/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread-ext/01_inc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 03:29:03,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 03:29:03,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 03:29:03,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 03:29:03,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 03:29:03,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 03:29:03,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 03:29:03,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 03:29:03,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 03:29:03,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 03:29:03,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 03:29:03,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 03:29:03,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 03:29:03,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 03:29:03,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 03:29:03,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 03:29:03,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 03:29:03,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 03:29:03,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 03:29:03,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 03:29:03,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 03:29:03,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 03:29:03,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 03:29:03,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 03:29:03,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 03:29:03,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 03:29:03,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 03:29:03,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 03:29:03,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 03:29:03,207 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 03:29:03,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 03:29:03,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 03:29:03,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 03:29:03,209 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 03:29:03,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 03:29:03,209 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 03:29:03,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 03:29:03,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 03:29:03,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 03:29:03,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 03:29:03,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 03:29:03,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 03:29:03,210 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 03:29:03,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 03:29:03,211 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 03:29:03,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 03:29:03,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 03:29:03,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 03:29:03,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 03:29:03,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 03:29:03,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 03:29:03,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 03:29:03,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 03:29:03,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 03:29:03,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 03:29:03,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 03:29:03,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 03:29:03,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 03:29:03,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 03:29:03,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 03:29:03,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 03:29:03,537 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 03:29:03,540 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 03:29:03,541 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01_inc.i [2020-10-16 03:29:03,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770c754f1/455e07f04bf64067af334b18b3c20285/FLAGc87fcf6b7 [2020-10-16 03:29:04,133 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 03:29:04,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01_inc.i [2020-10-16 03:29:04,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770c754f1/455e07f04bf64067af334b18b3c20285/FLAGc87fcf6b7 [2020-10-16 03:29:04,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770c754f1/455e07f04bf64067af334b18b3c20285 [2020-10-16 03:29:04,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 03:29:04,449 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 03:29:04,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 03:29:04,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 03:29:04,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 03:29:04,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:29:04" (1/1) ... [2020-10-16 03:29:04,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29841318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:04, skipping insertion in model container [2020-10-16 03:29:04,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:29:04" (1/1) ... [2020-10-16 03:29:04,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 03:29:04,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 03:29:04,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 03:29:04,986 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 03:29:05,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 03:29:05,123 INFO L208 MainTranslator]: Completed translation [2020-10-16 03:29:05,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05 WrapperNode [2020-10-16 03:29:05,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 03:29:05,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 03:29:05,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 03:29:05,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 03:29:05,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (1/1) ... [2020-10-16 03:29:05,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (1/1) ... [2020-10-16 03:29:05,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 03:29:05,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 03:29:05,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 03:29:05,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 03:29:05,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (1/1) ... [2020-10-16 03:29:05,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (1/1) ... [2020-10-16 03:29:05,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (1/1) ... [2020-10-16 03:29:05,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (1/1) ... [2020-10-16 03:29:05,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (1/1) ... [2020-10-16 03:29:05,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (1/1) ... [2020-10-16 03:29:05,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (1/1) ... [2020-10-16 03:29:05,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 03:29:05,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 03:29:05,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 03:29:05,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 03:29:05,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 03:29:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 03:29:05,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 03:29:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 03:29:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 03:29:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 03:29:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 03:29:05,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 03:29:05,269 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 03:29:05,701 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 03:29:05,701 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-16 03:29:05,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:29:05 BoogieIcfgContainer [2020-10-16 03:29:05,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 03:29:05,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 03:29:05,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 03:29:05,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 03:29:05,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:29:04" (1/3) ... [2020-10-16 03:29:05,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3431161a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:29:05, skipping insertion in model container [2020-10-16 03:29:05,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05" (2/3) ... [2020-10-16 03:29:05,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3431161a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:29:05, skipping insertion in model container [2020-10-16 03:29:05,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:29:05" (3/3) ... [2020-10-16 03:29:05,712 INFO L111 eAbstractionObserver]: Analyzing ICFG 01_inc.i [2020-10-16 03:29:05,732 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 03:29:05,739 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 03:29:05,740 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 03:29:05,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:05,797 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 03:29:05,823 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 03:29:05,823 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 03:29:05,823 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 03:29:05,823 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 03:29:05,823 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 03:29:05,824 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 03:29:05,824 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 03:29:05,824 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 03:29:05,835 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 35 places, 35 transitions, 75 flow [2020-10-16 03:29:05,865 INFO L129 PetriNetUnfolder]: 4/43 cut-off events. [2020-10-16 03:29:05,866 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:29:05,870 INFO L80 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 4/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2020-10-16 03:29:05,870 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 35 transitions, 75 flow [2020-10-16 03:29:05,882 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 35 transitions, 75 flow [2020-10-16 03:29:05,887 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 03:29:05,890 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 35 transitions, 75 flow [2020-10-16 03:29:05,893 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 35 transitions, 75 flow [2020-10-16 03:29:05,893 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 35 places, 35 transitions, 75 flow [2020-10-16 03:29:05,907 INFO L129 PetriNetUnfolder]: 4/43 cut-off events. [2020-10-16 03:29:05,907 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:29:05,908 INFO L80 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 4/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2020-10-16 03:29:05,909 INFO L117 LiptonReduction]: Number of co-enabled transitions 320 [2020-10-16 03:29:07,002 INFO L132 LiptonReduction]: Checked pairs total: 295 [2020-10-16 03:29:07,003 INFO L134 LiptonReduction]: Total number of compositions: 34 [2020-10-16 03:29:07,005 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1123 [2020-10-16 03:29:07,012 INFO L129 PetriNetUnfolder]: 0/6 cut-off events. [2020-10-16 03:29:07,012 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:29:07,012 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:29:07,013 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 03:29:07,014 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 03:29:07,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:29:07,019 INFO L82 PathProgramCache]: Analyzing trace with hash 7400622, now seen corresponding path program 1 times [2020-10-16 03:29:07,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:29:07,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854369833] [2020-10-16 03:29:07,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:29:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:29:07,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:29:07,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854369833] [2020-10-16 03:29:07,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:29:07,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 03:29:07,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413401112] [2020-10-16 03:29:07,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 03:29:07,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:29:07,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 03:29:07,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 03:29:07,197 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 69 [2020-10-16 03:29:07,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 8 transitions, 21 flow. Second operand 2 states. [2020-10-16 03:29:07,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:29:07,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 69 [2020-10-16 03:29:07,200 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:29:07,207 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2020-10-16 03:29:07,207 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:29:07,207 INFO L80 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 7 events. 0/7 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 3/10 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-16 03:29:07,208 INFO L132 encePairwiseOnDemand]: 67/69 looper letters, 0 selfloop transitions, 0 changer transitions 0/6 dead transitions. [2020-10-16 03:29:07,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 6 transitions, 17 flow [2020-10-16 03:29:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 03:29:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 03:29:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 122 transitions. [2020-10-16 03:29:07,223 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8840579710144928 [2020-10-16 03:29:07,223 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 122 transitions. [2020-10-16 03:29:07,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 122 transitions. [2020-10-16 03:29:07,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:29:07,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 122 transitions. [2020-10-16 03:29:07,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 03:29:07,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 03:29:07,236 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 03:29:07,238 INFO L185 Difference]: Start difference. First operand has 11 places, 8 transitions, 21 flow. Second operand 2 states and 122 transitions. [2020-10-16 03:29:07,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 6 transitions, 17 flow [2020-10-16 03:29:07,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 6 transitions, 17 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 03:29:07,243 INFO L241 Difference]: Finished difference. Result has 10 places, 6 transitions, 17 flow [2020-10-16 03:29:07,246 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=17, PETRI_PLACES=10, PETRI_TRANSITIONS=6} [2020-10-16 03:29:07,247 INFO L342 CegarLoopForPetriNet]: 11 programPoint places, -1 predicate places. [2020-10-16 03:29:07,247 INFO L481 AbstractCegarLoop]: Abstraction has has 10 places, 6 transitions, 17 flow [2020-10-16 03:29:07,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 03:29:07,248 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:29:07,248 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2020-10-16 03:29:07,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 03:29:07,248 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 03:29:07,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:29:07,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1478000843, now seen corresponding path program 1 times [2020-10-16 03:29:07,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:29:07,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144113274] [2020-10-16 03:29:07,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:29:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:29:07,279 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:29:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:29:07,303 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:29:07,326 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 03:29:07,326 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 03:29:07,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 03:29:07,329 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 03:29:07,330 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 03:29:07,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,355 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:07,359 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 03:29:07,359 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 03:29:07,359 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 03:29:07,360 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 03:29:07,360 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 03:29:07,360 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 03:29:07,360 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 03:29:07,360 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 03:29:07,360 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 03:29:07,366 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 116 flow [2020-10-16 03:29:07,399 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2020-10-16 03:29:07,399 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 03:29:07,400 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 7/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 166 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2020-10-16 03:29:07,401 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 52 transitions, 116 flow [2020-10-16 03:29:07,404 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 52 transitions, 116 flow [2020-10-16 03:29:07,404 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 03:29:07,404 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 52 transitions, 116 flow [2020-10-16 03:29:07,404 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 52 transitions, 116 flow [2020-10-16 03:29:07,405 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 116 flow [2020-10-16 03:29:07,431 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2020-10-16 03:29:07,431 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 03:29:07,433 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 7/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 164 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2020-10-16 03:29:07,435 INFO L117 LiptonReduction]: Number of co-enabled transitions 1184 [2020-10-16 03:29:08,392 INFO L132 LiptonReduction]: Checked pairs total: 3194 [2020-10-16 03:29:08,392 INFO L134 LiptonReduction]: Total number of compositions: 34 [2020-10-16 03:29:08,393 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 989 [2020-10-16 03:29:08,400 INFO L129 PetriNetUnfolder]: 1/24 cut-off events. [2020-10-16 03:29:08,401 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 03:29:08,401 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:29:08,401 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-16 03:29:08,401 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:29:08,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:29:08,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1335142672, now seen corresponding path program 1 times [2020-10-16 03:29:08,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:29:08,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524917034] [2020-10-16 03:29:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:29:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:29:08,420 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:29:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:29:08,432 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:29:08,437 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 03:29:08,437 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 03:29:08,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 03:29:08,438 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 03:29:08,439 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 03:29:08,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:08,467 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 03:29:08,468 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 03:29:08,468 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 03:29:08,468 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 03:29:08,468 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 03:29:08,468 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 03:29:08,468 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 03:29:08,468 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 03:29:08,469 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 03:29:08,471 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 69 transitions, 159 flow [2020-10-16 03:29:08,485 INFO L129 PetriNetUnfolder]: 10/95 cut-off events. [2020-10-16 03:29:08,485 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 03:29:08,487 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 95 events. 10/95 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 251 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-10-16 03:29:08,487 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 69 transitions, 159 flow [2020-10-16 03:29:08,488 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 69 transitions, 159 flow [2020-10-16 03:29:08,488 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 03:29:08,488 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 69 transitions, 159 flow [2020-10-16 03:29:08,488 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 69 transitions, 159 flow [2020-10-16 03:29:08,489 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 69 transitions, 159 flow [2020-10-16 03:29:08,501 INFO L129 PetriNetUnfolder]: 10/95 cut-off events. [2020-10-16 03:29:08,501 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 03:29:08,503 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 95 events. 10/95 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 266 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-10-16 03:29:08,506 INFO L117 LiptonReduction]: Number of co-enabled transitions 2592 [2020-10-16 03:29:09,635 INFO L132 LiptonReduction]: Checked pairs total: 9163 [2020-10-16 03:29:09,635 INFO L134 LiptonReduction]: Total number of compositions: 43 [2020-10-16 03:29:09,635 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1147 [2020-10-16 03:29:09,639 INFO L129 PetriNetUnfolder]: 1/24 cut-off events. [2020-10-16 03:29:09,639 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 03:29:09,639 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:29:09,640 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:29:09,640 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:29:09,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:29:09,640 INFO L82 PathProgramCache]: Analyzing trace with hash 680083894, now seen corresponding path program 1 times [2020-10-16 03:29:09,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:29:09,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306068254] [2020-10-16 03:29:09,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:29:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:29:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:29:09,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306068254] [2020-10-16 03:29:09,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:29:09,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:29:09,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994426735] [2020-10-16 03:29:09,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 03:29:09,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:29:09,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 03:29:09,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 03:29:09,813 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 112 [2020-10-16 03:29:09,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 35 transitions, 91 flow. Second operand 5 states. [2020-10-16 03:29:09,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:29:09,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 112 [2020-10-16 03:29:09,814 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:29:10,175 INFO L129 PetriNetUnfolder]: 702/1333 cut-off events. [2020-10-16 03:29:10,176 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2020-10-16 03:29:10,181 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2513 conditions, 1333 events. 702/1333 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8820 event pairs, 251 based on Foata normal form. 470/1433 useless extension candidates. Maximal degree in co-relation 2484. Up to 506 conditions per place. [2020-10-16 03:29:10,193 INFO L132 encePairwiseOnDemand]: 101/112 looper letters, 53 selfloop transitions, 12 changer transitions 0/78 dead transitions. [2020-10-16 03:29:10,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 78 transitions, 307 flow [2020-10-16 03:29:10,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:29:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:29:10,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 436 transitions. [2020-10-16 03:29:10,198 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6488095238095238 [2020-10-16 03:29:10,198 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 436 transitions. [2020-10-16 03:29:10,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 436 transitions. [2020-10-16 03:29:10,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:29:10,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 436 transitions. [2020-10-16 03:29:10,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:29:10,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:29:10,205 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:29:10,205 INFO L185 Difference]: Start difference. First operand has 39 places, 35 transitions, 91 flow. Second operand 6 states and 436 transitions. [2020-10-16 03:29:10,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 78 transitions, 307 flow [2020-10-16 03:29:10,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 78 transitions, 301 flow, removed 3 selfloop flow, removed 0 redundant places. [2020-10-16 03:29:10,209 INFO L241 Difference]: Finished difference. Result has 47 places, 46 transitions, 174 flow [2020-10-16 03:29:10,210 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=174, PETRI_PLACES=47, PETRI_TRANSITIONS=46} [2020-10-16 03:29:10,210 INFO L342 CegarLoopForPetriNet]: 39 programPoint places, 8 predicate places. [2020-10-16 03:29:10,210 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 46 transitions, 174 flow [2020-10-16 03:29:10,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 03:29:10,211 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:29:10,211 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-16 03:29:10,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 03:29:10,211 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:29:10,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:29:10,211 INFO L82 PathProgramCache]: Analyzing trace with hash -450990296, now seen corresponding path program 1 times [2020-10-16 03:29:10,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:29:10,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655458369] [2020-10-16 03:29:10,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:29:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:29:10,227 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:29:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:29:10,245 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:29:10,254 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 03:29:10,254 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 03:29:10,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 03:29:10,258 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 03:29:10,259 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 03:29:10,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,270 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,270 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,273 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,273 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,273 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,274 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,276 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,278 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,278 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,278 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,278 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,280 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,280 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,281 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,281 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,281 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,281 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,282 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,282 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,282 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,283 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,283 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,283 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,283 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,283 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,287 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,287 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,287 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,288 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,288 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,288 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,288 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,288 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,288 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,289 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,289 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,289 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,290 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,290 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,290 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,290 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,295 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,296 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,296 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,296 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,299 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,299 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,299 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,299 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,299 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,301 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,301 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:10,303 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 03:29:10,304 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 03:29:10,304 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 03:29:10,304 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 03:29:10,304 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 03:29:10,304 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 03:29:10,304 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 03:29:10,304 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 03:29:10,304 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 03:29:10,309 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 86 transitions, 204 flow [2020-10-16 03:29:10,323 INFO L129 PetriNetUnfolder]: 13/121 cut-off events. [2020-10-16 03:29:10,323 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 03:29:10,325 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 121 events. 13/121 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 357 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 104. Up to 10 conditions per place. [2020-10-16 03:29:10,326 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 86 transitions, 204 flow [2020-10-16 03:29:10,328 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 86 transitions, 204 flow [2020-10-16 03:29:10,328 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 03:29:10,329 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 86 transitions, 204 flow [2020-10-16 03:29:10,329 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 86 transitions, 204 flow [2020-10-16 03:29:10,329 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 86 transitions, 204 flow [2020-10-16 03:29:10,344 INFO L129 PetriNetUnfolder]: 13/121 cut-off events. [2020-10-16 03:29:10,345 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 03:29:10,346 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 121 events. 13/121 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 345 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 104. Up to 10 conditions per place. [2020-10-16 03:29:10,351 INFO L117 LiptonReduction]: Number of co-enabled transitions 4544 [2020-10-16 03:29:11,985 INFO L132 LiptonReduction]: Checked pairs total: 16244 [2020-10-16 03:29:11,986 INFO L134 LiptonReduction]: Total number of compositions: 54 [2020-10-16 03:29:11,986 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1658 [2020-10-16 03:29:11,989 INFO L129 PetriNetUnfolder]: 1/24 cut-off events. [2020-10-16 03:29:11,990 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 03:29:11,990 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:29:11,990 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:29:11,990 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 03:29:11,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:29:11,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1611612170, now seen corresponding path program 1 times [2020-10-16 03:29:11,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:29:11,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061199288] [2020-10-16 03:29:11,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:29:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:29:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:29:12,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061199288] [2020-10-16 03:29:12,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:29:12,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:29:12,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086354677] [2020-10-16 03:29:12,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 03:29:12,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:29:12,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 03:29:12,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 03:29:12,107 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 140 [2020-10-16 03:29:12,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 122 flow. Second operand 5 states. [2020-10-16 03:29:12,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:29:12,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 140 [2020-10-16 03:29:12,107 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:29:14,221 INFO L129 PetriNetUnfolder]: 8551/13394 cut-off events. [2020-10-16 03:29:14,221 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2020-10-16 03:29:14,291 INFO L80 FinitePrefix]: Finished finitePrefix Result has 25582 conditions, 13394 events. 8551/13394 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 997. Compared 102016 event pairs, 3733 based on Foata normal form. 3665/13077 useless extension candidates. Maximal degree in co-relation 25543. Up to 5759 conditions per place. [2020-10-16 03:29:14,404 INFO L132 encePairwiseOnDemand]: 127/140 looper letters, 74 selfloop transitions, 15 changer transitions 0/106 dead transitions. [2020-10-16 03:29:14,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 106 transitions, 422 flow [2020-10-16 03:29:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:29:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:29:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 552 transitions. [2020-10-16 03:29:14,407 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6571428571428571 [2020-10-16 03:29:14,407 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 552 transitions. [2020-10-16 03:29:14,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 552 transitions. [2020-10-16 03:29:14,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:29:14,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 552 transitions. [2020-10-16 03:29:14,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:29:14,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:29:14,412 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:29:14,412 INFO L185 Difference]: Start difference. First operand has 50 places, 45 transitions, 122 flow. Second operand 6 states and 552 transitions. [2020-10-16 03:29:14,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 106 transitions, 422 flow [2020-10-16 03:29:14,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 106 transitions, 410 flow, removed 6 selfloop flow, removed 0 redundant places. [2020-10-16 03:29:14,416 INFO L241 Difference]: Finished difference. Result has 58 places, 60 transitions, 226 flow [2020-10-16 03:29:14,416 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=226, PETRI_PLACES=58, PETRI_TRANSITIONS=60} [2020-10-16 03:29:14,417 INFO L342 CegarLoopForPetriNet]: 50 programPoint places, 8 predicate places. [2020-10-16 03:29:14,417 INFO L481 AbstractCegarLoop]: Abstraction has has 58 places, 60 transitions, 226 flow [2020-10-16 03:29:14,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 03:29:14,417 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:29:14,417 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:29:14,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 03:29:14,418 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 03:29:14,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:29:14,418 INFO L82 PathProgramCache]: Analyzing trace with hash -2021235878, now seen corresponding path program 1 times [2020-10-16 03:29:14,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:29:14,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127753300] [2020-10-16 03:29:14,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:29:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:29:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 03:29:14,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127753300] [2020-10-16 03:29:14,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:29:14,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:29:14,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158359102] [2020-10-16 03:29:14,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 03:29:14,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:29:14,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 03:29:14,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 03:29:14,498 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 140 [2020-10-16 03:29:14,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 60 transitions, 226 flow. Second operand 5 states. [2020-10-16 03:29:14,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:29:14,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 140 [2020-10-16 03:29:14,499 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:29:17,864 INFO L129 PetriNetUnfolder]: 14599/23537 cut-off events. [2020-10-16 03:29:17,864 INFO L130 PetriNetUnfolder]: For 10478/10767 co-relation queries the response was YES. [2020-10-16 03:29:17,974 INFO L80 FinitePrefix]: Finished finitePrefix Result has 55405 conditions, 23537 events. 14599/23537 cut-off events. For 10478/10767 co-relation queries the response was YES. Maximal size of possible extension queue 1793. Compared 204201 event pairs, 6993 based on Foata normal form. 62/19990 useless extension candidates. Maximal degree in co-relation 55348. Up to 10438 conditions per place. [2020-10-16 03:29:18,155 INFO L132 encePairwiseOnDemand]: 132/140 looper letters, 87 selfloop transitions, 25 changer transitions 0/130 dead transitions. [2020-10-16 03:29:18,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 130 transitions, 689 flow [2020-10-16 03:29:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:29:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:29:18,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 541 transitions. [2020-10-16 03:29:18,159 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6440476190476191 [2020-10-16 03:29:18,159 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 541 transitions. [2020-10-16 03:29:18,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 541 transitions. [2020-10-16 03:29:18,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:29:18,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 541 transitions. [2020-10-16 03:29:18,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:29:18,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:29:18,163 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:29:18,163 INFO L185 Difference]: Start difference. First operand has 58 places, 60 transitions, 226 flow. Second operand 6 states and 541 transitions. [2020-10-16 03:29:18,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 130 transitions, 689 flow [2020-10-16 03:29:18,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 130 transitions, 689 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 03:29:18,248 INFO L241 Difference]: Finished difference. Result has 65 places, 76 transitions, 397 flow [2020-10-16 03:29:18,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=397, PETRI_PLACES=65, PETRI_TRANSITIONS=76} [2020-10-16 03:29:18,248 INFO L342 CegarLoopForPetriNet]: 50 programPoint places, 15 predicate places. [2020-10-16 03:29:18,249 INFO L481 AbstractCegarLoop]: Abstraction has has 65 places, 76 transitions, 397 flow [2020-10-16 03:29:18,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 03:29:18,249 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:29:18,249 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-10-16 03:29:18,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 03:29:18,249 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 03:29:18,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:29:18,250 INFO L82 PathProgramCache]: Analyzing trace with hash 649438076, now seen corresponding path program 1 times [2020-10-16 03:29:18,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:29:18,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173993487] [2020-10-16 03:29:18,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:29:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:29:18,263 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:29:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:29:18,273 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:29:18,393 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 03:29:18,394 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 03:29:18,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 03:29:18,394 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 03:29:18,395 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-16 03:29:18,405 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,406 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,406 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,407 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,407 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,407 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,408 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,408 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,408 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,408 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,408 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,409 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,409 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,411 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,411 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,412 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,412 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,415 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,415 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,417 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,417 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,417 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,418 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,418 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,418 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,418 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,419 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,419 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,419 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,419 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,419 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,419 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,420 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,420 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,420 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,421 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,421 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:29:18,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 03:29:18,438 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 03:29:18,438 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 03:29:18,438 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 03:29:18,439 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 03:29:18,439 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 03:29:18,439 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 03:29:18,439 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 03:29:18,439 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 03:29:18,440 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 251 flow [2020-10-16 03:29:18,454 INFO L129 PetriNetUnfolder]: 16/147 cut-off events. [2020-10-16 03:29:18,454 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 03:29:18,455 INFO L80 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 16/147 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 449 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 137. Up to 12 conditions per place. [2020-10-16 03:29:18,455 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 103 transitions, 251 flow [2020-10-16 03:29:18,457 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 103 transitions, 251 flow [2020-10-16 03:29:18,457 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 03:29:18,457 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 103 transitions, 251 flow [2020-10-16 03:29:18,457 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 103 transitions, 251 flow [2020-10-16 03:29:18,457 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 251 flow [2020-10-16 03:29:18,471 INFO L129 PetriNetUnfolder]: 16/147 cut-off events. [2020-10-16 03:29:18,471 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 03:29:18,472 INFO L80 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 16/147 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 456 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 137. Up to 12 conditions per place. [2020-10-16 03:29:18,480 INFO L117 LiptonReduction]: Number of co-enabled transitions 7040 [2020-10-16 03:29:20,778 INFO L132 LiptonReduction]: Checked pairs total: 36976 [2020-10-16 03:29:20,778 INFO L134 LiptonReduction]: Total number of compositions: 65 [2020-10-16 03:29:20,779 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2322 [2020-10-16 03:29:20,783 INFO L129 PetriNetUnfolder]: 1/25 cut-off events. [2020-10-16 03:29:20,783 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 03:29:20,783 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:29:20,783 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:29:20,784 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]=== [2020-10-16 03:29:20,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:29:20,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1566824361, now seen corresponding path program 1 times [2020-10-16 03:29:20,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:29:20,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388002500] [2020-10-16 03:29:20,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:29:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:29:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:29:20,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388002500] [2020-10-16 03:29:20,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:29:20,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:29:20,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724364884] [2020-10-16 03:29:20,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 03:29:20,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:29:20,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 03:29:20,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 03:29:20,942 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 168 [2020-10-16 03:29:20,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 56 transitions, 157 flow. Second operand 5 states. [2020-10-16 03:29:20,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:29:20,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 168 [2020-10-16 03:29:20,944 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:29:36,148 INFO L129 PetriNetUnfolder]: 86056/123217 cut-off events. [2020-10-16 03:29:36,148 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-16 03:29:36,684 INFO L80 FinitePrefix]: Finished finitePrefix Result has 235852 conditions, 123217 events. 86056/123217 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 6772. Compared 1028485 event pairs, 35826 based on Foata normal form. 30411/116222 useless extension candidates. Maximal degree in co-relation 235802. Up to 56488 conditions per place. [2020-10-16 03:29:37,398 INFO L132 encePairwiseOnDemand]: 152/168 looper letters, 95 selfloop transitions, 18 changer transitions 0/134 dead transitions. [2020-10-16 03:29:37,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 134 transitions, 539 flow [2020-10-16 03:29:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:29:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:29:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 679 transitions. [2020-10-16 03:29:37,402 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6736111111111112 [2020-10-16 03:29:37,402 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 679 transitions. [2020-10-16 03:29:37,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 679 transitions. [2020-10-16 03:29:37,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:29:37,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 679 transitions. [2020-10-16 03:29:37,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:29:37,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:29:37,407 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:29:37,407 INFO L185 Difference]: Start difference. First operand has 61 places, 56 transitions, 157 flow. Second operand 6 states and 679 transitions. [2020-10-16 03:29:37,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 134 transitions, 539 flow [2020-10-16 03:29:37,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 134 transitions, 519 flow, removed 10 selfloop flow, removed 0 redundant places. [2020-10-16 03:29:37,411 INFO L241 Difference]: Finished difference. Result has 69 places, 74 transitions, 278 flow [2020-10-16 03:29:37,412 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=278, PETRI_PLACES=69, PETRI_TRANSITIONS=74} [2020-10-16 03:29:37,412 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 8 predicate places. [2020-10-16 03:29:37,412 INFO L481 AbstractCegarLoop]: Abstraction has has 69 places, 74 transitions, 278 flow [2020-10-16 03:29:37,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 03:29:37,412 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:29:37,412 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:29:37,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 03:29:37,413 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]=== [2020-10-16 03:29:37,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:29:37,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1076432545, now seen corresponding path program 1 times [2020-10-16 03:29:37,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:29:37,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480183735] [2020-10-16 03:29:37,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:29:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:29:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 03:29:37,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480183735] [2020-10-16 03:29:37,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:29:37,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:29:37,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292359551] [2020-10-16 03:29:37,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 03:29:37,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:29:37,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 03:29:37,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 03:29:37,530 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 168 [2020-10-16 03:29:37,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 74 transitions, 278 flow. Second operand 5 states. [2020-10-16 03:29:37,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:29:37,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 168 [2020-10-16 03:29:37,531 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:30:16,382 INFO L129 PetriNetUnfolder]: 162949/232542 cut-off events. [2020-10-16 03:30:16,382 INFO L130 PetriNetUnfolder]: For 113893/116505 co-relation queries the response was YES. [2020-10-16 03:30:17,470 INFO L80 FinitePrefix]: Finished finitePrefix Result has 559002 conditions, 232542 events. 162949/232542 cut-off events. For 113893/116505 co-relation queries the response was YES. Maximal size of possible extension queue 13406. Compared 2082894 event pairs, 85444 based on Foata normal form. 223/196977 useless extension candidates. Maximal degree in co-relation 558944. Up to 109987 conditions per place. [2020-10-16 03:30:18,735 INFO L132 encePairwiseOnDemand]: 159/168 looper letters, 112 selfloop transitions, 31 changer transitions 0/165 dead transitions. [2020-10-16 03:30:18,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 165 transitions, 872 flow [2020-10-16 03:30:18,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:30:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:30:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 661 transitions. [2020-10-16 03:30:18,738 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6557539682539683 [2020-10-16 03:30:18,739 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 661 transitions. [2020-10-16 03:30:18,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 661 transitions. [2020-10-16 03:30:18,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:30:18,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 661 transitions. [2020-10-16 03:30:18,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:30:18,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:30:18,742 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:30:18,742 INFO L185 Difference]: Start difference. First operand has 69 places, 74 transitions, 278 flow. Second operand 6 states and 661 transitions. [2020-10-16 03:30:18,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 165 transitions, 872 flow [2020-10-16 03:30:21,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 165 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 03:30:21,704 INFO L241 Difference]: Finished difference. Result has 76 places, 94 transitions, 490 flow [2020-10-16 03:30:21,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=490, PETRI_PLACES=76, PETRI_TRANSITIONS=94} [2020-10-16 03:30:21,705 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 15 predicate places. [2020-10-16 03:30:21,705 INFO L481 AbstractCegarLoop]: Abstraction has has 76 places, 94 transitions, 490 flow [2020-10-16 03:30:21,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 03:30:21,705 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:30:21,705 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:30:21,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 03:30:21,705 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]=== [2020-10-16 03:30:21,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:30:21,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1831762553, now seen corresponding path program 1 times [2020-10-16 03:30:21,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:30:21,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226474363] [2020-10-16 03:30:21,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:30:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:30:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-16 03:30:21,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226474363] [2020-10-16 03:30:21,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:30:21,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:30:21,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585257348] [2020-10-16 03:30:21,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 03:30:21,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:30:21,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 03:30:21,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 03:30:21,807 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 168 [2020-10-16 03:30:21,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 94 transitions, 490 flow. Second operand 5 states. [2020-10-16 03:30:21,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:30:21,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 168 [2020-10-16 03:30:21,809 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:32:03,178 INFO L129 PetriNetUnfolder]: 280691/409817 cut-off events. [2020-10-16 03:32:03,178 INFO L130 PetriNetUnfolder]: For 320703/326676 co-relation queries the response was YES. [2020-10-16 03:32:05,163 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1071515 conditions, 409817 events. 280691/409817 cut-off events. For 320703/326676 co-relation queries the response was YES. Maximal size of possible extension queue 24367. Compared 4057412 event pairs, 128638 based on Foata normal form. 230/358853 useless extension candidates. Maximal degree in co-relation 1071486. Up to 193609 conditions per place. [2020-10-16 03:32:07,333 INFO L132 encePairwiseOnDemand]: 159/168 looper letters, 132 selfloop transitions, 47 changer transitions 0/202 dead transitions. [2020-10-16 03:32:07,333 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 202 transitions, 1371 flow [2020-10-16 03:32:07,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:32:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:32:07,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 661 transitions. [2020-10-16 03:32:07,336 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6557539682539683 [2020-10-16 03:32:07,336 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 661 transitions. [2020-10-16 03:32:07,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 661 transitions. [2020-10-16 03:32:07,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:32:07,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 661 transitions. [2020-10-16 03:32:07,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:32:07,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:32:07,341 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:32:07,341 INFO L185 Difference]: Start difference. First operand has 76 places, 94 transitions, 490 flow. Second operand 6 states and 661 transitions. [2020-10-16 03:32:07,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 202 transitions, 1371 flow [2020-10-16 03:32:16,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 202 transitions, 1371 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 03:32:16,012 INFO L241 Difference]: Finished difference. Result has 83 places, 123 transitions, 868 flow [2020-10-16 03:32:16,013 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=868, PETRI_PLACES=83, PETRI_TRANSITIONS=123} [2020-10-16 03:32:16,013 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 22 predicate places. [2020-10-16 03:32:16,013 INFO L481 AbstractCegarLoop]: Abstraction has has 83 places, 123 transitions, 868 flow [2020-10-16 03:32:16,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 03:32:16,013 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:32:16,014 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:32:16,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 03:32:16,014 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:32:16,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:32:16,014 INFO L82 PathProgramCache]: Analyzing trace with hash 364275715, now seen corresponding path program 1 times [2020-10-16 03:32:16,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:32:16,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581747253] [2020-10-16 03:32:16,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:32:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:32:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:32:16,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581747253] [2020-10-16 03:32:16,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:32:16,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:32:16,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499299657] [2020-10-16 03:32:16,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:32:16,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:32:16,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:32:16,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:32:16,044 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 168 [2020-10-16 03:32:16,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 123 transitions, 868 flow. Second operand 3 states. [2020-10-16 03:32:16,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:32:16,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 168 [2020-10-16 03:32:16,045 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:32:16,529 INFO L129 PetriNetUnfolder]: 1206/5195 cut-off events. [2020-10-16 03:32:16,529 INFO L130 PetriNetUnfolder]: For 4574/4577 co-relation queries the response was YES. [2020-10-16 03:32:16,552 INFO L80 FinitePrefix]: Finished finitePrefix Result has 12326 conditions, 5195 events. 1206/5195 cut-off events. For 4574/4577 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 62272 event pairs, 861 based on Foata normal form. 674/5302 useless extension candidates. Maximal degree in co-relation 12293. Up to 1139 conditions per place. [2020-10-16 03:32:16,568 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 1 selfloop transitions, 18 changer transitions 0/87 dead transitions. [2020-10-16 03:32:16,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 87 transitions, 514 flow [2020-10-16 03:32:16,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:32:16,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:32:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2020-10-16 03:32:16,569 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6904761904761905 [2020-10-16 03:32:16,569 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 348 transitions. [2020-10-16 03:32:16,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 348 transitions. [2020-10-16 03:32:16,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:32:16,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 348 transitions. [2020-10-16 03:32:16,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:32:16,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:32:16,571 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:32:16,571 INFO L185 Difference]: Start difference. First operand has 83 places, 123 transitions, 868 flow. Second operand 3 states and 348 transitions. [2020-10-16 03:32:16,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 87 transitions, 514 flow [2020-10-16 03:32:16,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 87 transitions, 476 flow, removed 19 selfloop flow, removed 0 redundant places. [2020-10-16 03:32:16,584 INFO L241 Difference]: Finished difference. Result has 85 places, 87 transitions, 474 flow [2020-10-16 03:32:16,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=85, PETRI_TRANSITIONS=87} [2020-10-16 03:32:16,585 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 24 predicate places. [2020-10-16 03:32:16,585 INFO L481 AbstractCegarLoop]: Abstraction has has 85 places, 87 transitions, 474 flow [2020-10-16 03:32:16,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:32:16,585 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:32:16,585 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:32:16,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 03:32:16,585 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:32:16,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:32:16,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1232154183, now seen corresponding path program 2 times [2020-10-16 03:32:16,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:32:16,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444511932] [2020-10-16 03:32:16,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:32:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:32:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:32:16,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444511932] [2020-10-16 03:32:16,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691064320] [2020-10-16 03:32:16,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:32:16,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-16 03:32:16,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:32:16,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-16 03:32:16,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:32:16,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:32:16,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:32:16,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-16 03:32:16,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599050588] [2020-10-16 03:32:16,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 03:32:16,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:32:16,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 03:32:16,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 03:32:16,821 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 168 [2020-10-16 03:32:16,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 87 transitions, 474 flow. Second operand 8 states. [2020-10-16 03:32:16,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:32:16,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 168 [2020-10-16 03:32:16,822 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:32:25,910 INFO L129 PetriNetUnfolder]: 51995/78396 cut-off events. [2020-10-16 03:32:25,910 INFO L130 PetriNetUnfolder]: For 41638/41638 co-relation queries the response was YES. [2020-10-16 03:32:26,358 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197478 conditions, 78396 events. 51995/78396 cut-off events. For 41638/41638 co-relation queries the response was YES. Maximal size of possible extension queue 2775. Compared 616694 event pairs, 30852 based on Foata normal form. 39/66488 useless extension candidates. Maximal degree in co-relation 197397. Up to 38051 conditions per place. [2020-10-16 03:32:26,712 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 126 selfloop transitions, 17 changer transitions 0/163 dead transitions. [2020-10-16 03:32:26,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 163 transitions, 1008 flow [2020-10-16 03:32:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 03:32:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 03:32:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 921 transitions. [2020-10-16 03:32:26,716 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6091269841269841 [2020-10-16 03:32:26,716 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 921 transitions. [2020-10-16 03:32:26,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 921 transitions. [2020-10-16 03:32:26,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:32:26,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 921 transitions. [2020-10-16 03:32:26,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 03:32:26,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 03:32:26,721 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 03:32:26,721 INFO L185 Difference]: Start difference. First operand has 85 places, 87 transitions, 474 flow. Second operand 9 states and 921 transitions. [2020-10-16 03:32:26,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 163 transitions, 1008 flow [2020-10-16 03:32:26,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 163 transitions, 988 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 03:32:26,976 INFO L241 Difference]: Finished difference. Result has 94 places, 91 transitions, 552 flow [2020-10-16 03:32:26,976 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=552, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2020-10-16 03:32:26,976 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 33 predicate places. [2020-10-16 03:32:26,977 INFO L481 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 552 flow [2020-10-16 03:32:26,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 03:32:26,977 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:32:26,977 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:32:27,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-16 03:32:27,192 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:32:27,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:32:27,192 INFO L82 PathProgramCache]: Analyzing trace with hash 806252617, now seen corresponding path program 1 times [2020-10-16 03:32:27,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:32:27,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264495530] [2020-10-16 03:32:27,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:32:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:32:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 03:32:27,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264495530] [2020-10-16 03:32:27,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:32:27,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 03:32:27,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456874175] [2020-10-16 03:32:27,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 03:32:27,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:32:27,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 03:32:27,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 03:32:27,284 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 168 [2020-10-16 03:32:27,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 552 flow. Second operand 7 states. [2020-10-16 03:32:27,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:32:27,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 168 [2020-10-16 03:32:27,285 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:32:35,575 INFO L129 PetriNetUnfolder]: 57238/86023 cut-off events. [2020-10-16 03:32:35,575 INFO L130 PetriNetUnfolder]: For 90437/93146 co-relation queries the response was YES. [2020-10-16 03:32:36,163 INFO L80 FinitePrefix]: Finished finitePrefix Result has 236943 conditions, 86023 events. 57238/86023 cut-off events. For 90437/93146 co-relation queries the response was YES. Maximal size of possible extension queue 3175. Compared 683283 event pairs, 34956 based on Foata normal form. 153/72821 useless extension candidates. Maximal degree in co-relation 236857. Up to 44778 conditions per place. [2020-10-16 03:32:36,599 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 140 selfloop transitions, 18 changer transitions 0/178 dead transitions. [2020-10-16 03:32:36,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 178 transitions, 1245 flow [2020-10-16 03:32:36,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 03:32:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 03:32:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 920 transitions. [2020-10-16 03:32:36,602 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6084656084656085 [2020-10-16 03:32:36,602 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 920 transitions. [2020-10-16 03:32:36,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 920 transitions. [2020-10-16 03:32:36,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:32:36,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 920 transitions. [2020-10-16 03:32:36,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 03:32:36,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 03:32:36,606 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 03:32:36,606 INFO L185 Difference]: Start difference. First operand has 94 places, 91 transitions, 552 flow. Second operand 9 states and 920 transitions. [2020-10-16 03:32:36,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 178 transitions, 1245 flow [2020-10-16 03:32:37,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 178 transitions, 1205 flow, removed 8 selfloop flow, removed 4 redundant places. [2020-10-16 03:32:37,490 INFO L241 Difference]: Finished difference. Result has 100 places, 92 transitions, 585 flow [2020-10-16 03:32:37,490 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=585, PETRI_PLACES=100, PETRI_TRANSITIONS=92} [2020-10-16 03:32:37,490 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 39 predicate places. [2020-10-16 03:32:37,490 INFO L481 AbstractCegarLoop]: Abstraction has has 100 places, 92 transitions, 585 flow [2020-10-16 03:32:37,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 03:32:37,491 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:32:37,491 INFO L255 CegarLoopForPetriNet]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:32:37,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 03:32:37,491 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:32:37,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:32:37,491 INFO L82 PathProgramCache]: Analyzing trace with hash -917098734, now seen corresponding path program 1 times [2020-10-16 03:32:37,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:32:37,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189494221] [2020-10-16 03:32:37,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:32:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:32:37,500 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:32:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:32:37,507 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:32:37,511 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 03:32:37,512 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 03:32:37,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 03:32:37,512 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 03:32:37,513 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-16 03:32:37,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,535 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,535 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,535 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,536 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,536 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,536 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,537 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,537 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,537 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,537 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,537 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,537 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,537 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,538 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,538 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,538 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,538 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,538 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,539 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,539 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,548 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,548 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,549 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,549 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,550 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,550 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,550 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,551 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:32:37,563 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 03:32:37,563 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 03:32:37,563 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 03:32:37,563 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 03:32:37,563 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 03:32:37,563 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 03:32:37,563 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 03:32:37,563 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 03:32:37,564 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 03:32:37,565 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 120 transitions, 300 flow [2020-10-16 03:32:37,578 INFO L129 PetriNetUnfolder]: 19/173 cut-off events. [2020-10-16 03:32:37,578 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 03:32:37,580 INFO L80 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 173 events. 19/173 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 551 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 171. Up to 14 conditions per place. [2020-10-16 03:32:37,580 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 120 transitions, 300 flow [2020-10-16 03:32:37,581 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 120 transitions, 300 flow [2020-10-16 03:32:37,581 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 03:32:37,581 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 120 transitions, 300 flow [2020-10-16 03:32:37,581 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 120 transitions, 300 flow [2020-10-16 03:32:37,581 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 120 transitions, 300 flow [2020-10-16 03:32:37,592 INFO L129 PetriNetUnfolder]: 19/173 cut-off events. [2020-10-16 03:32:37,592 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 03:32:37,594 INFO L80 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 173 events. 19/173 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 561 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 171. Up to 14 conditions per place. [2020-10-16 03:32:37,601 INFO L117 LiptonReduction]: Number of co-enabled transitions 10080 [2020-10-16 03:32:40,089 INFO L132 LiptonReduction]: Checked pairs total: 55437 [2020-10-16 03:32:40,090 INFO L134 LiptonReduction]: Total number of compositions: 74 [2020-10-16 03:32:40,090 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2509 [2020-10-16 03:32:40,092 INFO L129 PetriNetUnfolder]: 2/23 cut-off events. [2020-10-16 03:32:40,092 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 03:32:40,093 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:32:40,093 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:32:40,093 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:32:40,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:32:40,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1333572763, now seen corresponding path program 1 times [2020-10-16 03:32:40,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:32:40,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668893411] [2020-10-16 03:32:40,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:32:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:32:40,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:32:40,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668893411] [2020-10-16 03:32:40,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:32:40,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:32:40,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983459925] [2020-10-16 03:32:40,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 03:32:40,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:32:40,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 03:32:40,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 03:32:40,180 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 194 [2020-10-16 03:32:40,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 66 transitions, 192 flow. Second operand 5 states. [2020-10-16 03:32:40,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:32:40,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 194 [2020-10-16 03:32:40,181 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown