/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-507b705 [2020-09-11 20:35:06,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-11 20:35:06,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-11 20:35:06,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-11 20:35:06,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-11 20:35:06,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-11 20:35:06,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-11 20:35:06,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-11 20:35:06,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-11 20:35:06,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-11 20:35:06,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-11 20:35:06,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-11 20:35:06,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-11 20:35:06,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-11 20:35:06,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-11 20:35:06,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-11 20:35:06,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-11 20:35:06,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-11 20:35:06,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-11 20:35:06,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-11 20:35:06,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-11 20:35:06,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-11 20:35:06,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-11 20:35:06,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-11 20:35:06,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-11 20:35:06,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-11 20:35:06,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-11 20:35:06,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-11 20:35:06,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-11 20:35:06,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-11 20:35:06,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-11 20:35:06,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-11 20:35:06,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-11 20:35:06,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-11 20:35:06,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-11 20:35:06,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-11 20:35:06,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-11 20:35:06,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-11 20:35:06,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-11 20:35:06,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-11 20:35:06,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-11 20:35:06,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-09-11 20:35:06,808 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-11 20:35:06,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-11 20:35:06,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-11 20:35:06,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-11 20:35:06,813 INFO L138 SettingsManager]: * Use SBE=true [2020-09-11 20:35:06,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-11 20:35:06,814 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-11 20:35:06,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-11 20:35:06,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-11 20:35:06,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-11 20:35:06,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-11 20:35:06,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-11 20:35:06,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-11 20:35:06,816 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-11 20:35:06,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-11 20:35:06,816 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-11 20:35:06,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-11 20:35:06,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-11 20:35:06,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-11 20:35:06,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-11 20:35:06,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-11 20:35:06,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 20:35:06,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-11 20:35:06,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-11 20:35:06,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-11 20:35:06,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-11 20:35:06,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-11 20:35:06,819 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-09-11 20:35:06,820 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-11 20:35:06,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-11 20:35:06,820 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-09-11 20:35:07,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-11 20:35:07,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-11 20:35:07,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-11 20:35:07,306 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-11 20:35:07,307 INFO L275 PluginConnector]: CDTParser initialized [2020-09-11 20:35:07,308 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2020-09-11 20:35:07,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16550cc73/439b2f62e1d74d929d771522f0aa0e5a/FLAGa8b5c48a2 [2020-09-11 20:35:08,018 INFO L306 CDTParser]: Found 1 translation units. [2020-09-11 20:35:08,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2020-09-11 20:35:08,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16550cc73/439b2f62e1d74d929d771522f0aa0e5a/FLAGa8b5c48a2 [2020-09-11 20:35:08,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16550cc73/439b2f62e1d74d929d771522f0aa0e5a [2020-09-11 20:35:08,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-11 20:35:08,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-11 20:35:08,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-11 20:35:08,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-11 20:35:08,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-11 20:35:08,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:35:08" (1/1) ... [2020-09-11 20:35:08,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a92cdfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:08, skipping insertion in model container [2020-09-11 20:35:08,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:35:08" (1/1) ... [2020-09-11 20:35:08,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-11 20:35:08,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-11 20:35:08,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 20:35:09,015 INFO L203 MainTranslator]: Completed pre-run [2020-09-11 20:35:09,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 20:35:09,200 INFO L208 MainTranslator]: Completed translation [2020-09-11 20:35:09,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09 WrapperNode [2020-09-11 20:35:09,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-11 20:35:09,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-11 20:35:09,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-11 20:35:09,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-11 20:35:09,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (1/1) ... [2020-09-11 20:35:09,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (1/1) ... [2020-09-11 20:35:09,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-11 20:35:09,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-11 20:35:09,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-11 20:35:09,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-11 20:35:09,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (1/1) ... [2020-09-11 20:35:09,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (1/1) ... [2020-09-11 20:35:09,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (1/1) ... [2020-09-11 20:35:09,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (1/1) ... [2020-09-11 20:35:09,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (1/1) ... [2020-09-11 20:35:09,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (1/1) ... [2020-09-11 20:35:09,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (1/1) ... [2020-09-11 20:35:09,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-11 20:35:09,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-11 20:35:09,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-11 20:35:09,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-11 20:35:09,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-11 20:35:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-09-11 20:35:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-09-11 20:35:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2020-09-11 20:35:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2020-09-11 20:35:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-09-11 20:35:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-09-11 20:35:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-11 20:35:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-11 20:35:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-11 20:35:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-11 20:35:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-11 20:35:09,451 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-11 20:35:10,258 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-11 20:35:10,258 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-11 20:35:10,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:35:10 BoogieIcfgContainer [2020-09-11 20:35:10,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-11 20:35:10,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-11 20:35:10,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-11 20:35:10,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-11 20:35:10,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 08:35:08" (1/3) ... [2020-09-11 20:35:10,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258ba625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 08:35:10, skipping insertion in model container [2020-09-11 20:35:10,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:35:09" (2/3) ... [2020-09-11 20:35:10,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258ba625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 08:35:10, skipping insertion in model container [2020-09-11 20:35:10,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:35:10" (3/3) ... [2020-09-11 20:35:10,272 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2020-09-11 20:35:10,284 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-11 20:35:10,284 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-11 20:35:10,294 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-11 20:35:10,296 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-11 20:35:10,324 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,328 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,328 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,328 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,329 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,329 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,329 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,329 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,330 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,330 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,330 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,330 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,331 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,331 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,331 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,331 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,332 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,332 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,333 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,333 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,353 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,353 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,354 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,354 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,354 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,354 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,354 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,360 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,360 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,361 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,361 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,361 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,361 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:10,383 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-11 20:35:10,410 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 20:35:10,410 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 20:35:10,410 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-11 20:35:10,410 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-09-11 20:35:10,411 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 20:35:10,411 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 20:35:10,411 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 20:35:10,411 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 20:35:10,429 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 72 transitions, 159 flow [2020-09-11 20:35:10,431 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 159 flow [2020-09-11 20:35:10,474 INFO L129 PetriNetUnfolder]: 8/78 cut-off events. [2020-09-11 20:35:10,474 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-11 20:35:10,481 INFO L80 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 78 events. 8/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 155 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 70. Up to 4 conditions per place. [2020-09-11 20:35:10,485 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 159 flow [2020-09-11 20:35:10,503 INFO L129 PetriNetUnfolder]: 8/78 cut-off events. [2020-09-11 20:35:10,503 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-11 20:35:10,505 INFO L80 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 78 events. 8/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 155 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 70. Up to 4 conditions per place. [2020-09-11 20:35:10,508 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2040 [2020-09-11 20:35:10,509 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-11 20:35:11,382 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6062 [2020-09-11 20:35:11,382 INFO L214 etLargeBlockEncoding]: Total number of compositions: 40 [2020-09-11 20:35:11,387 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 38 transitions, 91 flow [2020-09-11 20:35:11,539 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2498 states. [2020-09-11 20:35:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states. [2020-09-11 20:35:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-11 20:35:11,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:35:11,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:35:11,551 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:35:11,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:35:11,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1876597355, now seen corresponding path program 1 times [2020-09-11 20:35:11,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:35:11,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569504631] [2020-09-11 20:35:11,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:35:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:35:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:35:11,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569504631] [2020-09-11 20:35:11,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:35:11,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 20:35:11,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1705358677] [2020-09-11 20:35:11,842 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-11 20:35:11,845 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-11 20:35:11,862 INFO L274 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-09-11 20:35:11,862 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-11 20:35:11,864 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-11 20:35:11,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:35:11,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:35:11,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:35:11,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:35:11,887 INFO L87 Difference]: Start difference. First operand 2498 states. Second operand 3 states. [2020-09-11 20:35:11,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:35:11,968 INFO L93 Difference]: Finished difference Result 1554 states and 5541 transitions. [2020-09-11 20:35:11,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:35:11,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-09-11 20:35:11,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:35:12,021 INFO L225 Difference]: With dead ends: 1554 [2020-09-11 20:35:12,022 INFO L226 Difference]: Without dead ends: 1554 [2020-09-11 20:35:12,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:35:12,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2020-09-11 20:35:12,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1554. [2020-09-11 20:35:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1554 states. [2020-09-11 20:35:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 5541 transitions. [2020-09-11 20:35:12,178 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 5541 transitions. Word has length 7 [2020-09-11 20:35:12,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:35:12,179 INFO L479 AbstractCegarLoop]: Abstraction has 1554 states and 5541 transitions. [2020-09-11 20:35:12,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:35:12,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 5541 transitions. [2020-09-11 20:35:12,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-11 20:35:12,180 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:35:12,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:35:12,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-11 20:35:12,181 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:35:12,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:35:12,182 INFO L82 PathProgramCache]: Analyzing trace with hash -476193858, now seen corresponding path program 1 times [2020-09-11 20:35:12,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:35:12,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543897496] [2020-09-11 20:35:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:35:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:35:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:35:12,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543897496] [2020-09-11 20:35:12,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:35:12,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:35:12,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [886746290] [2020-09-11 20:35:12,279 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-11 20:35:12,279 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-11 20:35:12,281 INFO L274 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-09-11 20:35:12,281 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-11 20:35:12,282 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-11 20:35:12,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:35:12,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:35:12,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:35:12,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:35:12,285 INFO L87 Difference]: Start difference. First operand 1554 states and 5541 transitions. Second operand 3 states. [2020-09-11 20:35:12,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:35:12,329 INFO L93 Difference]: Finished difference Result 554 states and 1422 transitions. [2020-09-11 20:35:12,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:35:12,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-09-11 20:35:12,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:35:12,334 INFO L225 Difference]: With dead ends: 554 [2020-09-11 20:35:12,334 INFO L226 Difference]: Without dead ends: 554 [2020-09-11 20:35:12,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:35:12,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2020-09-11 20:35:12,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2020-09-11 20:35:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-09-11 20:35:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 1422 transitions. [2020-09-11 20:35:12,358 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 1422 transitions. Word has length 9 [2020-09-11 20:35:12,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:35:12,359 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 1422 transitions. [2020-09-11 20:35:12,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:35:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1422 transitions. [2020-09-11 20:35:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 20:35:12,362 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:35:12,362 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:35:12,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-11 20:35:12,364 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:35:12,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:35:12,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1694322392, now seen corresponding path program 1 times [2020-09-11 20:35:12,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:35:12,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808649312] [2020-09-11 20:35:12,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:35:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:35:12,417 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:35:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:35:12,446 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:35:12,475 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 20:35:12,476 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 20:35:12,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-11 20:35:12,477 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 20:35:12,477 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-09-11 20:35:12,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,491 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,491 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,491 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,491 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,492 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,492 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,493 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,493 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,494 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,494 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,494 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,494 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,494 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,495 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,495 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,495 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,495 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,495 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,496 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,496 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,496 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,496 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,496 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,497 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,497 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,497 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,497 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,498 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,498 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,498 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,498 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,498 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,499 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,499 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,499 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,499 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,500 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,500 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,500 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,500 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,500 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,501 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,501 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,501 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,501 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,502 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,506 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,506 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,507 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,507 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,507 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,507 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,507 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,509 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,509 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,509 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,510 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,510 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,510 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,510 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,511 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,516 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,516 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,517 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,518 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,518 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,519 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,519 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,519 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,519 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:12,520 INFO L251 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-09-11 20:35:12,521 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 20:35:12,521 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 20:35:12,521 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-11 20:35:12,521 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-09-11 20:35:12,521 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 20:35:12,522 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 20:35:12,522 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 20:35:12,522 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 20:35:12,524 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 117 transitions, 270 flow [2020-09-11 20:35:12,524 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 117 transitions, 270 flow [2020-09-11 20:35:12,567 INFO L129 PetriNetUnfolder]: 12/110 cut-off events. [2020-09-11 20:35:12,568 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-11 20:35:12,570 INFO L80 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 110 events. 12/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 278 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 121. Up to 6 conditions per place. [2020-09-11 20:35:12,576 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 117 transitions, 270 flow [2020-09-11 20:35:12,594 INFO L129 PetriNetUnfolder]: 12/110 cut-off events. [2020-09-11 20:35:12,594 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-11 20:35:12,596 INFO L80 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 110 events. 12/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 278 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 121. Up to 6 conditions per place. [2020-09-11 20:35:12,601 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4412 [2020-09-11 20:35:12,601 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-11 20:35:13,935 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13494 [2020-09-11 20:35:13,935 INFO L214 etLargeBlockEncoding]: Total number of compositions: 65 [2020-09-11 20:35:13,936 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 61 transitions, 158 flow [2020-09-11 20:35:17,501 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 32456 states. [2020-09-11 20:35:17,501 INFO L276 IsEmpty]: Start isEmpty. Operand 32456 states. [2020-09-11 20:35:17,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-11 20:35:17,502 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:35:17,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:35:17,503 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:35:17,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:35:17,503 INFO L82 PathProgramCache]: Analyzing trace with hash -128904178, now seen corresponding path program 1 times [2020-09-11 20:35:17,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:35:17,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905491218] [2020-09-11 20:35:17,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:35:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:35:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:35:17,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905491218] [2020-09-11 20:35:17,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:35:17,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 20:35:17,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2016732786] [2020-09-11 20:35:17,545 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-11 20:35:17,547 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-11 20:35:17,547 INFO L274 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-09-11 20:35:17,548 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-11 20:35:17,548 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-11 20:35:17,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:35:17,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:35:17,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:35:17,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:35:17,549 INFO L87 Difference]: Start difference. First operand 32456 states. Second operand 3 states. [2020-09-11 20:35:18,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:35:18,080 INFO L93 Difference]: Finished difference Result 37670 states and 173881 transitions. [2020-09-11 20:35:18,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:35:18,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-09-11 20:35:18,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:35:19,707 INFO L225 Difference]: With dead ends: 37670 [2020-09-11 20:35:19,707 INFO L226 Difference]: Without dead ends: 37670 [2020-09-11 20:35:19,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:35:20,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37670 states. [2020-09-11 20:35:21,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37670 to 36200. [2020-09-11 20:35:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36200 states. [2020-09-11 20:35:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36200 states to 36200 states and 169056 transitions. [2020-09-11 20:35:21,425 INFO L78 Accepts]: Start accepts. Automaton has 36200 states and 169056 transitions. Word has length 8 [2020-09-11 20:35:21,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:35:21,425 INFO L479 AbstractCegarLoop]: Abstraction has 36200 states and 169056 transitions. [2020-09-11 20:35:21,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:35:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 36200 states and 169056 transitions. [2020-09-11 20:35:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 20:35:21,427 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:35:21,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:35:21,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-11 20:35:21,427 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:35:21,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:35:21,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1130299371, now seen corresponding path program 1 times [2020-09-11 20:35:21,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:35:21,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25812203] [2020-09-11 20:35:21,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:35:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:35:21,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:35:21,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25812203] [2020-09-11 20:35:21,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:35:21,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:35:21,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1028176627] [2020-09-11 20:35:21,470 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-11 20:35:21,470 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-11 20:35:21,473 INFO L274 McrAutomatonBuilder]: Finished intersection with 20 states and 28 transitions. [2020-09-11 20:35:21,473 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-11 20:35:22,765 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [175110#(not (= 0 ~mutex~0))] [2020-09-11 20:35:22,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 20:35:22,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:35:22,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 20:35:22,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-11 20:35:22,767 INFO L87 Difference]: Start difference. First operand 36200 states and 169056 transitions. Second operand 4 states. [2020-09-11 20:35:22,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:35:22,865 INFO L93 Difference]: Finished difference Result 4680 states and 13653 transitions. [2020-09-11 20:35:22,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:35:22,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-09-11 20:35:22,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:35:22,883 INFO L225 Difference]: With dead ends: 4680 [2020-09-11 20:35:22,883 INFO L226 Difference]: Without dead ends: 4680 [2020-09-11 20:35:22,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-11 20:35:22,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4680 states. [2020-09-11 20:35:22,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4680 to 4050. [2020-09-11 20:35:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4050 states. [2020-09-11 20:35:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4050 states to 4050 states and 12008 transitions. [2020-09-11 20:35:22,977 INFO L78 Accepts]: Start accepts. Automaton has 4050 states and 12008 transitions. Word has length 10 [2020-09-11 20:35:22,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:35:22,978 INFO L479 AbstractCegarLoop]: Abstraction has 4050 states and 12008 transitions. [2020-09-11 20:35:22,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 20:35:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 4050 states and 12008 transitions. [2020-09-11 20:35:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-11 20:35:22,982 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:35:22,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:35:22,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-11 20:35:22,982 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:35:22,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:35:22,983 INFO L82 PathProgramCache]: Analyzing trace with hash -464420268, now seen corresponding path program 1 times [2020-09-11 20:35:22,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:35:22,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838133698] [2020-09-11 20:35:22,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:35:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:35:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:35:23,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838133698] [2020-09-11 20:35:23,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:35:23,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:35:23,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1649307382] [2020-09-11 20:35:23,034 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-11 20:35:23,035 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-11 20:35:23,037 INFO L274 McrAutomatonBuilder]: Finished intersection with 29 states and 44 transitions. [2020-09-11 20:35:23,037 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-11 20:35:23,077 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-11 20:35:23,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 20:35:23,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:35:23,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 20:35:23,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-11 20:35:23,078 INFO L87 Difference]: Start difference. First operand 4050 states and 12008 transitions. Second operand 4 states. [2020-09-11 20:35:23,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:35:23,154 INFO L93 Difference]: Finished difference Result 6410 states and 18918 transitions. [2020-09-11 20:35:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-11 20:35:23,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-09-11 20:35:23,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:35:23,176 INFO L225 Difference]: With dead ends: 6410 [2020-09-11 20:35:23,176 INFO L226 Difference]: Without dead ends: 6410 [2020-09-11 20:35:23,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:35:23,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6410 states. [2020-09-11 20:35:23,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6410 to 4964. [2020-09-11 20:35:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4964 states. [2020-09-11 20:35:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4964 states to 4964 states and 14819 transitions. [2020-09-11 20:35:23,315 INFO L78 Accepts]: Start accepts. Automaton has 4964 states and 14819 transitions. Word has length 12 [2020-09-11 20:35:23,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:35:23,316 INFO L479 AbstractCegarLoop]: Abstraction has 4964 states and 14819 transitions. [2020-09-11 20:35:23,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 20:35:23,316 INFO L276 IsEmpty]: Start isEmpty. Operand 4964 states and 14819 transitions. [2020-09-11 20:35:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 20:35:23,318 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:35:23,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:35:23,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-11 20:35:23,319 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:35:23,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:35:23,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1797936597, now seen corresponding path program 1 times [2020-09-11 20:35:23,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:35:23,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874656575] [2020-09-11 20:35:23,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:35:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:35:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:35:23,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874656575] [2020-09-11 20:35:23,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:35:23,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 20:35:23,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1329094028] [2020-09-11 20:35:23,373 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-11 20:35:23,374 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-11 20:35:23,375 INFO L274 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-09-11 20:35:23,375 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-11 20:35:23,376 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-11 20:35:23,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:35:23,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:35:23,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:35:23,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:35:23,377 INFO L87 Difference]: Start difference. First operand 4964 states and 14819 transitions. Second operand 3 states. [2020-09-11 20:35:23,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:35:23,415 INFO L93 Difference]: Finished difference Result 4909 states and 13976 transitions. [2020-09-11 20:35:23,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:35:23,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-09-11 20:35:23,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:35:23,430 INFO L225 Difference]: With dead ends: 4909 [2020-09-11 20:35:23,430 INFO L226 Difference]: Without dead ends: 4909 [2020-09-11 20:35:23,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:35:23,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4909 states. [2020-09-11 20:35:23,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4909 to 4692. [2020-09-11 20:35:23,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4692 states. [2020-09-11 20:35:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 13520 transitions. [2020-09-11 20:35:23,537 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 13520 transitions. Word has length 14 [2020-09-11 20:35:23,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:35:23,538 INFO L479 AbstractCegarLoop]: Abstraction has 4692 states and 13520 transitions. [2020-09-11 20:35:23,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:35:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 13520 transitions. [2020-09-11 20:35:23,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 20:35:23,539 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:35:23,540 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:35:23,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-11 20:35:23,540 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:35:23,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:35:23,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1667956307, now seen corresponding path program 1 times [2020-09-11 20:35:23,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:35:23,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429124620] [2020-09-11 20:35:23,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:35:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:35:23,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:35:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:35:23,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:35:23,570 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 20:35:23,570 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 20:35:23,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-11 20:35:23,571 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 20:35:23,573 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-09-11 20:35:23,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,587 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,587 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,587 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,591 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,591 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,591 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,591 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,591 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,591 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,592 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,592 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,592 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,592 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,592 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,592 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,593 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,593 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,593 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,593 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,593 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,593 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,593 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,594 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,594 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,594 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,594 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,594 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,595 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,595 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,595 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,595 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,595 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,595 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,596 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,596 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,596 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,596 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,596 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,596 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,597 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,597 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,597 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,597 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,597 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,597 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,598 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,598 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,598 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,598 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,598 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,598 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,599 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,599 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,599 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,599 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,599 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,599 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,600 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,600 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,600 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,600 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,600 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,600 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,601 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,606 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,606 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,606 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,606 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,606 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,607 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,607 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,610 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,610 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,610 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,610 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,610 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,611 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,611 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,612 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,612 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,612 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,613 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,613 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,613 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,613 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,620 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,620 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,620 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,620 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,621 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,621 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,624 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,624 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,624 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:35:23,626 INFO L251 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-09-11 20:35:23,626 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 20:35:23,626 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 20:35:23,626 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-11 20:35:23,626 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-09-11 20:35:23,627 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 20:35:23,627 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 20:35:23,627 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 20:35:23,627 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 20:35:23,629 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 162 transitions, 387 flow [2020-09-11 20:35:23,629 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 164 places, 162 transitions, 387 flow [2020-09-11 20:35:23,653 INFO L129 PetriNetUnfolder]: 16/142 cut-off events. [2020-09-11 20:35:23,653 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-11 20:35:23,655 INFO L80 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 142 events. 16/142 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 404 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 158. Up to 8 conditions per place. [2020-09-11 20:35:23,663 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 164 places, 162 transitions, 387 flow [2020-09-11 20:35:23,682 INFO L129 PetriNetUnfolder]: 16/142 cut-off events. [2020-09-11 20:35:23,682 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-11 20:35:23,684 INFO L80 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 142 events. 16/142 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 404 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 158. Up to 8 conditions per place. [2020-09-11 20:35:23,691 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 7796 [2020-09-11 20:35:23,691 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-11 20:35:25,863 INFO L206 etLargeBlockEncoding]: Checked pairs total: 28812 [2020-09-11 20:35:25,863 INFO L214 etLargeBlockEncoding]: Total number of compositions: 95 [2020-09-11 20:35:25,864 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 98 places, 88 transitions, 239 flow Received shutdown request... [2020-09-11 20:39:28,578 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-11 20:39:28,591 WARN L228 ceAbstractionStarter]: Timeout [2020-09-11 20:39:28,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 08:39:28 BasicIcfg [2020-09-11 20:39:28,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-11 20:39:28,597 INFO L168 Benchmark]: Toolchain (without parser) took 260300.14 ms. Allocated memory was 140.5 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 102.3 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-09-11 20:39:28,599 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-11 20:39:28,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.79 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.6 MB in the beginning and 162.7 MB in the end (delta: -61.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-09-11 20:39:28,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.55 ms. Allocated memory is still 203.4 MB. Free memory was 162.7 MB in the beginning and 160.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-11 20:39:28,608 INFO L168 Benchmark]: Boogie Preprocessor took 66.63 ms. Allocated memory is still 203.4 MB. Free memory was 160.0 MB in the beginning and 158.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-11 20:39:28,609 INFO L168 Benchmark]: RCFGBuilder took 896.78 ms. Allocated memory is still 203.4 MB. Free memory was 158.0 MB in the beginning and 100.0 MB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. [2020-09-11 20:39:28,610 INFO L168 Benchmark]: TraceAbstraction took 258327.59 ms. Allocated memory was 203.4 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 99.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-09-11 20:39:28,620 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 901.79 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.6 MB in the beginning and 162.7 MB in the end (delta: -61.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 95.55 ms. Allocated memory is still 203.4 MB. Free memory was 162.7 MB in the beginning and 160.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.63 ms. Allocated memory is still 203.4 MB. Free memory was 160.0 MB in the beginning and 158.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 896.78 ms. Allocated memory is still 203.4 MB. Free memory was 158.0 MB in the beginning and 100.0 MB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258327.59 ms. Allocated memory was 203.4 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 99.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 74 ProgramPointsBefore, 43 ProgramPointsAfterwards, 72 TransitionsBefore, 38 TransitionsAfterwards, 2040 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 3 ChoiceCompositions, 970 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6062 CheckedPairsTotal, 40 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 119 ProgramPointsBefore, 69 ProgramPointsAfterwards, 117 TransitionsBefore, 61 TransitionsAfterwards, 4412 CoEnabledTransitionPairs, 5 FixpointIterations, 26 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 9 ConcurrentYvCompositions, 6 ChoiceCompositions, 2045 VarBasedMoverChecksPositive, 71 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 13494 CheckedPairsTotal, 65 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.2s, 164 ProgramPointsBefore, 98 ProgramPointsAfterwards, 162 TransitionsBefore, 88 TransitionsAfterwards, 7796 CoEnabledTransitionPairs, 5 FixpointIterations, 42 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 11 ConcurrentYvCompositions, 8 ChoiceCompositions, 3347 VarBasedMoverChecksPositive, 119 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 28812 CheckedPairsTotal, 95 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 712]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 712). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 98 places, 88 transitions, 239 flow. Already constructed 346171 states. Currently 58810 states in worklist.. - TimeoutResultAtElement [Line: 705]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 705). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 98 places, 88 transitions, 239 flow. Already constructed 346171 states. Currently 58810 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 65 locations, 2 error locations. Started 3 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 258.0s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 251.0s, HoareTripleCheckerStatistics: 304 SDtfs, 220 SDslu, 183 SDs, 0 SdLazy, 96 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36200occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 3763 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 1314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown