/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:52:59,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:52:59,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:52:59,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:52:59,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:52:59,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:52:59,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:52:59,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:52:59,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:52:59,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:52:59,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:52:59,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:52:59,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:52:59,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:52:59,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:52:59,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:52:59,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:52:59,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:52:59,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:52:59,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:52:59,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:52:59,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:52:59,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:52:59,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:52:59,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 04:52:59,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 04:52:59,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 04:52:59,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 04:52:59,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 04:52:59,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 04:52:59,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 04:52:59,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 04:52:59,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 04:52:59,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 04:52:59,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 04:52:59,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 04:52:59,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 04:52:59,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 04:52:59,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:52:59,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:52:59,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:52:59,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf [2021-03-25 04:52:59,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:52:59,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:52:59,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:52:59,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:52:59,608 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:52:59,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:52:59,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:52:59,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:52:59,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:52:59,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:52:59,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:52:59,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:52:59,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:52:59,609 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:52:59,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:52:59,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:52:59,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:52:59,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:52:59,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:52:59,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:52:59,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:52:59,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:52:59,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:52:59,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:52:59,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:52:59,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:52:59,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:52:59,611 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:52:59,611 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:52:59,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:52:59,611 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:52:59,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:52:59,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:52:59,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:52:59,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:52:59,960 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:52:59,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.opt.i [2021-03-25 04:53:00,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07bded779/77639c961bd84ce19da1eeccae1eafab/FLAGe57d71515 [2021-03-25 04:53:00,647 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:53:00,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_power.opt.i [2021-03-25 04:53:00,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07bded779/77639c961bd84ce19da1eeccae1eafab/FLAGe57d71515 [2021-03-25 04:53:01,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07bded779/77639c961bd84ce19da1eeccae1eafab [2021-03-25 04:53:01,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:53:01,038 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:53:01,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:53:01,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:53:01,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:53:01,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc858d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01, skipping insertion in model container [2021-03-25 04:53:01,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:53:01,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:53:01,239 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_power.opt.i[993,1006] [2021-03-25 04:53:01,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:53:01,419 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:53:01,429 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_power.opt.i[993,1006] [2021-03-25 04:53:01,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:53:01,566 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:53:01,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01 WrapperNode [2021-03-25 04:53:01,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:53:01,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:53:01,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:53:01,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:53:01,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:53:01,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:53:01,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:53:01,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:53:01,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (1/1) ... [2021-03-25 04:53:01,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:53:01,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:53:01,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:53:01,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:53:01,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (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 [2021-03-25 04:53:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:53:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:53:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:53:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:53:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:53:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:53:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:53:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:53:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:53:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:53:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:53:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:53:01,785 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 04:53:04,765 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:53:04,767 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:53:04,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:53:04 BoogieIcfgContainer [2021-03-25 04:53:04,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:53:04,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:53:04,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:53:04,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:53:04,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:53:01" (1/3) ... [2021-03-25 04:53:04,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a464166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:53:04, skipping insertion in model container [2021-03-25 04:53:04,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:53:01" (2/3) ... [2021-03-25 04:53:04,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a464166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:53:04, skipping insertion in model container [2021-03-25 04:53:04,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:53:04" (3/3) ... [2021-03-25 04:53:04,779 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_power.opt.i [2021-03-25 04:53:04,786 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:53:04,791 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:53:04,791 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:53:04,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,851 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,851 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,851 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,851 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,851 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,872 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,872 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,898 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:53:04,907 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:53:04,924 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 04:53:04,943 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:53:04,943 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:53:04,943 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:53:04,944 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:53:04,944 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:53:04,944 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:53:04,944 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:53:04,944 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:53:04,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-03-25 04:53:04,984 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-25 04:53:04,984 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:53:04,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-25 04:53:04,988 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow [2021-03-25 04:53:04,992 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow [2021-03-25 04:53:04,993 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:05,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-25 04:53:05,004 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-25 04:53:05,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 172 flow [2021-03-25 04:53:05,021 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-25 04:53:05,021 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:53:05,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-25 04:53:05,023 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-25 04:53:05,973 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-25 04:53:06,312 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-25 04:53:07,806 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-25 04:53:08,369 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 04:53:08,635 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:53:08,990 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:53:09,107 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 04:53:09,993 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 04:53:10,352 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 04:53:10,920 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 04:53:11,485 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 04:53:11,935 INFO L154 LiptonReduction]: Checked pairs total: 1902 [2021-03-25 04:53:11,939 INFO L156 LiptonReduction]: Total number of compositions: 56 [2021-03-25 04:53:11,943 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6951 [2021-03-25 04:53:11,951 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 04:53:11,951 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:53:11,951 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:11,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:11,952 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:11,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:11,958 INFO L82 PathProgramCache]: Analyzing trace with hash 985276753, now seen corresponding path program 1 times [2021-03-25 04:53:11,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:11,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900609409] [2021-03-25 04:53:11,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:12,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:12,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:53:12,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:12,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:53:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:12,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900609409] [2021-03-25 04:53:12,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:12,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:53:12,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216978953] [2021-03-25 04:53:12,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:53:12,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:12,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:53:12,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:53:12,198 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 141 [2021-03-25 04:53:12,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:12,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:12,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 141 [2021-03-25 04:53:12,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:12,326 INFO L129 PetriNetUnfolder]: 57/161 cut-off events. [2021-03-25 04:53:12,326 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:53:12,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 161 events. 57/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 699 event pairs, 6 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 256. Up to 88 conditions per place. [2021-03-25 04:53:12,330 INFO L132 encePairwiseOnDemand]: 137/141 looper letters, 12 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2021-03-25 04:53:12,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 35 transitions, 104 flow [2021-03-25 04:53:12,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:53:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:53:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2021-03-25 04:53:12,341 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8628841607565012 [2021-03-25 04:53:12,341 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2021-03-25 04:53:12,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2021-03-25 04:53:12,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:12,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2021-03-25 04:53:12,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:12,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:12,357 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:12,358 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 365 transitions. [2021-03-25 04:53:12,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 35 transitions, 104 flow [2021-03-25 04:53:12,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:53:12,362 INFO L241 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2021-03-25 04:53:12,364 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2021-03-25 04:53:12,364 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-25 04:53:12,364 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:12,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-25 04:53:12,366 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-25 04:53:12,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 68 flow [2021-03-25 04:53:12,372 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-25 04:53:12,373 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:53:12,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:53:12,374 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-25 04:53:13,039 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-25 04:53:13,348 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-25 04:53:13,965 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-25 04:53:14,501 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-25 04:53:15,018 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-03-25 04:53:15,289 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-03-25 04:53:15,924 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2021-03-25 04:53:16,532 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2021-03-25 04:53:16,624 INFO L154 LiptonReduction]: Checked pairs total: 674 [2021-03-25 04:53:16,624 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 04:53:16,625 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4261 [2021-03-25 04:53:16,626 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 21 transitions, 50 flow [2021-03-25 04:53:16,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:16,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:16,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:16,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:53:16,626 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:16,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:16,627 INFO L82 PathProgramCache]: Analyzing trace with hash 575567191, now seen corresponding path program 1 times [2021-03-25 04:53:16,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:16,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223212674] [2021-03-25 04:53:16,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:16,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:16,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:53:16,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:16,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:53:16,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:16,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:53:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:16,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223212674] [2021-03-25 04:53:16,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:16,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:53:16,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151442903] [2021-03-25 04:53:16,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:53:16,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:16,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:53:16,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:53:16,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 151 [2021-03-25 04:53:16,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 21 transitions, 50 flow. Second operand has 4 states, 4 states have (on average 122.75) internal successors, (491), 4 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:16,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:16,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 151 [2021-03-25 04:53:16,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:16,768 INFO L129 PetriNetUnfolder]: 1/24 cut-off events. [2021-03-25 04:53:16,769 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:53:16,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 24 events. 1/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 40 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2021-03-25 04:53:16,769 INFO L132 encePairwiseOnDemand]: 147/151 looper letters, 1 selfloop transitions, 2 changer transitions 4/23 dead transitions. [2021-03-25 04:53:16,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 23 transitions, 66 flow [2021-03-25 04:53:16,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:53:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:53:16,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 617 transitions. [2021-03-25 04:53:16,774 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8172185430463577 [2021-03-25 04:53:16,775 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 617 transitions. [2021-03-25 04:53:16,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 617 transitions. [2021-03-25 04:53:16,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:16,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 617 transitions. [2021-03-25 04:53:16,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 123.4) internal successors, (617), 5 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:16,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 151.0) internal successors, (906), 6 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:16,780 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 151.0) internal successors, (906), 6 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:16,780 INFO L185 Difference]: Start difference. First operand has 28 places, 21 transitions, 50 flow. Second operand 5 states and 617 transitions. [2021-03-25 04:53:16,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 23 transitions, 66 flow [2021-03-25 04:53:16,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 23 transitions, 62 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:53:16,781 INFO L241 Difference]: Finished difference. Result has 31 places, 19 transitions, 50 flow [2021-03-25 04:53:16,781 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=50, PETRI_PLACES=31, PETRI_TRANSITIONS=19} [2021-03-25 04:53:16,782 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -7 predicate places. [2021-03-25 04:53:16,782 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:16,782 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 19 transitions, 50 flow [2021-03-25 04:53:16,782 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 19 transitions, 50 flow [2021-03-25 04:53:16,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 19 transitions, 50 flow [2021-03-25 04:53:16,793 INFO L129 PetriNetUnfolder]: 0/19 cut-off events. [2021-03-25 04:53:16,793 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:53:16,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 19 events. 0/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:53:16,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 124 [2021-03-25 04:53:17,239 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 04:53:17,372 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 04:53:17,651 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 04:53:17,761 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 04:53:17,763 INFO L154 LiptonReduction]: Checked pairs total: 480 [2021-03-25 04:53:17,763 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:53:17,764 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 982 [2021-03-25 04:53:17,764 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 17 transitions, 46 flow [2021-03-25 04:53:17,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 122.75) internal successors, (491), 4 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:17,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:17,765 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:17,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:53:17,765 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:17,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:17,765 INFO L82 PathProgramCache]: Analyzing trace with hash -406786211, now seen corresponding path program 1 times [2021-03-25 04:53:17,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:17,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525191534] [2021-03-25 04:53:17,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:17,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:17,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:53:17,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:17,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:18,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:18,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:18,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:18,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 04:53:18,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:18,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:53:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:18,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525191534] [2021-03-25 04:53:18,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:18,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:53:18,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43332694] [2021-03-25 04:53:18,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:53:18,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:18,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:53:18,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:53:18,038 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 153 [2021-03-25 04:53:18,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 17 transitions, 46 flow. Second operand has 7 states, 7 states have (on average 105.14285714285714) internal successors, (736), 7 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:18,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:18,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 153 [2021-03-25 04:53:18,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:18,168 INFO L129 PetriNetUnfolder]: 66/142 cut-off events. [2021-03-25 04:53:18,168 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 04:53:18,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 142 events. 66/142 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 518 event pairs, 4 based on Foata normal form. 6/145 useless extension candidates. Maximal degree in co-relation 295. Up to 83 conditions per place. [2021-03-25 04:53:18,173 INFO L132 encePairwiseOnDemand]: 147/153 looper letters, 20 selfloop transitions, 6 changer transitions 0/32 dead transitions. [2021-03-25 04:53:18,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 32 transitions, 137 flow [2021-03-25 04:53:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:53:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:53:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 549 transitions. [2021-03-25 04:53:18,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7176470588235294 [2021-03-25 04:53:18,178 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 549 transitions. [2021-03-25 04:53:18,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 549 transitions. [2021-03-25 04:53:18,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:18,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 549 transitions. [2021-03-25 04:53:18,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:18,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:18,186 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:18,187 INFO L185 Difference]: Start difference. First operand has 25 places, 17 transitions, 46 flow. Second operand 5 states and 549 transitions. [2021-03-25 04:53:18,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 32 transitions, 137 flow [2021-03-25 04:53:18,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 32 transitions, 127 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:53:18,188 INFO L241 Difference]: Finished difference. Result has 30 places, 20 transitions, 80 flow [2021-03-25 04:53:18,188 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=80, PETRI_PLACES=30, PETRI_TRANSITIONS=20} [2021-03-25 04:53:18,188 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-25 04:53:18,188 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:18,189 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 20 transitions, 80 flow [2021-03-25 04:53:18,192 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 20 transitions, 80 flow [2021-03-25 04:53:18,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 20 transitions, 80 flow [2021-03-25 04:53:18,199 INFO L129 PetriNetUnfolder]: 3/36 cut-off events. [2021-03-25 04:53:18,200 INFO L130 PetriNetUnfolder]: For 19/21 co-relation queries the response was YES. [2021-03-25 04:53:18,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 36 events. 3/36 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 67. Up to 8 conditions per place. [2021-03-25 04:53:18,201 INFO L142 LiptonReduction]: Number of co-enabled transitions 138 [2021-03-25 04:53:18,385 INFO L154 LiptonReduction]: Checked pairs total: 280 [2021-03-25 04:53:18,385 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:53:18,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 197 [2021-03-25 04:53:18,386 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 19 transitions, 77 flow [2021-03-25 04:53:18,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 105.14285714285714) internal successors, (736), 7 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:18,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:18,386 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:18,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:53:18,387 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:18,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:18,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1912877364, now seen corresponding path program 1 times [2021-03-25 04:53:18,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:18,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957030371] [2021-03-25 04:53:18,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:18,501 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-03-25 04:53:18,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 04:53:18,532 INFO L142 QuantifierPusher]: treesize reduction 31, result has 57.5 percent of original size [2021-03-25 04:53:18,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 04:53:18,558 INFO L142 QuantifierPusher]: treesize reduction 17, result has 71.7 percent of original size [2021-03-25 04:53:18,560 INFO L147 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size 34 [2021-03-25 04:53:18,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:18,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:53:18,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:18,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:18,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:18,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:18,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957030371] [2021-03-25 04:53:18,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:18,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:53:18,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256859073] [2021-03-25 04:53:18,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:53:18,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:18,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:53:18,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:53:18,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 155 [2021-03-25 04:53:18,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 77 flow. Second operand has 7 states, 7 states have (on average 110.0) internal successors, (770), 7 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:18,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:18,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 155 [2021-03-25 04:53:18,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:18,743 INFO L129 PetriNetUnfolder]: 63/138 cut-off events. [2021-03-25 04:53:18,743 INFO L130 PetriNetUnfolder]: For 123/133 co-relation queries the response was YES. [2021-03-25 04:53:18,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 138 events. 63/138 cut-off events. For 123/133 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 557 event pairs, 6 based on Foata normal form. 7/144 useless extension candidates. Maximal degree in co-relation 373. Up to 93 conditions per place. [2021-03-25 04:53:18,745 INFO L132 encePairwiseOnDemand]: 145/155 looper letters, 16 selfloop transitions, 9 changer transitions 0/31 dead transitions. [2021-03-25 04:53:18,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 31 transitions, 158 flow [2021-03-25 04:53:18,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:53:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:53:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 571 transitions. [2021-03-25 04:53:18,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7367741935483871 [2021-03-25 04:53:18,747 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 571 transitions. [2021-03-25 04:53:18,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 571 transitions. [2021-03-25 04:53:18,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:18,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 571 transitions. [2021-03-25 04:53:18,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 114.2) internal successors, (571), 5 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:18,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:18,751 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:18,751 INFO L185 Difference]: Start difference. First operand has 28 places, 19 transitions, 77 flow. Second operand 5 states and 571 transitions. [2021-03-25 04:53:18,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 31 transitions, 158 flow [2021-03-25 04:53:18,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 31 transitions, 151 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 04:53:18,753 INFO L241 Difference]: Finished difference. Result has 32 places, 23 transitions, 112 flow [2021-03-25 04:53:18,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=112, PETRI_PLACES=32, PETRI_TRANSITIONS=23} [2021-03-25 04:53:18,753 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -6 predicate places. [2021-03-25 04:53:18,753 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:18,754 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 23 transitions, 112 flow [2021-03-25 04:53:18,754 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 23 transitions, 112 flow [2021-03-25 04:53:18,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 23 transitions, 112 flow [2021-03-25 04:53:18,771 INFO L129 PetriNetUnfolder]: 34/97 cut-off events. [2021-03-25 04:53:18,771 INFO L130 PetriNetUnfolder]: For 106/110 co-relation queries the response was YES. [2021-03-25 04:53:18,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 97 events. 34/97 cut-off events. For 106/110 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 387 event pairs, 12 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 241. Up to 56 conditions per place. [2021-03-25 04:53:18,772 INFO L142 LiptonReduction]: Number of co-enabled transitions 126 [2021-03-25 04:53:18,774 INFO L154 LiptonReduction]: Checked pairs total: 66 [2021-03-25 04:53:18,774 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:18,774 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 04:53:18,777 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 112 flow [2021-03-25 04:53:18,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 110.0) internal successors, (770), 7 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:18,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:18,778 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:18,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:53:18,778 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:18,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:18,779 INFO L82 PathProgramCache]: Analyzing trace with hash 477332226, now seen corresponding path program 1 times [2021-03-25 04:53:18,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:18,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459091653] [2021-03-25 04:53:18,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:18,925 INFO L142 QuantifierPusher]: treesize reduction 31, result has 57.5 percent of original size [2021-03-25 04:53:18,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 04:53:18,956 INFO L142 QuantifierPusher]: treesize reduction 31, result has 59.2 percent of original size [2021-03-25 04:53:18,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 04:53:18,990 INFO L142 QuantifierPusher]: treesize reduction 17, result has 73.0 percent of original size [2021-03-25 04:53:18,992 INFO L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-03-25 04:53:19,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:19,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:19,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:19,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:19,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459091653] [2021-03-25 04:53:19,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:19,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:53:19,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730625744] [2021-03-25 04:53:19,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:53:19,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:19,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:53:19,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:53:19,040 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 155 [2021-03-25 04:53:19,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 112 flow. Second operand has 7 states, 7 states have (on average 105.0) internal successors, (735), 7 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:19,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 155 [2021-03-25 04:53:19,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:19,208 INFO L129 PetriNetUnfolder]: 64/145 cut-off events. [2021-03-25 04:53:19,209 INFO L130 PetriNetUnfolder]: For 192/200 co-relation queries the response was YES. [2021-03-25 04:53:19,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 145 events. 64/145 cut-off events. For 192/200 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 590 event pairs, 24 based on Foata normal form. 7/151 useless extension candidates. Maximal degree in co-relation 454. Up to 100 conditions per place. [2021-03-25 04:53:19,212 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 17 selfloop transitions, 12 changer transitions 0/35 dead transitions. [2021-03-25 04:53:19,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 35 transitions, 231 flow [2021-03-25 04:53:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:53:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:53:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 649 transitions. [2021-03-25 04:53:19,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6978494623655914 [2021-03-25 04:53:19,215 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 649 transitions. [2021-03-25 04:53:19,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 649 transitions. [2021-03-25 04:53:19,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:19,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 649 transitions. [2021-03-25 04:53:19,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 108.16666666666667) internal successors, (649), 6 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,219 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,219 INFO L185 Difference]: Start difference. First operand has 32 places, 23 transitions, 112 flow. Second operand 6 states and 649 transitions. [2021-03-25 04:53:19,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 35 transitions, 231 flow [2021-03-25 04:53:19,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 35 transitions, 208 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-25 04:53:19,223 INFO L241 Difference]: Finished difference. Result has 35 places, 30 transitions, 172 flow [2021-03-25 04:53:19,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=172, PETRI_PLACES=35, PETRI_TRANSITIONS=30} [2021-03-25 04:53:19,224 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -3 predicate places. [2021-03-25 04:53:19,224 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:19,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 30 transitions, 172 flow [2021-03-25 04:53:19,224 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 30 transitions, 172 flow [2021-03-25 04:53:19,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 30 transitions, 172 flow [2021-03-25 04:53:19,240 INFO L129 PetriNetUnfolder]: 32/97 cut-off events. [2021-03-25 04:53:19,241 INFO L130 PetriNetUnfolder]: For 78/81 co-relation queries the response was YES. [2021-03-25 04:53:19,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 97 events. 32/97 cut-off events. For 78/81 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 399 event pairs, 10 based on Foata normal form. 1/95 useless extension candidates. Maximal degree in co-relation 276. Up to 54 conditions per place. [2021-03-25 04:53:19,242 INFO L142 LiptonReduction]: Number of co-enabled transitions 132 [2021-03-25 04:53:19,244 INFO L154 LiptonReduction]: Checked pairs total: 94 [2021-03-25 04:53:19,244 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:19,245 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 04:53:19,248 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 172 flow [2021-03-25 04:53:19,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 105.0) internal successors, (735), 7 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:19,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:19,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:53:19,249 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:19,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:19,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1757775919, now seen corresponding path program 1 times [2021-03-25 04:53:19,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:19,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090420748] [2021-03-25 04:53:19,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:19,411 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 04:53:19,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 04:53:19,435 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 04:53:19,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 04:53:19,461 INFO L142 QuantifierPusher]: treesize reduction 37, result has 43.9 percent of original size [2021-03-25 04:53:19,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 04:53:19,480 INFO L142 QuantifierPusher]: treesize reduction 27, result has 71.0 percent of original size [2021-03-25 04:53:19,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 04:53:19,519 INFO L142 QuantifierPusher]: treesize reduction 27, result has 71.0 percent of original size [2021-03-25 04:53:19,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 04:53:19,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:19,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:19,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090420748] [2021-03-25 04:53:19,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:19,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:53:19,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221858741] [2021-03-25 04:53:19,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:53:19,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:19,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:53:19,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:53:19,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 155 [2021-03-25 04:53:19,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 172 flow. Second operand has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:19,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 155 [2021-03-25 04:53:19,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:19,718 INFO L129 PetriNetUnfolder]: 92/203 cut-off events. [2021-03-25 04:53:19,718 INFO L130 PetriNetUnfolder]: For 250/267 co-relation queries the response was YES. [2021-03-25 04:53:19,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 203 events. 92/203 cut-off events. For 250/267 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 903 event pairs, 13 based on Foata normal form. 8/207 useless extension candidates. Maximal degree in co-relation 721. Up to 121 conditions per place. [2021-03-25 04:53:19,719 INFO L132 encePairwiseOnDemand]: 148/155 looper letters, 23 selfloop transitions, 13 changer transitions 0/42 dead transitions. [2021-03-25 04:53:19,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 42 transitions, 316 flow [2021-03-25 04:53:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:53:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:53:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 589 transitions. [2021-03-25 04:53:19,722 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.76 [2021-03-25 04:53:19,722 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 589 transitions. [2021-03-25 04:53:19,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 589 transitions. [2021-03-25 04:53:19,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:19,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 589 transitions. [2021-03-25 04:53:19,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,725 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,725 INFO L185 Difference]: Start difference. First operand has 35 places, 30 transitions, 172 flow. Second operand 5 states and 589 transitions. [2021-03-25 04:53:19,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 42 transitions, 316 flow [2021-03-25 04:53:19,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 42 transitions, 308 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 04:53:19,730 INFO L241 Difference]: Finished difference. Result has 40 places, 35 transitions, 244 flow [2021-03-25 04:53:19,731 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=244, PETRI_PLACES=40, PETRI_TRANSITIONS=35} [2021-03-25 04:53:19,731 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2021-03-25 04:53:19,731 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:19,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 35 transitions, 244 flow [2021-03-25 04:53:19,731 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 35 transitions, 244 flow [2021-03-25 04:53:19,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 35 transitions, 244 flow [2021-03-25 04:53:19,761 INFO L129 PetriNetUnfolder]: 60/164 cut-off events. [2021-03-25 04:53:19,762 INFO L130 PetriNetUnfolder]: For 379/389 co-relation queries the response was YES. [2021-03-25 04:53:19,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 164 events. 60/164 cut-off events. For 379/389 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 798 event pairs, 15 based on Foata normal form. 4/164 useless extension candidates. Maximal degree in co-relation 585. Up to 91 conditions per place. [2021-03-25 04:53:19,764 INFO L142 LiptonReduction]: Number of co-enabled transitions 156 [2021-03-25 04:53:19,767 INFO L154 LiptonReduction]: Checked pairs total: 49 [2021-03-25 04:53:19,767 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:19,767 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-25 04:53:19,771 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 35 transitions, 244 flow [2021-03-25 04:53:19,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:19,771 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:19,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:53:19,772 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:19,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:19,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1690366674, now seen corresponding path program 2 times [2021-03-25 04:53:19,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:19,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620618456] [2021-03-25 04:53:19,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:19,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:19,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:53:19,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:19,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:53:19,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:19,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:19,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:19,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 04:53:19,901 INFO L142 QuantifierPusher]: treesize reduction 26, result has 60.6 percent of original size [2021-03-25 04:53:19,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 04:53:19,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:19,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:19,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620618456] [2021-03-25 04:53:19,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:19,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:53:19,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491698222] [2021-03-25 04:53:19,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:53:19,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:19,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:53:19,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:53:19,939 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 155 [2021-03-25 04:53:19,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 244 flow. Second operand has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:19,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:19,940 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 155 [2021-03-25 04:53:19,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:20,070 INFO L129 PetriNetUnfolder]: 85/203 cut-off events. [2021-03-25 04:53:20,070 INFO L130 PetriNetUnfolder]: For 531/545 co-relation queries the response was YES. [2021-03-25 04:53:20,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 853 conditions, 203 events. 85/203 cut-off events. For 531/545 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 995 event pairs, 25 based on Foata normal form. 20/221 useless extension candidates. Maximal degree in co-relation 834. Up to 96 conditions per place. [2021-03-25 04:53:20,072 INFO L132 encePairwiseOnDemand]: 150/155 looper letters, 23 selfloop transitions, 11 changer transitions 0/40 dead transitions. [2021-03-25 04:53:20,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 40 transitions, 332 flow [2021-03-25 04:53:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:53:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:53:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 471 transitions. [2021-03-25 04:53:20,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7596774193548387 [2021-03-25 04:53:20,074 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 471 transitions. [2021-03-25 04:53:20,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 471 transitions. [2021-03-25 04:53:20,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:20,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 471 transitions. [2021-03-25 04:53:20,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:20,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 155.0) internal successors, (775), 5 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:20,077 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 155.0) internal successors, (775), 5 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:20,077 INFO L185 Difference]: Start difference. First operand has 40 places, 35 transitions, 244 flow. Second operand 4 states and 471 transitions. [2021-03-25 04:53:20,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 40 transitions, 332 flow [2021-03-25 04:53:20,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 325 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-25 04:53:20,081 INFO L241 Difference]: Finished difference. Result has 43 places, 36 transitions, 274 flow [2021-03-25 04:53:20,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=274, PETRI_PLACES=43, PETRI_TRANSITIONS=36} [2021-03-25 04:53:20,082 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 5 predicate places. [2021-03-25 04:53:20,082 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:20,082 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 36 transitions, 274 flow [2021-03-25 04:53:20,082 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 36 transitions, 274 flow [2021-03-25 04:53:20,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 36 transitions, 274 flow [2021-03-25 04:53:20,115 INFO L129 PetriNetUnfolder]: 45/137 cut-off events. [2021-03-25 04:53:20,116 INFO L130 PetriNetUnfolder]: For 379/392 co-relation queries the response was YES. [2021-03-25 04:53:20,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 137 events. 45/137 cut-off events. For 379/392 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 671 event pairs, 10 based on Foata normal form. 4/136 useless extension candidates. Maximal degree in co-relation 540. Up to 78 conditions per place. [2021-03-25 04:53:20,117 INFO L142 LiptonReduction]: Number of co-enabled transitions 160 [2021-03-25 04:53:20,120 INFO L154 LiptonReduction]: Checked pairs total: 66 [2021-03-25 04:53:20,121 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:20,121 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-25 04:53:20,122 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 274 flow [2021-03-25 04:53:20,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:20,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:20,122 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:20,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:53:20,122 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:20,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:20,123 INFO L82 PathProgramCache]: Analyzing trace with hash -602131840, now seen corresponding path program 1 times [2021-03-25 04:53:20,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:20,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103032905] [2021-03-25 04:53:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:20,244 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-03-25 04:53:20,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 04:53:20,273 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 04:53:20,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 04:53:20,298 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-25 04:53:20,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 04:53:20,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:20,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 04:53:20,336 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size [2021-03-25 04:53:20,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 04:53:20,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:20,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:53:20,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:20,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103032905] [2021-03-25 04:53:20,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:20,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:53:20,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621912994] [2021-03-25 04:53:20,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:53:20,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:20,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:53:20,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:53:20,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 155 [2021-03-25 04:53:20,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 274 flow. Second operand has 8 states, 8 states have (on average 93.125) internal successors, (745), 8 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:20,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:20,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 155 [2021-03-25 04:53:20,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:20,666 INFO L129 PetriNetUnfolder]: 292/544 cut-off events. [2021-03-25 04:53:20,667 INFO L130 PetriNetUnfolder]: For 1315/1324 co-relation queries the response was YES. [2021-03-25 04:53:20,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2184 conditions, 544 events. 292/544 cut-off events. For 1315/1324 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2525 event pairs, 44 based on Foata normal form. 13/555 useless extension candidates. Maximal degree in co-relation 2163. Up to 376 conditions per place. [2021-03-25 04:53:20,671 INFO L132 encePairwiseOnDemand]: 144/155 looper letters, 36 selfloop transitions, 17 changer transitions 10/66 dead transitions. [2021-03-25 04:53:20,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 66 transitions, 551 flow [2021-03-25 04:53:20,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:53:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:53:20,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 783 transitions. [2021-03-25 04:53:20,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6314516129032258 [2021-03-25 04:53:20,674 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 783 transitions. [2021-03-25 04:53:20,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 783 transitions. [2021-03-25 04:53:20,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:20,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 783 transitions. [2021-03-25 04:53:20,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 97.875) internal successors, (783), 8 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:20,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:20,680 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:20,680 INFO L185 Difference]: Start difference. First operand has 43 places, 36 transitions, 274 flow. Second operand 8 states and 783 transitions. [2021-03-25 04:53:20,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 66 transitions, 551 flow [2021-03-25 04:53:20,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 66 transitions, 527 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 04:53:20,686 INFO L241 Difference]: Finished difference. Result has 51 places, 45 transitions, 377 flow [2021-03-25 04:53:20,686 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=377, PETRI_PLACES=51, PETRI_TRANSITIONS=45} [2021-03-25 04:53:20,686 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 13 predicate places. [2021-03-25 04:53:20,686 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:20,686 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 45 transitions, 377 flow [2021-03-25 04:53:20,687 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 45 transitions, 377 flow [2021-03-25 04:53:20,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 45 transitions, 377 flow [2021-03-25 04:53:20,717 INFO L129 PetriNetUnfolder]: 53/170 cut-off events. [2021-03-25 04:53:20,717 INFO L130 PetriNetUnfolder]: For 585/600 co-relation queries the response was YES. [2021-03-25 04:53:20,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 170 events. 53/170 cut-off events. For 585/600 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 894 event pairs, 13 based on Foata normal form. 4/168 useless extension candidates. Maximal degree in co-relation 686. Up to 83 conditions per place. [2021-03-25 04:53:20,719 INFO L142 LiptonReduction]: Number of co-enabled transitions 146 [2021-03-25 04:53:20,725 INFO L154 LiptonReduction]: Checked pairs total: 81 [2021-03-25 04:53:20,725 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:20,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-25 04:53:20,726 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 377 flow [2021-03-25 04:53:20,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 93.125) internal successors, (745), 8 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:20,726 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:20,726 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:20,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:53:20,727 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:20,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:20,727 INFO L82 PathProgramCache]: Analyzing trace with hash 2003467384, now seen corresponding path program 2 times [2021-03-25 04:53:20,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:20,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600293449] [2021-03-25 04:53:20,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:20,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:20,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:53:20,865 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-25 04:53:20,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 04:53:20,875 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-25 04:53:20,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 04:53:20,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:20,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:53:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:20,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600293449] [2021-03-25 04:53:20,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:20,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:53:20,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717526865] [2021-03-25 04:53:20,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:53:20,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:20,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:53:20,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:53:20,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 155 [2021-03-25 04:53:20,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 377 flow. Second operand has 6 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:20,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:20,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 155 [2021-03-25 04:53:20,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:21,038 INFO L129 PetriNetUnfolder]: 93/239 cut-off events. [2021-03-25 04:53:21,039 INFO L130 PetriNetUnfolder]: For 835/845 co-relation queries the response was YES. [2021-03-25 04:53:21,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 239 events. 93/239 cut-off events. For 835/845 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1290 event pairs, 31 based on Foata normal form. 8/246 useless extension candidates. Maximal degree in co-relation 1100. Up to 105 conditions per place. [2021-03-25 04:53:21,041 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 15 selfloop transitions, 15 changer transitions 19/57 dead transitions. [2021-03-25 04:53:21,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 57 transitions, 552 flow [2021-03-25 04:53:21,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:53:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:53:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 566 transitions. [2021-03-25 04:53:21,043 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7303225806451613 [2021-03-25 04:53:21,043 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 566 transitions. [2021-03-25 04:53:21,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 566 transitions. [2021-03-25 04:53:21,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:21,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 566 transitions. [2021-03-25 04:53:21,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 113.2) internal successors, (566), 5 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,047 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,047 INFO L185 Difference]: Start difference. First operand has 50 places, 45 transitions, 377 flow. Second operand 5 states and 566 transitions. [2021-03-25 04:53:21,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 57 transitions, 552 flow [2021-03-25 04:53:21,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 57 transitions, 525 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-25 04:53:21,051 INFO L241 Difference]: Finished difference. Result has 52 places, 36 transitions, 320 flow [2021-03-25 04:53:21,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=320, PETRI_PLACES=52, PETRI_TRANSITIONS=36} [2021-03-25 04:53:21,051 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places. [2021-03-25 04:53:21,051 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:21,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 36 transitions, 320 flow [2021-03-25 04:53:21,051 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 36 transitions, 320 flow [2021-03-25 04:53:21,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 36 transitions, 320 flow [2021-03-25 04:53:21,070 INFO L129 PetriNetUnfolder]: 29/103 cut-off events. [2021-03-25 04:53:21,070 INFO L130 PetriNetUnfolder]: For 471/481 co-relation queries the response was YES. [2021-03-25 04:53:21,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 103 events. 29/103 cut-off events. For 471/481 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 478 event pairs, 9 based on Foata normal form. 2/102 useless extension candidates. Maximal degree in co-relation 476. Up to 55 conditions per place. [2021-03-25 04:53:21,071 INFO L142 LiptonReduction]: Number of co-enabled transitions 102 [2021-03-25 04:53:21,074 INFO L154 LiptonReduction]: Checked pairs total: 92 [2021-03-25 04:53:21,074 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:21,074 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-25 04:53:21,075 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 36 transitions, 320 flow [2021-03-25 04:53:21,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,075 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:21,075 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:21,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:53:21,075 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:21,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:21,076 INFO L82 PathProgramCache]: Analyzing trace with hash -602141140, now seen corresponding path program 3 times [2021-03-25 04:53:21,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:21,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252775748] [2021-03-25 04:53:21,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:21,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-25 04:53:21,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:21,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:21,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:21,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:21,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:21,187 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-25 04:53:21,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 04:53:21,209 INFO L142 QuantifierPusher]: treesize reduction 26, result has 61.2 percent of original size [2021-03-25 04:53:21,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 04:53:21,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:21,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 04:53:21,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:21,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 04:53:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:21,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252775748] [2021-03-25 04:53:21,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:21,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:53:21,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905657233] [2021-03-25 04:53:21,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:53:21,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:21,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:53:21,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:53:21,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 155 [2021-03-25 04:53:21,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 36 transitions, 320 flow. Second operand has 8 states, 8 states have (on average 91.125) internal successors, (729), 8 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:21,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 155 [2021-03-25 04:53:21,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:21,469 INFO L129 PetriNetUnfolder]: 135/270 cut-off events. [2021-03-25 04:53:21,469 INFO L130 PetriNetUnfolder]: For 1103/1107 co-relation queries the response was YES. [2021-03-25 04:53:21,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1313 conditions, 270 events. 135/270 cut-off events. For 1103/1107 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1080 event pairs, 24 based on Foata normal form. 7/277 useless extension candidates. Maximal degree in co-relation 1288. Up to 197 conditions per place. [2021-03-25 04:53:21,472 INFO L132 encePairwiseOnDemand]: 146/155 looper letters, 28 selfloop transitions, 14 changer transitions 1/46 dead transitions. [2021-03-25 04:53:21,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 46 transitions, 457 flow [2021-03-25 04:53:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:53:21,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:53:21,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 570 transitions. [2021-03-25 04:53:21,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6129032258064516 [2021-03-25 04:53:21,475 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 570 transitions. [2021-03-25 04:53:21,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 570 transitions. [2021-03-25 04:53:21,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:21,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 570 transitions. [2021-03-25 04:53:21,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,478 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,478 INFO L185 Difference]: Start difference. First operand has 49 places, 36 transitions, 320 flow. Second operand 6 states and 570 transitions. [2021-03-25 04:53:21,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 46 transitions, 457 flow [2021-03-25 04:53:21,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 46 transitions, 437 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-25 04:53:21,488 INFO L241 Difference]: Finished difference. Result has 52 places, 39 transitions, 365 flow [2021-03-25 04:53:21,488 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=365, PETRI_PLACES=52, PETRI_TRANSITIONS=39} [2021-03-25 04:53:21,488 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places. [2021-03-25 04:53:21,488 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:21,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 365 flow [2021-03-25 04:53:21,489 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 365 flow [2021-03-25 04:53:21,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 39 transitions, 365 flow [2021-03-25 04:53:21,510 INFO L129 PetriNetUnfolder]: 36/121 cut-off events. [2021-03-25 04:53:21,510 INFO L130 PetriNetUnfolder]: For 582/592 co-relation queries the response was YES. [2021-03-25 04:53:21,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 121 events. 36/121 cut-off events. For 582/592 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 561 event pairs, 4 based on Foata normal form. 2/120 useless extension candidates. Maximal degree in co-relation 594. Up to 62 conditions per place. [2021-03-25 04:53:21,512 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 04:53:21,515 INFO L154 LiptonReduction]: Checked pairs total: 123 [2021-03-25 04:53:21,515 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:21,516 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-03-25 04:53:21,517 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 39 transitions, 365 flow [2021-03-25 04:53:21,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 91.125) internal successors, (729), 8 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:21,517 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:21,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 04:53:21,517 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:21,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:21,518 INFO L82 PathProgramCache]: Analyzing trace with hash -522589870, now seen corresponding path program 4 times [2021-03-25 04:53:21,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:21,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039131075] [2021-03-25 04:53:21,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:21,598 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 04:53:21,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:21,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:21,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:53:21,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:21,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 04:53:21,618 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-25 04:53:21,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:53:21,631 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-25 04:53:21,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 04:53:21,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:21,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:53:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:21,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039131075] [2021-03-25 04:53:21,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:21,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:53:21,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012309847] [2021-03-25 04:53:21,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:53:21,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:21,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:53:21,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:53:21,651 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 155 [2021-03-25 04:53:21,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 39 transitions, 365 flow. Second operand has 8 states, 8 states have (on average 93.125) internal successors, (745), 8 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:21,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 155 [2021-03-25 04:53:21,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:21,894 INFO L129 PetriNetUnfolder]: 204/401 cut-off events. [2021-03-25 04:53:21,894 INFO L130 PetriNetUnfolder]: For 1998/2002 co-relation queries the response was YES. [2021-03-25 04:53:21,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2030 conditions, 401 events. 204/401 cut-off events. For 1998/2002 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1802 event pairs, 43 based on Foata normal form. 16/417 useless extension candidates. Maximal degree in co-relation 2005. Up to 233 conditions per place. [2021-03-25 04:53:21,898 INFO L132 encePairwiseOnDemand]: 146/155 looper letters, 36 selfloop transitions, 12 changer transitions 20/71 dead transitions. [2021-03-25 04:53:21,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 71 transitions, 737 flow [2021-03-25 04:53:21,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:53:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:53:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 690 transitions. [2021-03-25 04:53:21,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6359447004608295 [2021-03-25 04:53:21,901 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 690 transitions. [2021-03-25 04:53:21,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 690 transitions. [2021-03-25 04:53:21,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:21,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 690 transitions. [2021-03-25 04:53:21,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 98.57142857142857) internal successors, (690), 7 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,905 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:21,905 INFO L185 Difference]: Start difference. First operand has 52 places, 39 transitions, 365 flow. Second operand 7 states and 690 transitions. [2021-03-25 04:53:21,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 71 transitions, 737 flow [2021-03-25 04:53:21,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 71 transitions, 695 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-03-25 04:53:21,910 INFO L241 Difference]: Finished difference. Result has 59 places, 44 transitions, 439 flow [2021-03-25 04:53:21,910 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=439, PETRI_PLACES=59, PETRI_TRANSITIONS=44} [2021-03-25 04:53:21,910 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 21 predicate places. [2021-03-25 04:53:21,910 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:21,910 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 44 transitions, 439 flow [2021-03-25 04:53:21,910 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 44 transitions, 439 flow [2021-03-25 04:53:21,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 44 transitions, 439 flow [2021-03-25 04:53:21,933 INFO L129 PetriNetUnfolder]: 41/133 cut-off events. [2021-03-25 04:53:21,933 INFO L130 PetriNetUnfolder]: For 793/803 co-relation queries the response was YES. [2021-03-25 04:53:21,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 133 events. 41/133 cut-off events. For 793/803 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 668 event pairs, 3 based on Foata normal form. 3/134 useless extension candidates. Maximal degree in co-relation 695. Up to 61 conditions per place. [2021-03-25 04:53:21,935 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-25 04:53:22,118 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 04:53:22,593 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-25 04:53:22,697 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-25 04:53:22,705 INFO L154 LiptonReduction]: Checked pairs total: 307 [2021-03-25 04:53:22,706 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:53:22,706 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 796 [2021-03-25 04:53:22,706 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 43 transitions, 440 flow [2021-03-25 04:53:22,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 93.125) internal successors, (745), 8 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:22,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:22,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:22,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 04:53:22,707 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:22,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:22,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1639372366, now seen corresponding path program 5 times [2021-03-25 04:53:22,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:22,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284513801] [2021-03-25 04:53:22,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:22,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:22,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:53:22,789 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-25 04:53:22,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 04:53:22,799 INFO L142 QuantifierPusher]: treesize reduction 12, result has 60.0 percent of original size [2021-03-25 04:53:22,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 04:53:22,815 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-25 04:53:22,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 04:53:22,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:22,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:53:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:22,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284513801] [2021-03-25 04:53:22,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:22,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:53:22,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99899224] [2021-03-25 04:53:22,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:53:22,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:22,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:53:22,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:53:22,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 156 [2021-03-25 04:53:22,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 43 transitions, 440 flow. Second operand has 7 states, 7 states have (on average 107.14285714285714) internal successors, (750), 7 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:22,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:22,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 156 [2021-03-25 04:53:22,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:23,071 INFO L129 PetriNetUnfolder]: 60/188 cut-off events. [2021-03-25 04:53:23,072 INFO L130 PetriNetUnfolder]: For 1507/1588 co-relation queries the response was YES. [2021-03-25 04:53:23,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1161 conditions, 188 events. 60/188 cut-off events. For 1507/1588 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1005 event pairs, 2 based on Foata normal form. 8/195 useless extension candidates. Maximal degree in co-relation 1132. Up to 87 conditions per place. [2021-03-25 04:53:23,073 INFO L132 encePairwiseOnDemand]: 145/156 looper letters, 19 selfloop transitions, 17 changer transitions 24/66 dead transitions. [2021-03-25 04:53:23,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 66 transitions, 791 flow [2021-03-25 04:53:23,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:53:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:53:23,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 774 transitions. [2021-03-25 04:53:23,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7087912087912088 [2021-03-25 04:53:23,077 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 774 transitions. [2021-03-25 04:53:23,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 774 transitions. [2021-03-25 04:53:23,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:23,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 774 transitions. [2021-03-25 04:53:23,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 110.57142857142857) internal successors, (774), 7 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:23,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 156.0) internal successors, (1248), 8 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:23,081 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 156.0) internal successors, (1248), 8 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:23,081 INFO L185 Difference]: Start difference. First operand has 57 places, 43 transitions, 440 flow. Second operand 7 states and 774 transitions. [2021-03-25 04:53:23,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 66 transitions, 791 flow [2021-03-25 04:53:23,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 66 transitions, 749 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-25 04:53:23,086 INFO L241 Difference]: Finished difference. Result has 64 places, 40 transitions, 457 flow [2021-03-25 04:53:23,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=457, PETRI_PLACES=64, PETRI_TRANSITIONS=40} [2021-03-25 04:53:23,086 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 26 predicate places. [2021-03-25 04:53:23,087 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:23,087 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 40 transitions, 457 flow [2021-03-25 04:53:23,087 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 40 transitions, 457 flow [2021-03-25 04:53:23,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 40 transitions, 457 flow [2021-03-25 04:53:23,105 INFO L129 PetriNetUnfolder]: 23/91 cut-off events. [2021-03-25 04:53:23,106 INFO L130 PetriNetUnfolder]: For 774/785 co-relation queries the response was YES. [2021-03-25 04:53:23,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 91 events. 23/91 cut-off events. For 774/785 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 372 event pairs, 2 based on Foata normal form. 1/92 useless extension candidates. Maximal degree in co-relation 518. Up to 43 conditions per place. [2021-03-25 04:53:23,107 INFO L142 LiptonReduction]: Number of co-enabled transitions 72 [2021-03-25 04:53:23,110 INFO L154 LiptonReduction]: Checked pairs total: 96 [2021-03-25 04:53:23,110 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:23,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-25 04:53:23,112 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 40 transitions, 457 flow [2021-03-25 04:53:23,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 107.14285714285714) internal successors, (750), 7 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:23,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:23,112 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:23,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 04:53:23,113 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:23,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:23,113 INFO L82 PathProgramCache]: Analyzing trace with hash 893643592, now seen corresponding path program 1 times [2021-03-25 04:53:23,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:23,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496083868] [2021-03-25 04:53:23,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:23,226 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 04:53:23,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 04:53:23,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:23,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:23,262 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 04:53:23,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 04:53:23,281 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 04:53:23,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 04:53:23,282 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-25 04:53:23,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 04:53:23,303 INFO L142 QuantifierPusher]: treesize reduction 31, result has 78.6 percent of original size [2021-03-25 04:53:23,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-25 04:53:23,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:23,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 04:53:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:23,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496083868] [2021-03-25 04:53:23,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:23,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:53:23,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451982824] [2021-03-25 04:53:23,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:53:23,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:23,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:53:23,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:53:23,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 156 [2021-03-25 04:53:23,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 40 transitions, 457 flow. Second operand has 8 states, 8 states have (on average 92.0) internal successors, (736), 8 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:23,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:23,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 156 [2021-03-25 04:53:23,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:23,635 INFO L129 PetriNetUnfolder]: 23/100 cut-off events. [2021-03-25 04:53:23,636 INFO L130 PetriNetUnfolder]: For 932/964 co-relation queries the response was YES. [2021-03-25 04:53:23,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 100 events. 23/100 cut-off events. For 932/964 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 435 event pairs, 1 based on Foata normal form. 11/111 useless extension candidates. Maximal degree in co-relation 638. Up to 46 conditions per place. [2021-03-25 04:53:23,637 INFO L132 encePairwiseOnDemand]: 146/156 looper letters, 22 selfloop transitions, 7 changer transitions 17/52 dead transitions. [2021-03-25 04:53:23,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 52 transitions, 682 flow [2021-03-25 04:53:23,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:53:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:53:23,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 756 transitions. [2021-03-25 04:53:23,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6057692307692307 [2021-03-25 04:53:23,640 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 756 transitions. [2021-03-25 04:53:23,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 756 transitions. [2021-03-25 04:53:23,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:23,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 756 transitions. [2021-03-25 04:53:23,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 94.5) internal successors, (756), 8 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:23,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 156.0) internal successors, (1404), 9 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:23,645 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 156.0) internal successors, (1404), 9 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:23,645 INFO L185 Difference]: Start difference. First operand has 62 places, 40 transitions, 457 flow. Second operand 8 states and 756 transitions. [2021-03-25 04:53:23,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 52 transitions, 682 flow [2021-03-25 04:53:23,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 52 transitions, 587 flow, removed 27 selfloop flow, removed 11 redundant places. [2021-03-25 04:53:23,650 INFO L241 Difference]: Finished difference. Result has 61 places, 35 transitions, 355 flow [2021-03-25 04:53:23,650 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=355, PETRI_PLACES=61, PETRI_TRANSITIONS=35} [2021-03-25 04:53:23,650 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 23 predicate places. [2021-03-25 04:53:23,650 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:23,650 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 35 transitions, 355 flow [2021-03-25 04:53:23,650 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 35 transitions, 355 flow [2021-03-25 04:53:23,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 35 transitions, 355 flow [2021-03-25 04:53:23,664 INFO L129 PetriNetUnfolder]: 16/71 cut-off events. [2021-03-25 04:53:23,665 INFO L130 PetriNetUnfolder]: For 494/501 co-relation queries the response was YES. [2021-03-25 04:53:23,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 71 events. 16/71 cut-off events. For 494/501 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 244 event pairs, 1 based on Foata normal form. 1/72 useless extension candidates. Maximal degree in co-relation 357. Up to 32 conditions per place. [2021-03-25 04:53:23,665 INFO L142 LiptonReduction]: Number of co-enabled transitions 62 [2021-03-25 04:53:23,668 INFO L154 LiptonReduction]: Checked pairs total: 78 [2021-03-25 04:53:23,668 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:23,668 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-25 04:53:23,668 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 35 transitions, 355 flow [2021-03-25 04:53:23,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 92.0) internal successors, (736), 8 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:23,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:23,669 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:23,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 04:53:23,669 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:23,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:23,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1772586168, now seen corresponding path program 6 times [2021-03-25 04:53:23,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:23,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452431477] [2021-03-25 04:53:23,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:23,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:23,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:53:23,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:23,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:23,758 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-25 04:53:23,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 04:53:23,769 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-25 04:53:23,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 04:53:23,781 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-25 04:53:23,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:53:23,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:23,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:53:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:23,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452431477] [2021-03-25 04:53:23,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:23,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:53:23,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315589292] [2021-03-25 04:53:23,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:53:23,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:23,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:53:23,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:53:23,815 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 156 [2021-03-25 04:53:23,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 35 transitions, 355 flow. Second operand has 8 states, 8 states have (on average 102.0) internal successors, (816), 8 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:23,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:23,815 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 156 [2021-03-25 04:53:23,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:23,996 INFO L129 PetriNetUnfolder]: 17/82 cut-off events. [2021-03-25 04:53:23,997 INFO L130 PetriNetUnfolder]: For 686/728 co-relation queries the response was YES. [2021-03-25 04:53:23,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 82 events. 17/82 cut-off events. For 686/728 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 322 event pairs, 2 based on Foata normal form. 10/92 useless extension candidates. Maximal degree in co-relation 459. Up to 51 conditions per place. [2021-03-25 04:53:23,997 INFO L132 encePairwiseOnDemand]: 148/156 looper letters, 21 selfloop transitions, 5 changer transitions 11/43 dead transitions. [2021-03-25 04:53:23,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 43 transitions, 512 flow [2021-03-25 04:53:23,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:53:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:53:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 732 transitions. [2021-03-25 04:53:24,000 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6703296703296703 [2021-03-25 04:53:24,000 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 732 transitions. [2021-03-25 04:53:24,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 732 transitions. [2021-03-25 04:53:24,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:24,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 732 transitions. [2021-03-25 04:53:24,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 104.57142857142857) internal successors, (732), 7 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:24,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 156.0) internal successors, (1248), 8 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:24,004 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 156.0) internal successors, (1248), 8 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:24,004 INFO L185 Difference]: Start difference. First operand has 58 places, 35 transitions, 355 flow. Second operand 7 states and 732 transitions. [2021-03-25 04:53:24,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 43 transitions, 512 flow [2021-03-25 04:53:24,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 43 transitions, 482 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-03-25 04:53:24,007 INFO L241 Difference]: Finished difference. Result has 61 places, 32 transitions, 313 flow [2021-03-25 04:53:24,007 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=313, PETRI_PLACES=61, PETRI_TRANSITIONS=32} [2021-03-25 04:53:24,007 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 23 predicate places. [2021-03-25 04:53:24,007 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:24,007 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 32 transitions, 313 flow [2021-03-25 04:53:24,008 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 32 transitions, 313 flow [2021-03-25 04:53:24,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 32 transitions, 313 flow [2021-03-25 04:53:24,022 INFO L129 PetriNetUnfolder]: 15/66 cut-off events. [2021-03-25 04:53:24,022 INFO L130 PetriNetUnfolder]: For 358/360 co-relation queries the response was YES. [2021-03-25 04:53:24,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 66 events. 15/66 cut-off events. For 358/360 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 224 event pairs, 0 based on Foata normal form. 1/67 useless extension candidates. Maximal degree in co-relation 333. Up to 30 conditions per place. [2021-03-25 04:53:24,023 INFO L142 LiptonReduction]: Number of co-enabled transitions 54 [2021-03-25 04:53:24,636 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 165 [2021-03-25 04:53:24,840 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-03-25 04:53:26,575 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 365 DAG size of output: 245 [2021-03-25 04:53:27,005 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-03-25 04:53:27,009 INFO L154 LiptonReduction]: Checked pairs total: 139 [2021-03-25 04:53:27,009 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:53:27,009 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3002 [2021-03-25 04:53:27,010 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 31 transitions, 309 flow [2021-03-25 04:53:27,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 102.0) internal successors, (816), 8 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:27,010 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:27,010 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:27,010 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 04:53:27,010 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:27,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:27,011 INFO L82 PathProgramCache]: Analyzing trace with hash 193968941, now seen corresponding path program 1 times [2021-03-25 04:53:27,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:27,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706319990] [2021-03-25 04:53:27,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:27,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:53:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:27,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:27,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:27,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:27,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 04:53:27,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:27,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:53:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:27,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706319990] [2021-03-25 04:53:27,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:27,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:53:27,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590898729] [2021-03-25 04:53:27,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:53:27,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:27,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:53:27,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:53:27,151 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 157 [2021-03-25 04:53:27,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 31 transitions, 309 flow. Second operand has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:27,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:27,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 157 [2021-03-25 04:53:27,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:27,297 INFO L129 PetriNetUnfolder]: 13/63 cut-off events. [2021-03-25 04:53:27,297 INFO L130 PetriNetUnfolder]: For 403/418 co-relation queries the response was YES. [2021-03-25 04:53:27,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 63 events. 13/63 cut-off events. For 403/418 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 204 event pairs, 0 based on Foata normal form. 12/75 useless extension candidates. Maximal degree in co-relation 367. Up to 33 conditions per place. [2021-03-25 04:53:27,297 INFO L132 encePairwiseOnDemand]: 147/157 looper letters, 15 selfloop transitions, 15 changer transitions 3/39 dead transitions. [2021-03-25 04:53:27,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 39 transitions, 473 flow [2021-03-25 04:53:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:53:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:53:27,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 740 transitions. [2021-03-25 04:53:27,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6733393994540491 [2021-03-25 04:53:27,300 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 740 transitions. [2021-03-25 04:53:27,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 740 transitions. [2021-03-25 04:53:27,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:27,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 740 transitions. [2021-03-25 04:53:27,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 105.71428571428571) internal successors, (740), 7 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:27,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 157.0) internal successors, (1256), 8 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:27,304 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 157.0) internal successors, (1256), 8 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:27,304 INFO L185 Difference]: Start difference. First operand has 55 places, 31 transitions, 309 flow. Second operand 7 states and 740 transitions. [2021-03-25 04:53:27,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 39 transitions, 473 flow [2021-03-25 04:53:27,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 39 transitions, 425 flow, removed 15 selfloop flow, removed 10 redundant places. [2021-03-25 04:53:27,309 INFO L241 Difference]: Finished difference. Result has 53 places, 35 transitions, 374 flow [2021-03-25 04:53:27,309 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=374, PETRI_PLACES=53, PETRI_TRANSITIONS=35} [2021-03-25 04:53:27,309 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 15 predicate places. [2021-03-25 04:53:27,309 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:27,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 35 transitions, 374 flow [2021-03-25 04:53:27,309 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 35 transitions, 374 flow [2021-03-25 04:53:27,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 35 transitions, 374 flow [2021-03-25 04:53:27,321 INFO L129 PetriNetUnfolder]: 13/59 cut-off events. [2021-03-25 04:53:27,321 INFO L130 PetriNetUnfolder]: For 328/328 co-relation queries the response was YES. [2021-03-25 04:53:27,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 59 events. 13/59 cut-off events. For 328/328 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 182 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 310. Up to 27 conditions per place. [2021-03-25 04:53:27,322 INFO L142 LiptonReduction]: Number of co-enabled transitions 44 [2021-03-25 04:53:27,939 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 182 [2021-03-25 04:53:28,130 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 04:53:29,294 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 337 DAG size of output: 258 [2021-03-25 04:53:29,787 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-03-25 04:53:29,803 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-25 04:53:29,803 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:53:29,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2495 [2021-03-25 04:53:29,808 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 35 transitions, 384 flow [2021-03-25 04:53:29,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:29,808 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:29,808 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:29,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 04:53:29,809 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:29,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:29,809 INFO L82 PathProgramCache]: Analyzing trace with hash 697159878, now seen corresponding path program 1 times [2021-03-25 04:53:29,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:29,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233845276] [2021-03-25 04:53:29,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:29,882 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 04:53:29,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 04:53:29,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:29,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:29,915 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-25 04:53:29,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 04:53:29,934 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-03-25 04:53:29,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 04:53:29,947 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-25 04:53:29,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 04:53:29,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:29,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:53:29,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:29,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233845276] [2021-03-25 04:53:29,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:29,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:53:29,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506577735] [2021-03-25 04:53:29,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:53:29,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:29,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:53:29,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:53:29,973 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 158 [2021-03-25 04:53:29,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 35 transitions, 384 flow. Second operand has 8 states, 8 states have (on average 96.0) internal successors, (768), 8 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:29,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:29,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 158 [2021-03-25 04:53:29,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:30,104 INFO L129 PetriNetUnfolder]: 10/57 cut-off events. [2021-03-25 04:53:30,105 INFO L130 PetriNetUnfolder]: For 336/338 co-relation queries the response was YES. [2021-03-25 04:53:30,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 57 events. 10/57 cut-off events. For 336/338 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 164 event pairs, 0 based on Foata normal form. 3/60 useless extension candidates. Maximal degree in co-relation 331. Up to 38 conditions per place. [2021-03-25 04:53:30,105 INFO L132 encePairwiseOnDemand]: 151/158 looper letters, 20 selfloop transitions, 2 changer transitions 6/34 dead transitions. [2021-03-25 04:53:30,105 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 34 transitions, 418 flow [2021-03-25 04:53:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:53:30,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:53:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 682 transitions. [2021-03-25 04:53:30,108 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6166365280289331 [2021-03-25 04:53:30,108 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 682 transitions. [2021-03-25 04:53:30,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 682 transitions. [2021-03-25 04:53:30,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:30,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 682 transitions. [2021-03-25 04:53:30,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 97.42857142857143) internal successors, (682), 7 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:30,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 158.0) internal successors, (1264), 8 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:30,113 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 158.0) internal successors, (1264), 8 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:30,113 INFO L185 Difference]: Start difference. First operand has 52 places, 35 transitions, 384 flow. Second operand 7 states and 682 transitions. [2021-03-25 04:53:30,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 34 transitions, 418 flow [2021-03-25 04:53:30,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 34 transitions, 385 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-25 04:53:30,115 INFO L241 Difference]: Finished difference. Result has 54 places, 28 transitions, 270 flow [2021-03-25 04:53:30,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=270, PETRI_PLACES=54, PETRI_TRANSITIONS=28} [2021-03-25 04:53:30,116 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 16 predicate places. [2021-03-25 04:53:30,116 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:30,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 28 transitions, 270 flow [2021-03-25 04:53:30,116 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 28 transitions, 270 flow [2021-03-25 04:53:30,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 28 transitions, 270 flow [2021-03-25 04:53:30,126 INFO L129 PetriNetUnfolder]: 10/49 cut-off events. [2021-03-25 04:53:30,126 INFO L130 PetriNetUnfolder]: For 220/220 co-relation queries the response was YES. [2021-03-25 04:53:30,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 49 events. 10/49 cut-off events. For 220/220 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 136 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 230. Up to 26 conditions per place. [2021-03-25 04:53:30,127 INFO L142 LiptonReduction]: Number of co-enabled transitions 34 [2021-03-25 04:53:30,318 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 04:53:30,793 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2021-03-25 04:53:30,927 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-25 04:53:31,098 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 04:53:31,470 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 91 [2021-03-25 04:53:31,593 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-03-25 04:53:31,596 INFO L154 LiptonReduction]: Checked pairs total: 108 [2021-03-25 04:53:31,597 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:53:31,597 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1481 [2021-03-25 04:53:31,597 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 27 transitions, 272 flow [2021-03-25 04:53:31,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 96.0) internal successors, (768), 8 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:31,598 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:31,598 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:31,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 04:53:31,598 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:31,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:31,598 INFO L82 PathProgramCache]: Analyzing trace with hash 914317803, now seen corresponding path program 1 times [2021-03-25 04:53:31,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:31,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867695961] [2021-03-25 04:53:31,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:31,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:31,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:53:31,696 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.9 percent of original size [2021-03-25 04:53:31,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 04:53:31,709 INFO L142 QuantifierPusher]: treesize reduction 23, result has 48.9 percent of original size [2021-03-25 04:53:31,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 04:53:31,725 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-03-25 04:53:31,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 04:53:31,771 INFO L142 QuantifierPusher]: treesize reduction 61, result has 64.5 percent of original size [2021-03-25 04:53:31,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-03-25 04:53:31,850 INFO L142 QuantifierPusher]: treesize reduction 134, result has 61.9 percent of original size [2021-03-25 04:53:31,854 INFO L147 QuantifierPusher]: treesize reduction 5, result has 97.7 percent of original size 213 [2021-03-25 04:53:31,978 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 42 [2021-03-25 04:53:31,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:31,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:53:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:31,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867695961] [2021-03-25 04:53:31,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:31,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 04:53:31,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64873753] [2021-03-25 04:53:31,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 04:53:31,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:32,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 04:53:32,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 04:53:32,001 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 160 [2021-03-25 04:53:32,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 27 transitions, 272 flow. Second operand has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:32,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:32,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 160 [2021-03-25 04:53:32,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:32,321 INFO L129 PetriNetUnfolder]: 9/50 cut-off events. [2021-03-25 04:53:32,321 INFO L130 PetriNetUnfolder]: For 244/245 co-relation queries the response was YES. [2021-03-25 04:53:32,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 50 events. 9/50 cut-off events. For 244/245 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 146 event pairs, 0 based on Foata normal form. 3/53 useless extension candidates. Maximal degree in co-relation 272. Up to 27 conditions per place. [2021-03-25 04:53:32,322 INFO L132 encePairwiseOnDemand]: 151/160 looper letters, 8 selfloop transitions, 13 changer transitions 3/30 dead transitions. [2021-03-25 04:53:32,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 30 transitions, 353 flow [2021-03-25 04:53:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:53:32,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:53:32,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 794 transitions. [2021-03-25 04:53:32,325 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6203125 [2021-03-25 04:53:32,325 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 794 transitions. [2021-03-25 04:53:32,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 794 transitions. [2021-03-25 04:53:32,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:32,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 794 transitions. [2021-03-25 04:53:32,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 99.25) internal successors, (794), 8 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:32,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 160.0) internal successors, (1440), 9 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:32,329 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 160.0) internal successors, (1440), 9 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:32,330 INFO L185 Difference]: Start difference. First operand has 45 places, 27 transitions, 272 flow. Second operand 8 states and 794 transitions. [2021-03-25 04:53:32,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 30 transitions, 353 flow [2021-03-25 04:53:32,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 30 transitions, 284 flow, removed 23 selfloop flow, removed 12 redundant places. [2021-03-25 04:53:32,332 INFO L241 Difference]: Finished difference. Result has 41 places, 27 transitions, 246 flow [2021-03-25 04:53:32,332 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=246, PETRI_PLACES=41, PETRI_TRANSITIONS=27} [2021-03-25 04:53:32,332 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2021-03-25 04:53:32,332 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:32,332 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 27 transitions, 246 flow [2021-03-25 04:53:32,333 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 27 transitions, 246 flow [2021-03-25 04:53:32,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 27 transitions, 246 flow [2021-03-25 04:53:32,340 INFO L129 PetriNetUnfolder]: 7/38 cut-off events. [2021-03-25 04:53:32,340 INFO L130 PetriNetUnfolder]: For 103/103 co-relation queries the response was YES. [2021-03-25 04:53:32,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 38 events. 7/38 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 76 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 169. Up to 22 conditions per place. [2021-03-25 04:53:32,341 INFO L142 LiptonReduction]: Number of co-enabled transitions 22 [2021-03-25 04:53:32,453 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-25 04:53:32,699 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:53:32,853 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:53:33,123 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:53:33,254 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:53:33,257 INFO L154 LiptonReduction]: Checked pairs total: 60 [2021-03-25 04:53:33,257 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:53:33,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 925 [2021-03-25 04:53:33,258 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 26 transitions, 244 flow [2021-03-25 04:53:33,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:33,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:33,259 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:33,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 04:53:33,259 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:33,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:33,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1762060962, now seen corresponding path program 1 times [2021-03-25 04:53:33,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:33,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054443416] [2021-03-25 04:53:33,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:33,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:33,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 04:53:33,348 INFO L142 QuantifierPusher]: treesize reduction 29, result has 62.8 percent of original size [2021-03-25 04:53:33,349 INFO L147 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size 41 [2021-03-25 04:53:33,380 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.7 percent of original size [2021-03-25 04:53:33,381 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size 30 [2021-03-25 04:53:33,419 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-25 04:53:33,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 04:53:33,440 INFO L142 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-03-25 04:53:33,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-25 04:53:33,486 INFO L142 QuantifierPusher]: treesize reduction 39, result has 70.0 percent of original size [2021-03-25 04:53:33,488 INFO L147 QuantifierPusher]: treesize reduction 8, result has 91.2 percent of original size 83 [2021-03-25 04:53:33,544 INFO L142 QuantifierPusher]: treesize reduction 17, result has 77.9 percent of original size [2021-03-25 04:53:33,545 INFO L147 QuantifierPusher]: treesize reduction 9, result has 85.0 percent of original size 51 [2021-03-25 04:53:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:33,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054443416] [2021-03-25 04:53:33,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:33,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 04:53:33,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473654870] [2021-03-25 04:53:33,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 04:53:33,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:33,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 04:53:33,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-25 04:53:33,600 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 162 [2021-03-25 04:53:33,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 26 transitions, 244 flow. Second operand has 9 states, 9 states have (on average 92.88888888888889) internal successors, (836), 9 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:33,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:33,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 162 [2021-03-25 04:53:33,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:33,912 INFO L129 PetriNetUnfolder]: 7/39 cut-off events. [2021-03-25 04:53:33,912 INFO L130 PetriNetUnfolder]: For 119/119 co-relation queries the response was YES. [2021-03-25 04:53:33,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 39 events. 7/39 cut-off events. For 119/119 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 94 event pairs, 0 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 203. Up to 23 conditions per place. [2021-03-25 04:53:33,913 INFO L132 encePairwiseOnDemand]: 154/162 looper letters, 12 selfloop transitions, 11 changer transitions 1/29 dead transitions. [2021-03-25 04:53:33,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 29 transitions, 317 flow [2021-03-25 04:53:33,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:53:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:53:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 661 transitions. [2021-03-25 04:53:33,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5828924162257496 [2021-03-25 04:53:33,916 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 661 transitions. [2021-03-25 04:53:33,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 661 transitions. [2021-03-25 04:53:33,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:33,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 661 transitions. [2021-03-25 04:53:33,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 94.42857142857143) internal successors, (661), 7 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:33,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:33,919 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:33,919 INFO L185 Difference]: Start difference. First operand has 40 places, 26 transitions, 244 flow. Second operand 7 states and 661 transitions. [2021-03-25 04:53:33,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 29 transitions, 317 flow [2021-03-25 04:53:33,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 29 transitions, 286 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-25 04:53:33,921 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 262 flow [2021-03-25 04:53:33,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=262, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-03-25 04:53:33,921 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2021-03-25 04:53:33,921 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:33,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 28 transitions, 262 flow [2021-03-25 04:53:33,922 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 28 transitions, 262 flow [2021-03-25 04:53:33,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 28 transitions, 262 flow [2021-03-25 04:53:33,929 INFO L129 PetriNetUnfolder]: 7/39 cut-off events. [2021-03-25 04:53:33,929 INFO L130 PetriNetUnfolder]: For 128/128 co-relation queries the response was YES. [2021-03-25 04:53:33,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 39 events. 7/39 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 89 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 180. Up to 20 conditions per place. [2021-03-25 04:53:33,930 INFO L142 LiptonReduction]: Number of co-enabled transitions 18 [2021-03-25 04:53:33,931 INFO L154 LiptonReduction]: Checked pairs total: 28 [2021-03-25 04:53:33,931 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:33,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 04:53:33,932 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 262 flow [2021-03-25 04:53:33,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 92.88888888888889) internal successors, (836), 9 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:33,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:33,933 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:33,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 04:53:33,933 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:33,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:33,933 INFO L82 PathProgramCache]: Analyzing trace with hash -254056417, now seen corresponding path program 1 times [2021-03-25 04:53:33,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:33,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372574889] [2021-03-25 04:53:33,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:34,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:34,016 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-03-25 04:53:34,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 04:53:34,039 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 04:53:34,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:34,051 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 04:53:34,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:34,053 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.9 percent of original size [2021-03-25 04:53:34,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 04:53:34,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:34,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:53:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:34,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372574889] [2021-03-25 04:53:34,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:34,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:53:34,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298195094] [2021-03-25 04:53:34,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:53:34,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:34,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:53:34,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:53:34,106 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 162 [2021-03-25 04:53:34,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 262 flow. Second operand has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:34,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:34,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 162 [2021-03-25 04:53:34,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:34,352 INFO L129 PetriNetUnfolder]: 4/36 cut-off events. [2021-03-25 04:53:34,353 INFO L130 PetriNetUnfolder]: For 134/134 co-relation queries the response was YES. [2021-03-25 04:53:34,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 36 events. 4/36 cut-off events. For 134/134 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 81 event pairs, 0 based on Foata normal form. 3/39 useless extension candidates. Maximal degree in co-relation 179. Up to 16 conditions per place. [2021-03-25 04:53:34,353 INFO L132 encePairwiseOnDemand]: 154/162 looper letters, 7 selfloop transitions, 12 changer transitions 6/30 dead transitions. [2021-03-25 04:53:34,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 30 transitions, 326 flow [2021-03-25 04:53:34,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:53:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:53:34,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 686 transitions. [2021-03-25 04:53:34,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6049382716049383 [2021-03-25 04:53:34,356 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 686 transitions. [2021-03-25 04:53:34,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 686 transitions. [2021-03-25 04:53:34,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:34,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 686 transitions. [2021-03-25 04:53:34,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 98.0) internal successors, (686), 7 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:34,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:34,359 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:34,359 INFO L185 Difference]: Start difference. First operand has 42 places, 28 transitions, 262 flow. Second operand 7 states and 686 transitions. [2021-03-25 04:53:34,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 30 transitions, 326 flow [2021-03-25 04:53:34,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 30 transitions, 278 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-25 04:53:34,361 INFO L241 Difference]: Finished difference. Result has 45 places, 24 transitions, 219 flow [2021-03-25 04:53:34,361 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=219, PETRI_PLACES=45, PETRI_TRANSITIONS=24} [2021-03-25 04:53:34,361 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2021-03-25 04:53:34,362 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:34,362 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 24 transitions, 219 flow [2021-03-25 04:53:34,362 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 24 transitions, 219 flow [2021-03-25 04:53:34,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 24 transitions, 219 flow [2021-03-25 04:53:34,368 INFO L129 PetriNetUnfolder]: 3/28 cut-off events. [2021-03-25 04:53:34,368 INFO L130 PetriNetUnfolder]: For 94/94 co-relation queries the response was YES. [2021-03-25 04:53:34,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 28 events. 3/28 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 126. Up to 10 conditions per place. [2021-03-25 04:53:34,369 INFO L142 LiptonReduction]: Number of co-enabled transitions 14 [2021-03-25 04:53:35,862 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 269 DAG size of output: 210 [2021-03-25 04:53:36,304 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-03-25 04:53:38,630 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 377 DAG size of output: 313 [2021-03-25 04:53:39,528 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-03-25 04:53:39,532 INFO L154 LiptonReduction]: Checked pairs total: 28 [2021-03-25 04:53:39,533 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:53:39,533 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5171 [2021-03-25 04:53:39,533 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 23 transitions, 215 flow [2021-03-25 04:53:39,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:39,533 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:39,533 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:39,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 04:53:39,534 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:39,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:39,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1928634029, now seen corresponding path program 1 times [2021-03-25 04:53:39,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:39,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870009201] [2021-03-25 04:53:39,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:39,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:39,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:53:39,607 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-25 04:53:39,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 04:53:39,623 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-03-25 04:53:39,623 INFO L147 QuantifierPusher]: treesize reduction 8, result has 73.3 percent of original size 22 [2021-03-25 04:53:39,629 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 04:53:39,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 04:53:39,644 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-25 04:53:39,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 04:53:39,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:39,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 04:53:39,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:39,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 04:53:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:39,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870009201] [2021-03-25 04:53:39,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:39,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:53:39,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987883234] [2021-03-25 04:53:39,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:53:39,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:39,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:53:39,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:53:39,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 163 [2021-03-25 04:53:39,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 23 transitions, 215 flow. Second operand has 8 states, 8 states have (on average 98.125) internal successors, (785), 8 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:39,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:39,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 163 [2021-03-25 04:53:39,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:39,954 INFO L129 PetriNetUnfolder]: 2/27 cut-off events. [2021-03-25 04:53:39,954 INFO L130 PetriNetUnfolder]: For 114/114 co-relation queries the response was YES. [2021-03-25 04:53:39,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 27 events. 2/27 cut-off events. For 114/114 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 0 based on Foata normal form. 2/29 useless extension candidates. Maximal degree in co-relation 133. Up to 9 conditions per place. [2021-03-25 04:53:39,954 INFO L132 encePairwiseOnDemand]: 157/163 looper letters, 0 selfloop transitions, 0 changer transitions 23/23 dead transitions. [2021-03-25 04:53:39,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 23 transitions, 239 flow [2021-03-25 04:53:39,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:53:39,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:53:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 694 transitions. [2021-03-25 04:53:39,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6082383873794917 [2021-03-25 04:53:39,957 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 694 transitions. [2021-03-25 04:53:39,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 694 transitions. [2021-03-25 04:53:39,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:39,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 694 transitions. [2021-03-25 04:53:39,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 99.14285714285714) internal successors, (694), 7 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:39,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 163.0) internal successors, (1304), 8 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:39,960 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 163.0) internal successors, (1304), 8 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:39,960 INFO L185 Difference]: Start difference. First operand has 44 places, 23 transitions, 215 flow. Second operand 7 states and 694 transitions. [2021-03-25 04:53:39,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 23 transitions, 239 flow [2021-03-25 04:53:39,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 23 transitions, 176 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-25 04:53:39,961 INFO L241 Difference]: Finished difference. Result has 37 places, 0 transitions, 0 flow [2021-03-25 04:53:39,961 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=37, PETRI_TRANSITIONS=0} [2021-03-25 04:53:39,962 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-25 04:53:39,962 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:39,962 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 0 transitions, 0 flow [2021-03-25 04:53:39,962 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 0 transitions, 0 flow [2021-03-25 04:53:39,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 04:53:39,962 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 04:53:39,962 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:53:39,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-25 04:53:39,962 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 04:53:39,962 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 04:53:39,963 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:39,963 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-25 04:53:39,963 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 04:53:39,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 98.125) internal successors, (785), 8 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:39,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 04:53:39,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:53:39 BasicIcfg [2021-03-25 04:53:39,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:53:39,967 INFO L168 Benchmark]: Toolchain (without parser) took 38929.07 ms. Allocated memory was 255.9 MB in the beginning and 994.1 MB in the end (delta: 738.2 MB). Free memory was 234.6 MB in the beginning and 837.5 MB in the end (delta: -602.9 MB). Peak memory consumption was 137.7 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:39,967 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:53:39,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.13 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.6 MB in the beginning and 313.5 MB in the end (delta: -78.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:39,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.78 ms. Allocated memory is still 356.5 MB. Free memory was 313.5 MB in the beginning and 310.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:39,967 INFO L168 Benchmark]: Boogie Preprocessor took 53.89 ms. Allocated memory is still 356.5 MB. Free memory was 310.2 MB in the beginning and 307.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:39,967 INFO L168 Benchmark]: RCFGBuilder took 3088.48 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 307.2 MB in the beginning and 315.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 91.8 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:39,967 INFO L168 Benchmark]: TraceAbstraction took 35193.42 ms. Allocated memory was 427.8 MB in the beginning and 994.1 MB in the end (delta: 566.2 MB). Free memory was 314.1 MB in the beginning and 837.5 MB in the end (delta: -523.4 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:39,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 528.13 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.6 MB in the beginning and 313.5 MB in the end (delta: -78.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.78 ms. Allocated memory is still 356.5 MB. Free memory was 313.5 MB in the beginning and 310.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 53.89 ms. Allocated memory is still 356.5 MB. Free memory was 310.2 MB in the beginning and 307.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3088.48 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 307.2 MB in the beginning and 315.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 91.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 35193.42 ms. Allocated memory was 427.8 MB in the beginning and 994.1 MB in the end (delta: 566.2 MB). Free memory was 314.1 MB in the beginning and 837.5 MB in the end (delta: -523.4 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6937.3ms, 88 PlacesBefore, 38 PlacesAfterwards, 83 TransitionsBefore, 32 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 4 FixpointIterations, 25 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 1902 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 932, positive: 867, positive conditional: 0, positive unconditional: 867, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 555, positive: 533, positive conditional: 0, positive unconditional: 533, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 555, positive: 533, positive conditional: 0, positive unconditional: 533, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 932, positive: 334, positive conditional: 0, positive unconditional: 334, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 555, unknown conditional: 0, unknown unconditional: 555] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4258.7ms, 37 PlacesBefore, 28 PlacesAfterwards, 30 TransitionsBefore, 21 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 674 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 150, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 34, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 150, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 34, unknown conditional: 0, unknown unconditional: 34] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 981.3ms, 31 PlacesBefore, 25 PlacesAfterwards, 19 TransitionsBefore, 17 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 480 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.2ms, 30 PlacesBefore, 28 PlacesAfterwards, 20 TransitionsBefore, 19 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 280 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 60, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.4ms, 32 PlacesBefore, 32 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 66 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.5ms, 35 PlacesBefore, 35 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 132 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 94 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.9ms, 40 PlacesBefore, 40 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 49 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 15, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.6ms, 43 PlacesBefore, 43 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 66 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.9ms, 51 PlacesBefore, 50 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 81 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.9ms, 52 PlacesBefore, 49 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 102 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 92 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 17, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.8ms, 52 PlacesBefore, 52 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 123 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 795.2ms, 59 PlacesBefore, 57 PlacesAfterwards, 44 TransitionsBefore, 43 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 307 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 44, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.5ms, 64 PlacesBefore, 62 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 32, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.5ms, 61 PlacesBefore, 58 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 62 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 78 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 32, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3001.6ms, 61 PlacesBefore, 55 PlacesAfterwards, 32 TransitionsBefore, 31 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 139 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2494.0ms, 53 PlacesBefore, 52 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 44 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1480.7ms, 54 PlacesBefore, 45 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 108 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 924.6ms, 41 PlacesBefore, 40 PlacesAfterwards, 27 TransitionsBefore, 26 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.8ms, 42 PlacesBefore, 42 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 28 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5170.7ms, 45 PlacesBefore, 44 PlacesAfterwards, 24 TransitionsBefore, 23 TransitionsAfterwards, 14 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 28 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 15, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 37 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 15, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 35024.8ms, OverallIterations: 20, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4121.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7002.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 98 SDtfs, 95 SDslu, 99 SDs, 0 SdLazy, 1237 SolverSat, 363 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1742.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 2630.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=457occurred in iteration=12, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 68.5ms SsaConstructionTime, 914.2ms SatisfiabilityAnalysisTime, 3094.4ms InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 3006 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...