23,707 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:23,707 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:23,735 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:23,735 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:23,737 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:23,737 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:23,741 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:23,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:23,744 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:23,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:23,846 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:23,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:16:23,850 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:16:23,851 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:23,886 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:23,886 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:23,899 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:23,899 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:23,901 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:23,901 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:23,903 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:23,904 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:23,906 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:16:23,906 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:23,908 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:23,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:23,909 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:23,910 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:24,344 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:24,344 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:24,352 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,352 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:24,353 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,354 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:24,356 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:24,358 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:16:24,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:24,359 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,359 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:24,361 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,362 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:24,403 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,404 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:16:24,406 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:16:24,407 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:24,458 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:24,459 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:24,460 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:24,460 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:24,462 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:24,462 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:24,464 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:24,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:24,480 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:24,480 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:24,481 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:24,482 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:24,483 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:24,484 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:24,485 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:24,486 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:24,794 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 01:16:24,918 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:24,919 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:24,921 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,921 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:24,923 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,926 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:24,927 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:24,929 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:16:24,929 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:24,933 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:24,936 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,936 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:24,996 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:24,997 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:16:24,999 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:16:25,000 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,278 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:16:25,279 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,312 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,312 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:16:25,314 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:16:25,315 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,353 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,354 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,356 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:25,357 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:25,359 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,359 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:25,362 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:16:25,362 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,364 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,365 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,368 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,369 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,526 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:16:25,527 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,737 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,738 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,739 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,739 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:25,740 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:25,743 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:25,747 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:16:25,747 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,749 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,749 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,750 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,751 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,788 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:25,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:16:25,793 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:16:25,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,855 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,856 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,858 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,860 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,860 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:25,865 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:25,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:25,886 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,886 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,887 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,887 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,889 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,889 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,891 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:25,891 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,954 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,955 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,957 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,957 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,959 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,959 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,961 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:25,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:25,974 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,975 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,975 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,976 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:25,977 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:25,977 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:25,979 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:16:25,979 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:16:26,083 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:26,084 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:26,092 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,093 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:26,094 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,094 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:26,095 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,096 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:26,099 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:16:26,099 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:26,101 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:26,104 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,104 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:26,137 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,138 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:16:26,142 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:16:26,143 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:26,214 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,214 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:16:26,216 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:16:26,216 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:26,239 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:26,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:26,241 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:26,242 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,243 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:26,244 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,244 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:26,246 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:16:26,246 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:26,248 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,248 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:26,249 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,249 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:26,287 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:16:26,290 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:16:26,290 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:26,317 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:16:26,317 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:16:26,350 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,350 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:26,351 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,352 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:26,353 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,353 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:16:26,355 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:16:26,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:26,356 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:26,357 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:16:26,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:16:26,982 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-16 01:16:27,293 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 01:16:27,406 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 01:16:27,412 INFO L132 LiptonReduction]: Checked pairs total: 4667 [2020-10-16 01:16:27,413 INFO L134 LiptonReduction]: Total number of compositions: 80 [2020-10-16 01:16:27,416 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3918 [2020-10-16 01:16:27,423 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2020-10-16 01:16:27,423 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:16:27,423 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:16:27,424 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:16:27,425 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:16:27,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:16:27,430 INFO L82 PathProgramCache]: Analyzing trace with hash -241924560, now seen corresponding path program 1 times [2020-10-16 01:16:27,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:16:27,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619677788] [2020-10-16 01:16:27,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:16:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:16:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:16:27,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619677788] [2020-10-16 01:16:27,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:16:27,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:16:27,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147565617] [2020-10-16 01:16:27,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:16:27,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:16:27,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:16:27,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:16:27,708 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 177 [2020-10-16 01:16:27,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 23 transitions, 55 flow. Second operand 3 states. [2020-10-16 01:16:27,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:16:27,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 177 [2020-10-16 01:16:27,713 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:16:27,782 INFO L129 PetriNetUnfolder]: 13/60 cut-off events. [2020-10-16 01:16:27,782 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:16:27,783 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 60 events. 13/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 188 event pairs, 5 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 90. Up to 25 conditions per place. [2020-10-16 01:16:27,785 INFO L132 encePairwiseOnDemand]: 174/177 looper letters, 6 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2020-10-16 01:16:27,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 24 transitions, 73 flow [2020-10-16 01:16:27,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:16:27,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:16:27,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 468 transitions. [2020-10-16 01:16:27,803 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8813559322033898 [2020-10-16 01:16:27,804 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 468 transitions. [2020-10-16 01:16:27,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 468 transitions. [2020-10-16 01:16:27,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:16:27,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 468 transitions. [2020-10-16 01:16:27,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:16:27,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:16:27,822 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:16:27,825 INFO L185 Difference]: Start difference. First operand has 33 places, 23 transitions, 55 flow. Second operand 3 states and 468 transitions. [2020-10-16 01:16:27,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 24 transitions, 73 flow [2020-10-16 01:16:27,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 24 transitions, 70 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-16 01:16:27,830 INFO L241 Difference]: Finished difference. Result has 31 places, 22 transitions, 54 flow [2020-10-16 01:16:27,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=31, PETRI_TRANSITIONS=22} [2020-10-16 01:16:27,834 INFO L342 CegarLoopForPetriNet]: 33 programPoint places, -2 predicate places. [2020-10-16 01:16:27,834 INFO L481 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 54 flow [2020-10-16 01:16:27,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:16:27,835 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:16:27,835 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:16:27,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 01:16:27,836 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:16:27,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:16:27,836 INFO L82 PathProgramCache]: Analyzing trace with hash -561191832, now seen corresponding path program 1 times [2020-10-16 01:16:27,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:16:27,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460717888] [2020-10-16 01:16:27,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:16:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:16:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:16:27,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460717888] [2020-10-16 01:16:27,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:16:27,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:16:27,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174618480] [2020-10-16 01:16:27,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:16:27,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:16:27,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:16:27,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:16:27,908 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 177 [2020-10-16 01:16:27,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 54 flow. Second operand 3 states. [2020-10-16 01:16:27,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:16:27,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 177 [2020-10-16 01:16:27,909 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:16:27,962 INFO L129 PetriNetUnfolder]: 1/24 cut-off events. [2020-10-16 01:16:27,963 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:16:27,963 INFO L80 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 24 events. 1/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 32. Up to 5 conditions per place. [2020-10-16 01:16:27,963 INFO L132 encePairwiseOnDemand]: 174/177 looper letters, 1 selfloop transitions, 2 changer transitions 2/23 dead transitions. [2020-10-16 01:16:27,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 23 transitions, 66 flow [2020-10-16 01:16:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:16:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:16:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2020-10-16 01:16:27,970 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8870056497175142 [2020-10-16 01:16:27,971 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 471 transitions. [2020-10-16 01:16:27,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 471 transitions. [2020-10-16 01:16:27,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:16:27,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 471 transitions. [2020-10-16 01:16:27,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:16:27,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:16:27,980 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:16:27,980 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 54 flow. Second operand 3 states and 471 transitions. [2020-10-16 01:16:27,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 23 transitions, 66 flow [2020-10-16 01:16:27,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 23 transitions, 62 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:16:27,982 INFO L241 Difference]: Finished difference. Result has 32 places, 21 transitions, 56 flow [2020-10-16 01:16:27,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=32, PETRI_TRANSITIONS=21} [2020-10-16 01:16:27,984 INFO L342 CegarLoopForPetriNet]: 33 programPoint places, -1 predicate places. [2020-10-16 01:16:27,984 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 21 transitions, 56 flow [2020-10-16 01:16:27,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:16:27,984 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:16:27,984 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:16:27,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 01:16:27,985 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:16:27,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:16:27,985 INFO L82 PathProgramCache]: Analyzing trace with hash 904705759, now seen corresponding path program 1 times [2020-10-16 01:16:27,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:16:27,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151984736] [2020-10-16 01:16:27,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:16:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:16:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:16:28,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151984736] [2020-10-16 01:16:28,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:16:28,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:16:28,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147254568] [2020-10-16 01:16:28,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:16:28,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:16:28,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:16:28,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:16:28,041 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 177 [2020-10-16 01:16:28,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 21 transitions, 56 flow. Second operand 3 states. [2020-10-16 01:16:28,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:16:28,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 177 [2020-10-16 01:16:28,042 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:16:28,055 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2020-10-16 01:16:28,055 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 01:16:28,055 INFO L80 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 21 events. 0/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 1/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2020-10-16 01:16:28,056 INFO L132 encePairwiseOnDemand]: 174/177 looper letters, 1 selfloop transitions, 2 changer transitions 0/21 dead transitions. [2020-10-16 01:16:28,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 21 transitions, 62 flow [2020-10-16 01:16:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:16:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:16:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 478 transitions. [2020-10-16 01:16:28,058 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9001883239171374 [2020-10-16 01:16:28,059 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 478 transitions. [2020-10-16 01:16:28,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 478 transitions. [2020-10-16 01:16:28,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:16:28,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 478 transitions. [2020-10-16 01:16:28,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:16:28,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:16:28,062 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:16:28,062 INFO L185 Difference]: Start difference. First operand has 32 places, 21 transitions, 56 flow. Second operand 3 states and 478 transitions. [2020-10-16 01:16:28,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 21 transitions, 62 flow [2020-10-16 01:16:28,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 21 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:16:28,063 INFO L241 Difference]: Finished difference. Result has 32 places, 21 transitions, 60 flow [2020-10-16 01:16:28,063 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=32, PETRI_TRANSITIONS=21} [2020-10-16 01:16:28,063 INFO L342 CegarLoopForPetriNet]: 33 programPoint places, -1 predicate places. [2020-10-16 01:16:28,064 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 21 transitions, 60 flow [2020-10-16 01:16:28,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:16:28,064 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:16:28,064 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:16:28,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 01:16:28,064 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:16:28,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:16:28,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1799872482, now seen corresponding path program 1 times [2020-10-16 01:16:28,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:16:28,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769599375] [2020-10-16 01:16:28,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:16:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:16:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:16:28,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769599375] [2020-10-16 01:16:28,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:16:28,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:16:28,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752288013] [2020-10-16 01:16:28,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:16:28,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:16:28,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:16:28,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:16:28,270 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 177 [2020-10-16 01:16:28,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 21 transitions, 60 flow. Second operand 4 states. [2020-10-16 01:16:28,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:16:28,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 177 [2020-10-16 01:16:28,271 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:16:28,332 INFO L129 PetriNetUnfolder]: 28/79 cut-off events. [2020-10-16 01:16:28,333 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 01:16:28,333 INFO L80 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 79 events. 28/79 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 284 event pairs, 12 based on Foata normal form. 8/85 useless extension candidates. Maximal degree in co-relation 155. Up to 45 conditions per place. [2020-10-16 01:16:28,334 INFO L132 encePairwiseOnDemand]: 171/177 looper letters, 5 selfloop transitions, 4 changer transitions 7/31 dead transitions. [2020-10-16 01:16:28,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 31 transitions, 112 flow [2020-10-16 01:16:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:16:28,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:16:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 738 transitions. [2020-10-16 01:16:28,337 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8338983050847457 [2020-10-16 01:16:28,337 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 738 transitions. [2020-10-16 01:16:28,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 738 transitions. [2020-10-16 01:16:28,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:16:28,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 738 transitions. [2020-10-16 01:16:28,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:16:28,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:16:28,341 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:16:28,342 INFO L185 Difference]: Start difference. First operand has 32 places, 21 transitions, 60 flow. Second operand 5 states and 738 transitions. [2020-10-16 01:16:28,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 31 transitions, 112 flow [2020-10-16 01:16:28,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 31 transitions, 108 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:16:28,343 INFO L241 Difference]: Finished difference. Result has 37 places, 24 transitions, 92 flow [2020-10-16 01:16:28,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=92, PETRI_PLACES=37, PETRI_TRANSITIONS=24} [2020-10-16 01:16:28,344 INFO L342 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2020-10-16 01:16:28,344 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 24 transitions, 92 flow [2020-10-16 01:16:28,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:16:28,344 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:16:28,344 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:16:28,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 01:16:28,345 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:16:28,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:16:28,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1270333633, now seen corresponding path program 1 times [2020-10-16 01:16:28,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:16:28,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458052923] [2020-10-16 01:16:28,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:16:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:16:28,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:16:28,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458052923] [2020-10-16 01:16:28,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:16:28,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:16:28,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607001239] [2020-10-16 01:16:28,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:16:28,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:16:28,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:16:28,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:16:28,502 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 177 [2020-10-16 01:16:28,502 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 24 transitions, 92 flow. Second operand 5 states. [2020-10-16 01:16:28,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:16:28,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 177 [2020-10-16 01:16:28,503 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:16:28,553 INFO L129 PetriNetUnfolder]: 16/57 cut-off events. [2020-10-16 01:16:28,553 INFO L130 PetriNetUnfolder]: For 47/62 co-relation queries the response was YES. [2020-10-16 01:16:28,554 INFO L80 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 57 events. 16/57 cut-off events. For 47/62 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 158 event pairs, 2 based on Foata normal form. 13/69 useless extension candidates. Maximal degree in co-relation 176. Up to 35 conditions per place. [2020-10-16 01:16:28,554 INFO L132 encePairwiseOnDemand]: 171/177 looper letters, 5 selfloop transitions, 7 changer transitions 7/34 dead transitions. [2020-10-16 01:16:28,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 34 transitions, 188 flow [2020-10-16 01:16:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 01:16:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 01:16:28,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 885 transitions. [2020-10-16 01:16:28,558 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2020-10-16 01:16:28,558 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 885 transitions. [2020-10-16 01:16:28,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 885 transitions. [2020-10-16 01:16:28,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:16:28,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 885 transitions. [2020-10-16 01:16:28,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 01:16:28,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 01:16:28,563 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 01:16:28,563 INFO L185 Difference]: Start difference. First operand has 37 places, 24 transitions, 92 flow. Second operand 6 states and 885 transitions. [2020-10-16 01:16:28,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 34 transitions, 188 flow [2020-10-16 01:16:28,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 182 flow, removed 1 selfloop flow, removed 2 redundant places. [2020-10-16 01:16:28,566 INFO L241 Difference]: Finished difference. Result has 41 places, 27 transitions, 142 flow [2020-10-16 01:16:28,566 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=142, PETRI_PLACES=41, PETRI_TRANSITIONS=27} [2020-10-16 01:16:28,566 INFO L342 CegarLoopForPetriNet]: 33 programPoint places, 8 predicate places. [2020-10-16 01:16:28,566 INFO L481 AbstractCegarLoop]: Abstraction has has 41 places, 27 transitions, 142 flow [2020-10-16 01:16:28,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:16:28,567 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:16:28,567 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:16:28,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 01:16:28,567 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:16:28,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:16:28,568 INFO L82 PathProgramCache]: Analyzing trace with hash 88397381, now seen corresponding path program 1 times [2020-10-16 01:16:28,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:16:28,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908076746] [2020-10-16 01:16:28,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:16:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:16:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:16:28,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908076746] [2020-10-16 01:16:28,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:16:28,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 01:16:28,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978483061] [2020-10-16 01:16:28,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 01:16:28,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:16:28,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 01:16:28,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 01:16:28,669 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 177 [2020-10-16 01:16:28,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 27 transitions, 142 flow. Second operand 6 states. [2020-10-16 01:16:28,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:16:28,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 177 [2020-10-16 01:16:28,670 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:16:28,728 INFO L129 PetriNetUnfolder]: 7/36 cut-off events. [2020-10-16 01:16:28,728 INFO L130 PetriNetUnfolder]: For 81/99 co-relation queries the response was YES. [2020-10-16 01:16:28,729 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 36 events. 7/36 cut-off events. For 81/99 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 52 event pairs, 0 based on Foata normal form. 14/49 useless extension candidates. Maximal degree in co-relation 127. Up to 20 conditions per place. [2020-10-16 01:16:28,729 INFO L132 encePairwiseOnDemand]: 171/177 looper letters, 2 selfloop transitions, 10 changer transitions 4/31 dead transitions. [2020-10-16 01:16:28,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 31 transitions, 210 flow [2020-10-16 01:16:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 01:16:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 01:16:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1026 transitions. [2020-10-16 01:16:28,733 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8280871670702179 [2020-10-16 01:16:28,733 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1026 transitions. [2020-10-16 01:16:28,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1026 transitions. [2020-10-16 01:16:28,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:16:28,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1026 transitions. [2020-10-16 01:16:28,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 01:16:28,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 01:16:28,739 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 01:16:28,739 INFO L185 Difference]: Start difference. First operand has 41 places, 27 transitions, 142 flow. Second operand 7 states and 1026 transitions. [2020-10-16 01:16:28,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 31 transitions, 210 flow [2020-10-16 01:16:28,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 166 flow, removed 16 selfloop flow, removed 6 redundant places. [2020-10-16 01:16:28,742 INFO L241 Difference]: Finished difference. Result has 42 places, 27 transitions, 136 flow [2020-10-16 01:16:28,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=136, PETRI_PLACES=42, PETRI_TRANSITIONS=27} [2020-10-16 01:16:28,743 INFO L342 CegarLoopForPetriNet]: 33 programPoint places, 9 predicate places. [2020-10-16 01:16:28,743 INFO L481 AbstractCegarLoop]: Abstraction has has 42 places, 27 transitions, 136 flow [2020-10-16 01:16:28,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 01:16:28,743 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:16:28,743 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:16:28,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 01:16:28,743 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:16:28,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:16:28,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1222935256, now seen corresponding path program 1 times [2020-10-16 01:16:28,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:16:28,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945486153] [2020-10-16 01:16:28,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:16:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:16:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:16:28,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945486153] [2020-10-16 01:16:28,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:16:28,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:16:28,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252181920] [2020-10-16 01:16:28,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:16:28,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:16:28,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:16:28,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:16:28,814 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 177 [2020-10-16 01:16:28,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 27 transitions, 136 flow. Second operand 4 states. [2020-10-16 01:16:28,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:16:28,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 177 [2020-10-16 01:16:28,814 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:16:28,840 INFO L129 PetriNetUnfolder]: 10/47 cut-off events. [2020-10-16 01:16:28,840 INFO L130 PetriNetUnfolder]: For 68/74 co-relation queries the response was YES. [2020-10-16 01:16:28,841 INFO L80 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 47 events. 10/47 cut-off events. For 68/74 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 96 event pairs, 0 based on Foata normal form. 2/48 useless extension candidates. Maximal degree in co-relation 135. Up to 21 conditions per place. [2020-10-16 01:16:28,841 INFO L132 encePairwiseOnDemand]: 174/177 looper letters, 3 selfloop transitions, 1 changer transitions 1/28 dead transitions. [2020-10-16 01:16:28,841 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 28 transitions, 148 flow [2020-10-16 01:16:28,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 01:16:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 01:16:28,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 618 transitions. [2020-10-16 01:16:28,844 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8728813559322034 [2020-10-16 01:16:28,844 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 618 transitions. [2020-10-16 01:16:28,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 618 transitions. [2020-10-16 01:16:28,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:16:28,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 618 transitions. [2020-10-16 01:16:28,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 01:16:28,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 01:16:28,848 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 01:16:28,848 INFO L185 Difference]: Start difference. First operand has 42 places, 27 transitions, 136 flow. Second operand 4 states and 618 transitions. [2020-10-16 01:16:28,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 28 transitions, 148 flow [2020-10-16 01:16:28,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 28 transitions, 110 flow, removed 12 selfloop flow, removed 6 redundant places. [2020-10-16 01:16:28,851 INFO L241 Difference]: Finished difference. Result has 39 places, 27 transitions, 105 flow [2020-10-16 01:16:28,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=105, PETRI_PLACES=39, PETRI_TRANSITIONS=27} [2020-10-16 01:16:28,851 INFO L342 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2020-10-16 01:16:28,851 INFO L481 AbstractCegarLoop]: Abstraction has has 39 places, 27 transitions, 105 flow [2020-10-16 01:16:28,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:16:28,851 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:16:28,852 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:16:28,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 01:16:28,852 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:16:28,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:16:28,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1915195554, now seen corresponding path program 2 times [2020-10-16 01:16:28,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:16:28,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448663747] [2020-10-16 01:16:28,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:16:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:16:29,164 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2020-10-16 01:16:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:16:29,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448663747] [2020-10-16 01:16:29,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:16:29,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 01:16:29,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032352621] [2020-10-16 01:16:29,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 01:16:29,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:16:29,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 01:16:29,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-16 01:16:29,226 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 177 [2020-10-16 01:16:29,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 27 transitions, 105 flow. Second operand 7 states. [2020-10-16 01:16:29,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:16:29,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 177 [2020-10-16 01:16:29,227 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:16:29,586 INFO L129 PetriNetUnfolder]: 20/78 cut-off events. [2020-10-16 01:16:29,586 INFO L130 PetriNetUnfolder]: For 47/48 co-relation queries the response was YES. [2020-10-16 01:16:29,587 INFO L80 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 78 events. 20/78 cut-off events. For 47/48 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 257 event pairs, 0 based on Foata normal form. 2/77 useless extension candidates. Maximal degree in co-relation 191. Up to 28 conditions per place. [2020-10-16 01:16:29,587 INFO L132 encePairwiseOnDemand]: 170/177 looper letters, 4 selfloop transitions, 8 changer transitions 2/34 dead transitions. [2020-10-16 01:16:29,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 34 transitions, 147 flow [2020-10-16 01:16:29,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 01:16:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 01:16:29,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1122 transitions. [2020-10-16 01:16:29,592 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.704331450094162 [2020-10-16 01:16:29,592 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1122 transitions. [2020-10-16 01:16:29,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1122 transitions. [2020-10-16 01:16:29,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:16:29,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1122 transitions. [2020-10-16 01:16:29,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 01:16:29,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 01:16:29,599 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 01:16:29,599 INFO L185 Difference]: Start difference. First operand has 39 places, 27 transitions, 105 flow. Second operand 9 states and 1122 transitions. [2020-10-16 01:16:29,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 34 transitions, 147 flow [2020-10-16 01:16:29,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 34 transitions, 144 flow, removed 1 selfloop flow, removed 2 redundant places. [2020-10-16 01:16:29,601 INFO L241 Difference]: Finished difference. Result has 48 places, 32 transitions, 143 flow [2020-10-16 01:16:29,601 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=143, PETRI_PLACES=48, PETRI_TRANSITIONS=32} [2020-10-16 01:16:29,602 INFO L342 CegarLoopForPetriNet]: 33 programPoint places, 15 predicate places. [2020-10-16 01:16:29,602 INFO L481 AbstractCegarLoop]: Abstraction has has 48 places, 32 transitions, 143 flow [2020-10-16 01:16:29,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 01:16:29,602 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:16:29,602 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:16:29,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 01:16:29,603 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:16:29,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:16:29,603 INFO L82 PathProgramCache]: Analyzing trace with hash 280356092, now seen corresponding path program 3 times [2020-10-16 01:16:29,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:16:29,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898468265] [2020-10-16 01:16:29,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:16:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:16:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:16:29,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898468265] [2020-10-16 01:16:29,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:16:29,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 01:16:29,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106775699] [2020-10-16 01:16:29,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:16:29,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:16:29,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:16:29,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:16:29,700 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 177 [2020-10-16 01:16:29,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 32 transitions, 143 flow. Second operand 3 states. [2020-10-16 01:16:29,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:16:29,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 177 [2020-10-16 01:16:29,701 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:16:29,730 INFO L129 PetriNetUnfolder]: 24/105 cut-off events. [2020-10-16 01:16:29,730 INFO L130 PetriNetUnfolder]: For 61/62 co-relation queries the response was YES. [2020-10-16 01:16:29,731 INFO L80 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 105 events. 24/105 cut-off events. For 61/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 420 event pairs, 0 based on Foata normal form. 2/104 useless extension candidates. Maximal degree in co-relation 267. Up to 34 conditions per place. [2020-10-16 01:16:29,731 INFO L132 encePairwiseOnDemand]: 174/177 looper letters, 2 selfloop transitions, 2 changer transitions 6/33 dead transitions. [2020-10-16 01:16:29,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 33 transitions, 155 flow [2020-10-16 01:16:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:16:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:16:29,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 468 transitions. [2020-10-16 01:16:29,733 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8813559322033898 [2020-10-16 01:16:29,733 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 468 transitions. [2020-10-16 01:16:29,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 468 transitions. [2020-10-16 01:16:29,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:16:29,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 468 transitions. [2020-10-16 01:16:29,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:16:29,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:16:29,736 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:16:29,736 INFO L185 Difference]: Start difference. First operand has 48 places, 32 transitions, 143 flow. Second operand 3 states and 468 transitions. [2020-10-16 01:16:29,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 33 transitions, 155 flow [2020-10-16 01:16:29,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 33 transitions, 144 flow, removed 2 selfloop flow, removed 4 redundant places. [2020-10-16 01:16:29,738 INFO L241 Difference]: Finished difference. Result has 45 places, 27 transitions, 120 flow [2020-10-16 01:16:29,739 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=45, PETRI_TRANSITIONS=27} [2020-10-16 01:16:29,739 INFO L342 CegarLoopForPetriNet]: 33 programPoint places, 12 predicate places. [2020-10-16 01:16:29,739 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 27 transitions, 120 flow [2020-10-16 01:16:29,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:16:29,739 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:16:29,739 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:16:29,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 01:16:29,740 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:16:29,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:16:29,740 INFO L82 PathProgramCache]: Analyzing trace with hash -712522588, now seen corresponding path program 4 times [2020-10-16 01:16:29,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:16:29,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570290426] [2020-10-16 01:16:29,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:16:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:16:29,783 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:16:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:16:29,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:16:29,863 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 01:16:29,863 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 01:16:29,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 01:16:29,865 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 01:16:29,881 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1154] [1154] L3-->L856: Formula: (let ((.cse7 (= (mod ~z$w_buff0_used~0_In29714217 256) 0)) (.cse6 (= (mod ~z$r_buff0_thd0~0_In29714217 256) 0)) (.cse8 (= (mod ~z$w_buff1_used~0_In29714217 256) 0)) (.cse9 (= (mod ~z$r_buff1_thd0~0_In29714217 256) 0))) (let ((.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse3 (or .cse8 .cse9)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse0 (or .cse6 .cse7))) (and (= ~z$r_buff0_thd0~0_Out29714217 ~z$r_buff0_thd0~0_In29714217) (= ~z$r_buff1_thd0~0_In29714217 ~z$r_buff1_thd0~0_Out29714217) (or (and .cse0 (or (and (= ~z~0_Out29714217 ~z$w_buff1~0_In29714217) .cse1 .cse2) (and .cse3 (= ~z~0_In29714217 ~z~0_Out29714217)))) (and .cse4 (= ~z~0_Out29714217 ~z$w_buff0~0_In29714217) .cse5)) (or (and .cse1 (= ~z$w_buff1_used~0_Out29714217 0) .cse2) (and .cse3 (= ~z$w_buff1_used~0_Out29714217 ~z$w_buff1_used~0_In29714217))) (or (and .cse4 (= ~z$w_buff0_used~0_Out29714217 0) .cse5) (and .cse0 (= ~z$w_buff0_used~0_In29714217 ~z$w_buff0_used~0_Out29714217))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In29714217 0))))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In29714217, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In29714217, ~z$w_buff0_used~0=~z$w_buff0_used~0_In29714217, ~z$w_buff0~0=~z$w_buff0~0_In29714217, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In29714217, ~z$w_buff1_used~0=~z$w_buff1_used~0_In29714217, ~z$w_buff1~0=~z$w_buff1~0_In29714217, ~z~0=~z~0_In29714217} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out29714217, ~z$w_buff0~0=~z$w_buff0~0_In29714217, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out29714217, ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out29714217|, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out29714217|, ~z$w_buff1~0=~z$w_buff1~0_In29714217, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out29714217|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out29714217|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out29714217, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out29714217|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out29714217|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In29714217, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out29714217, ~z~0=~z~0_Out29714217} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite58, ULTIMATE.start_main_#t~ite57, ULTIMATE.start_main_#t~ite59, ~z~0] because there is no mapped edge [2020-10-16 01:16:29,893 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,893 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,894 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,895 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,895 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,895 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,895 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,895 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,896 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,896 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,896 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,897 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,897 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,897 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,897 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,897 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,898 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,898 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,898 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,898 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,898 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,899 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,899 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,900 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,900 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,900 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,900 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,900 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,906 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,906 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,906 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,906 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,906 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,906 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,907 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,907 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,907 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,907 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,907 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,907 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,907 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,908 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,908 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,908 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,908 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,908 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,908 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,908 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,909 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:16:29,909 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:16:29,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:16:29 BasicIcfg [2020-10-16 01:16:29,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 01:16:29,984 INFO L168 Benchmark]: Toolchain (without parser) took 9949.76 ms. Allocated memory was 257.9 MB in the beginning and 527.4 MB in the end (delta: 269.5 MB). Free memory was 213.3 MB in the beginning and 431.4 MB in the end (delta: -218.1 MB). Peak memory consumption was 51.4 MB. Max. memory is 14.2 GB. [2020-10-16 01:16:29,984 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 257.9 MB. Free memory is still 234.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:16:29,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.54 ms. Allocated memory was 257.9 MB in the beginning and 336.1 MB in the end (delta: 78.1 MB). Free memory was 213.3 MB in the beginning and 285.8 MB in the end (delta: -72.5 MB). Peak memory consumption was 35.8 MB. Max. memory is 14.2 GB. [2020-10-16 01:16:29,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.51 ms. Allocated memory is still 336.1 MB. Free memory was 285.8 MB in the beginning and 283.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:16:29,986 INFO L168 Benchmark]: Boogie Preprocessor took 53.56 ms. Allocated memory is still 336.1 MB. Free memory was 283.3 MB in the beginning and 280.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:16:29,987 INFO L168 Benchmark]: RCFGBuilder took 2328.07 ms. Allocated memory was 336.1 MB in the beginning and 379.6 MB in the end (delta: 43.5 MB). Free memory was 280.8 MB in the beginning and 310.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 132.3 MB. Max. memory is 14.2 GB. [2020-10-16 01:16:29,988 INFO L168 Benchmark]: TraceAbstraction took 6697.37 ms. Allocated memory was 379.6 MB in the beginning and 527.4 MB in the end (delta: 147.8 MB). Free memory was 310.2 MB in the beginning and 431.4 MB in the end (delta: -121.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 14.2 GB. [2020-10-16 01:16:29,992 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 257.9 MB. Free memory is still 234.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 801.54 ms. Allocated memory was 257.9 MB in the beginning and 336.1 MB in the end (delta: 78.1 MB). Free memory was 213.3 MB in the beginning and 285.8 MB in the end (delta: -72.5 MB). Peak memory consumption was 35.8 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 63.51 ms. Allocated memory is still 336.1 MB. Free memory was 285.8 MB in the beginning and 283.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 53.56 ms. Allocated memory is still 336.1 MB. Free memory was 283.3 MB in the beginning and 280.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2328.07 ms. Allocated memory was 336.1 MB in the beginning and 379.6 MB in the end (delta: 43.5 MB). Free memory was 280.8 MB in the beginning and 310.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 132.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 6697.37 ms. Allocated memory was 379.6 MB in the beginning and 527.4 MB in the end (delta: 147.8 MB). Free memory was 310.2 MB in the beginning and 431.4 MB in the end (delta: -121.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1154 VarBasedMoverChecksPositive, 64 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 55 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.5s, 130 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.9s, 102 PlacesBefore, 33 PlacesAfterwards, 94 TransitionsBefore, 23 TransitionsAfterwards, 1704 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 4667 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p1_EAX = 0; [L702] 0 int __unbuffered_p1_EBX = 0; [L704] 0 int __unbuffered_p2_EAX = 0; [L706] 0 int __unbuffered_p2_EBX = 0; [L708] 0 int a = 0; [L709] 0 _Bool main$tmp_guard0; [L710] 0 _Bool main$tmp_guard1; [L712] 0 int x = 0; [L714] 0 int y = 0; [L716] 0 int z = 0; [L717] 0 _Bool z$flush_delayed; [L718] 0 int z$mem_tmp; [L719] 0 _Bool z$r_buff0_thd0; [L720] 0 _Bool z$r_buff0_thd1; [L721] 0 _Bool z$r_buff0_thd2; [L722] 0 _Bool z$r_buff0_thd3; [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$read_delayed; [L728] 0 int *z$read_delayed_var; [L729] 0 int z$w_buff0; [L730] 0 _Bool z$w_buff0_used; [L731] 0 int z$w_buff1; [L732] 0 _Bool z$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L840] 0 pthread_t t296; [L841] FCALL, FORK 0 pthread_create(&t296, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, 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$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L842] 0 pthread_t t297; [L843] FCALL, FORK 0 pthread_create(&t297, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, 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$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L844] 0 pthread_t t298; [L845] FCALL, FORK 0 pthread_create(&t298, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, 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$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L787] 3 z$w_buff1 = z$w_buff0 [L788] 3 z$w_buff0 = 1 [L789] 3 z$w_buff1_used = z$w_buff0_used [L790] 3 z$w_buff0_used = (_Bool)1 [L7] COND TRUE 3 !expression [L7] 3 __VERIFIER_error() [L792] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L793] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L794] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L795] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L796] 3 z$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L799] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L800] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L801] 3 z$flush_delayed = weak$$choice2 [L802] 3 z$mem_tmp = z [L803] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L803] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L804] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L804] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L804] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L805] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L806] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L807] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L808] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 __unbuffered_p2_EAX = z [L811] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L811] 3 z = z$flush_delayed ? z$mem_tmp : z [L812] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L815] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L738] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 2 y = 1 [L759] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L763] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L764] 2 z$flush_delayed = weak$$choice2 [L765] 2 z$mem_tmp = z [L766] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L766] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L767] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L767] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L768] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L768] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L769] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L769] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L770] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L770] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L770] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L770] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L771] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L772] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 __unbuffered_p1_EBX = z [L774] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L774] 2 z = z$flush_delayed ? z$mem_tmp : z [L775] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, 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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L818] 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) [L818] 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) [L819] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L819] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L820] 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 [L821] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L821] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L822] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L822] 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 [L746] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L748] 1 return 0; [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L782] 2 return 0; [L825] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L827] 3 return 0; [L847] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L858] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=0, x=2, y=1, 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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 6.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 32 SDtfs, 12 SDslu, 14 SDs, 0 SdLazy, 152 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 11853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...