/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/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 18:28:03,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 18:28:03,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 18:28:03,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 18:28:03,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 18:28:03,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 18:28:03,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 18:28:03,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 18:28:03,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 18:28:03,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 18:28:03,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 18:28:03,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 18:28:03,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 18:28:03,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 18:28:03,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 18:28:03,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 18:28:03,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 18:28:03,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 18:28:03,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 18:28:03,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 18:28:03,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 18:28:03,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 18:28:03,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 18:28:03,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 18:28:03,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 18:28:03,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 18:28:03,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 18:28:03,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 18:28:03,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 18:28:03,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 18:28:03,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 18:28:03,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 18:28:03,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 18:28:03,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 18:28:03,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 18:28:03,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 18:28:03,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 18:28:03,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 18:28:03,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 18:28:03,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 18:28:03,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 18:28:03,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 18:28:03,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 18:28:03,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 18:28:03,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 18:28:03,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 18:28:03,746 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 18:28:03,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 18:28:03,746 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 18:28:03,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 18:28:03,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 18:28:03,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 18:28:03,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 18:28:03,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 18:28:03,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 18:28:03,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 18:28:03,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 18:28:03,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 18:28:03,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 18:28:03,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 18:28:03,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 18:28:03,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 18:28:03,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 18:28:03,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:28:03,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 18:28:03,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 18:28:03,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 18:28:03,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 18:28:03,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 18:28:03,753 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 18:28:03,753 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 18:28:03,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 18:28:04,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 18:28:04,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 18:28:04,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 18:28:04,097 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 18:28:04,098 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 18:28:04,098 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.oepc.i [2020-10-11 18:28:04,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b623590d/9f6f78443d584a8cb421382e93c71570/FLAG388e5edae [2020-10-11 18:28:04,698 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 18:28:04,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_rmo.oepc.i [2020-10-11 18:28:04,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b623590d/9f6f78443d584a8cb421382e93c71570/FLAG388e5edae [2020-10-11 18:28:05,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b623590d/9f6f78443d584a8cb421382e93c71570 [2020-10-11 18:28:05,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 18:28:05,027 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 18:28:05,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 18:28:05,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 18:28:05,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 18:28:05,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd6b84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05, skipping insertion in model container [2020-10-11 18:28:05,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 18:28:05,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 18:28:05,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:28:05,685 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 18:28:05,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:28:05,843 INFO L208 MainTranslator]: Completed translation [2020-10-11 18:28:05,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05 WrapperNode [2020-10-11 18:28:05,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 18:28:05,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 18:28:05,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 18:28:05,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 18:28:05,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 18:28:05,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 18:28:05,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 18:28:05,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 18:28:05,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (1/1) ... [2020-10-11 18:28:05,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 18:28:05,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 18:28:05,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 18:28:05,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 18:28:05,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:28:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 18:28:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 18:28:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 18:28:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 18:28:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 18:28:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 18:28:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 18:28:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 18:28:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 18:28:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 18:28:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 18:28:06,071 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 18:28:09,499 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 18:28:09,500 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-11 18:28:09,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:28:09 BoogieIcfgContainer [2020-10-11 18:28:09,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 18:28:09,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 18:28:09,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 18:28:09,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 18:28:09,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:28:05" (1/3) ... [2020-10-11 18:28:09,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544d3fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:28:09, skipping insertion in model container [2020-10-11 18:28:09,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:05" (2/3) ... [2020-10-11 18:28:09,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544d3fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:28:09, skipping insertion in model container [2020-10-11 18:28:09,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:28:09" (3/3) ... [2020-10-11 18:28:09,511 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_rmo.oepc.i [2020-10-11 18:28:09,524 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 18:28:09,533 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 18:28:09,534 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 18:28:09,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,572 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,572 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,584 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,584 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,584 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,584 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,584 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,584 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,585 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,585 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,586 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,586 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,587 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,587 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,653 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,655 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,659 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,659 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,659 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,659 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,661 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,663 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,663 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,663 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,663 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,664 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,664 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,664 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,664 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,665 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,665 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,665 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,665 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,665 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,665 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,666 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,669 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:09,686 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 18:28:09,709 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 18:28:09,710 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 18:28:09,710 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 18:28:09,710 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 18:28:09,710 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 18:28:09,710 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 18:28:09,710 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 18:28:09,710 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 18:28:09,735 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 170 flow [2020-10-11 18:28:09,799 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2020-10-11 18:28:09,800 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:28:09,806 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2020-10-11 18:28:09,806 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 80 transitions, 170 flow [2020-10-11 18:28:09,818 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 78 transitions, 162 flow [2020-10-11 18:28:09,842 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2020-10-11 18:28:09,842 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:28:09,842 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:09,844 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:09,844 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:09,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:09,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1722193573, now seen corresponding path program 1 times [2020-10-11 18:28:09,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:09,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309494609] [2020-10-11 18:28:09,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:10,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309494609] [2020-10-11 18:28:10,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:10,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 18:28:10,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463789066] [2020-10-11 18:28:10,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 18:28:10,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:10,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 18:28:10,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 18:28:10,410 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 80 [2020-10-11 18:28:10,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 78 transitions, 162 flow. Second operand 3 states. [2020-10-11 18:28:10,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:10,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 80 [2020-10-11 18:28:10,414 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:10,441 INFO L129 PetriNetUnfolder]: 0/75 cut-off events. [2020-10-11 18:28:10,441 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:28:10,442 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 75 events. 0/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 4/77 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-11 18:28:10,443 INFO L132 encePairwiseOnDemand]: 75/80 looper letters, 0 selfloop transitions, 2 changer transitions 9/75 dead transitions. [2020-10-11 18:28:10,443 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 75 transitions, 160 flow [2020-10-11 18:28:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 18:28:10,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 18:28:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2020-10-11 18:28:10,460 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9666666666666667 [2020-10-11 18:28:10,461 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 232 transitions. [2020-10-11 18:28:10,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 232 transitions. [2020-10-11 18:28:10,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:10,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 232 transitions. [2020-10-11 18:28:10,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 18:28:10,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 18:28:10,479 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 18:28:10,481 INFO L185 Difference]: Start difference. First operand has 83 places, 78 transitions, 162 flow. Second operand 3 states and 232 transitions. [2020-10-11 18:28:10,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 75 transitions, 160 flow [2020-10-11 18:28:10,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 75 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:28:10,491 INFO L241 Difference]: Finished difference. Result has 82 places, 66 transitions, 140 flow [2020-10-11 18:28:10,494 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=82, PETRI_TRANSITIONS=66} [2020-10-11 18:28:10,495 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, -1 predicate places. [2020-10-11 18:28:10,495 INFO L481 AbstractCegarLoop]: Abstraction has has 82 places, 66 transitions, 140 flow [2020-10-11 18:28:10,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 18:28:10,495 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:10,495 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:10,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 18:28:10,496 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:10,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:10,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1793725615, now seen corresponding path program 1 times [2020-10-11 18:28:10,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:10,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155428516] [2020-10-11 18:28:10,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:10,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155428516] [2020-10-11 18:28:10,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:10,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:28:10,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544697620] [2020-10-11 18:28:10,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:28:10,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:10,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:28:10,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:28:10,926 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 80 [2020-10-11 18:28:10,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 66 transitions, 140 flow. Second operand 6 states. [2020-10-11 18:28:10,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:10,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 80 [2020-10-11 18:28:10,927 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:11,119 INFO L129 PetriNetUnfolder]: 3/89 cut-off events. [2020-10-11 18:28:11,120 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:28:11,122 INFO L80 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 89 events. 3/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs, 0 based on Foata normal form. 2/91 useless extension candidates. Maximal degree in co-relation 80. Up to 7 conditions per place. [2020-10-11 18:28:11,124 INFO L132 encePairwiseOnDemand]: 74/80 looper letters, 6 selfloop transitions, 2 changer transitions 10/76 dead transitions. [2020-10-11 18:28:11,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 76 transitions, 196 flow [2020-10-11 18:28:11,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:28:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:28:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 650 transitions. [2020-10-11 18:28:11,134 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9027777777777778 [2020-10-11 18:28:11,135 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 650 transitions. [2020-10-11 18:28:11,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 650 transitions. [2020-10-11 18:28:11,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:11,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 650 transitions. [2020-10-11 18:28:11,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:28:11,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:28:11,149 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:28:11,150 INFO L185 Difference]: Start difference. First operand has 82 places, 66 transitions, 140 flow. Second operand 9 states and 650 transitions. [2020-10-11 18:28:11,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 76 transitions, 196 flow [2020-10-11 18:28:11,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 76 transitions, 192 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:28:11,159 INFO L241 Difference]: Finished difference. Result has 86 places, 66 transitions, 156 flow [2020-10-11 18:28:11,159 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=156, PETRI_PLACES=86, PETRI_TRANSITIONS=66} [2020-10-11 18:28:11,160 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 3 predicate places. [2020-10-11 18:28:11,160 INFO L481 AbstractCegarLoop]: Abstraction has has 86 places, 66 transitions, 156 flow [2020-10-11 18:28:11,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:28:11,160 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:11,161 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:11,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 18:28:11,161 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:11,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:11,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1104706575, now seen corresponding path program 1 times [2020-10-11 18:28:11,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:11,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57541327] [2020-10-11 18:28:11,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:11,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57541327] [2020-10-11 18:28:11,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:11,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-11 18:28:11,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841015437] [2020-10-11 18:28:11,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-11 18:28:11,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:11,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-11 18:28:11,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-11 18:28:13,294 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 80 [2020-10-11 18:28:13,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 66 transitions, 156 flow. Second operand 11 states. [2020-10-11 18:28:13,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:13,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 80 [2020-10-11 18:28:13,296 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:13,726 INFO L129 PetriNetUnfolder]: 41/178 cut-off events. [2020-10-11 18:28:13,726 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2020-10-11 18:28:13,730 INFO L80 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 178 events. 41/178 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 523 event pairs, 14 based on Foata normal form. 5/180 useless extension candidates. Maximal degree in co-relation 314. Up to 50 conditions per place. [2020-10-11 18:28:13,733 INFO L132 encePairwiseOnDemand]: 68/80 looper letters, 14 selfloop transitions, 9 changer transitions 24/96 dead transitions. [2020-10-11 18:28:13,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 96 transitions, 340 flow [2020-10-11 18:28:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-11 18:28:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-11 18:28:13,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1010 transitions. [2020-10-11 18:28:13,740 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7890625 [2020-10-11 18:28:13,740 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1010 transitions. [2020-10-11 18:28:13,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1010 transitions. [2020-10-11 18:28:13,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:13,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1010 transitions. [2020-10-11 18:28:13,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-11 18:28:13,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 17 states. [2020-10-11 18:28:13,747 INFO L81 ComplementDD]: Finished complementDD. Result 17 states. [2020-10-11 18:28:13,747 INFO L185 Difference]: Start difference. First operand has 86 places, 66 transitions, 156 flow. Second operand 16 states and 1010 transitions. [2020-10-11 18:28:13,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 96 transitions, 340 flow [2020-10-11 18:28:13,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 96 transitions, 300 flow, removed 18 selfloop flow, removed 8 redundant places. [2020-10-11 18:28:13,756 INFO L241 Difference]: Finished difference. Result has 99 places, 69 transitions, 204 flow [2020-10-11 18:28:13,756 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=204, PETRI_PLACES=99, PETRI_TRANSITIONS=69} [2020-10-11 18:28:13,756 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 16 predicate places. [2020-10-11 18:28:13,756 INFO L481 AbstractCegarLoop]: Abstraction has has 99 places, 69 transitions, 204 flow [2020-10-11 18:28:13,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-11 18:28:13,757 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:13,757 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:13,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 18:28:13,757 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:13,758 INFO L82 PathProgramCache]: Analyzing trace with hash -147070128, now seen corresponding path program 1 times [2020-10-11 18:28:13,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:13,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92311780] [2020-10-11 18:28:13,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:14,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92311780] [2020-10-11 18:28:14,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:14,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:28:14,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425817018] [2020-10-11 18:28:14,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:28:14,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:14,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:28:14,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:28:16,233 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 80 [2020-10-11 18:28:16,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 69 transitions, 204 flow. Second operand 12 states. [2020-10-11 18:28:16,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:16,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 80 [2020-10-11 18:28:16,235 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:16,830 INFO L129 PetriNetUnfolder]: 115/341 cut-off events. [2020-10-11 18:28:16,830 INFO L130 PetriNetUnfolder]: For 283/365 co-relation queries the response was YES. [2020-10-11 18:28:16,835 INFO L80 FinitePrefix]: Finished finitePrefix Result has 811 conditions, 341 events. 115/341 cut-off events. For 283/365 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1440 event pairs, 25 based on Foata normal form. 10/339 useless extension candidates. Maximal degree in co-relation 750. Up to 146 conditions per place. [2020-10-11 18:28:16,840 INFO L132 encePairwiseOnDemand]: 68/80 looper letters, 24 selfloop transitions, 10 changer transitions 19/100 dead transitions. [2020-10-11 18:28:16,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 100 transitions, 418 flow [2020-10-11 18:28:16,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 18:28:16,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 18:28:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 807 transitions. [2020-10-11 18:28:16,844 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7759615384615385 [2020-10-11 18:28:16,844 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 807 transitions. [2020-10-11 18:28:16,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 807 transitions. [2020-10-11 18:28:16,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:16,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 807 transitions. [2020-10-11 18:28:16,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 18:28:16,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 18:28:16,850 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 18:28:16,850 INFO L185 Difference]: Start difference. First operand has 99 places, 69 transitions, 204 flow. Second operand 13 states and 807 transitions. [2020-10-11 18:28:16,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 100 transitions, 418 flow [2020-10-11 18:28:16,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 100 transitions, 364 flow, removed 21 selfloop flow, removed 13 redundant places. [2020-10-11 18:28:16,860 INFO L241 Difference]: Finished difference. Result has 97 places, 73 transitions, 242 flow [2020-10-11 18:28:16,860 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=242, PETRI_PLACES=97, PETRI_TRANSITIONS=73} [2020-10-11 18:28:16,861 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 14 predicate places. [2020-10-11 18:28:16,861 INFO L481 AbstractCegarLoop]: Abstraction has has 97 places, 73 transitions, 242 flow [2020-10-11 18:28:16,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:28:16,861 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:16,861 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:16,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 18:28:16,862 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:16,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:16,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1602606522, now seen corresponding path program 2 times [2020-10-11 18:28:16,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:16,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444810972] [2020-10-11 18:28:16,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:17,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444810972] [2020-10-11 18:28:17,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:17,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-11 18:28:17,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816761628] [2020-10-11 18:28:17,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-11 18:28:17,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:17,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-11 18:28:17,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2020-10-11 18:28:20,474 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 80 [2020-10-11 18:28:20,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 73 transitions, 242 flow. Second operand 15 states. [2020-10-11 18:28:20,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:20,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 80 [2020-10-11 18:28:20,476 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:21,077 INFO L129 PetriNetUnfolder]: 126/369 cut-off events. [2020-10-11 18:28:21,077 INFO L130 PetriNetUnfolder]: For 668/872 co-relation queries the response was YES. [2020-10-11 18:28:21,080 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 369 events. 126/369 cut-off events. For 668/872 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1627 event pairs, 22 based on Foata normal form. 17/374 useless extension candidates. Maximal degree in co-relation 972. Up to 156 conditions per place. [2020-10-11 18:28:21,083 INFO L132 encePairwiseOnDemand]: 65/80 looper letters, 25 selfloop transitions, 15 changer transitions 22/106 dead transitions. [2020-10-11 18:28:21,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 106 transitions, 532 flow [2020-10-11 18:28:21,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-11 18:28:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-11 18:28:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 883 transitions. [2020-10-11 18:28:21,087 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7358333333333333 [2020-10-11 18:28:21,088 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 883 transitions. [2020-10-11 18:28:21,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 883 transitions. [2020-10-11 18:28:21,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:21,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 883 transitions. [2020-10-11 18:28:21,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-11 18:28:21,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-11 18:28:21,094 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-11 18:28:21,094 INFO L185 Difference]: Start difference. First operand has 97 places, 73 transitions, 242 flow. Second operand 15 states and 883 transitions. [2020-10-11 18:28:21,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 106 transitions, 532 flow [2020-10-11 18:28:21,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 106 transitions, 508 flow, removed 7 selfloop flow, removed 6 redundant places. [2020-10-11 18:28:21,103 INFO L241 Difference]: Finished difference. Result has 106 places, 79 transitions, 331 flow [2020-10-11 18:28:21,103 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=331, PETRI_PLACES=106, PETRI_TRANSITIONS=79} [2020-10-11 18:28:21,104 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 23 predicate places. [2020-10-11 18:28:21,104 INFO L481 AbstractCegarLoop]: Abstraction has has 106 places, 79 transitions, 331 flow [2020-10-11 18:28:21,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-11 18:28:21,104 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:21,105 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:21,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 18:28:21,105 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:21,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:21,105 INFO L82 PathProgramCache]: Analyzing trace with hash 853395164, now seen corresponding path program 3 times [2020-10-11 18:28:21,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:21,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20590338] [2020-10-11 18:28:21,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:21,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20590338] [2020-10-11 18:28:21,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:21,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:28:21,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536646924] [2020-10-11 18:28:21,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:28:21,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:21,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:28:21,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:28:23,036 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 80 [2020-10-11 18:28:23,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 79 transitions, 331 flow. Second operand 12 states. [2020-10-11 18:28:23,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:23,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 80 [2020-10-11 18:28:23,038 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:23,578 INFO L129 PetriNetUnfolder]: 150/434 cut-off events. [2020-10-11 18:28:23,578 INFO L130 PetriNetUnfolder]: For 2187/2425 co-relation queries the response was YES. [2020-10-11 18:28:23,581 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1666 conditions, 434 events. 150/434 cut-off events. For 2187/2425 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2101 event pairs, 18 based on Foata normal form. 15/437 useless extension candidates. Maximal degree in co-relation 1599. Up to 181 conditions per place. [2020-10-11 18:28:23,587 INFO L132 encePairwiseOnDemand]: 68/80 looper letters, 30 selfloop transitions, 17 changer transitions 19/113 dead transitions. [2020-10-11 18:28:23,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 113 transitions, 760 flow [2020-10-11 18:28:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 18:28:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 18:28:23,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 820 transitions. [2020-10-11 18:28:23,592 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7884615384615384 [2020-10-11 18:28:23,592 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 820 transitions. [2020-10-11 18:28:23,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 820 transitions. [2020-10-11 18:28:23,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:23,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 820 transitions. [2020-10-11 18:28:23,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 18:28:23,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 18:28:23,597 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 18:28:23,598 INFO L185 Difference]: Start difference. First operand has 106 places, 79 transitions, 331 flow. Second operand 13 states and 820 transitions. [2020-10-11 18:28:23,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 113 transitions, 760 flow [2020-10-11 18:28:23,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 113 transitions, 711 flow, removed 15 selfloop flow, removed 8 redundant places. [2020-10-11 18:28:23,611 INFO L241 Difference]: Finished difference. Result has 112 places, 85 transitions, 438 flow [2020-10-11 18:28:23,611 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=438, PETRI_PLACES=112, PETRI_TRANSITIONS=85} [2020-10-11 18:28:23,612 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 29 predicate places. [2020-10-11 18:28:23,612 INFO L481 AbstractCegarLoop]: Abstraction has has 112 places, 85 transitions, 438 flow [2020-10-11 18:28:23,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:28:23,612 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:23,612 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:23,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 18:28:23,613 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:23,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:23,614 INFO L82 PathProgramCache]: Analyzing trace with hash -647349680, now seen corresponding path program 4 times [2020-10-11 18:28:23,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:23,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737454276] [2020-10-11 18:28:23,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:24,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737454276] [2020-10-11 18:28:24,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:24,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-11 18:28:24,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821990604] [2020-10-11 18:28:24,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-11 18:28:24,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:24,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-11 18:28:24,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-10-11 18:28:27,711 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 80 [2020-10-11 18:28:27,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 85 transitions, 438 flow. Second operand 15 states. [2020-10-11 18:28:27,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:27,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 80 [2020-10-11 18:28:27,712 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:28,848 INFO L129 PetriNetUnfolder]: 167/478 cut-off events. [2020-10-11 18:28:28,848 INFO L130 PetriNetUnfolder]: For 3154/3465 co-relation queries the response was YES. [2020-10-11 18:28:28,851 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2087 conditions, 478 events. 167/478 cut-off events. For 3154/3465 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2461 event pairs, 28 based on Foata normal form. 33/500 useless extension candidates. Maximal degree in co-relation 2017. Up to 171 conditions per place. [2020-10-11 18:28:28,854 INFO L132 encePairwiseOnDemand]: 67/80 looper letters, 31 selfloop transitions, 21 changer transitions 33/130 dead transitions. [2020-10-11 18:28:28,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 130 transitions, 1057 flow [2020-10-11 18:28:28,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-11 18:28:28,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-11 18:28:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1138 transitions. [2020-10-11 18:28:28,860 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7486842105263158 [2020-10-11 18:28:28,860 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1138 transitions. [2020-10-11 18:28:28,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1138 transitions. [2020-10-11 18:28:28,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:28,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1138 transitions. [2020-10-11 18:28:28,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 20 states. [2020-10-11 18:28:28,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 20 states. [2020-10-11 18:28:28,866 INFO L81 ComplementDD]: Finished complementDD. Result 20 states. [2020-10-11 18:28:28,867 INFO L185 Difference]: Start difference. First operand has 112 places, 85 transitions, 438 flow. Second operand 19 states and 1138 transitions. [2020-10-11 18:28:28,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 130 transitions, 1057 flow [2020-10-11 18:28:28,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 130 transitions, 914 flow, removed 69 selfloop flow, removed 12 redundant places. [2020-10-11 18:28:28,879 INFO L241 Difference]: Finished difference. Result has 123 places, 87 transitions, 494 flow [2020-10-11 18:28:28,880 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=494, PETRI_PLACES=123, PETRI_TRANSITIONS=87} [2020-10-11 18:28:28,881 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 40 predicate places. [2020-10-11 18:28:28,881 INFO L481 AbstractCegarLoop]: Abstraction has has 123 places, 87 transitions, 494 flow [2020-10-11 18:28:28,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-11 18:28:28,881 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:28,881 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:28,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 18:28:28,882 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:28,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:28,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1550068067, now seen corresponding path program 1 times [2020-10-11 18:28:28,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:28,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491464802] [2020-10-11 18:28:28,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:29,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491464802] [2020-10-11 18:28:29,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:29,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-11 18:28:29,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450825029] [2020-10-11 18:28:29,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 18:28:29,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:29,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 18:28:29,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-11 18:28:29,866 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 80 [2020-10-11 18:28:29,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 87 transitions, 494 flow. Second operand 9 states. [2020-10-11 18:28:29,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:29,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 80 [2020-10-11 18:28:29,867 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:30,288 INFO L129 PetriNetUnfolder]: 133/452 cut-off events. [2020-10-11 18:28:30,288 INFO L130 PetriNetUnfolder]: For 2456/2724 co-relation queries the response was YES. [2020-10-11 18:28:30,292 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1857 conditions, 452 events. 133/452 cut-off events. For 2456/2724 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2572 event pairs, 36 based on Foata normal form. 30/470 useless extension candidates. Maximal degree in co-relation 1781. Up to 137 conditions per place. [2020-10-11 18:28:30,296 INFO L132 encePairwiseOnDemand]: 70/80 looper letters, 26 selfloop transitions, 9 changer transitions 24/108 dead transitions. [2020-10-11 18:28:30,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 108 transitions, 814 flow [2020-10-11 18:28:30,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 18:28:30,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-11 18:28:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 519 transitions. [2020-10-11 18:28:30,300 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8109375 [2020-10-11 18:28:30,301 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 519 transitions. [2020-10-11 18:28:30,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 519 transitions. [2020-10-11 18:28:30,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:30,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 519 transitions. [2020-10-11 18:28:30,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-11 18:28:30,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-11 18:28:30,307 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-11 18:28:30,308 INFO L185 Difference]: Start difference. First operand has 123 places, 87 transitions, 494 flow. Second operand 8 states and 519 transitions. [2020-10-11 18:28:30,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 108 transitions, 814 flow [2020-10-11 18:28:30,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 108 transitions, 770 flow, removed 15 selfloop flow, removed 12 redundant places. [2020-10-11 18:28:30,321 INFO L241 Difference]: Finished difference. Result has 114 places, 82 transitions, 444 flow [2020-10-11 18:28:30,322 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=444, PETRI_PLACES=114, PETRI_TRANSITIONS=82} [2020-10-11 18:28:30,323 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 31 predicate places. [2020-10-11 18:28:30,323 INFO L481 AbstractCegarLoop]: Abstraction has has 114 places, 82 transitions, 444 flow [2020-10-11 18:28:30,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 18:28:30,323 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:30,324 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:30,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 18:28:30,324 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:30,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:30,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1588592865, now seen corresponding path program 2 times [2020-10-11 18:28:30,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:30,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885035015] [2020-10-11 18:28:30,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:30,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885035015] [2020-10-11 18:28:30,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:30,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:28:30,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252009708] [2020-10-11 18:28:30,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:28:30,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:30,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:28:30,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:28:33,758 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 80 [2020-10-11 18:28:33,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 82 transitions, 444 flow. Second operand 12 states. [2020-10-11 18:28:33,760 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:33,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 80 [2020-10-11 18:28:33,760 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:34,601 INFO L129 PetriNetUnfolder]: 55/274 cut-off events. [2020-10-11 18:28:34,601 INFO L130 PetriNetUnfolder]: For 1701/1781 co-relation queries the response was YES. [2020-10-11 18:28:34,603 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1061 conditions, 274 events. 55/274 cut-off events. For 1701/1781 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1230 event pairs, 7 based on Foata normal form. 7/273 useless extension candidates. Maximal degree in co-relation 1018. Up to 76 conditions per place. [2020-10-11 18:28:34,605 INFO L132 encePairwiseOnDemand]: 70/80 looper letters, 23 selfloop transitions, 13 changer transitions 17/102 dead transitions. [2020-10-11 18:28:34,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 102 transitions, 732 flow [2020-10-11 18:28:34,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 18:28:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 18:28:34,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 785 transitions. [2020-10-11 18:28:34,610 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7548076923076923 [2020-10-11 18:28:34,610 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 785 transitions. [2020-10-11 18:28:34,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 785 transitions. [2020-10-11 18:28:34,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:34,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 785 transitions. [2020-10-11 18:28:34,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 18:28:34,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 18:28:34,617 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 18:28:34,617 INFO L185 Difference]: Start difference. First operand has 114 places, 82 transitions, 444 flow. Second operand 13 states and 785 transitions. [2020-10-11 18:28:34,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 102 transitions, 732 flow [2020-10-11 18:28:34,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 102 transitions, 686 flow, removed 16 selfloop flow, removed 7 redundant places. [2020-10-11 18:28:34,625 INFO L241 Difference]: Finished difference. Result has 122 places, 82 transitions, 462 flow [2020-10-11 18:28:34,625 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=462, PETRI_PLACES=122, PETRI_TRANSITIONS=82} [2020-10-11 18:28:34,625 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 39 predicate places. [2020-10-11 18:28:34,625 INFO L481 AbstractCegarLoop]: Abstraction has has 122 places, 82 transitions, 462 flow [2020-10-11 18:28:34,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:28:34,626 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:34,626 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:34,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 18:28:34,626 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:34,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:34,626 INFO L82 PathProgramCache]: Analyzing trace with hash -328854475, now seen corresponding path program 1 times [2020-10-11 18:28:34,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:34,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554023565] [2020-10-11 18:28:34,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:35,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:35,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554023565] [2020-10-11 18:28:35,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:35,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-11 18:28:35,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773670010] [2020-10-11 18:28:35,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-11 18:28:35,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:35,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-11 18:28:35,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-10-11 18:28:38,726 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 80 [2020-10-11 18:28:38,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 82 transitions, 462 flow. Second operand 17 states. [2020-10-11 18:28:38,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:38,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 80 [2020-10-11 18:28:38,728 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:39,352 INFO L129 PetriNetUnfolder]: 64/298 cut-off events. [2020-10-11 18:28:39,353 INFO L130 PetriNetUnfolder]: For 1967/2222 co-relation queries the response was YES. [2020-10-11 18:28:39,354 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1202 conditions, 298 events. 64/298 cut-off events. For 1967/2222 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1560 event pairs, 15 based on Foata normal form. 27/316 useless extension candidates. Maximal degree in co-relation 1155. Up to 103 conditions per place. [2020-10-11 18:28:39,356 INFO L132 encePairwiseOnDemand]: 62/80 looper letters, 29 selfloop transitions, 18 changer transitions 13/103 dead transitions. [2020-10-11 18:28:39,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 103 transitions, 775 flow [2020-10-11 18:28:39,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-11 18:28:39,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-11 18:28:39,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 858 transitions. [2020-10-11 18:28:39,362 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.715 [2020-10-11 18:28:39,362 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 858 transitions. [2020-10-11 18:28:39,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 858 transitions. [2020-10-11 18:28:39,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:39,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 858 transitions. [2020-10-11 18:28:39,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-11 18:28:39,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-11 18:28:39,367 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-11 18:28:39,367 INFO L185 Difference]: Start difference. First operand has 122 places, 82 transitions, 462 flow. Second operand 15 states and 858 transitions. [2020-10-11 18:28:39,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 103 transitions, 775 flow [2020-10-11 18:28:39,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 103 transitions, 697 flow, removed 23 selfloop flow, removed 15 redundant places. [2020-10-11 18:28:39,375 INFO L241 Difference]: Finished difference. Result has 121 places, 88 transitions, 517 flow [2020-10-11 18:28:39,376 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=517, PETRI_PLACES=121, PETRI_TRANSITIONS=88} [2020-10-11 18:28:39,377 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 38 predicate places. [2020-10-11 18:28:39,377 INFO L481 AbstractCegarLoop]: Abstraction has has 121 places, 88 transitions, 517 flow [2020-10-11 18:28:39,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-11 18:28:39,377 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:39,377 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:39,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 18:28:39,378 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:39,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:39,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1166563937, now seen corresponding path program 2 times [2020-10-11 18:28:39,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:39,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703635514] [2020-10-11 18:28:39,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:39,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703635514] [2020-10-11 18:28:39,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:39,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-11 18:28:39,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744543430] [2020-10-11 18:28:39,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-11 18:28:39,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:39,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-11 18:28:39,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-11 18:28:41,568 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 80 [2020-10-11 18:28:41,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 88 transitions, 517 flow. Second operand 15 states. [2020-10-11 18:28:41,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:41,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 80 [2020-10-11 18:28:41,570 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:42,171 INFO L129 PetriNetUnfolder]: 57/275 cut-off events. [2020-10-11 18:28:42,171 INFO L130 PetriNetUnfolder]: For 1924/2285 co-relation queries the response was YES. [2020-10-11 18:28:42,172 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1139 conditions, 275 events. 57/275 cut-off events. For 1924/2285 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1306 event pairs, 15 based on Foata normal form. 37/303 useless extension candidates. Maximal degree in co-relation 1098. Up to 101 conditions per place. [2020-10-11 18:28:42,174 INFO L132 encePairwiseOnDemand]: 63/80 looper letters, 31 selfloop transitions, 21 changer transitions 14/110 dead transitions. [2020-10-11 18:28:42,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 110 transitions, 877 flow [2020-10-11 18:28:42,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-11 18:28:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-11 18:28:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 876 transitions. [2020-10-11 18:28:42,181 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.73 [2020-10-11 18:28:42,181 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 876 transitions. [2020-10-11 18:28:42,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 876 transitions. [2020-10-11 18:28:42,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:42,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 876 transitions. [2020-10-11 18:28:42,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-11 18:28:42,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-11 18:28:42,189 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-11 18:28:42,189 INFO L185 Difference]: Start difference. First operand has 121 places, 88 transitions, 517 flow. Second operand 15 states and 876 transitions. [2020-10-11 18:28:42,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 110 transitions, 877 flow [2020-10-11 18:28:42,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 110 transitions, 812 flow, removed 18 selfloop flow, removed 12 redundant places. [2020-10-11 18:28:42,198 INFO L241 Difference]: Finished difference. Result has 126 places, 93 transitions, 592 flow [2020-10-11 18:28:42,198 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=592, PETRI_PLACES=126, PETRI_TRANSITIONS=93} [2020-10-11 18:28:42,199 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 43 predicate places. [2020-10-11 18:28:42,199 INFO L481 AbstractCegarLoop]: Abstraction has has 126 places, 93 transitions, 592 flow [2020-10-11 18:28:42,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-11 18:28:42,199 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:42,199 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:42,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 18:28:42,200 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:42,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:42,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1172915527, now seen corresponding path program 3 times [2020-10-11 18:28:42,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:42,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845889398] [2020-10-11 18:28:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:42,760 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-10-11 18:28:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:43,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845889398] [2020-10-11 18:28:43,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:43,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-11 18:28:43,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524613057] [2020-10-11 18:28:43,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-11 18:28:43,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:43,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-11 18:28:43,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2020-10-11 18:28:47,738 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 80 [2020-10-11 18:28:47,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 93 transitions, 592 flow. Second operand 16 states. [2020-10-11 18:28:47,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:47,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 80 [2020-10-11 18:28:47,739 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:48,411 INFO L129 PetriNetUnfolder]: 64/309 cut-off events. [2020-10-11 18:28:48,411 INFO L130 PetriNetUnfolder]: For 2388/2669 co-relation queries the response was YES. [2020-10-11 18:28:48,413 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 309 events. 64/309 cut-off events. For 2388/2669 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1689 event pairs, 8 based on Foata normal form. 37/340 useless extension candidates. Maximal degree in co-relation 1257. Up to 86 conditions per place. [2020-10-11 18:28:48,414 INFO L132 encePairwiseOnDemand]: 65/80 looper letters, 31 selfloop transitions, 19 changer transitions 20/115 dead transitions. [2020-10-11 18:28:48,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 115 transitions, 943 flow [2020-10-11 18:28:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 18:28:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 18:28:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 779 transitions. [2020-10-11 18:28:48,418 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7490384615384615 [2020-10-11 18:28:48,418 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 779 transitions. [2020-10-11 18:28:48,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 779 transitions. [2020-10-11 18:28:48,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:48,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 779 transitions. [2020-10-11 18:28:48,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 18:28:48,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 18:28:48,421 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 18:28:48,421 INFO L185 Difference]: Start difference. First operand has 126 places, 93 transitions, 592 flow. Second operand 13 states and 779 transitions. [2020-10-11 18:28:48,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 115 transitions, 943 flow [2020-10-11 18:28:48,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 115 transitions, 861 flow, removed 20 selfloop flow, removed 13 redundant places. [2020-10-11 18:28:48,432 INFO L241 Difference]: Finished difference. Result has 125 places, 92 transitions, 563 flow [2020-10-11 18:28:48,433 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=563, PETRI_PLACES=125, PETRI_TRANSITIONS=92} [2020-10-11 18:28:48,433 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 42 predicate places. [2020-10-11 18:28:48,433 INFO L481 AbstractCegarLoop]: Abstraction has has 125 places, 92 transitions, 563 flow [2020-10-11 18:28:48,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-11 18:28:48,433 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:48,434 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:48,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-11 18:28:48,434 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:48,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:48,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1202154343, now seen corresponding path program 4 times [2020-10-11 18:28:48,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:48,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93640197] [2020-10-11 18:28:48,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:48,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93640197] [2020-10-11 18:28:48,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:48,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-11 18:28:48,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022492100] [2020-10-11 18:28:48,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-11 18:28:48,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:48,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-11 18:28:48,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-10-11 18:28:51,085 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 80 [2020-10-11 18:28:51,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 92 transitions, 563 flow. Second operand 13 states. [2020-10-11 18:28:51,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:51,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 80 [2020-10-11 18:28:51,086 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:51,425 INFO L129 PetriNetUnfolder]: 48/268 cut-off events. [2020-10-11 18:28:51,426 INFO L130 PetriNetUnfolder]: For 2068/2400 co-relation queries the response was YES. [2020-10-11 18:28:51,427 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 268 events. 48/268 cut-off events. For 2068/2400 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1329 event pairs, 10 based on Foata normal form. 41/304 useless extension candidates. Maximal degree in co-relation 1070. Up to 73 conditions per place. [2020-10-11 18:28:51,428 INFO L132 encePairwiseOnDemand]: 68/80 looper letters, 29 selfloop transitions, 13 changer transitions 24/111 dead transitions. [2020-10-11 18:28:51,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 111 transitions, 893 flow [2020-10-11 18:28:51,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 18:28:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-11 18:28:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 719 transitions. [2020-10-11 18:28:51,431 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7489583333333333 [2020-10-11 18:28:51,432 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 719 transitions. [2020-10-11 18:28:51,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 719 transitions. [2020-10-11 18:28:51,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:51,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 719 transitions. [2020-10-11 18:28:51,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-11 18:28:51,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-11 18:28:51,435 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-11 18:28:51,435 INFO L185 Difference]: Start difference. First operand has 125 places, 92 transitions, 563 flow. Second operand 12 states and 719 transitions. [2020-10-11 18:28:51,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 111 transitions, 893 flow [2020-10-11 18:28:51,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 111 transitions, 831 flow, removed 18 selfloop flow, removed 11 redundant places. [2020-10-11 18:28:51,444 INFO L241 Difference]: Finished difference. Result has 125 places, 85 transitions, 476 flow [2020-10-11 18:28:51,444 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=476, PETRI_PLACES=125, PETRI_TRANSITIONS=85} [2020-10-11 18:28:51,444 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 42 predicate places. [2020-10-11 18:28:51,445 INFO L481 AbstractCegarLoop]: Abstraction has has 125 places, 85 transitions, 476 flow [2020-10-11 18:28:51,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-11 18:28:51,445 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:51,445 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:51,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 18:28:51,445 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:51,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:51,446 INFO L82 PathProgramCache]: Analyzing trace with hash -971939899, now seen corresponding path program 5 times [2020-10-11 18:28:51,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:51,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492047101] [2020-10-11 18:28:51,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:51,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492047101] [2020-10-11 18:28:51,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:51,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:28:51,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054642498] [2020-10-11 18:28:51,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:28:51,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:51,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:28:51,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:28:52,880 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 80 [2020-10-11 18:28:52,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 85 transitions, 476 flow. Second operand 12 states. [2020-10-11 18:28:52,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:52,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 80 [2020-10-11 18:28:52,881 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:53,401 INFO L129 PetriNetUnfolder]: 39/225 cut-off events. [2020-10-11 18:28:53,402 INFO L130 PetriNetUnfolder]: For 1630/1944 co-relation queries the response was YES. [2020-10-11 18:28:53,403 INFO L80 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 225 events. 39/225 cut-off events. For 1630/1944 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 946 event pairs, 0 based on Foata normal form. 17/239 useless extension candidates. Maximal degree in co-relation 896. Up to 58 conditions per place. [2020-10-11 18:28:53,404 INFO L132 encePairwiseOnDemand]: 69/80 looper letters, 30 selfloop transitions, 7 changer transitions 20/104 dead transitions. [2020-10-11 18:28:53,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 104 transitions, 776 flow [2020-10-11 18:28:53,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-11 18:28:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-11 18:28:53,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 683 transitions. [2020-10-11 18:28:53,405 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7761363636363636 [2020-10-11 18:28:53,406 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 683 transitions. [2020-10-11 18:28:53,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 683 transitions. [2020-10-11 18:28:53,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:53,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 683 transitions. [2020-10-11 18:28:53,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-11 18:28:53,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-11 18:28:53,408 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-11 18:28:53,408 INFO L185 Difference]: Start difference. First operand has 125 places, 85 transitions, 476 flow. Second operand 11 states and 683 transitions. [2020-10-11 18:28:53,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 104 transitions, 776 flow [2020-10-11 18:28:53,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 104 transitions, 718 flow, removed 13 selfloop flow, removed 14 redundant places. [2020-10-11 18:28:53,416 INFO L241 Difference]: Finished difference. Result has 122 places, 81 transitions, 403 flow [2020-10-11 18:28:53,416 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=403, PETRI_PLACES=122, PETRI_TRANSITIONS=81} [2020-10-11 18:28:53,416 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 39 predicate places. [2020-10-11 18:28:53,417 INFO L481 AbstractCegarLoop]: Abstraction has has 122 places, 81 transitions, 403 flow [2020-10-11 18:28:53,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:28:53,417 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:53,417 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:53,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-11 18:28:53,417 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:53,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:53,418 INFO L82 PathProgramCache]: Analyzing trace with hash -695275923, now seen corresponding path program 6 times [2020-10-11 18:28:53,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:53,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680930167] [2020-10-11 18:28:53,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:53,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:53,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680930167] [2020-10-11 18:28:53,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:53,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-11 18:28:53,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844229416] [2020-10-11 18:28:53,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-11 18:28:53,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:53,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-11 18:28:53,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-11 18:28:56,869 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 80 [2020-10-11 18:28:56,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 81 transitions, 403 flow. Second operand 14 states. [2020-10-11 18:28:56,870 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:56,870 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 80 [2020-10-11 18:28:56,870 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:57,658 INFO L129 PetriNetUnfolder]: 20/168 cut-off events. [2020-10-11 18:28:57,659 INFO L130 PetriNetUnfolder]: For 852/1025 co-relation queries the response was YES. [2020-10-11 18:28:57,661 INFO L80 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 168 events. 20/168 cut-off events. For 852/1025 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 564 event pairs, 7 based on Foata normal form. 18/183 useless extension candidates. Maximal degree in co-relation 587. Up to 36 conditions per place. [2020-10-11 18:28:57,662 INFO L132 encePairwiseOnDemand]: 67/80 looper letters, 30 selfloop transitions, 10 changer transitions 18/102 dead transitions. [2020-10-11 18:28:57,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 102 transitions, 722 flow [2020-10-11 18:28:57,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 18:28:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 18:28:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 765 transitions. [2020-10-11 18:28:57,668 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7355769230769231 [2020-10-11 18:28:57,668 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 765 transitions. [2020-10-11 18:28:57,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 765 transitions. [2020-10-11 18:28:57,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:57,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 765 transitions. [2020-10-11 18:28:57,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 18:28:57,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 18:28:57,670 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 18:28:57,671 INFO L185 Difference]: Start difference. First operand has 122 places, 81 transitions, 403 flow. Second operand 13 states and 765 transitions. [2020-10-11 18:28:57,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 102 transitions, 722 flow [2020-10-11 18:28:57,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 102 transitions, 656 flow, removed 20 selfloop flow, removed 13 redundant places. [2020-10-11 18:28:57,677 INFO L241 Difference]: Finished difference. Result has 121 places, 77 transitions, 356 flow [2020-10-11 18:28:57,679 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=356, PETRI_PLACES=121, PETRI_TRANSITIONS=77} [2020-10-11 18:28:57,679 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 38 predicate places. [2020-10-11 18:28:57,679 INFO L481 AbstractCegarLoop]: Abstraction has has 121 places, 77 transitions, 356 flow [2020-10-11 18:28:57,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-11 18:28:57,680 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:57,680 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:57,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-11 18:28:57,680 INFO L429 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:57,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:57,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1398361295, now seen corresponding path program 7 times [2020-10-11 18:28:57,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:57,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945958775] [2020-10-11 18:28:57,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:58,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945958775] [2020-10-11 18:28:58,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:58,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:28:58,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323333113] [2020-10-11 18:28:58,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:28:58,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:58,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:28:58,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:29:00,632 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 80 [2020-10-11 18:29:00,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 77 transitions, 356 flow. Second operand 12 states. [2020-10-11 18:29:00,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:29:00,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 80 [2020-10-11 18:29:00,633 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:29:01,233 INFO L129 PetriNetUnfolder]: 12/144 cut-off events. [2020-10-11 18:29:01,234 INFO L130 PetriNetUnfolder]: For 672/764 co-relation queries the response was YES. [2020-10-11 18:29:01,234 INFO L80 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 144 events. 12/144 cut-off events. For 672/764 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 451 event pairs, 4 based on Foata normal form. 15/156 useless extension candidates. Maximal degree in co-relation 460. Up to 26 conditions per place. [2020-10-11 18:29:01,235 INFO L132 encePairwiseOnDemand]: 70/80 looper letters, 20 selfloop transitions, 3 changer transitions 20/88 dead transitions. [2020-10-11 18:29:01,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 88 transitions, 554 flow [2020-10-11 18:29:01,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-11 18:29:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-11 18:29:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 656 transitions. [2020-10-11 18:29:01,238 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7454545454545455 [2020-10-11 18:29:01,238 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 656 transitions. [2020-10-11 18:29:01,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 656 transitions. [2020-10-11 18:29:01,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:29:01,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 656 transitions. [2020-10-11 18:29:01,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-11 18:29:01,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-11 18:29:01,242 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-11 18:29:01,243 INFO L185 Difference]: Start difference. First operand has 121 places, 77 transitions, 356 flow. Second operand 11 states and 656 transitions. [2020-10-11 18:29:01,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 88 transitions, 554 flow [2020-10-11 18:29:01,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 88 transitions, 485 flow, removed 22 selfloop flow, removed 13 redundant places. [2020-10-11 18:29:01,248 INFO L241 Difference]: Finished difference. Result has 117 places, 68 transitions, 246 flow [2020-10-11 18:29:01,248 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=246, PETRI_PLACES=117, PETRI_TRANSITIONS=68} [2020-10-11 18:29:01,248 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 34 predicate places. [2020-10-11 18:29:01,249 INFO L481 AbstractCegarLoop]: Abstraction has has 117 places, 68 transitions, 246 flow [2020-10-11 18:29:01,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:29:01,249 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:29:01,249 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:29:01,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-11 18:29:01,249 INFO L429 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:29:01,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:29:01,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1832236237, now seen corresponding path program 1 times [2020-10-11 18:29:01,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:29:01,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505292342] [2020-10-11 18:29:01,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:29:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:29:01,653 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 20 [2020-10-11 18:29:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:29:01,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505292342] [2020-10-11 18:29:01,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:29:01,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:29:01,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992309145] [2020-10-11 18:29:01,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:29:01,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:29:01,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:29:01,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:29:04,213 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 80 [2020-10-11 18:29:04,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 68 transitions, 246 flow. Second operand 12 states. [2020-10-11 18:29:04,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:29:04,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 80 [2020-10-11 18:29:04,215 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:29:04,468 INFO L129 PetriNetUnfolder]: 1/70 cut-off events. [2020-10-11 18:29:04,468 INFO L130 PetriNetUnfolder]: For 207/232 co-relation queries the response was YES. [2020-10-11 18:29:04,469 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 70 events. 1/70 cut-off events. For 207/232 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 65 event pairs, 0 based on Foata normal form. 4/72 useless extension candidates. Maximal degree in co-relation 160. Up to 7 conditions per place. [2020-10-11 18:29:04,469 INFO L132 encePairwiseOnDemand]: 72/80 looper letters, 0 selfloop transitions, 0 changer transitions 66/66 dead transitions. [2020-10-11 18:29:04,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 66 transitions, 278 flow [2020-10-11 18:29:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:29:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:29:04,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 550 transitions. [2020-10-11 18:29:04,471 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7638888888888888 [2020-10-11 18:29:04,471 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 550 transitions. [2020-10-11 18:29:04,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 550 transitions. [2020-10-11 18:29:04,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:29:04,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 550 transitions. [2020-10-11 18:29:04,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:29:04,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:29:04,473 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:29:04,473 INFO L185 Difference]: Start difference. First operand has 117 places, 68 transitions, 246 flow. Second operand 9 states and 550 transitions. [2020-10-11 18:29:04,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 66 transitions, 278 flow [2020-10-11 18:29:04,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 66 transitions, 232 flow, removed 10 selfloop flow, removed 19 redundant places. [2020-10-11 18:29:04,475 INFO L241 Difference]: Finished difference. Result has 93 places, 0 transitions, 0 flow [2020-10-11 18:29:04,475 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=93, PETRI_TRANSITIONS=0} [2020-10-11 18:29:04,476 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 10 predicate places. [2020-10-11 18:29:04,476 INFO L481 AbstractCegarLoop]: Abstraction has has 93 places, 0 transitions, 0 flow [2020-10-11 18:29:04,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:29:04,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-11 18:29:04,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:29:04 BasicIcfg [2020-10-11 18:29:04,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 18:29:04,484 INFO L168 Benchmark]: Toolchain (without parser) took 59457.81 ms. Allocated memory was 251.1 MB in the beginning and 924.3 MB in the end (delta: 673.2 MB). Free memory was 206.9 MB in the beginning and 549.8 MB in the end (delta: -342.9 MB). Peak memory consumption was 330.3 MB. Max. memory is 14.2 GB. [2020-10-11 18:29:04,485 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 18:29:04,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.18 ms. Allocated memory was 251.1 MB in the beginning and 313.5 MB in the end (delta: 62.4 MB). Free memory was 206.9 MB in the beginning and 261.7 MB in the end (delta: -54.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.2 GB. [2020-10-11 18:29:04,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.20 ms. Allocated memory is still 313.5 MB. Free memory was 261.7 MB in the beginning and 256.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. [2020-10-11 18:29:04,487 INFO L168 Benchmark]: Boogie Preprocessor took 70.53 ms. Allocated memory is still 313.5 MB. Free memory was 256.7 MB in the beginning and 254.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:29:04,487 INFO L168 Benchmark]: RCFGBuilder took 3508.94 ms. Allocated memory was 313.5 MB in the beginning and 370.7 MB in the end (delta: 57.1 MB). Free memory was 254.2 MB in the beginning and 170.0 MB in the end (delta: 84.2 MB). Peak memory consumption was 144.9 MB. Max. memory is 14.2 GB. [2020-10-11 18:29:04,488 INFO L168 Benchmark]: TraceAbstraction took 54978.76 ms. Allocated memory was 370.7 MB in the beginning and 924.3 MB in the end (delta: 553.6 MB). Free memory was 170.0 MB in the beginning and 549.8 MB in the end (delta: -379.7 MB). Peak memory consumption was 173.9 MB. Max. memory is 14.2 GB. [2020-10-11 18:29:04,492 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 817.18 ms. Allocated memory was 251.1 MB in the beginning and 313.5 MB in the end (delta: 62.4 MB). Free memory was 206.9 MB in the beginning and 261.7 MB in the end (delta: -54.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 76.20 ms. Allocated memory is still 313.5 MB. Free memory was 261.7 MB in the beginning and 256.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 70.53 ms. Allocated memory is still 313.5 MB. Free memory was 256.7 MB in the beginning and 254.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 3508.94 ms. Allocated memory was 313.5 MB in the beginning and 370.7 MB in the end (delta: 57.1 MB). Free memory was 254.2 MB in the beginning and 170.0 MB in the end (delta: 84.2 MB). Peak memory consumption was 144.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 54978.76 ms. Allocated memory was 370.7 MB in the beginning and 924.3 MB in the end (delta: 553.6 MB). Free memory was 170.0 MB in the beginning and 549.8 MB in the end (delta: -379.7 MB). Peak memory consumption was 173.9 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 54.7s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 46.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 771 SDtfs, 1671 SDslu, 7131 SDs, 0 SdLazy, 6568 SolverSat, 827 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=592occurred 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: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 940 ConstructedInterpolants, 0 QuantifiedInterpolants, 460951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 correct! Received shutdown request...