/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 21:38:17,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 21:38:17,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 21:38:17,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 21:38:17,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 21:38:17,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 21:38:17,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 21:38:17,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 21:38:17,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 21:38:17,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 21:38:17,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 21:38:17,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 21:38:17,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 21:38:17,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 21:38:17,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 21:38:17,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 21:38:17,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 21:38:17,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 21:38:17,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 21:38:17,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 21:38:17,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 21:38:17,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 21:38:17,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 21:38:17,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 21:38:17,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 21:38:17,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 21:38:17,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 21:38:17,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 21:38:17,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 21:38:17,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 21:38:17,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 21:38:17,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 21:38:17,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 21:38:17,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 21:38:17,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 21:38:17,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 21:38:17,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 21:38:17,179 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 21:38:17,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 21:38:17,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 21:38:17,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 21:38:17,181 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 21:38:17,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 21:38:17,181 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 21:38:17,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 21:38:17,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 21:38:17,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 21:38:17,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 21:38:17,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 21:38:17,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 21:38:17,182 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 21:38:17,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 21:38:17,183 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 21:38:17,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 21:38:17,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 21:38:17,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 21:38:17,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 21:38:17,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 21:38:17,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 21:38:17,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 21:38:17,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 21:38:17,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 21:38:17,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 21:38:17,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 21:38:17,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 21:38:17,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 21:38:17,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 21:38:17,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 21:38:17,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 21:38:17,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 21:38:17,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 21:38:17,520 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 21:38:17,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i [2020-10-21 21:38:17,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50a133ae0/5d2a8159f5c8465e8b0b9077937edaf8/FLAGca3347a7b [2020-10-21 21:38:18,114 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 21:38:18,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/14_spin2003.i [2020-10-21 21:38:18,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50a133ae0/5d2a8159f5c8465e8b0b9077937edaf8/FLAGca3347a7b [2020-10-21 21:38:18,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50a133ae0/5d2a8159f5c8465e8b0b9077937edaf8 [2020-10-21 21:38:18,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 21:38:18,495 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 21:38:18,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 21:38:18,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 21:38:18,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 21:38:18,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:38:18" (1/1) ... [2020-10-21 21:38:18,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2584c935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:18, skipping insertion in model container [2020-10-21 21:38:18,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:38:18" (1/1) ... [2020-10-21 21:38:18,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 21:38:18,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 21:38:19,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:38:19,017 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 21:38:19,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:38:19,151 INFO L208 MainTranslator]: Completed translation [2020-10-21 21:38:19,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19 WrapperNode [2020-10-21 21:38:19,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 21:38:19,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 21:38:19,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 21:38:19,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 21:38:19,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (1/1) ... [2020-10-21 21:38:19,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (1/1) ... [2020-10-21 21:38:19,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 21:38:19,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 21:38:19,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 21:38:19,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 21:38:19,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (1/1) ... [2020-10-21 21:38:19,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (1/1) ... [2020-10-21 21:38:19,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (1/1) ... [2020-10-21 21:38:19,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (1/1) ... [2020-10-21 21:38:19,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (1/1) ... [2020-10-21 21:38:19,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (1/1) ... [2020-10-21 21:38:19,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (1/1) ... [2020-10-21 21:38:19,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 21:38:19,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 21:38:19,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 21:38:19,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 21:38:19,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 21:38:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-21 21:38:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-21 21:38:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 21:38:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 21:38:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 21:38:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 21:38:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 21:38:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 21:38:19,302 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 21:38:19,735 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 21:38:19,736 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-21 21:38:19,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:38:19 BoogieIcfgContainer [2020-10-21 21:38:19,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 21:38:19,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 21:38:19,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 21:38:19,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 21:38:19,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 09:38:18" (1/3) ... [2020-10-21 21:38:19,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ced3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:38:19, skipping insertion in model container [2020-10-21 21:38:19,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:19" (2/3) ... [2020-10-21 21:38:19,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ced3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:38:19, skipping insertion in model container [2020-10-21 21:38:19,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:38:19" (3/3) ... [2020-10-21 21:38:19,746 INFO L111 eAbstractionObserver]: Analyzing ICFG 14_spin2003.i [2020-10-21 21:38:19,756 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 21:38:19,757 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 21:38:19,763 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 21:38:19,764 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 21:38:19,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:19,804 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 21:38:19,818 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-21 21:38:19,841 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:38:19,841 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:38:19,841 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:38:19,842 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:38:19,842 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:38:19,842 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:38:19,842 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:38:19,842 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:38:19,855 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:38:19,858 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 39 transitions, 83 flow [2020-10-21 21:38:19,861 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 39 transitions, 83 flow [2020-10-21 21:38:19,863 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 39 places, 39 transitions, 83 flow [2020-10-21 21:38:19,899 INFO L129 PetriNetUnfolder]: 4/47 cut-off events. [2020-10-21 21:38:19,899 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 21:38:19,904 INFO L80 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 47 events. 4/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2020-10-21 21:38:19,906 INFO L116 LiptonReduction]: Number of co-enabled transitions 320 [2020-10-21 21:38:20,869 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-10-21 21:38:20,949 INFO L131 LiptonReduction]: Checked pairs total: 343 [2020-10-21 21:38:20,950 INFO L133 LiptonReduction]: Total number of compositions: 43 [2020-10-21 21:38:20,957 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions, 21 flow [2020-10-21 21:38:20,967 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-21 21:38:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-21 21:38:20,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-21 21:38:20,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:20,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-21 21:38:20,978 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 21:38:20,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:20,985 INFO L82 PathProgramCache]: Analyzing trace with hash 7146441, now seen corresponding path program 1 times [2020-10-21 21:38:20,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:20,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997433811] [2020-10-21 21:38:20,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:38:21,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997433811] [2020-10-21 21:38:21,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:21,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 21:38:21,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166064115] [2020-10-21 21:38:21,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-21 21:38:21,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:21,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-21 21:38:21,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 21:38:21,193 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-10-21 21:38:21,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:21,206 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-10-21 21:38:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-21 21:38:21,208 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-21 21:38:21,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:21,217 INFO L225 Difference]: With dead ends: 11 [2020-10-21 21:38:21,218 INFO L226 Difference]: Without dead ends: 11 [2020-10-21 21:38:21,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 21:38:21,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-10-21 21:38:21,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-21 21:38:21,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-21 21:38:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-10-21 21:38:21,254 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2020-10-21 21:38:21,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:21,254 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-21 21:38:21,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-21 21:38:21,255 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-10-21 21:38:21,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 21:38:21,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:21,256 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-21 21:38:21,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 21:38:21,256 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 21:38:21,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:21,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1722262568, now seen corresponding path program 1 times [2020-10-21 21:38:21,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:21,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536953656] [2020-10-21 21:38:21,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:38:21,288 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:38:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:38:21,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:38:21,329 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 21:38:21,329 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 21:38:21,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 21:38:21,332 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 21:38:21,332 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-21 21:38:21,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:21,358 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 21:38:21,358 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-21 21:38:21,358 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:38:21,359 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:38:21,359 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:38:21,359 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:38:21,359 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:38:21,359 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:38:21,359 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:38:21,359 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:38:21,362 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:38:21,362 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 56 transitions, 124 flow [2020-10-21 21:38:21,362 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 56 transitions, 124 flow [2020-10-21 21:38:21,362 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 56 places, 56 transitions, 124 flow [2020-10-21 21:38:21,381 INFO L129 PetriNetUnfolder]: 7/73 cut-off events. [2020-10-21 21:38:21,382 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-21 21:38:21,396 INFO L80 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 73 events. 7/73 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 152 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 48. Up to 6 conditions per place. [2020-10-21 21:38:21,399 INFO L116 LiptonReduction]: Number of co-enabled transitions 1184 [2020-10-21 21:38:22,286 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-10-21 21:38:22,567 INFO L131 LiptonReduction]: Checked pairs total: 4354 [2020-10-21 21:38:22,567 INFO L133 LiptonReduction]: Total number of compositions: 57 [2020-10-21 21:38:22,568 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 54 flow [2020-10-21 21:38:22,583 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 277 states. [2020-10-21 21:38:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states. [2020-10-21 21:38:22,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 21:38:22,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:22,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:38:22,585 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:38:22,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:22,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1967003323, now seen corresponding path program 1 times [2020-10-21 21:38:22,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:22,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925195028] [2020-10-21 21:38:22,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:38:22,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925195028] [2020-10-21 21:38:22,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:22,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:38:22,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437595186] [2020-10-21 21:38:22,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:38:22,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:22,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:38:22,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:22,662 INFO L87 Difference]: Start difference. First operand 277 states. Second operand 3 states. [2020-10-21 21:38:22,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:22,709 INFO L93 Difference]: Finished difference Result 221 states and 498 transitions. [2020-10-21 21:38:22,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:38:22,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 21:38:22,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:22,717 INFO L225 Difference]: With dead ends: 221 [2020-10-21 21:38:22,717 INFO L226 Difference]: Without dead ends: 221 [2020-10-21 21:38:22,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:22,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-21 21:38:22,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 205. [2020-10-21 21:38:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-21 21:38:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 462 transitions. [2020-10-21 21:38:22,760 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 462 transitions. Word has length 7 [2020-10-21 21:38:22,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:22,760 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 462 transitions. [2020-10-21 21:38:22,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:38:22,761 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 462 transitions. [2020-10-21 21:38:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 21:38:22,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:22,762 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-21 21:38:22,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 21:38:22,762 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:38:22,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:22,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1349464529, now seen corresponding path program 1 times [2020-10-21 21:38:22,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:22,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715197839] [2020-10-21 21:38:22,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:38:22,784 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:38:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:38:22,800 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:38:22,806 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 21:38:22,806 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 21:38:22,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 21:38:22,807 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 21:38:22,809 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-21 21:38:22,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,827 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,827 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:22,862 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 21:38:22,863 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 21:38:22,863 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:38:22,863 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:38:22,863 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:38:22,863 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:38:22,863 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:38:22,863 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:38:22,863 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:38:22,863 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:38:22,866 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:38:22,866 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 73 transitions, 167 flow [2020-10-21 21:38:22,866 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 73 transitions, 167 flow [2020-10-21 21:38:22,866 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 73 places, 73 transitions, 167 flow [2020-10-21 21:38:22,885 INFO L129 PetriNetUnfolder]: 10/99 cut-off events. [2020-10-21 21:38:22,885 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-21 21:38:22,887 INFO L80 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 99 events. 10/99 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 255 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 77. Up to 8 conditions per place. [2020-10-21 21:38:22,890 INFO L116 LiptonReduction]: Number of co-enabled transitions 2592 [2020-10-21 21:38:24,199 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-10-21 21:38:24,614 INFO L131 LiptonReduction]: Checked pairs total: 10249 [2020-10-21 21:38:24,615 INFO L133 LiptonReduction]: Total number of compositions: 79 [2020-10-21 21:38:24,615 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 29 transitions, 79 flow [2020-10-21 21:38:24,728 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1943 states. [2020-10-21 21:38:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states. [2020-10-21 21:38:24,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 21:38:24,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:24,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:38:24,730 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:38:24,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:24,730 INFO L82 PathProgramCache]: Analyzing trace with hash -3978952, now seen corresponding path program 1 times [2020-10-21 21:38:24,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:24,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953125489] [2020-10-21 21:38:24,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:38:24,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953125489] [2020-10-21 21:38:24,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:24,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:38:24,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604059700] [2020-10-21 21:38:24,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:38:24,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:24,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:38:24,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:24,769 INFO L87 Difference]: Start difference. First operand 1943 states. Second operand 3 states. [2020-10-21 21:38:24,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:24,850 INFO L93 Difference]: Finished difference Result 1827 states and 5490 transitions. [2020-10-21 21:38:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:38:24,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 21:38:24,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:24,879 INFO L225 Difference]: With dead ends: 1827 [2020-10-21 21:38:24,879 INFO L226 Difference]: Without dead ends: 1827 [2020-10-21 21:38:24,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:24,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2020-10-21 21:38:24,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1599. [2020-10-21 21:38:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1599 states. [2020-10-21 21:38:24,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 4830 transitions. [2020-10-21 21:38:24,994 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 4830 transitions. Word has length 7 [2020-10-21 21:38:24,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:24,995 INFO L481 AbstractCegarLoop]: Abstraction has 1599 states and 4830 transitions. [2020-10-21 21:38:24,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:38:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 4830 transitions. [2020-10-21 21:38:24,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 21:38:24,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:24,997 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:38:24,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 21:38:24,997 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:38:24,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:24,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1592699914, now seen corresponding path program 1 times [2020-10-21 21:38:24,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:24,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328889595] [2020-10-21 21:38:24,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:38:25,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328889595] [2020-10-21 21:38:25,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:25,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:38:25,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067926826] [2020-10-21 21:38:25,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:38:25,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:25,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:38:25,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:25,051 INFO L87 Difference]: Start difference. First operand 1599 states and 4830 transitions. Second operand 3 states. [2020-10-21 21:38:25,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:25,068 INFO L93 Difference]: Finished difference Result 305 states and 564 transitions. [2020-10-21 21:38:25,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:38:25,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 21:38:25,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:25,070 INFO L225 Difference]: With dead ends: 305 [2020-10-21 21:38:25,070 INFO L226 Difference]: Without dead ends: 305 [2020-10-21 21:38:25,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:25,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-10-21 21:38:25,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-10-21 21:38:25,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-10-21 21:38:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 564 transitions. [2020-10-21 21:38:25,080 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 564 transitions. Word has length 12 [2020-10-21 21:38:25,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:25,080 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 564 transitions. [2020-10-21 21:38:25,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:38:25,080 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 564 transitions. [2020-10-21 21:38:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 21:38:25,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:25,082 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-21 21:38:25,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 21:38:25,082 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:38:25,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:25,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1867690464, now seen corresponding path program 1 times [2020-10-21 21:38:25,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:25,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479191299] [2020-10-21 21:38:25,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:38:25,098 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:38:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:38:25,109 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:38:25,116 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 21:38:25,116 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 21:38:25,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 21:38:25,117 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 21:38:25,117 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-21 21:38:25,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,129 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,129 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,129 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,129 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,129 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,130 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,130 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,133 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,133 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,138 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,138 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,139 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,142 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,144 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,145 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,145 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:25,154 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 21:38:25,154 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-21 21:38:25,155 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:38:25,155 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:38:25,155 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:38:25,155 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:38:25,155 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:38:25,155 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:38:25,155 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:38:25,156 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:38:25,157 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:38:25,157 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 90 transitions, 212 flow [2020-10-21 21:38:25,157 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 90 transitions, 212 flow [2020-10-21 21:38:25,158 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 90 transitions, 212 flow [2020-10-21 21:38:25,197 INFO L129 PetriNetUnfolder]: 13/125 cut-off events. [2020-10-21 21:38:25,197 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-21 21:38:25,202 INFO L80 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 125 events. 13/125 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 346 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 107. Up to 10 conditions per place. [2020-10-21 21:38:25,210 INFO L116 LiptonReduction]: Number of co-enabled transitions 4544 [2020-10-21 21:38:26,416 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-21 21:38:26,832 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-10-21 21:38:27,313 INFO L131 LiptonReduction]: Checked pairs total: 17104 [2020-10-21 21:38:27,314 INFO L133 LiptonReduction]: Total number of compositions: 92 [2020-10-21 21:38:27,314 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 36 transitions, 104 flow [2020-10-21 21:38:28,510 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13605 states. [2020-10-21 21:38:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 13605 states. [2020-10-21 21:38:28,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 21:38:28,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:28,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:38:28,512 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 21:38:28,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:28,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1951407626, now seen corresponding path program 1 times [2020-10-21 21:38:28,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:28,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614273300] [2020-10-21 21:38:28,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:38:28,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614273300] [2020-10-21 21:38:28,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:28,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:38:28,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486396293] [2020-10-21 21:38:28,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:38:28,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:28,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:38:28,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:28,550 INFO L87 Difference]: Start difference. First operand 13605 states. Second operand 3 states. [2020-10-21 21:38:28,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:28,783 INFO L93 Difference]: Finished difference Result 14477 states and 54603 transitions. [2020-10-21 21:38:28,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:38:28,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 21:38:28,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:28,901 INFO L225 Difference]: With dead ends: 14477 [2020-10-21 21:38:28,901 INFO L226 Difference]: Without dead ends: 14477 [2020-10-21 21:38:28,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:29,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14477 states. [2020-10-21 21:38:30,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14477 to 12319. [2020-10-21 21:38:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12319 states. [2020-10-21 21:38:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12319 states to 12319 states and 46956 transitions. [2020-10-21 21:38:30,101 INFO L78 Accepts]: Start accepts. Automaton has 12319 states and 46956 transitions. Word has length 7 [2020-10-21 21:38:30,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:30,101 INFO L481 AbstractCegarLoop]: Abstraction has 12319 states and 46956 transitions. [2020-10-21 21:38:30,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:38:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 12319 states and 46956 transitions. [2020-10-21 21:38:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 21:38:30,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:30,103 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:38:30,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 21:38:30,104 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 21:38:30,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:30,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1877285082, now seen corresponding path program 1 times [2020-10-21 21:38:30,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:30,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342660147] [2020-10-21 21:38:30,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-21 21:38:30,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342660147] [2020-10-21 21:38:30,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:30,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:38:30,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250320715] [2020-10-21 21:38:30,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:38:30,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:30,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:38:30,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:30,130 INFO L87 Difference]: Start difference. First operand 12319 states and 46956 transitions. Second operand 3 states. [2020-10-21 21:38:30,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:30,159 INFO L93 Difference]: Finished difference Result 825 states and 1576 transitions. [2020-10-21 21:38:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:38:30,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 21:38:30,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:30,164 INFO L225 Difference]: With dead ends: 825 [2020-10-21 21:38:30,164 INFO L226 Difference]: Without dead ends: 825 [2020-10-21 21:38:30,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:30,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2020-10-21 21:38:30,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 825. [2020-10-21 21:38:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2020-10-21 21:38:30,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1576 transitions. [2020-10-21 21:38:30,185 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1576 transitions. Word has length 12 [2020-10-21 21:38:30,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:30,185 INFO L481 AbstractCegarLoop]: Abstraction has 825 states and 1576 transitions. [2020-10-21 21:38:30,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:38:30,185 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1576 transitions. [2020-10-21 21:38:30,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 21:38:30,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:30,187 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-10-21 21:38:30,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 21:38:30,187 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 21:38:30,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:30,187 INFO L82 PathProgramCache]: Analyzing trace with hash 173136571, now seen corresponding path program 1 times [2020-10-21 21:38:30,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:30,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128329041] [2020-10-21 21:38:30,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:38:30,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:38:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:38:30,210 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:38:30,217 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 21:38:30,217 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 21:38:30,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 21:38:30,218 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 21:38:30,218 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-21 21:38:30,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,234 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,234 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,248 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,249 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,249 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,249 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:30,258 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 21:38:30,258 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 21:38:30,259 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:38:30,259 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:38:30,259 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:38:30,259 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:38:30,259 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:38:30,259 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:38:30,259 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:38:30,260 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:38:30,261 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:38:30,261 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 107 transitions, 259 flow [2020-10-21 21:38:30,262 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 107 transitions, 259 flow [2020-10-21 21:38:30,262 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 107 transitions, 259 flow [2020-10-21 21:38:30,283 INFO L129 PetriNetUnfolder]: 16/151 cut-off events. [2020-10-21 21:38:30,283 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-21 21:38:30,285 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 151 events. 16/151 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 437 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 138. Up to 12 conditions per place. [2020-10-21 21:38:30,293 INFO L116 LiptonReduction]: Number of co-enabled transitions 7040 [2020-10-21 21:38:30,514 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 18 [2020-10-21 21:38:32,103 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-21 21:38:33,086 INFO L131 LiptonReduction]: Checked pairs total: 27999 [2020-10-21 21:38:33,086 INFO L133 LiptonReduction]: Total number of compositions: 120 [2020-10-21 21:38:33,086 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 45 transitions, 135 flow [2020-10-21 21:39:04,049 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 95239 states. [2020-10-21 21:39:04,049 INFO L276 IsEmpty]: Start isEmpty. Operand 95239 states. [2020-10-21 21:39:04,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 21:39:04,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:39:04,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:39:04,050 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:39:04,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:39:04,051 INFO L82 PathProgramCache]: Analyzing trace with hash 523407935, now seen corresponding path program 1 times [2020-10-21 21:39:04,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:39:04,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739833817] [2020-10-21 21:39:04,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:39:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:39:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:39:04,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739833817] [2020-10-21 21:39:04,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:39:04,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:39:04,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2285409] [2020-10-21 21:39:04,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:39:04,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:39:04,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:39:04,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:39:04,097 INFO L87 Difference]: Start difference. First operand 95239 states. Second operand 3 states. [2020-10-21 21:39:05,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:39:05,226 INFO L93 Difference]: Finished difference Result 110595 states and 502973 transitions. [2020-10-21 21:39:05,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:39:05,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 21:39:05,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:39:05,891 INFO L225 Difference]: With dead ends: 110595 [2020-10-21 21:39:05,891 INFO L226 Difference]: Without dead ends: 110595 [2020-10-21 21:39:05,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:39:11,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110595 states. [2020-10-21 21:39:14,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110595 to 93453. [2020-10-21 21:39:14,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93453 states. [2020-10-21 21:39:14,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93453 states to 93453 states and 431060 transitions. [2020-10-21 21:39:14,753 INFO L78 Accepts]: Start accepts. Automaton has 93453 states and 431060 transitions. Word has length 7 [2020-10-21 21:39:14,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:39:14,753 INFO L481 AbstractCegarLoop]: Abstraction has 93453 states and 431060 transitions. [2020-10-21 21:39:14,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:39:14,753 INFO L276 IsEmpty]: Start isEmpty. Operand 93453 states and 431060 transitions. [2020-10-21 21:39:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 21:39:14,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:39:14,754 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:39:14,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 21:39:14,754 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:39:14,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:39:14,754 INFO L82 PathProgramCache]: Analyzing trace with hash 22194088, now seen corresponding path program 1 times [2020-10-21 21:39:14,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:39:14,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772188558] [2020-10-21 21:39:14,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:39:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:39:14,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:39:14,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772188558] [2020-10-21 21:39:14,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:39:14,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:39:14,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076330207] [2020-10-21 21:39:14,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:39:14,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:39:14,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:39:14,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:39:14,790 INFO L87 Difference]: Start difference. First operand 93453 states and 431060 transitions. Second operand 3 states. [2020-10-21 21:39:14,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:39:14,829 INFO L93 Difference]: Finished difference Result 2089 states and 4072 transitions. [2020-10-21 21:39:14,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:39:14,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 21:39:14,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:39:14,833 INFO L225 Difference]: With dead ends: 2089 [2020-10-21 21:39:14,833 INFO L226 Difference]: Without dead ends: 2089 [2020-10-21 21:39:14,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:39:14,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-10-21 21:39:14,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-10-21 21:39:14,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-10-21 21:39:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 4072 transitions. [2020-10-21 21:39:14,882 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 4072 transitions. Word has length 12 [2020-10-21 21:39:14,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:39:14,882 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 4072 transitions. [2020-10-21 21:39:14,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:39:14,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 4072 transitions. [2020-10-21 21:39:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 21:39:14,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:39:14,884 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:39:14,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 21:39:14,884 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:39:14,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:39:14,885 INFO L82 PathProgramCache]: Analyzing trace with hash 2026782271, now seen corresponding path program 1 times [2020-10-21 21:39:14,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:39:14,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898162145] [2020-10-21 21:39:14,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:39:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:39:14,908 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:39:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:39:14,916 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:39:14,923 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 21:39:14,923 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 21:39:14,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 21:39:14,924 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 21:39:14,924 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-21 21:39:14,934 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,934 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,935 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,935 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,935 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,936 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,939 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,939 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,939 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,940 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:39:14,959 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 21:39:14,959 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-21 21:39:14,959 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:39:14,959 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:39:14,959 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:39:14,959 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:39:14,960 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:39:14,960 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:39:14,960 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:39:14,960 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:39:14,961 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:39:14,961 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 124 transitions, 308 flow [2020-10-21 21:39:14,962 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 124 transitions, 308 flow [2020-10-21 21:39:14,962 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 124 places, 124 transitions, 308 flow [2020-10-21 21:39:14,999 INFO L129 PetriNetUnfolder]: 19/177 cut-off events. [2020-10-21 21:39:14,999 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-21 21:39:15,001 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 177 events. 19/177 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 530 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 171. Up to 14 conditions per place. [2020-10-21 21:39:15,012 INFO L116 LiptonReduction]: Number of co-enabled transitions 10080 [2020-10-21 21:39:17,914 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-10-21 21:39:18,966 INFO L131 LiptonReduction]: Checked pairs total: 42942 [2020-10-21 21:39:18,967 INFO L133 LiptonReduction]: Total number of compositions: 138 [2020-10-21 21:39:18,967 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 52 transitions, 164 flow Received shutdown request... [2020-10-21 21:42:42,659 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-21 21:42:42,667 WARN L235 ceAbstractionStarter]: Timeout [2020-10-21 21:42:42,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 09:42:42 BasicIcfg [2020-10-21 21:42:42,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 21:42:42,671 INFO L168 Benchmark]: Toolchain (without parser) took 264181.10 ms. Allocated memory was 138.4 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 100.2 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2020-10-21 21:42:42,674 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 21:42:42,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.13 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 99.1 MB in the beginning and 156.5 MB in the end (delta: -57.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-21 21:42:42,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.76 ms. Allocated memory is still 200.3 MB. Free memory was 156.5 MB in the beginning and 154.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-21 21:42:42,678 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 ms. Allocated memory is still 200.3 MB. Free memory was 154.4 MB in the beginning and 153.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-21 21:42:42,680 INFO L168 Benchmark]: RCFGBuilder took 513.17 ms. Allocated memory is still 200.3 MB. Free memory was 153.0 MB in the beginning and 127.7 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-10-21 21:42:42,685 INFO L168 Benchmark]: TraceAbstraction took 262929.19 ms. Allocated memory was 200.3 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 127.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2020-10-21 21:42:42,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.13 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 99.1 MB in the beginning and 156.5 MB in the end (delta: -57.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.76 ms. Allocated memory is still 200.3 MB. Free memory was 156.5 MB in the beginning and 154.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.00 ms. Allocated memory is still 200.3 MB. Free memory was 154.4 MB in the beginning and 153.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 513.17 ms. Allocated memory is still 200.3 MB. Free memory was 153.0 MB in the beginning and 127.7 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262929.19 ms. Allocated memory was 200.3 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 127.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 216 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 2 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 39 PlacesBefore, 11 PlacesAfterwards, 39 TransitionsBefore, 8 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 43 TotalNumberOfCompositions, 343 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 920 VarBasedMoverChecksPositive, 96 VarBasedMoverChecksNegative, 69 SemBasedMoverChecksPositive, 27 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 127 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 56 PlacesBefore, 24 PlacesAfterwards, 56 TransitionsBefore, 21 TransitionsAfterwards, 1184 CoEnabledTransitionPairs, 8 FixpointIterations, 11 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 57 TotalNumberOfCompositions, 4354 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1927 VarBasedMoverChecksPositive, 269 VarBasedMoverChecksNegative, 224 SemBasedMoverChecksPositive, 45 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 179 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 73 PlacesBefore, 33 PlacesAfterwards, 73 TransitionsBefore, 29 TransitionsAfterwards, 2592 CoEnabledTransitionPairs, 8 FixpointIterations, 11 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 4 ChoiceCompositions, 79 TotalNumberOfCompositions, 10249 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3452 VarBasedMoverChecksPositive, 397 VarBasedMoverChecksNegative, 311 SemBasedMoverChecksPositive, 86 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 399 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 90 PlacesBefore, 42 PlacesAfterwards, 90 TransitionsBefore, 36 TransitionsAfterwards, 4544 CoEnabledTransitionPairs, 7 FixpointIterations, 11 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 6 ChoiceCompositions, 92 TotalNumberOfCompositions, 17104 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5241 VarBasedMoverChecksPositive, 882 VarBasedMoverChecksNegative, 804 SemBasedMoverChecksPositive, 78 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 409 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.8s, 107 PlacesBefore, 51 PlacesAfterwards, 107 TransitionsBefore, 45 TransitionsAfterwards, 7040 CoEnabledTransitionPairs, 7 FixpointIterations, 11 TrivialSequentialCompositions, 76 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 27 ConcurrentYvCompositions, 6 ChoiceCompositions, 120 TotalNumberOfCompositions, 27999 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7092 VarBasedMoverChecksPositive, 1020 VarBasedMoverChecksNegative, 923 SemBasedMoverChecksPositive, 97 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 2.4s, 570 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 124 PlacesBefore, 60 PlacesAfterwards, 124 TransitionsBefore, 52 TransitionsAfterwards, 10080 CoEnabledTransitionPairs, 8 FixpointIterations, 11 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 27 ConcurrentYvCompositions, 8 ChoiceCompositions, 138 TotalNumberOfCompositions, 42942 MoverChecksTotal - TimeoutResultAtElement [Line: 16]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 16). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 60 places, 52 transitions, 164 flow. Already constructed 272811 states. Currently 57744 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 6 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 262.6s, OverallIterations: 13, TraceHistogramMax: 6, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 249.0s, HoareTripleCheckerStatistics: 210 SDtfs, 110 SDslu, 71 SDs, 0 SdLazy, 83 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95239occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 19544 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 894 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown