/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 05:25:15,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 05:25:15,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 05:25:15,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 05:25:15,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 05:25:15,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 05:25:15,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 05:25:15,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 05:25:15,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 05:25:15,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 05:25:15,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 05:25:15,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 05:25:15,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 05:25:15,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 05:25:15,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 05:25:15,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 05:25:15,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 05:25:15,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 05:25:15,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 05:25:15,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 05:25:15,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 05:25:15,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 05:25:15,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 05:25:15,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 05:25:15,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 05:25:15,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 05:25:15,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 05:25:15,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 05:25:15,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 05:25:15,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 05:25:15,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 05:25:15,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 05:25:15,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 05:25:15,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 05:25:15,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 05:25:15,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 05:25:15,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 05:25:15,655 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 05:25:15,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 05:25:15,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 05:25:15,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 05:25:15,658 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 05:25:15,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 05:25:15,658 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 05:25:15,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 05:25:15,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 05:25:15,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 05:25:15,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 05:25:15,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 05:25:15,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 05:25:15,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 05:25:15,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 05:25:15,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 05:25:15,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 05:25:15,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 05:25:15,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 05:25:15,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 05:25:15,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 05:25:15,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 05:25:15,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 05:25:15,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 05:25:15,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 05:25:15,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 05:25:15,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 05:25:15,664 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 05:25:15,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 05:25:15,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 05:25:15,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 05:25:16,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 05:25:16,002 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 05:25:16,004 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 05:25:16,005 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2020-10-16 05:25:16,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb819746e/4a14908a587e4384964ca349d1ff5cb7/FLAG77ea2d933 [2020-10-16 05:25:16,675 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 05:25:16,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2020-10-16 05:25:16,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb819746e/4a14908a587e4384964ca349d1ff5cb7/FLAG77ea2d933 [2020-10-16 05:25:16,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb819746e/4a14908a587e4384964ca349d1ff5cb7 [2020-10-16 05:25:16,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 05:25:16,874 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 05:25:16,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 05:25:16,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 05:25:16,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 05:25:16,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:25:16" (1/1) ... [2020-10-16 05:25:16,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4786b9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:16, skipping insertion in model container [2020-10-16 05:25:16,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:25:16" (1/1) ... [2020-10-16 05:25:16,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 05:25:16,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 05:25:17,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:25:17,799 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 05:25:17,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:25:18,299 INFO L208 MainTranslator]: Completed translation [2020-10-16 05:25:18,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18 WrapperNode [2020-10-16 05:25:18,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 05:25:18,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 05:25:18,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 05:25:18,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 05:25:18,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (1/1) ... [2020-10-16 05:25:18,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (1/1) ... [2020-10-16 05:25:18,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 05:25:18,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 05:25:18,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 05:25:18,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 05:25:18,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (1/1) ... [2020-10-16 05:25:18,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (1/1) ... [2020-10-16 05:25:18,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (1/1) ... [2020-10-16 05:25:18,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (1/1) ... [2020-10-16 05:25:18,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (1/1) ... [2020-10-16 05:25:18,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (1/1) ... [2020-10-16 05:25:18,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (1/1) ... [2020-10-16 05:25:18,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 05:25:18,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 05:25:18,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 05:25:18,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 05:25:18,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 05:25:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 05:25:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 05:25:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 05:25:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 05:25:18,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 05:25:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-16 05:25:18,542 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-16 05:25:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 05:25:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 05:25:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 05:25:18,547 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 05:25:19,176 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 05:25:19,176 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-16 05:25:19,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:25:19 BoogieIcfgContainer [2020-10-16 05:25:19,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 05:25:19,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 05:25:19,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 05:25:19,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 05:25:19,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:25:16" (1/3) ... [2020-10-16 05:25:19,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7503a69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:25:19, skipping insertion in model container [2020-10-16 05:25:19,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:25:18" (2/3) ... [2020-10-16 05:25:19,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7503a69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:25:19, skipping insertion in model container [2020-10-16 05:25:19,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:25:19" (3/3) ... [2020-10-16 05:25:19,187 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2020-10-16 05:25:19,199 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 05:25:19,207 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-16 05:25:19,208 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 05:25:19,237 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,238 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,238 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,238 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,238 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,239 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,239 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,239 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,239 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,239 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,242 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,242 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,242 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,242 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,242 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,243 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,243 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,243 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,244 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,244 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,244 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,244 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,244 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,244 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,245 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,245 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,245 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,245 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,245 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,246 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,246 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,246 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,246 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,246 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,246 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,247 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,247 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,247 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,247 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,248 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,248 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,248 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,248 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,248 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,249 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,249 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,252 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,253 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,253 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,253 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,253 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,254 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,254 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,254 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,254 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,255 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,255 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,261 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,261 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,261 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,262 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,262 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,262 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,262 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,262 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,263 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,263 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,263 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:25:19,293 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 05:25:19,311 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 05:25:19,311 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 05:25:19,311 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 05:25:19,311 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 05:25:19,311 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 05:25:19,312 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 05:25:19,312 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 05:25:19,312 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 05:25:19,329 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 129 places, 131 transitions, 284 flow [2020-10-16 05:25:19,395 INFO L129 PetriNetUnfolder]: 9/169 cut-off events. [2020-10-16 05:25:19,395 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 05:25:19,401 INFO L80 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 169 events. 9/169 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 347 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 86. Up to 4 conditions per place. [2020-10-16 05:25:19,401 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 131 transitions, 284 flow [2020-10-16 05:25:19,409 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 120 transitions, 258 flow [2020-10-16 05:25:19,411 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 05:25:19,414 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 120 transitions, 258 flow [2020-10-16 05:25:19,417 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 120 transitions, 258 flow [2020-10-16 05:25:19,418 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 120 transitions, 258 flow [2020-10-16 05:25:19,452 INFO L129 PetriNetUnfolder]: 6/152 cut-off events. [2020-10-16 05:25:19,452 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 05:25:19,453 INFO L80 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 152 events. 6/152 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 290 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 77. Up to 4 conditions per place. [2020-10-16 05:25:19,457 INFO L117 LiptonReduction]: Number of co-enabled transitions 1848 [2020-10-16 05:25:20,069 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:20,092 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:20,097 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:20,113 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:20,114 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:20,115 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-16 05:25:20,146 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:20,177 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:20,182 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:20,202 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:20,204 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:20,205 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-16 05:25:20,219 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:20,243 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:20,249 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:20,270 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:20,272 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:20,272 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 05:25:22,355 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:22,421 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:22,426 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:22,450 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:22,451 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:22,452 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 05:25:22,484 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:22,511 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:22,515 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:22,536 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:22,537 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:22,538 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:25:25,243 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:25,268 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:25,272 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:25,293 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:25,294 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:25,295 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 05:25:25,316 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:25,338 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:25,342 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:25,367 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:25,368 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:25,369 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:25:27,385 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:27,406 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:27,410 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:27,429 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:27,430 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:27,431 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:25:27,443 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:27,462 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:27,467 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:27,484 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:27,486 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:27,487 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 05:25:29,561 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:29,591 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:29,596 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:29,618 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:29,619 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:29,619 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 05:25:29,639 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:29,665 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:29,670 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:29,687 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:29,688 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:29,689 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 05:25:31,742 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:31,779 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:31,785 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:31,830 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:31,831 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:31,832 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-10-16 05:25:31,854 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:31,890 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:31,897 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:31,933 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:31,935 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:31,937 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:108, output treesize:110 [2020-10-16 05:25:31,981 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:32,019 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:32,024 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:32,056 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:32,057 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:32,057 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 05:25:32,074 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:32,105 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:32,108 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:32,130 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:32,131 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:32,131 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 05:25:34,564 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:34,592 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:34,596 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:34,620 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:34,622 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:34,622 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:74 [2020-10-16 05:25:34,652 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:34,677 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:34,681 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:34,708 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:34,709 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:34,709 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:25:34,720 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:34,748 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:34,754 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:34,781 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:34,782 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:34,783 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:25:36,805 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:36,834 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:36,838 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:36,863 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:36,865 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:36,865 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 05:25:36,882 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:36,920 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:36,925 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:36,948 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:36,949 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:36,949 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 05:25:38,978 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:39,001 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:39,006 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:39,021 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:39,022 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:39,023 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:25:39,033 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:39,063 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:39,067 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:39,083 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:39,084 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:39,084 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 05:25:41,408 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:41,437 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:41,440 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:41,468 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:41,469 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:41,470 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:126, output treesize:138 [2020-10-16 05:25:41,630 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:41,692 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:41,697 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:41,757 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:41,758 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:41,758 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:146 [2020-10-16 05:25:41,772 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:41,834 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:41,838 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:41,900 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:41,902 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:41,902 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:148 [2020-10-16 05:25:43,921 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:43,979 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:43,983 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:44,043 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:44,044 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:44,045 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:142 [2020-10-16 05:25:44,061 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:44,126 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:44,130 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:44,182 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:44,183 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:44,183 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:142 [2020-10-16 05:25:46,201 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:46,259 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:46,265 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:46,312 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:46,313 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:46,313 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:138 [2020-10-16 05:25:46,330 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:46,391 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:46,396 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:46,474 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:46,476 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:46,476 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:138 [2020-10-16 05:25:48,860 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:48,932 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:48,936 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:48,990 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:48,991 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:48,992 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:148 [2020-10-16 05:25:49,013 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:49,085 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:49,090 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:49,148 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:49,149 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:49,150 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:146 [2020-10-16 05:25:51,258 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:51,294 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:51,298 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:51,330 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:51,331 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:51,331 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-10-16 05:25:51,343 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:51,378 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:51,382 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:51,410 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:51,411 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:51,411 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 05:25:53,571 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:53,622 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:53,626 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:53,667 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:53,668 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:53,669 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:130 [2020-10-16 05:25:53,681 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:53,728 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:53,732 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:53,771 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:53,772 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:53,772 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:130 [2020-10-16 05:25:55,982 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 05:25:56,128 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 05:25:56,276 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 05:25:56,412 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 05:25:56,471 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:56,512 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:56,516 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:56,556 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:56,557 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:56,558 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:130 [2020-10-16 05:25:56,573 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:56,610 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:56,616 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:56,648 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:56,649 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:56,650 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:130 [2020-10-16 05:25:58,889 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,010 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-16 05:25:59,011 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:59,016 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,112 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:59,113 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,114 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:162, output treesize:164 [2020-10-16 05:25:59,126 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,222 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:59,226 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,310 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:59,312 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,312 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:162, output treesize:164 [2020-10-16 05:25:59,329 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,387 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:59,391 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,442 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:59,443 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,443 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:142 [2020-10-16 05:25:59,457 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,516 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:59,520 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,573 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:25:59,574 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:25:59,575 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:142 [2020-10-16 05:26:02,455 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2020-10-16 05:26:02,847 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-16 05:26:03,325 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2020-10-16 05:26:03,546 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-16 05:26:03,692 INFO L132 LiptonReduction]: Checked pairs total: 3328 [2020-10-16 05:26:03,692 INFO L134 LiptonReduction]: Total number of compositions: 118 [2020-10-16 05:26:03,695 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44286 [2020-10-16 05:26:03,707 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2020-10-16 05:26:03,707 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:26:03,707 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:03,710 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 05:26:03,711 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:03,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:03,716 INFO L82 PathProgramCache]: Analyzing trace with hash 13787830, now seen corresponding path program 1 times [2020-10-16 05:26:03,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:03,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864274988] [2020-10-16 05:26:03,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:04,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864274988] [2020-10-16 05:26:04,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:04,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:26:04,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990607363] [2020-10-16 05:26:04,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:26:04,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:04,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:26:04,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:26:04,240 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 249 [2020-10-16 05:26:04,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 28 transitions, 74 flow. Second operand 3 states. [2020-10-16 05:26:04,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:04,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 249 [2020-10-16 05:26:04,245 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:04,477 INFO L129 PetriNetUnfolder]: 241/451 cut-off events. [2020-10-16 05:26:04,477 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2020-10-16 05:26:04,479 INFO L80 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 451 events. 241/451 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2002 event pairs, 97 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 842. Up to 325 conditions per place. [2020-10-16 05:26:04,483 INFO L132 encePairwiseOnDemand]: 241/249 looper letters, 23 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2020-10-16 05:26:04,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 37 transitions, 152 flow [2020-10-16 05:26:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:26:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:26:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2020-10-16 05:26:04,503 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6358768406961178 [2020-10-16 05:26:04,503 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 475 transitions. [2020-10-16 05:26:04,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 475 transitions. [2020-10-16 05:26:04,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:04,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 475 transitions. [2020-10-16 05:26:04,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:26:04,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:26:04,524 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:26:04,527 INFO L185 Difference]: Start difference. First operand has 31 places, 28 transitions, 74 flow. Second operand 3 states and 475 transitions. [2020-10-16 05:26:04,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 37 transitions, 152 flow [2020-10-16 05:26:04,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 140 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 05:26:04,539 INFO L241 Difference]: Finished difference. Result has 31 places, 33 transitions, 112 flow [2020-10-16 05:26:04,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=31, PETRI_TRANSITIONS=33} [2020-10-16 05:26:04,543 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 0 predicate places. [2020-10-16 05:26:04,544 INFO L481 AbstractCegarLoop]: Abstraction has has 31 places, 33 transitions, 112 flow [2020-10-16 05:26:04,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:26:04,544 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:04,544 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 05:26:04,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 05:26:04,545 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:04,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:04,545 INFO L82 PathProgramCache]: Analyzing trace with hash 427423673, now seen corresponding path program 1 times [2020-10-16 05:26:04,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:04,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414266047] [2020-10-16 05:26:04,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:04,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:04,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414266047] [2020-10-16 05:26:04,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:04,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:26:04,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028338352] [2020-10-16 05:26:04,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:26:04,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:04,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:26:04,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:26:04,668 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 249 [2020-10-16 05:26:04,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 33 transitions, 112 flow. Second operand 3 states. [2020-10-16 05:26:04,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:04,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 249 [2020-10-16 05:26:04,668 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:04,852 INFO L129 PetriNetUnfolder]: 290/543 cut-off events. [2020-10-16 05:26:04,852 INFO L130 PetriNetUnfolder]: For 257/262 co-relation queries the response was YES. [2020-10-16 05:26:04,860 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 543 events. 290/543 cut-off events. For 257/262 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2631 event pairs, 125 based on Foata normal form. 17/552 useless extension candidates. Maximal degree in co-relation 265. Up to 421 conditions per place. [2020-10-16 05:26:04,867 INFO L132 encePairwiseOnDemand]: 242/249 looper letters, 27 selfloop transitions, 9 changer transitions 2/45 dead transitions. [2020-10-16 05:26:04,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 45 transitions, 242 flow [2020-10-16 05:26:04,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:26:04,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:26:04,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2020-10-16 05:26:04,874 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6345381526104418 [2020-10-16 05:26:04,875 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 474 transitions. [2020-10-16 05:26:04,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 474 transitions. [2020-10-16 05:26:04,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:04,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 474 transitions. [2020-10-16 05:26:04,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:26:04,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:26:04,883 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:26:04,884 INFO L185 Difference]: Start difference. First operand has 31 places, 33 transitions, 112 flow. Second operand 3 states and 474 transitions. [2020-10-16 05:26:04,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 45 transitions, 242 flow [2020-10-16 05:26:04,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 45 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 05:26:04,891 INFO L241 Difference]: Finished difference. Result has 32 places, 39 transitions, 169 flow [2020-10-16 05:26:04,892 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=32, PETRI_TRANSITIONS=39} [2020-10-16 05:26:04,892 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 1 predicate places. [2020-10-16 05:26:04,893 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 39 transitions, 169 flow [2020-10-16 05:26:04,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:26:04,893 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:04,893 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:04,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 05:26:04,894 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:04,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:04,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1942787479, now seen corresponding path program 1 times [2020-10-16 05:26:04,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:04,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364173887] [2020-10-16 05:26:04,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:04,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364173887] [2020-10-16 05:26:04,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:04,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 05:26:04,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594710598] [2020-10-16 05:26:04,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:26:04,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:04,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:26:04,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:26:04,997 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 249 [2020-10-16 05:26:04,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 39 transitions, 169 flow. Second operand 3 states. [2020-10-16 05:26:04,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:04,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 249 [2020-10-16 05:26:04,999 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:05,021 INFO L129 PetriNetUnfolder]: 5/39 cut-off events. [2020-10-16 05:26:05,022 INFO L130 PetriNetUnfolder]: For 15/30 co-relation queries the response was YES. [2020-10-16 05:26:05,022 INFO L80 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 39 events. 5/39 cut-off events. For 15/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 96 event pairs, 4 based on Foata normal form. 15/51 useless extension candidates. Maximal degree in co-relation 68. Up to 13 conditions per place. [2020-10-16 05:26:05,022 INFO L132 encePairwiseOnDemand]: 247/249 looper letters, 2 selfloop transitions, 1 changer transitions 0/21 dead transitions. [2020-10-16 05:26:05,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 21 transitions, 70 flow [2020-10-16 05:26:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:26:05,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:26:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 631 transitions. [2020-10-16 05:26:05,026 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8447121820615796 [2020-10-16 05:26:05,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 631 transitions. [2020-10-16 05:26:05,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 631 transitions. [2020-10-16 05:26:05,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:05,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 631 transitions. [2020-10-16 05:26:05,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:26:05,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:26:05,033 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:26:05,033 INFO L185 Difference]: Start difference. First operand has 32 places, 39 transitions, 169 flow. Second operand 3 states and 631 transitions. [2020-10-16 05:26:05,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 21 transitions, 70 flow [2020-10-16 05:26:05,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 62 flow, removed 4 selfloop flow, removed 1 redundant places. [2020-10-16 05:26:05,037 INFO L241 Difference]: Finished difference. Result has 26 places, 21 transitions, 58 flow [2020-10-16 05:26:05,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=26, PETRI_TRANSITIONS=21} [2020-10-16 05:26:05,037 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, -5 predicate places. [2020-10-16 05:26:05,037 INFO L481 AbstractCegarLoop]: Abstraction has has 26 places, 21 transitions, 58 flow [2020-10-16 05:26:05,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:26:05,037 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:05,038 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:05,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 05:26:05,038 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:05,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:05,038 INFO L82 PathProgramCache]: Analyzing trace with hash -833340819, now seen corresponding path program 1 times [2020-10-16 05:26:05,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:05,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388340302] [2020-10-16 05:26:05,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:05,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388340302] [2020-10-16 05:26:05,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:05,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 05:26:05,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19025315] [2020-10-16 05:26:05,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 05:26:05,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:05,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 05:26:05,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 05:26:05,477 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 249 [2020-10-16 05:26:05,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 21 transitions, 58 flow. Second operand 8 states. [2020-10-16 05:26:05,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:05,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 249 [2020-10-16 05:26:05,478 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:05,904 INFO L129 PetriNetUnfolder]: 75/194 cut-off events. [2020-10-16 05:26:05,905 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2020-10-16 05:26:05,906 INFO L80 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 194 events. 75/194 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 820 event pairs, 12 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 437. Up to 65 conditions per place. [2020-10-16 05:26:05,907 INFO L132 encePairwiseOnDemand]: 240/249 looper letters, 25 selfloop transitions, 11 changer transitions 0/41 dead transitions. [2020-10-16 05:26:05,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 41 transitions, 183 flow [2020-10-16 05:26:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 05:26:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 05:26:05,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 905 transitions. [2020-10-16 05:26:05,912 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.519219736087206 [2020-10-16 05:26:05,912 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 905 transitions. [2020-10-16 05:26:05,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 905 transitions. [2020-10-16 05:26:05,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:05,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 905 transitions. [2020-10-16 05:26:05,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 05:26:05,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 05:26:05,919 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 05:26:05,919 INFO L185 Difference]: Start difference. First operand has 26 places, 21 transitions, 58 flow. Second operand 7 states and 905 transitions. [2020-10-16 05:26:05,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 41 transitions, 183 flow [2020-10-16 05:26:05,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 41 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 05:26:05,922 INFO L241 Difference]: Finished difference. Result has 32 places, 27 transitions, 109 flow [2020-10-16 05:26:05,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=109, PETRI_PLACES=32, PETRI_TRANSITIONS=27} [2020-10-16 05:26:05,923 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 1 predicate places. [2020-10-16 05:26:05,923 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 27 transitions, 109 flow [2020-10-16 05:26:05,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 05:26:05,923 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:05,923 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:05,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 05:26:05,927 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:05,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:05,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1869564455, now seen corresponding path program 2 times [2020-10-16 05:26:05,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:05,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076073041] [2020-10-16 05:26:05,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:06,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:06,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076073041] [2020-10-16 05:26:06,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:06,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 05:26:06,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572799337] [2020-10-16 05:26:06,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 05:26:06,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:06,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 05:26:06,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 05:26:06,303 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 249 [2020-10-16 05:26:06,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 27 transitions, 109 flow. Second operand 8 states. [2020-10-16 05:26:06,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:06,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 249 [2020-10-16 05:26:06,305 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:06,763 INFO L129 PetriNetUnfolder]: 110/291 cut-off events. [2020-10-16 05:26:06,763 INFO L130 PetriNetUnfolder]: For 185/189 co-relation queries the response was YES. [2020-10-16 05:26:06,764 INFO L80 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 291 events. 110/291 cut-off events. For 185/189 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1430 event pairs, 8 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 798. Up to 113 conditions per place. [2020-10-16 05:26:06,766 INFO L132 encePairwiseOnDemand]: 241/249 looper letters, 40 selfloop transitions, 20 changer transitions 0/65 dead transitions. [2020-10-16 05:26:06,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 65 transitions, 398 flow [2020-10-16 05:26:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 05:26:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 05:26:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1032 transitions. [2020-10-16 05:26:06,771 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5180722891566265 [2020-10-16 05:26:06,771 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1032 transitions. [2020-10-16 05:26:06,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1032 transitions. [2020-10-16 05:26:06,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:06,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1032 transitions. [2020-10-16 05:26:06,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 05:26:06,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 05:26:06,778 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 05:26:06,778 INFO L185 Difference]: Start difference. First operand has 32 places, 27 transitions, 109 flow. Second operand 8 states and 1032 transitions. [2020-10-16 05:26:06,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 65 transitions, 398 flow [2020-10-16 05:26:06,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 65 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 05:26:06,782 INFO L241 Difference]: Finished difference. Result has 40 places, 39 transitions, 240 flow [2020-10-16 05:26:06,782 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=240, PETRI_PLACES=40, PETRI_TRANSITIONS=39} [2020-10-16 05:26:06,782 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 9 predicate places. [2020-10-16 05:26:06,782 INFO L481 AbstractCegarLoop]: Abstraction has has 40 places, 39 transitions, 240 flow [2020-10-16 05:26:06,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 05:26:06,783 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:06,783 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:06,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 05:26:06,783 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:06,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:06,783 INFO L82 PathProgramCache]: Analyzing trace with hash 589931523, now seen corresponding path program 1 times [2020-10-16 05:26:06,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:06,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329502049] [2020-10-16 05:26:06,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:07,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329502049] [2020-10-16 05:26:07,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:07,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 05:26:07,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19368291] [2020-10-16 05:26:07,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 05:26:07,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:07,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 05:26:07,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 05:26:07,640 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 05:26:07,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 39 transitions, 240 flow. Second operand 14 states. [2020-10-16 05:26:07,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:07,642 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 05:26:07,642 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:08,905 INFO L129 PetriNetUnfolder]: 145/385 cut-off events. [2020-10-16 05:26:08,905 INFO L130 PetriNetUnfolder]: For 663/669 co-relation queries the response was YES. [2020-10-16 05:26:08,907 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1327 conditions, 385 events. 145/385 cut-off events. For 663/669 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2172 event pairs, 40 based on Foata normal form. 3/385 useless extension candidates. Maximal degree in co-relation 1318. Up to 233 conditions per place. [2020-10-16 05:26:08,911 INFO L132 encePairwiseOnDemand]: 236/249 looper letters, 60 selfloop transitions, 26 changer transitions 11/102 dead transitions. [2020-10-16 05:26:08,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 102 transitions, 803 flow [2020-10-16 05:26:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 05:26:08,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 05:26:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1519 transitions. [2020-10-16 05:26:08,919 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4692616620327464 [2020-10-16 05:26:08,919 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1519 transitions. [2020-10-16 05:26:08,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1519 transitions. [2020-10-16 05:26:08,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:08,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1519 transitions. [2020-10-16 05:26:08,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 05:26:08,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 05:26:08,933 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 05:26:08,933 INFO L185 Difference]: Start difference. First operand has 40 places, 39 transitions, 240 flow. Second operand 13 states and 1519 transitions. [2020-10-16 05:26:08,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 102 transitions, 803 flow [2020-10-16 05:26:08,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 102 transitions, 797 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 05:26:08,940 INFO L241 Difference]: Finished difference. Result has 59 places, 65 transitions, 560 flow [2020-10-16 05:26:08,940 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=560, PETRI_PLACES=59, PETRI_TRANSITIONS=65} [2020-10-16 05:26:08,940 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 28 predicate places. [2020-10-16 05:26:08,940 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 65 transitions, 560 flow [2020-10-16 05:26:08,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 05:26:08,941 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:08,941 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:08,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 05:26:08,942 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:08,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:08,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1459227231, now seen corresponding path program 2 times [2020-10-16 05:26:08,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:08,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347164420] [2020-10-16 05:26:08,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:09,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347164420] [2020-10-16 05:26:09,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:09,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 05:26:09,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065273502] [2020-10-16 05:26:09,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 05:26:09,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:09,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 05:26:09,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 05:26:09,660 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 05:26:09,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 65 transitions, 560 flow. Second operand 14 states. [2020-10-16 05:26:09,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:09,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 05:26:09,661 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:10,951 INFO L129 PetriNetUnfolder]: 200/513 cut-off events. [2020-10-16 05:26:10,951 INFO L130 PetriNetUnfolder]: For 1835/1852 co-relation queries the response was YES. [2020-10-16 05:26:10,954 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2329 conditions, 513 events. 200/513 cut-off events. For 1835/1852 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3109 event pairs, 34 based on Foata normal form. 6/517 useless extension candidates. Maximal degree in co-relation 2311. Up to 263 conditions per place. [2020-10-16 05:26:10,958 INFO L132 encePairwiseOnDemand]: 235/249 looper letters, 79 selfloop transitions, 66 changer transitions 0/150 dead transitions. [2020-10-16 05:26:10,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 150 transitions, 1604 flow [2020-10-16 05:26:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 05:26:10,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 05:26:10,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1633 transitions. [2020-10-16 05:26:10,965 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4684452094090648 [2020-10-16 05:26:10,965 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1633 transitions. [2020-10-16 05:26:10,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1633 transitions. [2020-10-16 05:26:10,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:10,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1633 transitions. [2020-10-16 05:26:10,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 05:26:10,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 05:26:10,975 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 05:26:10,975 INFO L185 Difference]: Start difference. First operand has 59 places, 65 transitions, 560 flow. Second operand 14 states and 1633 transitions. [2020-10-16 05:26:10,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 150 transitions, 1604 flow [2020-10-16 05:26:10,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 150 transitions, 1492 flow, removed 55 selfloop flow, removed 4 redundant places. [2020-10-16 05:26:10,992 INFO L241 Difference]: Finished difference. Result has 72 places, 118 transitions, 1280 flow [2020-10-16 05:26:10,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1280, PETRI_PLACES=72, PETRI_TRANSITIONS=118} [2020-10-16 05:26:10,993 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 41 predicate places. [2020-10-16 05:26:10,993 INFO L481 AbstractCegarLoop]: Abstraction has has 72 places, 118 transitions, 1280 flow [2020-10-16 05:26:10,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 05:26:10,993 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:10,993 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:10,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 05:26:10,994 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:10,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:10,994 INFO L82 PathProgramCache]: Analyzing trace with hash 479978243, now seen corresponding path program 3 times [2020-10-16 05:26:10,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:10,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708026640] [2020-10-16 05:26:10,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:11,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708026640] [2020-10-16 05:26:11,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:11,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 05:26:11,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767768092] [2020-10-16 05:26:11,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 05:26:11,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:11,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 05:26:11,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 05:26:11,741 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 05:26:11,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 118 transitions, 1280 flow. Second operand 14 states. [2020-10-16 05:26:11,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:11,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 05:26:11,742 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:13,129 INFO L129 PetriNetUnfolder]: 228/593 cut-off events. [2020-10-16 05:26:13,130 INFO L130 PetriNetUnfolder]: For 3233/3252 co-relation queries the response was YES. [2020-10-16 05:26:13,135 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3059 conditions, 593 events. 228/593 cut-off events. For 3233/3252 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3747 event pairs, 61 based on Foata normal form. 10/598 useless extension candidates. Maximal degree in co-relation 3036. Up to 408 conditions per place. [2020-10-16 05:26:13,141 INFO L132 encePairwiseOnDemand]: 237/249 looper letters, 118 selfloop transitions, 43 changer transitions 13/179 dead transitions. [2020-10-16 05:26:13,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 179 transitions, 2190 flow [2020-10-16 05:26:13,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 05:26:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-16 05:26:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1749 transitions. [2020-10-16 05:26:13,149 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4682730923694779 [2020-10-16 05:26:13,149 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1749 transitions. [2020-10-16 05:26:13,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1749 transitions. [2020-10-16 05:26:13,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:13,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1749 transitions. [2020-10-16 05:26:13,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-16 05:26:13,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-16 05:26:13,160 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-16 05:26:13,160 INFO L185 Difference]: Start difference. First operand has 72 places, 118 transitions, 1280 flow. Second operand 15 states and 1749 transitions. [2020-10-16 05:26:13,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 179 transitions, 2190 flow [2020-10-16 05:26:13,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 179 transitions, 1994 flow, removed 97 selfloop flow, removed 1 redundant places. [2020-10-16 05:26:13,179 INFO L241 Difference]: Finished difference. Result has 93 places, 138 transitions, 1508 flow [2020-10-16 05:26:13,179 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=1142, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1508, PETRI_PLACES=93, PETRI_TRANSITIONS=138} [2020-10-16 05:26:13,180 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 62 predicate places. [2020-10-16 05:26:13,180 INFO L481 AbstractCegarLoop]: Abstraction has has 93 places, 138 transitions, 1508 flow [2020-10-16 05:26:13,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 05:26:13,180 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:13,180 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:13,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 05:26:13,180 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:13,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:13,181 INFO L82 PathProgramCache]: Analyzing trace with hash 627924559, now seen corresponding path program 4 times [2020-10-16 05:26:13,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:13,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271364288] [2020-10-16 05:26:13,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:13,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271364288] [2020-10-16 05:26:13,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:13,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 05:26:13,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351385221] [2020-10-16 05:26:13,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 05:26:13,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:13,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 05:26:13,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 05:26:13,942 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 05:26:13,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 138 transitions, 1508 flow. Second operand 14 states. [2020-10-16 05:26:13,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:13,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 05:26:13,944 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:15,241 INFO L129 PetriNetUnfolder]: 240/636 cut-off events. [2020-10-16 05:26:15,241 INFO L130 PetriNetUnfolder]: For 3802/3814 co-relation queries the response was YES. [2020-10-16 05:26:15,244 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3395 conditions, 636 events. 240/636 cut-off events. For 3802/3814 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4094 event pairs, 57 based on Foata normal form. 3/634 useless extension candidates. Maximal degree in co-relation 3363. Up to 461 conditions per place. [2020-10-16 05:26:15,248 INFO L132 encePairwiseOnDemand]: 237/249 looper letters, 128 selfloop transitions, 56 changer transitions 0/189 dead transitions. [2020-10-16 05:26:15,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 189 transitions, 2341 flow [2020-10-16 05:26:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 05:26:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-16 05:26:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1746 transitions. [2020-10-16 05:26:15,254 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4674698795180723 [2020-10-16 05:26:15,255 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1746 transitions. [2020-10-16 05:26:15,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1746 transitions. [2020-10-16 05:26:15,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:15,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1746 transitions. [2020-10-16 05:26:15,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-16 05:26:15,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-16 05:26:15,265 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-16 05:26:15,265 INFO L185 Difference]: Start difference. First operand has 93 places, 138 transitions, 1508 flow. Second operand 15 states and 1746 transitions. [2020-10-16 05:26:15,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 189 transitions, 2341 flow [2020-10-16 05:26:15,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 189 transitions, 2189 flow, removed 52 selfloop flow, removed 8 redundant places. [2020-10-16 05:26:15,288 INFO L241 Difference]: Finished difference. Result has 103 places, 166 transitions, 1889 flow [2020-10-16 05:26:15,289 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=1394, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1889, PETRI_PLACES=103, PETRI_TRANSITIONS=166} [2020-10-16 05:26:15,289 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 72 predicate places. [2020-10-16 05:26:15,289 INFO L481 AbstractCegarLoop]: Abstraction has has 103 places, 166 transitions, 1889 flow [2020-10-16 05:26:15,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 05:26:15,289 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:15,289 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:15,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 05:26:15,290 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:15,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:15,290 INFO L82 PathProgramCache]: Analyzing trace with hash 128875285, now seen corresponding path program 5 times [2020-10-16 05:26:15,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:15,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639965078] [2020-10-16 05:26:15,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:16,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:16,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639965078] [2020-10-16 05:26:16,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:16,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 05:26:16,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913605399] [2020-10-16 05:26:16,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 05:26:16,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:16,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 05:26:16,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 05:26:16,114 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 05:26:16,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 166 transitions, 1889 flow. Second operand 14 states. [2020-10-16 05:26:16,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:16,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 05:26:16,117 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:17,491 INFO L129 PetriNetUnfolder]: 259/703 cut-off events. [2020-10-16 05:26:17,492 INFO L130 PetriNetUnfolder]: For 4277/4289 co-relation queries the response was YES. [2020-10-16 05:26:17,497 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 703 events. 259/703 cut-off events. For 4277/4289 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4732 event pairs, 64 based on Foata normal form. 3/699 useless extension candidates. Maximal degree in co-relation 3769. Up to 474 conditions per place. [2020-10-16 05:26:17,502 INFO L132 encePairwiseOnDemand]: 235/249 looper letters, 144 selfloop transitions, 60 changer transitions 12/221 dead transitions. [2020-10-16 05:26:17,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 221 transitions, 2847 flow [2020-10-16 05:26:17,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 05:26:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 05:26:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1639 transitions. [2020-10-16 05:26:17,507 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.47016637980493403 [2020-10-16 05:26:17,507 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1639 transitions. [2020-10-16 05:26:17,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1639 transitions. [2020-10-16 05:26:17,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:17,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1639 transitions. [2020-10-16 05:26:17,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 05:26:17,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 05:26:17,516 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 05:26:17,516 INFO L185 Difference]: Start difference. First operand has 103 places, 166 transitions, 1889 flow. Second operand 14 states and 1639 transitions. [2020-10-16 05:26:17,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 221 transitions, 2847 flow [2020-10-16 05:26:17,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 221 transitions, 2742 flow, removed 49 selfloop flow, removed 2 redundant places. [2020-10-16 05:26:17,547 INFO L241 Difference]: Finished difference. Result has 119 places, 179 transitions, 2147 flow [2020-10-16 05:26:17,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=1802, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2147, PETRI_PLACES=119, PETRI_TRANSITIONS=179} [2020-10-16 05:26:17,549 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 88 predicate places. [2020-10-16 05:26:17,549 INFO L481 AbstractCegarLoop]: Abstraction has has 119 places, 179 transitions, 2147 flow [2020-10-16 05:26:17,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 05:26:17,549 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:17,549 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:17,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 05:26:17,550 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:17,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:17,550 INFO L82 PathProgramCache]: Analyzing trace with hash -537390289, now seen corresponding path program 6 times [2020-10-16 05:26:17,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:17,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636230984] [2020-10-16 05:26:17,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:18,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636230984] [2020-10-16 05:26:18,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:18,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 05:26:18,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762801296] [2020-10-16 05:26:18,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 05:26:18,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:18,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 05:26:18,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 05:26:18,347 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 05:26:18,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 179 transitions, 2147 flow. Second operand 14 states. [2020-10-16 05:26:18,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:18,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 05:26:18,349 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:19,556 INFO L129 PetriNetUnfolder]: 269/756 cut-off events. [2020-10-16 05:26:19,556 INFO L130 PetriNetUnfolder]: For 5431/5446 co-relation queries the response was YES. [2020-10-16 05:26:19,560 INFO L80 FinitePrefix]: Finished finitePrefix Result has 4240 conditions, 756 events. 269/756 cut-off events. For 5431/5446 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5320 event pairs, 62 based on Foata normal form. 12/764 useless extension candidates. Maximal degree in co-relation 4199. Up to 467 conditions per place. [2020-10-16 05:26:19,566 INFO L132 encePairwiseOnDemand]: 235/249 looper letters, 140 selfloop transitions, 71 changer transitions 12/228 dead transitions. [2020-10-16 05:26:19,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 228 transitions, 3094 flow [2020-10-16 05:26:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 05:26:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 05:26:19,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1523 transitions. [2020-10-16 05:26:19,576 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.47049737411183196 [2020-10-16 05:26:19,577 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1523 transitions. [2020-10-16 05:26:19,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1523 transitions. [2020-10-16 05:26:19,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:19,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1523 transitions. [2020-10-16 05:26:19,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 05:26:19,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 05:26:19,585 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 05:26:19,585 INFO L185 Difference]: Start difference. First operand has 119 places, 179 transitions, 2147 flow. Second operand 13 states and 1523 transitions. [2020-10-16 05:26:19,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 228 transitions, 3094 flow [2020-10-16 05:26:19,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 228 transitions, 2920 flow, removed 39 selfloop flow, removed 11 redundant places. [2020-10-16 05:26:19,621 INFO L241 Difference]: Finished difference. Result has 123 places, 196 transitions, 2465 flow [2020-10-16 05:26:19,622 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=1995, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2465, PETRI_PLACES=123, PETRI_TRANSITIONS=196} [2020-10-16 05:26:19,622 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 92 predicate places. [2020-10-16 05:26:19,622 INFO L481 AbstractCegarLoop]: Abstraction has has 123 places, 196 transitions, 2465 flow [2020-10-16 05:26:19,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 05:26:19,622 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:19,622 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:19,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 05:26:19,623 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:26:19,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:19,623 INFO L82 PathProgramCache]: Analyzing trace with hash 667219701, now seen corresponding path program 7 times [2020-10-16 05:26:19,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:19,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019528455] [2020-10-16 05:26:19,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 05:26:19,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 05:26:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 05:26:19,678 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 05:26:19,712 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 05:26:19,713 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 05:26:19,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 05:26:19,714 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 05:26:19,726 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [381] [381] L1682-->L1739: Formula: (and (= ULTIMATE.start_ldv_assert_~expression_Out1467309130 |ULTIMATE.start_ldv_assert_#in~expression_In1467309130|) (not (= ULTIMATE.start_ldv_assert_~expression_Out1467309130 0))) InVars {ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In1467309130|} OutVars{ULTIMATE.start_main_#t~mem40=|ULTIMATE.start_main_#t~mem40_Out1467309130|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In1467309130|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1467309130} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem40, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-16 05:26:19,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:26:19 BasicIcfg [2020-10-16 05:26:19,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 05:26:19,773 INFO L168 Benchmark]: Toolchain (without parser) took 62899.44 ms. Allocated memory was 249.0 MB in the beginning and 604.5 MB in the end (delta: 355.5 MB). Free memory was 198.9 MB in the beginning and 285.6 MB in the end (delta: -86.7 MB). Peak memory consumption was 268.8 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:19,773 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 249.0 MB. Free memory is still 222.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 05:26:19,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1427.44 ms. Allocated memory was 249.0 MB in the beginning and 358.6 MB in the end (delta: 109.6 MB). Free memory was 198.9 MB in the beginning and 324.4 MB in the end (delta: -125.5 MB). Peak memory consumption was 107.0 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:19,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.38 ms. Allocated memory is still 358.6 MB. Free memory was 324.4 MB in the beginning and 320.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:19,775 INFO L168 Benchmark]: Boogie Preprocessor took 68.07 ms. Allocated memory is still 358.6 MB. Free memory was 320.8 MB in the beginning and 317.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:19,776 INFO L168 Benchmark]: RCFGBuilder took 698.31 ms. Allocated memory is still 358.6 MB. Free memory was 317.2 MB in the beginning and 271.0 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:19,776 INFO L168 Benchmark]: TraceAbstraction took 60591.74 ms. Allocated memory was 358.6 MB in the beginning and 604.5 MB in the end (delta: 245.9 MB). Free memory was 271.0 MB in the beginning and 285.6 MB in the end (delta: -14.7 MB). Peak memory consumption was 231.2 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:19,779 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 249.0 MB. Free memory is still 222.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1427.44 ms. Allocated memory was 249.0 MB in the beginning and 358.6 MB in the end (delta: 109.6 MB). Free memory was 198.9 MB in the beginning and 324.4 MB in the end (delta: -125.5 MB). Peak memory consumption was 107.0 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 108.38 ms. Allocated memory is still 358.6 MB. Free memory was 324.4 MB in the beginning and 320.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 68.07 ms. Allocated memory is still 358.6 MB. Free memory was 320.8 MB in the beginning and 317.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.2 GB. * RCFGBuilder took 698.31 ms. Allocated memory is still 358.6 MB. Free memory was 317.2 MB in the beginning and 271.0 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 60591.74 ms. Allocated memory was 358.6 MB in the beginning and 604.5 MB in the end (delta: 245.9 MB). Free memory was 271.0 MB in the beginning and 285.6 MB in the end (delta: -14.7 MB). Peak memory consumption was 231.2 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1149 VarBasedMoverChecksPositive, 51 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 32 SemBasedMoverChecksNegative, 17 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 38.4s, 37 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 44.2s, 120 PlacesBefore, 31 PlacesAfterwards, 120 TransitionsBefore, 28 TransitionsAfterwards, 1848 CoEnabledTransitionPairs, 6 FixpointIterations, 59 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 3 ChoiceCompositions, 118 TotalNumberOfCompositions, 3328 MoverChecksTotal - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; [L1725] 0 return 0; [L1731] 0 int ret = my_drv_init(); [L1732] COND TRUE 0 ret==0 [L1733] 0 int probe_ret; [L1734] 0 struct my_data data; [L1704] 0 struct device *d = &data->dev; [L1706] 0 data->shared.a = 0 [L1707] 0 data->shared.b = 0 [L1708] 0 int res = __VERIFIER_nondet_int(); [L1709] COND FALSE 0 !(\read(res)) [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, t1={7:0}, t2={5:0}] [L1696] 1 struct device *dev = (struct device*)arg; [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={7:0}, t2={5:0}] [L1700] 1 data->shared.b VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1696] 2 struct device *dev = (struct device*)arg; [L1697] 2 struct my_data *data; [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 2 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1700] EXPR 2 data->shared.b VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1713] 0 return 0; [L1735] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1736] COND TRUE 0 probe_ret==0 [L1719] 0 void *status; [L1720] 0 \read(t1) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1700] 2 data->shared.b = data->shared.b + 1 [L1701] 2 return 0; [L1700] 1 data->shared.b = data->shared.b + 1 [L1701] 1 return 0; [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={7:0}, t2={5:0}] [L1721] 0 \read(t2) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={7:0}, t2={5:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={7:0}, t2={5:0}] [L1738] 0 data.shared.a [L1739] 0 data.shared.b [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={7:0}, t2={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 60.4s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 44.3s, HoareTripleCheckerStatistics: 124 SDtfs, 213 SDslu, 77 SDs, 0 SdLazy, 3586 SolverSat, 216 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2465occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 57973 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...