/usr/bin/java -Xmx8000000000 -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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 07:25:24,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 07:25:24,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 07:25:24,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 07:25:24,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 07:25:24,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 07:25:24,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 07:25:24,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 07:25:24,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 07:25:24,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 07:25:24,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 07:25:24,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 07:25:24,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 07:25:24,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 07:25:24,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 07:25:24,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 07:25:24,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 07:25:24,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 07:25:24,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 07:25:24,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 07:25:24,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 07:25:24,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 07:25:24,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 07:25:24,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 07:25:24,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-13 07:25:24,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-13 07:25:24,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-13 07:25:24,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-13 07:25:24,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-13 07:25:24,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-13 07:25:24,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 07:25:24,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 07:25:24,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 07:25:24,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 07:25:24,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 07:25:24,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 07:25:24,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 07:25:24,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 07:25:24,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 07:25:24,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 07:25:24,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 07:25:24,622 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-NoLbe.epf [2021-06-13 07:25:24,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 07:25:24,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 07:25:24,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 07:25:24,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 07:25:24,670 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 07:25:24,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 07:25:24,671 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 07:25:24,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 07:25:24,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 07:25:24,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 07:25:24,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 07:25:24,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 07:25:24,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 07:25:24,673 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 07:25:24,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 07:25:24,673 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 07:25:24,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 07:25:24,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 07:25:24,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 07:25:24,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 07:25:24,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 07:25:24,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 07:25:24,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 07:25:24,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 07:25:24,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 07:25:24,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 07:25:24,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 07:25:24,675 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 07:25:24,675 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-13 07:25:24,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 07:25:24,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 07:25:24,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 07:25:24,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 07:25:24,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 07:25:24,994 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 07:25:24,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.opt.i [2021-06-13 07:25:25,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441594ae2/900b32c69b4e4d4eaeba85a4bad902f3/FLAGacaf2a022 [2021-06-13 07:25:25,488 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 07:25:25,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_power.opt.i [2021-06-13 07:25:25,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441594ae2/900b32c69b4e4d4eaeba85a4bad902f3/FLAGacaf2a022 [2021-06-13 07:25:25,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441594ae2/900b32c69b4e4d4eaeba85a4bad902f3 [2021-06-13 07:25:25,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 07:25:25,850 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 07:25:25,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 07:25:25,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 07:25:25,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 07:25:25,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:25:25" (1/1) ... [2021-06-13 07:25:25,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3ad67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:25, skipping insertion in model container [2021-06-13 07:25:25,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:25:25" (1/1) ... [2021-06-13 07:25:25,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 07:25:25,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 07:25:26,109 WARN L224 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] [2021-06-13 07:25:26,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 07:25:26,329 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 07:25:26,340 WARN L224 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] [2021-06-13 07:25:26,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 07:25:26,484 INFO L208 MainTranslator]: Completed translation [2021-06-13 07:25:26,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26 WrapperNode [2021-06-13 07:25:26,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 07:25:26,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 07:25:26,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 07:25:26,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 07:25:26,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (1/1) ... [2021-06-13 07:25:26,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (1/1) ... [2021-06-13 07:25:26,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 07:25:26,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 07:25:26,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 07:25:26,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 07:25:26,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (1/1) ... [2021-06-13 07:25:26,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (1/1) ... [2021-06-13 07:25:26,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (1/1) ... [2021-06-13 07:25:26,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (1/1) ... [2021-06-13 07:25:26,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (1/1) ... [2021-06-13 07:25:26,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (1/1) ... [2021-06-13 07:25:26,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (1/1) ... [2021-06-13 07:25:26,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 07:25:26,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 07:25:26,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 07:25:26,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 07:25:26,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (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 [2021-06-13 07:25:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 07:25:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 07:25:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 07:25:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 07:25:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-13 07:25:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-13 07:25:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-13 07:25:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-13 07:25:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 07:25:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 07:25:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 07:25:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 07:25:26,710 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 07:25:29,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 07:25:29,573 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-13 07:25:29,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:25:29 BoogieIcfgContainer [2021-06-13 07:25:29,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 07:25:29,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 07:25:29,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 07:25:29,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 07:25:29,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 07:25:25" (1/3) ... [2021-06-13 07:25:29,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4457203a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:25:29, skipping insertion in model container [2021-06-13 07:25:29,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:25:26" (2/3) ... [2021-06-13 07:25:29,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4457203a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:25:29, skipping insertion in model container [2021-06-13 07:25:29,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:25:29" (3/3) ... [2021-06-13 07:25:29,582 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_power.opt.i [2021-06-13 07:25:29,588 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 07:25:29,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-13 07:25:29,588 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 07:25:29,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,660 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,660 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,660 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,661 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,672 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,672 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,672 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,672 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,672 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,672 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,672 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,691 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,703 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,705 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,717 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,718 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,720 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,720 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,720 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:25:29,729 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 07:25:29,749 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-13 07:25:29,764 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 07:25:29,764 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 07:25:29,764 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 07:25:29,764 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 07:25:29,764 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 07:25:29,764 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 07:25:29,765 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 07:25:29,765 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P1======== [2021-06-13 07:25:29,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 192 flow [2021-06-13 07:25:29,799 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2021-06-13 07:25:29,799 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:25:29,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2021-06-13 07:25:29,802 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 91 transitions, 192 flow [2021-06-13 07:25:29,804 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-06-13 07:25:29,804 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-13 07:25:29,805 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:25:29,805 INFO L301 ceAbstractionStarter]: Result for error location P1 was SAFE (1/3) [2021-06-13 07:25:29,807 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-13 07:25:29,809 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 07:25:29,809 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 07:25:29,809 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 07:25:29,809 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 07:25:29,809 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 07:25:29,809 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 07:25:29,809 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 07:25:29,809 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 07:25:29,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 192 flow [2021-06-13 07:25:29,830 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2021-06-13 07:25:29,831 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:25:29,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2021-06-13 07:25:29,831 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 91 transitions, 192 flow [2021-06-13 07:25:29,833 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 79 transitions, 164 flow [2021-06-13 07:25:29,849 INFO L129 PetriNetUnfolder]: 1/78 cut-off events. [2021-06-13 07:25:29,850 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:25:29,850 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:29,850 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:29,851 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:29,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:29,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1352545111, now seen corresponding path program 1 times [2021-06-13 07:25:29,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:29,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58600031] [2021-06-13 07:25:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:30,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:30,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:30,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:30,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:30,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:30,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:30,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:30,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:30,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:30,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:30,326 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-06-13 07:25:30,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-13 07:25:30,346 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:30,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:30,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:30,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:30,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:30,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:30,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:30,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:30,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:30,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58600031] [2021-06-13 07:25:30,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58600031] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:30,394 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:30,394 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-13 07:25:30,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656285208] [2021-06-13 07:25:30,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-13 07:25:30,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:30,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-13 07:25:30,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-13 07:25:30,418 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 91 [2021-06-13 07:25:30,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 79 transitions, 164 flow. Second operand has 10 states, 10 states have (on average 69.1) internal successors, (691), 10 states have internal predecessors, (691), 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) [2021-06-13 07:25:30,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:30,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 91 [2021-06-13 07:25:30,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:30,923 INFO L129 PetriNetUnfolder]: 353/767 cut-off events. [2021-06-13 07:25:30,923 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:25:30,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1386 conditions, 767 events. 353/767 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4297 event pairs, 213 based on Foata normal form. 34/733 useless extension candidates. Maximal degree in co-relation 1337. Up to 378 conditions per place. [2021-06-13 07:25:30,929 INFO L132 encePairwiseOnDemand]: 78/91 looper letters, 17 selfloop transitions, 8 changer transitions 47/131 dead transitions. [2021-06-13 07:25:30,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 131 transitions, 412 flow [2021-06-13 07:25:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 07:25:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-13 07:25:30,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1102 transitions. [2021-06-13 07:25:30,951 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8073260073260073 [2021-06-13 07:25:30,952 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1102 transitions. [2021-06-13 07:25:30,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1102 transitions. [2021-06-13 07:25:30,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:30,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1102 transitions. [2021-06-13 07:25:30,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 73.46666666666667) internal successors, (1102), 15 states have internal predecessors, (1102), 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) [2021-06-13 07:25:30,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 91.0) internal successors, (1456), 16 states have internal predecessors, (1456), 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) [2021-06-13 07:25:30,974 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 91.0) internal successors, (1456), 16 states have internal predecessors, (1456), 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) [2021-06-13 07:25:30,975 INFO L185 Difference]: Start difference. First operand has 85 places, 79 transitions, 164 flow. Second operand 15 states and 1102 transitions. [2021-06-13 07:25:30,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 131 transitions, 412 flow [2021-06-13 07:25:30,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 131 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-13 07:25:30,984 INFO L241 Difference]: Finished difference. Result has 108 places, 82 transitions, 240 flow [2021-06-13 07:25:30,985 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=240, PETRI_PLACES=108, PETRI_TRANSITIONS=82} [2021-06-13 07:25:30,986 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 23 predicate places. [2021-06-13 07:25:30,986 INFO L482 AbstractCegarLoop]: Abstraction has has 108 places, 82 transitions, 240 flow [2021-06-13 07:25:30,987 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 69.1) internal successors, (691), 10 states have internal predecessors, (691), 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) [2021-06-13 07:25:30,987 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:30,987 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:30,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 07:25:30,988 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:30,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:30,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1057997448, now seen corresponding path program 1 times [2021-06-13 07:25:30,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:30,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567311859] [2021-06-13 07:25:30,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:31,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:31,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:31,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:31,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:31,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:31,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:31,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:31,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:31,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:31,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:31,162 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size [2021-06-13 07:25:31,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-13 07:25:31,181 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:31,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:31,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:31,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:31,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:31,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:31,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:31,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:31,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:31,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:31,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567311859] [2021-06-13 07:25:31,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567311859] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:31,223 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:31,223 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-13 07:25:31,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565609329] [2021-06-13 07:25:31,224 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-13 07:25:31,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:31,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-13 07:25:31,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-06-13 07:25:31,228 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 91 [2021-06-13 07:25:31,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 82 transitions, 240 flow. Second operand has 10 states, 10 states have (on average 69.2) internal successors, (692), 10 states have internal predecessors, (692), 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) [2021-06-13 07:25:31,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:31,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 91 [2021-06-13 07:25:31,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:31,879 INFO L129 PetriNetUnfolder]: 236/597 cut-off events. [2021-06-13 07:25:31,879 INFO L130 PetriNetUnfolder]: For 988/1009 co-relation queries the response was YES. [2021-06-13 07:25:31,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1627 conditions, 597 events. 236/597 cut-off events. For 988/1009 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2962 event pairs, 49 based on Foata normal form. 20/601 useless extension candidates. Maximal degree in co-relation 1563. Up to 241 conditions per place. [2021-06-13 07:25:31,886 INFO L132 encePairwiseOnDemand]: 79/91 looper letters, 21 selfloop transitions, 9 changer transitions 44/133 dead transitions. [2021-06-13 07:25:31,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 133 transitions, 606 flow [2021-06-13 07:25:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 07:25:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-13 07:25:31,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1171 transitions. [2021-06-13 07:25:31,890 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8042582417582418 [2021-06-13 07:25:31,890 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1171 transitions. [2021-06-13 07:25:31,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1171 transitions. [2021-06-13 07:25:31,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:31,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1171 transitions. [2021-06-13 07:25:31,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 73.1875) internal successors, (1171), 16 states have internal predecessors, (1171), 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) [2021-06-13 07:25:31,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 91.0) internal successors, (1547), 17 states have internal predecessors, (1547), 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) [2021-06-13 07:25:31,897 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 91.0) internal successors, (1547), 17 states have internal predecessors, (1547), 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) [2021-06-13 07:25:31,897 INFO L185 Difference]: Start difference. First operand has 108 places, 82 transitions, 240 flow. Second operand 16 states and 1171 transitions. [2021-06-13 07:25:31,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 133 transitions, 606 flow [2021-06-13 07:25:31,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 133 transitions, 568 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-06-13 07:25:31,908 INFO L241 Difference]: Finished difference. Result has 119 places, 84 transitions, 287 flow [2021-06-13 07:25:31,908 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=287, PETRI_PLACES=119, PETRI_TRANSITIONS=84} [2021-06-13 07:25:31,908 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 34 predicate places. [2021-06-13 07:25:31,908 INFO L482 AbstractCegarLoop]: Abstraction has has 119 places, 84 transitions, 287 flow [2021-06-13 07:25:31,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 69.2) internal successors, (692), 10 states have internal predecessors, (692), 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) [2021-06-13 07:25:31,909 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:31,909 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:31,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 07:25:31,909 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:31,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:31,910 INFO L82 PathProgramCache]: Analyzing trace with hash -180849910, now seen corresponding path program 1 times [2021-06-13 07:25:31,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:31,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450193474] [2021-06-13 07:25:31,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:32,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:32,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:32,054 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:32,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:32,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:32,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:32,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:32,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:32,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450193474] [2021-06-13 07:25:32,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450193474] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:32,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:32,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 07:25:32,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10406291] [2021-06-13 07:25:32,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 07:25:32,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:32,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 07:25:32,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 07:25:32,096 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 91 [2021-06-13 07:25:32,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 84 transitions, 287 flow. Second operand has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 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) [2021-06-13 07:25:32,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:32,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 91 [2021-06-13 07:25:32,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:32,237 INFO L129 PetriNetUnfolder]: 41/214 cut-off events. [2021-06-13 07:25:32,237 INFO L130 PetriNetUnfolder]: For 669/673 co-relation queries the response was YES. [2021-06-13 07:25:32,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 214 events. 41/214 cut-off events. For 669/673 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 702 event pairs, 14 based on Foata normal form. 7/218 useless extension candidates. Maximal degree in co-relation 591. Up to 34 conditions per place. [2021-06-13 07:25:32,239 INFO L132 encePairwiseOnDemand]: 85/91 looper letters, 6 selfloop transitions, 2 changer transitions 10/94 dead transitions. [2021-06-13 07:25:32,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 94 transitions, 391 flow [2021-06-13 07:25:32,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 07:25:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-13 07:25:32,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 731 transitions. [2021-06-13 07:25:32,241 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8925518925518926 [2021-06-13 07:25:32,242 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 731 transitions. [2021-06-13 07:25:32,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 731 transitions. [2021-06-13 07:25:32,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:32,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 731 transitions. [2021-06-13 07:25:32,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 81.22222222222223) internal successors, (731), 9 states have internal predecessors, (731), 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) [2021-06-13 07:25:32,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 91.0) internal successors, (910), 10 states have internal predecessors, (910), 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) [2021-06-13 07:25:32,245 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 91.0) internal successors, (910), 10 states have internal predecessors, (910), 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) [2021-06-13 07:25:32,245 INFO L185 Difference]: Start difference. First operand has 119 places, 84 transitions, 287 flow. Second operand 9 states and 731 transitions. [2021-06-13 07:25:32,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 94 transitions, 391 flow [2021-06-13 07:25:32,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 94 transitions, 326 flow, removed 27 selfloop flow, removed 13 redundant places. [2021-06-13 07:25:32,249 INFO L241 Difference]: Finished difference. Result has 112 places, 84 transitions, 266 flow [2021-06-13 07:25:32,249 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=266, PETRI_PLACES=112, PETRI_TRANSITIONS=84} [2021-06-13 07:25:32,249 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 27 predicate places. [2021-06-13 07:25:32,250 INFO L482 AbstractCegarLoop]: Abstraction has has 112 places, 84 transitions, 266 flow [2021-06-13 07:25:32,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 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) [2021-06-13 07:25:32,250 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:32,250 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:32,250 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 07:25:32,250 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:32,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:32,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1728577881, now seen corresponding path program 1 times [2021-06-13 07:25:32,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:32,251 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562632609] [2021-06-13 07:25:32,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:32,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:32,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:32,326 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:32,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:32,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:32,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:32,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:32,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:32,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562632609] [2021-06-13 07:25:32,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562632609] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:32,358 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:32,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 07:25:32,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304976648] [2021-06-13 07:25:32,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 07:25:32,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:32,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 07:25:32,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 07:25:32,360 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 91 [2021-06-13 07:25:32,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 84 transitions, 266 flow. Second operand has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 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) [2021-06-13 07:25:32,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:32,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 91 [2021-06-13 07:25:32,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:32,495 INFO L129 PetriNetUnfolder]: 29/212 cut-off events. [2021-06-13 07:25:32,495 INFO L130 PetriNetUnfolder]: For 426/428 co-relation queries the response was YES. [2021-06-13 07:25:32,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 212 events. 29/212 cut-off events. For 426/428 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 676 event pairs, 12 based on Foata normal form. 7/216 useless extension candidates. Maximal degree in co-relation 489. Up to 25 conditions per place. [2021-06-13 07:25:32,497 INFO L132 encePairwiseOnDemand]: 85/91 looper letters, 7 selfloop transitions, 5 changer transitions 6/94 dead transitions. [2021-06-13 07:25:32,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 94 transitions, 364 flow [2021-06-13 07:25:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 07:25:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-13 07:25:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 731 transitions. [2021-06-13 07:25:32,499 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8925518925518926 [2021-06-13 07:25:32,500 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 731 transitions. [2021-06-13 07:25:32,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 731 transitions. [2021-06-13 07:25:32,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:32,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 731 transitions. [2021-06-13 07:25:32,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 81.22222222222223) internal successors, (731), 9 states have internal predecessors, (731), 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) [2021-06-13 07:25:32,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 91.0) internal successors, (910), 10 states have internal predecessors, (910), 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) [2021-06-13 07:25:32,503 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 91.0) internal successors, (910), 10 states have internal predecessors, (910), 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) [2021-06-13 07:25:32,503 INFO L185 Difference]: Start difference. First operand has 112 places, 84 transitions, 266 flow. Second operand 9 states and 731 transitions. [2021-06-13 07:25:32,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 94 transitions, 364 flow [2021-06-13 07:25:32,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 94 transitions, 316 flow, removed 19 selfloop flow, removed 10 redundant places. [2021-06-13 07:25:32,507 INFO L241 Difference]: Finished difference. Result has 111 places, 87 transitions, 290 flow [2021-06-13 07:25:32,507 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=290, PETRI_PLACES=111, PETRI_TRANSITIONS=87} [2021-06-13 07:25:32,508 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 26 predicate places. [2021-06-13 07:25:32,508 INFO L482 AbstractCegarLoop]: Abstraction has has 111 places, 87 transitions, 290 flow [2021-06-13 07:25:32,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 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) [2021-06-13 07:25:32,508 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:32,508 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:32,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 07:25:32,509 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:32,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:32,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1096166406, now seen corresponding path program 1 times [2021-06-13 07:25:32,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:32,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697800029] [2021-06-13 07:25:32,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:32,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:32,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:32,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:32,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:32,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:32,661 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-06-13 07:25:32,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-13 07:25:32,678 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-06-13 07:25:32,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-13 07:25:32,707 INFO L142 QuantifierPusher]: treesize reduction 47, result has 59.5 percent of original size [2021-06-13 07:25:32,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-06-13 07:25:32,746 INFO L142 QuantifierPusher]: treesize reduction 37, result has 73.6 percent of original size [2021-06-13 07:25:32,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-13 07:25:32,803 INFO L142 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-06-13 07:25:32,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-06-13 07:25:32,833 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:32,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:32,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:32,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:32,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:32,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:32,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:32,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697800029] [2021-06-13 07:25:32,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697800029] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:32,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:32,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-13 07:25:32,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597414263] [2021-06-13 07:25:32,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-13 07:25:32,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:32,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-13 07:25:32,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-06-13 07:25:32,880 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 91 [2021-06-13 07:25:32,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 87 transitions, 290 flow. Second operand has 13 states, 13 states have (on average 67.3076923076923) internal successors, (875), 13 states have internal predecessors, (875), 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) [2021-06-13 07:25:32,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:32,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 91 [2021-06-13 07:25:32,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:33,538 INFO L129 PetriNetUnfolder]: 179/470 cut-off events. [2021-06-13 07:25:33,539 INFO L130 PetriNetUnfolder]: For 1148/1228 co-relation queries the response was YES. [2021-06-13 07:25:33,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1546 conditions, 470 events. 179/470 cut-off events. For 1148/1228 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2063 event pairs, 24 based on Foata normal form. 12/467 useless extension candidates. Maximal degree in co-relation 1475. Up to 211 conditions per place. [2021-06-13 07:25:33,542 INFO L132 encePairwiseOnDemand]: 79/91 looper letters, 28 selfloop transitions, 12 changer transitions 33/130 dead transitions. [2021-06-13 07:25:33,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 130 transitions, 700 flow [2021-06-13 07:25:33,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 07:25:33,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-13 07:25:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 986 transitions. [2021-06-13 07:25:33,545 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7739403453689168 [2021-06-13 07:25:33,545 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 986 transitions. [2021-06-13 07:25:33,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 986 transitions. [2021-06-13 07:25:33,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:33,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 986 transitions. [2021-06-13 07:25:33,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 70.42857142857143) internal successors, (986), 14 states have internal predecessors, (986), 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) [2021-06-13 07:25:33,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 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) [2021-06-13 07:25:33,550 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 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) [2021-06-13 07:25:33,550 INFO L185 Difference]: Start difference. First operand has 111 places, 87 transitions, 290 flow. Second operand 14 states and 986 transitions. [2021-06-13 07:25:33,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 130 transitions, 700 flow [2021-06-13 07:25:33,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 130 transitions, 679 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-06-13 07:25:33,556 INFO L241 Difference]: Finished difference. Result has 124 places, 87 transitions, 321 flow [2021-06-13 07:25:33,556 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=321, PETRI_PLACES=124, PETRI_TRANSITIONS=87} [2021-06-13 07:25:33,556 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 39 predicate places. [2021-06-13 07:25:33,556 INFO L482 AbstractCegarLoop]: Abstraction has has 124 places, 87 transitions, 321 flow [2021-06-13 07:25:33,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 67.3076923076923) internal successors, (875), 13 states have internal predecessors, (875), 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) [2021-06-13 07:25:33,557 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:33,557 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:33,557 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 07:25:33,557 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:33,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:33,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1247407500, now seen corresponding path program 2 times [2021-06-13 07:25:33,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:33,558 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977058306] [2021-06-13 07:25:33,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:33,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:33,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:33,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:33,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:33,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:33,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:33,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:33,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:33,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:33,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:33,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:33,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 07:25:33,765 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-06-13 07:25:33,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-13 07:25:33,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:33,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:33,797 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-06-13 07:25:33,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-13 07:25:33,820 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.9 percent of original size [2021-06-13 07:25:33,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-13 07:25:33,829 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:33,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:33,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:33,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:33,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:33,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:33,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:33,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977058306] [2021-06-13 07:25:33,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977058306] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:33,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:33,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-13 07:25:33,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257557781] [2021-06-13 07:25:33,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-13 07:25:33,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:33,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-13 07:25:33,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-06-13 07:25:33,886 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 91 [2021-06-13 07:25:33,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 87 transitions, 321 flow. Second operand has 13 states, 13 states have (on average 68.23076923076923) internal successors, (887), 13 states have internal predecessors, (887), 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) [2021-06-13 07:25:33,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:33,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 91 [2021-06-13 07:25:33,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:34,246 INFO L129 PetriNetUnfolder]: 131/415 cut-off events. [2021-06-13 07:25:34,246 INFO L130 PetriNetUnfolder]: For 1891/2119 co-relation queries the response was YES. [2021-06-13 07:25:34,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 415 events. 131/415 cut-off events. For 1891/2119 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1907 event pairs, 18 based on Foata normal form. 22/418 useless extension candidates. Maximal degree in co-relation 1351. Up to 158 conditions per place. [2021-06-13 07:25:34,250 INFO L132 encePairwiseOnDemand]: 76/91 looper letters, 23 selfloop transitions, 17 changer transitions 22/120 dead transitions. [2021-06-13 07:25:34,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 120 transitions, 708 flow [2021-06-13 07:25:34,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 07:25:34,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-13 07:25:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 994 transitions. [2021-06-13 07:25:34,253 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7802197802197802 [2021-06-13 07:25:34,253 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 994 transitions. [2021-06-13 07:25:34,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 994 transitions. [2021-06-13 07:25:34,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:34,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 994 transitions. [2021-06-13 07:25:34,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 71.0) internal successors, (994), 14 states have internal predecessors, (994), 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) [2021-06-13 07:25:34,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 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) [2021-06-13 07:25:34,258 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 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) [2021-06-13 07:25:34,258 INFO L185 Difference]: Start difference. First operand has 124 places, 87 transitions, 321 flow. Second operand 14 states and 994 transitions. [2021-06-13 07:25:34,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 120 transitions, 708 flow [2021-06-13 07:25:34,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 120 transitions, 563 flow, removed 65 selfloop flow, removed 16 redundant places. [2021-06-13 07:25:34,265 INFO L241 Difference]: Finished difference. Result has 119 places, 93 transitions, 379 flow [2021-06-13 07:25:34,265 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=379, PETRI_PLACES=119, PETRI_TRANSITIONS=93} [2021-06-13 07:25:34,266 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 34 predicate places. [2021-06-13 07:25:34,266 INFO L482 AbstractCegarLoop]: Abstraction has has 119 places, 93 transitions, 379 flow [2021-06-13 07:25:34,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 68.23076923076923) internal successors, (887), 13 states have internal predecessors, (887), 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) [2021-06-13 07:25:34,266 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:34,266 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:34,266 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-13 07:25:34,267 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:34,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:34,267 INFO L82 PathProgramCache]: Analyzing trace with hash -177188460, now seen corresponding path program 3 times [2021-06-13 07:25:34,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:34,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011805058] [2021-06-13 07:25:34,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:34,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:34,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:34,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:34,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:34,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:34,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:34,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:34,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:34,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:34,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:34,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:34,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 07:25:34,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:34,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:34,413 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-06-13 07:25:34,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-13 07:25:34,429 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.9 percent of original size [2021-06-13 07:25:34,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-13 07:25:34,439 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.1 percent of original size [2021-06-13 07:25:34,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-13 07:25:34,465 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:34,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:34,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:34,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:34,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:34,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:34,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:34,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:34,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011805058] [2021-06-13 07:25:34,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011805058] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:34,510 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:34,510 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-13 07:25:34,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173093510] [2021-06-13 07:25:34,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-13 07:25:34,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:34,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-13 07:25:34,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-06-13 07:25:34,511 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 91 [2021-06-13 07:25:34,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 93 transitions, 379 flow. Second operand has 13 states, 13 states have (on average 67.3076923076923) internal successors, (875), 13 states have internal predecessors, (875), 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) [2021-06-13 07:25:34,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:34,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 91 [2021-06-13 07:25:34,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:34,945 INFO L129 PetriNetUnfolder]: 131/402 cut-off events. [2021-06-13 07:25:34,945 INFO L130 PetriNetUnfolder]: For 1765/2028 co-relation queries the response was YES. [2021-06-13 07:25:34,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1534 conditions, 402 events. 131/402 cut-off events. For 1765/2028 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1801 event pairs, 19 based on Foata normal form. 38/421 useless extension candidates. Maximal degree in co-relation 1459. Up to 161 conditions per place. [2021-06-13 07:25:34,949 INFO L132 encePairwiseOnDemand]: 76/91 looper letters, 25 selfloop transitions, 20 changer transitions 22/124 dead transitions. [2021-06-13 07:25:34,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 124 transitions, 830 flow [2021-06-13 07:25:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 07:25:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-13 07:25:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1050 transitions. [2021-06-13 07:25:34,953 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2021-06-13 07:25:34,953 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1050 transitions. [2021-06-13 07:25:34,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1050 transitions. [2021-06-13 07:25:34,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:34,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1050 transitions. [2021-06-13 07:25:34,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 70.0) internal successors, (1050), 15 states have internal predecessors, (1050), 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) [2021-06-13 07:25:34,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 91.0) internal successors, (1456), 16 states have internal predecessors, (1456), 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) [2021-06-13 07:25:34,959 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 91.0) internal successors, (1456), 16 states have internal predecessors, (1456), 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) [2021-06-13 07:25:34,959 INFO L185 Difference]: Start difference. First operand has 119 places, 93 transitions, 379 flow. Second operand 15 states and 1050 transitions. [2021-06-13 07:25:34,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 124 transitions, 830 flow [2021-06-13 07:25:34,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 124 transitions, 796 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-06-13 07:25:34,966 INFO L241 Difference]: Finished difference. Result has 126 places, 96 transitions, 465 flow [2021-06-13 07:25:34,966 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=465, PETRI_PLACES=126, PETRI_TRANSITIONS=96} [2021-06-13 07:25:34,966 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 41 predicate places. [2021-06-13 07:25:34,966 INFO L482 AbstractCegarLoop]: Abstraction has has 126 places, 96 transitions, 465 flow [2021-06-13 07:25:34,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 67.3076923076923) internal successors, (875), 13 states have internal predecessors, (875), 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) [2021-06-13 07:25:34,967 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:34,967 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:34,967 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-13 07:25:34,967 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:34,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:34,967 INFO L82 PathProgramCache]: Analyzing trace with hash -449542262, now seen corresponding path program 4 times [2021-06-13 07:25:34,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:34,968 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574995699] [2021-06-13 07:25:34,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:35,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:35,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:35,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:35,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:35,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:35,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 07:25:35,160 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-06-13 07:25:35,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-13 07:25:35,183 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-06-13 07:25:35,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-13 07:25:35,212 INFO L142 QuantifierPusher]: treesize reduction 36, result has 67.3 percent of original size [2021-06-13 07:25:35,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-06-13 07:25:35,248 INFO L142 QuantifierPusher]: treesize reduction 72, result has 55.0 percent of original size [2021-06-13 07:25:35,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-06-13 07:25:35,275 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:35,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:35,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:35,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:35,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:35,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:35,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:35,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574995699] [2021-06-13 07:25:35,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574995699] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:35,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:35,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-06-13 07:25:35,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252369125] [2021-06-13 07:25:35,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-13 07:25:35,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:35,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-13 07:25:35,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-06-13 07:25:35,318 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 91 [2021-06-13 07:25:35,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 96 transitions, 465 flow. Second operand has 14 states, 14 states have (on average 66.28571428571429) internal successors, (928), 14 states have internal predecessors, (928), 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) [2021-06-13 07:25:35,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:35,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 91 [2021-06-13 07:25:35,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:35,844 INFO L129 PetriNetUnfolder]: 136/420 cut-off events. [2021-06-13 07:25:35,844 INFO L130 PetriNetUnfolder]: For 3609/3887 co-relation queries the response was YES. [2021-06-13 07:25:35,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1969 conditions, 420 events. 136/420 cut-off events. For 3609/3887 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1931 event pairs, 30 based on Foata normal form. 22/421 useless extension candidates. Maximal degree in co-relation 1888. Up to 185 conditions per place. [2021-06-13 07:25:35,848 INFO L132 encePairwiseOnDemand]: 79/91 looper letters, 37 selfloop transitions, 16 changer transitions 19/128 dead transitions. [2021-06-13 07:25:35,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 128 transitions, 1008 flow [2021-06-13 07:25:35,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 07:25:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-13 07:25:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 964 transitions. [2021-06-13 07:25:35,852 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7566718995290423 [2021-06-13 07:25:35,852 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 964 transitions. [2021-06-13 07:25:35,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 964 transitions. [2021-06-13 07:25:35,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:35,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 964 transitions. [2021-06-13 07:25:35,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 68.85714285714286) internal successors, (964), 14 states have internal predecessors, (964), 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) [2021-06-13 07:25:35,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 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) [2021-06-13 07:25:35,857 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 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) [2021-06-13 07:25:35,857 INFO L185 Difference]: Start difference. First operand has 126 places, 96 transitions, 465 flow. Second operand 14 states and 964 transitions. [2021-06-13 07:25:35,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 128 transitions, 1008 flow [2021-06-13 07:25:35,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 128 transitions, 784 flow, removed 91 selfloop flow, removed 16 redundant places. [2021-06-13 07:25:35,864 INFO L241 Difference]: Finished difference. Result has 125 places, 102 transitions, 492 flow [2021-06-13 07:25:35,864 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=492, PETRI_PLACES=125, PETRI_TRANSITIONS=102} [2021-06-13 07:25:35,864 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 40 predicate places. [2021-06-13 07:25:35,865 INFO L482 AbstractCegarLoop]: Abstraction has has 125 places, 102 transitions, 492 flow [2021-06-13 07:25:35,865 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 66.28571428571429) internal successors, (928), 14 states have internal predecessors, (928), 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) [2021-06-13 07:25:35,865 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:35,865 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:35,865 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-13 07:25:35,865 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:35,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:35,866 INFO L82 PathProgramCache]: Analyzing trace with hash 431011222, now seen corresponding path program 5 times [2021-06-13 07:25:35,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:35,866 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527413639] [2021-06-13 07:25:35,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:35,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:35,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:35,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:35,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:35,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:35,968 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.4 percent of original size [2021-06-13 07:25:35,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-13 07:25:35,978 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.8 percent of original size [2021-06-13 07:25:35,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-06-13 07:25:36,005 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.0 percent of original size [2021-06-13 07:25:36,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-13 07:25:36,027 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.7 percent of original size [2021-06-13 07:25:36,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-13 07:25:36,056 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:36,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:36,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:36,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:36,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:36,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:36,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:36,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:36,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:36,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:36,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527413639] [2021-06-13 07:25:36,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527413639] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:36,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:36,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-13 07:25:36,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455552636] [2021-06-13 07:25:36,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-13 07:25:36,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:36,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-13 07:25:36,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-13 07:25:36,095 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 91 [2021-06-13 07:25:36,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 102 transitions, 492 flow. Second operand has 11 states, 11 states have (on average 68.54545454545455) internal successors, (754), 11 states have internal predecessors, (754), 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) [2021-06-13 07:25:36,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:36,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 91 [2021-06-13 07:25:36,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:36,739 INFO L129 PetriNetUnfolder]: 175/559 cut-off events. [2021-06-13 07:25:36,739 INFO L130 PetriNetUnfolder]: For 3040/3360 co-relation queries the response was YES. [2021-06-13 07:25:36,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2270 conditions, 559 events. 175/559 cut-off events. For 3040/3360 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3101 event pairs, 12 based on Foata normal form. 45/583 useless extension candidates. Maximal degree in co-relation 2191. Up to 219 conditions per place. [2021-06-13 07:25:36,744 INFO L132 encePairwiseOnDemand]: 80/91 looper letters, 40 selfloop transitions, 21 changer transitions 36/154 dead transitions. [2021-06-13 07:25:36,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 154 transitions, 1240 flow [2021-06-13 07:25:36,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 07:25:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-13 07:25:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1145 transitions. [2021-06-13 07:25:36,748 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7864010989010989 [2021-06-13 07:25:36,748 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1145 transitions. [2021-06-13 07:25:36,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1145 transitions. [2021-06-13 07:25:36,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:36,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1145 transitions. [2021-06-13 07:25:36,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 71.5625) internal successors, (1145), 16 states have internal predecessors, (1145), 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) [2021-06-13 07:25:36,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 91.0) internal successors, (1547), 17 states have internal predecessors, (1547), 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) [2021-06-13 07:25:36,757 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 91.0) internal successors, (1547), 17 states have internal predecessors, (1547), 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) [2021-06-13 07:25:36,757 INFO L185 Difference]: Start difference. First operand has 125 places, 102 transitions, 492 flow. Second operand 16 states and 1145 transitions. [2021-06-13 07:25:36,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 154 transitions, 1240 flow [2021-06-13 07:25:36,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 154 transitions, 1128 flow, removed 48 selfloop flow, removed 10 redundant places. [2021-06-13 07:25:36,765 INFO L241 Difference]: Finished difference. Result has 136 places, 110 transitions, 656 flow [2021-06-13 07:25:36,766 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=656, PETRI_PLACES=136, PETRI_TRANSITIONS=110} [2021-06-13 07:25:36,766 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 51 predicate places. [2021-06-13 07:25:36,766 INFO L482 AbstractCegarLoop]: Abstraction has has 136 places, 110 transitions, 656 flow [2021-06-13 07:25:36,766 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 68.54545454545455) internal successors, (754), 11 states have internal predecessors, (754), 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) [2021-06-13 07:25:36,766 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:36,767 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:36,767 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-13 07:25:36,767 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:36,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:36,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1630264167, now seen corresponding path program 1 times [2021-06-13 07:25:36,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:36,767 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677727658] [2021-06-13 07:25:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:36,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:36,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:36,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:36,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:36,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:36,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:36,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:36,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:36,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:36,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:36,927 INFO L142 QuantifierPusher]: treesize reduction 16, result has 86.0 percent of original size [2021-06-13 07:25:36,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-06-13 07:25:36,939 INFO L142 QuantifierPusher]: treesize reduction 16, result has 86.3 percent of original size [2021-06-13 07:25:36,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-06-13 07:25:36,973 INFO L142 QuantifierPusher]: treesize reduction 69, result has 47.7 percent of original size [2021-06-13 07:25:36,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-06-13 07:25:36,997 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-06-13 07:25:36,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-13 07:25:37,026 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.8 percent of original size [2021-06-13 07:25:37,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-13 07:25:37,060 INFO L142 QuantifierPusher]: treesize reduction 33, result has 74.6 percent of original size [2021-06-13 07:25:37,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-06-13 07:25:37,104 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:37,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:37,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:37,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:37,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:37,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:37,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:37,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:37,150 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:37,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677727658] [2021-06-13 07:25:37,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677727658] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:37,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:37,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-06-13 07:25:37,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104056118] [2021-06-13 07:25:37,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-13 07:25:37,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:37,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-13 07:25:37,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-06-13 07:25:37,154 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 91 [2021-06-13 07:25:37,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 110 transitions, 656 flow. Second operand has 14 states, 14 states have (on average 63.57142857142857) internal successors, (890), 14 states have internal predecessors, (890), 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) [2021-06-13 07:25:37,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:37,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 91 [2021-06-13 07:25:37,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:37,674 INFO L129 PetriNetUnfolder]: 133/463 cut-off events. [2021-06-13 07:25:37,674 INFO L130 PetriNetUnfolder]: For 2369/2690 co-relation queries the response was YES. [2021-06-13 07:25:37,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1883 conditions, 463 events. 133/463 cut-off events. For 2369/2690 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2529 event pairs, 37 based on Foata normal form. 34/477 useless extension candidates. Maximal degree in co-relation 1795. Up to 221 conditions per place. [2021-06-13 07:25:37,678 INFO L132 encePairwiseOnDemand]: 76/91 looper letters, 50 selfloop transitions, 24 changer transitions 10/137 dead transitions. [2021-06-13 07:25:37,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 137 transitions, 1068 flow [2021-06-13 07:25:37,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 07:25:37,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-13 07:25:37,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 924 transitions. [2021-06-13 07:25:37,680 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7252747252747253 [2021-06-13 07:25:37,680 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 924 transitions. [2021-06-13 07:25:37,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 924 transitions. [2021-06-13 07:25:37,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:37,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 924 transitions. [2021-06-13 07:25:37,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 66.0) internal successors, (924), 14 states have internal predecessors, (924), 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) [2021-06-13 07:25:37,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 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) [2021-06-13 07:25:37,685 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 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) [2021-06-13 07:25:37,685 INFO L185 Difference]: Start difference. First operand has 136 places, 110 transitions, 656 flow. Second operand 14 states and 924 transitions. [2021-06-13 07:25:37,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 137 transitions, 1068 flow [2021-06-13 07:25:37,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 137 transitions, 1015 flow, removed 21 selfloop flow, removed 12 redundant places. [2021-06-13 07:25:37,693 INFO L241 Difference]: Finished difference. Result has 133 places, 122 transitions, 793 flow [2021-06-13 07:25:37,694 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=793, PETRI_PLACES=133, PETRI_TRANSITIONS=122} [2021-06-13 07:25:37,694 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 48 predicate places. [2021-06-13 07:25:37,694 INFO L482 AbstractCegarLoop]: Abstraction has has 133 places, 122 transitions, 793 flow [2021-06-13 07:25:37,694 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 63.57142857142857) internal successors, (890), 14 states have internal predecessors, (890), 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) [2021-06-13 07:25:37,694 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:37,694 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:37,695 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-13 07:25:37,695 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:37,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:37,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1678279705, now seen corresponding path program 2 times [2021-06-13 07:25:37,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:37,695 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715183587] [2021-06-13 07:25:37,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:37,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:37,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:37,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:37,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:37,778 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-06-13 07:25:37,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 07:25:37,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:37,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:37,794 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:37,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:37,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:37,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:37,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:37,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:37,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:37,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:37,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:37,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715183587] [2021-06-13 07:25:37,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715183587] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:37,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:37,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-13 07:25:37,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140964930] [2021-06-13 07:25:37,833 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 07:25:37,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:37,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 07:25:37,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-13 07:25:37,834 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 91 [2021-06-13 07:25:37,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 122 transitions, 793 flow. Second operand has 8 states, 8 states have (on average 70.0) internal successors, (560), 8 states have internal predecessors, (560), 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) [2021-06-13 07:25:37,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:37,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 91 [2021-06-13 07:25:37,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:38,088 INFO L129 PetriNetUnfolder]: 151/568 cut-off events. [2021-06-13 07:25:38,088 INFO L130 PetriNetUnfolder]: For 2989/3400 co-relation queries the response was YES. [2021-06-13 07:25:38,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2383 conditions, 568 events. 151/568 cut-off events. For 2989/3400 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3599 event pairs, 8 based on Foata normal form. 50/601 useless extension candidates. Maximal degree in co-relation 2302. Up to 216 conditions per place. [2021-06-13 07:25:38,094 INFO L132 encePairwiseOnDemand]: 80/91 looper letters, 49 selfloop transitions, 14 changer transitions 30/154 dead transitions. [2021-06-13 07:25:38,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 154 transitions, 1289 flow [2021-06-13 07:25:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 07:25:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-13 07:25:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 587 transitions. [2021-06-13 07:25:38,095 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8063186813186813 [2021-06-13 07:25:38,095 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 587 transitions. [2021-06-13 07:25:38,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 587 transitions. [2021-06-13 07:25:38,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:38,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 587 transitions. [2021-06-13 07:25:38,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 73.375) internal successors, (587), 8 states have internal predecessors, (587), 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) [2021-06-13 07:25:38,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 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) [2021-06-13 07:25:38,098 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 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) [2021-06-13 07:25:38,098 INFO L185 Difference]: Start difference. First operand has 133 places, 122 transitions, 793 flow. Second operand 8 states and 587 transitions. [2021-06-13 07:25:38,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 154 transitions, 1289 flow [2021-06-13 07:25:38,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 154 transitions, 1216 flow, removed 26 selfloop flow, removed 8 redundant places. [2021-06-13 07:25:38,115 INFO L241 Difference]: Finished difference. Result has 134 places, 122 transitions, 802 flow [2021-06-13 07:25:38,115 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=802, PETRI_PLACES=134, PETRI_TRANSITIONS=122} [2021-06-13 07:25:38,115 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 49 predicate places. [2021-06-13 07:25:38,115 INFO L482 AbstractCegarLoop]: Abstraction has has 134 places, 122 transitions, 802 flow [2021-06-13 07:25:38,116 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 70.0) internal successors, (560), 8 states have internal predecessors, (560), 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) [2021-06-13 07:25:38,116 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:38,116 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:38,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-13 07:25:38,116 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:38,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:38,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1761146226, now seen corresponding path program 1 times [2021-06-13 07:25:38,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:38,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203151044] [2021-06-13 07:25:38,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:38,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:38,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:38,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:38,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:38,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:38,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 07:25:38,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:38,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 07:25:38,332 INFO L142 QuantifierPusher]: treesize reduction 43, result has 68.1 percent of original size [2021-06-13 07:25:38,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-06-13 07:25:38,354 INFO L142 QuantifierPusher]: treesize reduction 99, result has 53.5 percent of original size [2021-06-13 07:25:38,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-06-13 07:25:38,445 INFO L142 QuantifierPusher]: treesize reduction 109, result has 57.1 percent of original size [2021-06-13 07:25:38,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-06-13 07:25:38,512 INFO L142 QuantifierPusher]: treesize reduction 109, result has 57.1 percent of original size [2021-06-13 07:25:38,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-06-13 07:25:38,568 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.8 percent of original size [2021-06-13 07:25:38,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-13 07:25:38,598 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:38,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:38,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:38,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:38,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:38,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:38,643 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:38,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203151044] [2021-06-13 07:25:38,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203151044] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:38,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:38,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-06-13 07:25:38,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895843649] [2021-06-13 07:25:38,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 07:25:38,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:38,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 07:25:38,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-06-13 07:25:38,647 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 91 [2021-06-13 07:25:38,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 122 transitions, 802 flow. Second operand has 16 states, 16 states have (on average 65.25) internal successors, (1044), 16 states have internal predecessors, (1044), 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) [2021-06-13 07:25:38,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:38,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 91 [2021-06-13 07:25:38,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:39,187 INFO L129 PetriNetUnfolder]: 89/405 cut-off events. [2021-06-13 07:25:39,187 INFO L130 PetriNetUnfolder]: For 2469/3086 co-relation queries the response was YES. [2021-06-13 07:25:39,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1689 conditions, 405 events. 89/405 cut-off events. For 2469/3086 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2223 event pairs, 4 based on Foata normal form. 42/433 useless extension candidates. Maximal degree in co-relation 1616. Up to 138 conditions per place. [2021-06-13 07:25:39,191 INFO L132 encePairwiseOnDemand]: 78/91 looper letters, 48 selfloop transitions, 27 changer transitions 13/143 dead transitions. [2021-06-13 07:25:39,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 143 transitions, 1203 flow [2021-06-13 07:25:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 07:25:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-13 07:25:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1073 transitions. [2021-06-13 07:25:39,198 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7369505494505495 [2021-06-13 07:25:39,198 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1073 transitions. [2021-06-13 07:25:39,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1073 transitions. [2021-06-13 07:25:39,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:39,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1073 transitions. [2021-06-13 07:25:39,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 67.0625) internal successors, (1073), 16 states have internal predecessors, (1073), 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) [2021-06-13 07:25:39,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 91.0) internal successors, (1547), 17 states have internal predecessors, (1547), 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) [2021-06-13 07:25:39,203 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 91.0) internal successors, (1547), 17 states have internal predecessors, (1547), 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) [2021-06-13 07:25:39,203 INFO L185 Difference]: Start difference. First operand has 134 places, 122 transitions, 802 flow. Second operand 16 states and 1073 transitions. [2021-06-13 07:25:39,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 143 transitions, 1203 flow [2021-06-13 07:25:39,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 143 transitions, 1156 flow, removed 15 selfloop flow, removed 6 redundant places. [2021-06-13 07:25:39,214 INFO L241 Difference]: Finished difference. Result has 146 places, 122 transitions, 860 flow [2021-06-13 07:25:39,215 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=860, PETRI_PLACES=146, PETRI_TRANSITIONS=122} [2021-06-13 07:25:39,215 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 61 predicate places. [2021-06-13 07:25:39,215 INFO L482 AbstractCegarLoop]: Abstraction has has 146 places, 122 transitions, 860 flow [2021-06-13 07:25:39,215 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 65.25) internal successors, (1044), 16 states have internal predecessors, (1044), 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) [2021-06-13 07:25:39,216 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:39,216 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:39,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-13 07:25:39,216 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:39,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:39,216 INFO L82 PathProgramCache]: Analyzing trace with hash -805005011, now seen corresponding path program 3 times [2021-06-13 07:25:39,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:39,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595349669] [2021-06-13 07:25:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:39,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:39,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:39,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:39,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:39,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:39,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 07:25:39,370 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-06-13 07:25:39,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-13 07:25:39,396 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.4 percent of original size [2021-06-13 07:25:39,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-13 07:25:39,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:39,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:39,454 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:39,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:39,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:39,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:39,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:39,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:39,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595349669] [2021-06-13 07:25:39,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595349669] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:39,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:39,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-06-13 07:25:39,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041653757] [2021-06-13 07:25:39,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-13 07:25:39,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:39,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-13 07:25:39,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-06-13 07:25:39,504 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 91 [2021-06-13 07:25:39,505 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 122 transitions, 860 flow. Second operand has 14 states, 14 states have (on average 65.42857142857143) internal successors, (916), 14 states have internal predecessors, (916), 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) [2021-06-13 07:25:39,505 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:39,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 91 [2021-06-13 07:25:39,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:39,965 INFO L129 PetriNetUnfolder]: 114/484 cut-off events. [2021-06-13 07:25:39,965 INFO L130 PetriNetUnfolder]: For 3059/3561 co-relation queries the response was YES. [2021-06-13 07:25:39,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2133 conditions, 484 events. 114/484 cut-off events. For 3059/3561 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2971 event pairs, 6 based on Foata normal form. 40/510 useless extension candidates. Maximal degree in co-relation 2053. Up to 169 conditions per place. [2021-06-13 07:25:39,970 INFO L132 encePairwiseOnDemand]: 79/91 looper letters, 49 selfloop transitions, 11 changer transitions 35/150 dead transitions. [2021-06-13 07:25:39,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 150 transitions, 1362 flow [2021-06-13 07:25:39,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 07:25:39,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-13 07:25:39,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 817 transitions. [2021-06-13 07:25:39,972 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7481684981684982 [2021-06-13 07:25:39,972 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 817 transitions. [2021-06-13 07:25:39,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 817 transitions. [2021-06-13 07:25:39,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:39,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 817 transitions. [2021-06-13 07:25:39,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 68.08333333333333) internal successors, (817), 12 states have internal predecessors, (817), 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) [2021-06-13 07:25:39,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 91.0) internal successors, (1183), 13 states have internal predecessors, (1183), 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) [2021-06-13 07:25:39,975 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 91.0) internal successors, (1183), 13 states have internal predecessors, (1183), 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) [2021-06-13 07:25:39,976 INFO L185 Difference]: Start difference. First operand has 146 places, 122 transitions, 860 flow. Second operand 12 states and 817 transitions. [2021-06-13 07:25:39,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 150 transitions, 1362 flow [2021-06-13 07:25:39,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 150 transitions, 1290 flow, removed 16 selfloop flow, removed 14 redundant places. [2021-06-13 07:25:39,986 INFO L241 Difference]: Finished difference. Result has 142 places, 109 transitions, 674 flow [2021-06-13 07:25:39,987 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=674, PETRI_PLACES=142, PETRI_TRANSITIONS=109} [2021-06-13 07:25:39,987 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 57 predicate places. [2021-06-13 07:25:39,987 INFO L482 AbstractCegarLoop]: Abstraction has has 142 places, 109 transitions, 674 flow [2021-06-13 07:25:39,987 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 65.42857142857143) internal successors, (916), 14 states have internal predecessors, (916), 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) [2021-06-13 07:25:39,988 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:39,988 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:39,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-13 07:25:39,988 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:39,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:39,988 INFO L82 PathProgramCache]: Analyzing trace with hash 45826633, now seen corresponding path program 4 times [2021-06-13 07:25:39,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:39,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693692412] [2021-06-13 07:25:39,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:40,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:40,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:40,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:40,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:40,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:40,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 07:25:40,127 INFO L142 QuantifierPusher]: treesize reduction 26, result has 58.7 percent of original size [2021-06-13 07:25:40,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-13 07:25:40,152 INFO L142 QuantifierPusher]: treesize reduction 52, result has 55.2 percent of original size [2021-06-13 07:25:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-13 07:25:40,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:40,204 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-06-13 07:25:40,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-13 07:25:40,213 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.8 percent of original size [2021-06-13 07:25:40,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-13 07:25:40,240 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:40,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:40,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:40,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:40,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:40,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:40,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693692412] [2021-06-13 07:25:40,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693692412] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:40,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:40,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-06-13 07:25:40,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022947190] [2021-06-13 07:25:40,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-13 07:25:40,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:40,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-13 07:25:40,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-06-13 07:25:40,281 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 91 [2021-06-13 07:25:40,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 109 transitions, 674 flow. Second operand has 14 states, 14 states have (on average 65.42857142857143) internal successors, (916), 14 states have internal predecessors, (916), 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) [2021-06-13 07:25:40,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:40,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 91 [2021-06-13 07:25:40,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:40,759 INFO L129 PetriNetUnfolder]: 83/382 cut-off events. [2021-06-13 07:25:40,759 INFO L130 PetriNetUnfolder]: For 2227/2829 co-relation queries the response was YES. [2021-06-13 07:25:40,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 382 events. 83/382 cut-off events. For 2227/2829 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2027 event pairs, 19 based on Foata normal form. 29/398 useless extension candidates. Maximal degree in co-relation 1531. Up to 131 conditions per place. [2021-06-13 07:25:40,762 INFO L132 encePairwiseOnDemand]: 79/91 looper letters, 45 selfloop transitions, 20 changer transitions 16/136 dead transitions. [2021-06-13 07:25:40,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 136 transitions, 1106 flow [2021-06-13 07:25:40,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 07:25:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-13 07:25:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1015 transitions. [2021-06-13 07:25:40,766 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7435897435897436 [2021-06-13 07:25:40,767 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1015 transitions. [2021-06-13 07:25:40,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1015 transitions. [2021-06-13 07:25:40,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:40,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1015 transitions. [2021-06-13 07:25:40,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 67.66666666666667) internal successors, (1015), 15 states have internal predecessors, (1015), 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) [2021-06-13 07:25:40,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 91.0) internal successors, (1456), 16 states have internal predecessors, (1456), 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) [2021-06-13 07:25:40,787 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 91.0) internal successors, (1456), 16 states have internal predecessors, (1456), 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) [2021-06-13 07:25:40,787 INFO L185 Difference]: Start difference. First operand has 142 places, 109 transitions, 674 flow. Second operand 15 states and 1015 transitions. [2021-06-13 07:25:40,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 136 transitions, 1106 flow [2021-06-13 07:25:40,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 136 transitions, 1009 flow, removed 19 selfloop flow, removed 17 redundant places. [2021-06-13 07:25:40,795 INFO L241 Difference]: Finished difference. Result has 141 places, 111 transitions, 682 flow [2021-06-13 07:25:40,795 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=682, PETRI_PLACES=141, PETRI_TRANSITIONS=111} [2021-06-13 07:25:40,796 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 56 predicate places. [2021-06-13 07:25:40,796 INFO L482 AbstractCegarLoop]: Abstraction has has 141 places, 111 transitions, 682 flow [2021-06-13 07:25:40,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 65.42857142857143) internal successors, (916), 14 states have internal predecessors, (916), 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) [2021-06-13 07:25:40,796 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:40,796 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:40,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-13 07:25:40,797 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:40,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:40,797 INFO L82 PathProgramCache]: Analyzing trace with hash -2107360023, now seen corresponding path program 5 times [2021-06-13 07:25:40,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:40,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899998788] [2021-06-13 07:25:40,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:40,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:40,888 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-06-13 07:25:40,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:40,891 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-13 07:25:40,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:40,897 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-13 07:25:40,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:40,905 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-13 07:25:40,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:25:40,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 07:25:40,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:40,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 07:25:40,964 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.9 percent of original size [2021-06-13 07:25:40,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-13 07:25:41,002 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.1 percent of original size [2021-06-13 07:25:41,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-13 07:25:41,034 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.5 percent of original size [2021-06-13 07:25:41,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-13 07:25:41,075 INFO L142 QuantifierPusher]: treesize reduction 26, result has 66.2 percent of original size [2021-06-13 07:25:41,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-13 07:25:41,116 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.6 percent of original size [2021-06-13 07:25:41,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-13 07:25:41,148 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.5 percent of original size [2021-06-13 07:25:41,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-13 07:25:41,188 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.6 percent of original size [2021-06-13 07:25:41,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-13 07:25:41,220 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:41,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:41,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:41,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:41,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:41,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:41,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:41,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:41,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:41,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899998788] [2021-06-13 07:25:41,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899998788] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:41,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:41,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-13 07:25:41,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093995827] [2021-06-13 07:25:41,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-13 07:25:41,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:41,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-13 07:25:41,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-06-13 07:25:41,285 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 91 [2021-06-13 07:25:41,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 111 transitions, 682 flow. Second operand has 18 states, 18 states have (on average 57.44444444444444) internal successors, (1034), 18 states have internal predecessors, (1034), 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) [2021-06-13 07:25:41,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:41,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 91 [2021-06-13 07:25:41,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:43,950 INFO L129 PetriNetUnfolder]: 363/1201 cut-off events. [2021-06-13 07:25:43,950 INFO L130 PetriNetUnfolder]: For 6096/6203 co-relation queries the response was YES. [2021-06-13 07:25:43,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4334 conditions, 1201 events. 363/1201 cut-off events. For 6096/6203 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 8961 event pairs, 25 based on Foata normal form. 50/1244 useless extension candidates. Maximal degree in co-relation 4243. Up to 258 conditions per place. [2021-06-13 07:25:43,957 INFO L132 encePairwiseOnDemand]: 72/91 looper letters, 107 selfloop transitions, 47 changer transitions 118/319 dead transitions. [2021-06-13 07:25:43,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 319 transitions, 2954 flow [2021-06-13 07:25:43,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-13 07:25:43,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-06-13 07:25:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 2881 transitions. [2021-06-13 07:25:43,962 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6736029927519289 [2021-06-13 07:25:43,962 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 2881 transitions. [2021-06-13 07:25:43,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 2881 transitions. [2021-06-13 07:25:43,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:43,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 2881 transitions. [2021-06-13 07:25:43,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 61.297872340425535) internal successors, (2881), 47 states have internal predecessors, (2881), 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) [2021-06-13 07:25:43,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 91.0) internal successors, (4368), 48 states have internal predecessors, (4368), 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) [2021-06-13 07:25:43,972 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 91.0) internal successors, (4368), 48 states have internal predecessors, (4368), 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) [2021-06-13 07:25:43,972 INFO L185 Difference]: Start difference. First operand has 141 places, 111 transitions, 682 flow. Second operand 47 states and 2881 transitions. [2021-06-13 07:25:43,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 319 transitions, 2954 flow [2021-06-13 07:25:43,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 319 transitions, 2810 flow, removed 51 selfloop flow, removed 10 redundant places. [2021-06-13 07:25:43,987 INFO L241 Difference]: Finished difference. Result has 196 places, 127 transitions, 840 flow [2021-06-13 07:25:43,988 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=840, PETRI_PLACES=196, PETRI_TRANSITIONS=127} [2021-06-13 07:25:43,988 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 111 predicate places. [2021-06-13 07:25:43,988 INFO L482 AbstractCegarLoop]: Abstraction has has 196 places, 127 transitions, 840 flow [2021-06-13 07:25:43,988 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 57.44444444444444) internal successors, (1034), 18 states have internal predecessors, (1034), 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) [2021-06-13 07:25:43,988 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:43,988 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:43,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-13 07:25:43,989 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:43,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:43,989 INFO L82 PathProgramCache]: Analyzing trace with hash -444107289, now seen corresponding path program 1 times [2021-06-13 07:25:43,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:43,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623941150] [2021-06-13 07:25:43,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:44,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:44,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:44,070 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-13 07:25:44,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 07:25:44,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-13 07:25:44,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 07:25:44,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:44,102 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:44,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:44,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:44,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:44,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:44,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:44,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623941150] [2021-06-13 07:25:44,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623941150] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:44,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:44,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-13 07:25:44,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897980835] [2021-06-13 07:25:44,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-13 07:25:44,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:44,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-13 07:25:44,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-06-13 07:25:44,139 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 91 [2021-06-13 07:25:44,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 127 transitions, 840 flow. Second operand has 9 states, 9 states have (on average 69.88888888888889) internal successors, (629), 9 states have internal predecessors, (629), 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) [2021-06-13 07:25:44,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:44,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 91 [2021-06-13 07:25:44,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:44,368 INFO L129 PetriNetUnfolder]: 61/421 cut-off events. [2021-06-13 07:25:44,368 INFO L130 PetriNetUnfolder]: For 4147/4494 co-relation queries the response was YES. [2021-06-13 07:25:44,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1979 conditions, 421 events. 61/421 cut-off events. For 4147/4494 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2619 event pairs, 27 based on Foata normal form. 28/440 useless extension candidates. Maximal degree in co-relation 1870. Up to 112 conditions per place. [2021-06-13 07:25:44,372 INFO L132 encePairwiseOnDemand]: 82/91 looper letters, 27 selfloop transitions, 8 changer transitions 37/143 dead transitions. [2021-06-13 07:25:44,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 143 transitions, 1187 flow [2021-06-13 07:25:44,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 07:25:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-13 07:25:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 578 transitions. [2021-06-13 07:25:44,377 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7939560439560439 [2021-06-13 07:25:44,377 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 578 transitions. [2021-06-13 07:25:44,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 578 transitions. [2021-06-13 07:25:44,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:44,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 578 transitions. [2021-06-13 07:25:44,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 72.25) internal successors, (578), 8 states have internal predecessors, (578), 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) [2021-06-13 07:25:44,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 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) [2021-06-13 07:25:44,380 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 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) [2021-06-13 07:25:44,380 INFO L185 Difference]: Start difference. First operand has 196 places, 127 transitions, 840 flow. Second operand 8 states and 578 transitions. [2021-06-13 07:25:44,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 143 transitions, 1187 flow [2021-06-13 07:25:44,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 143 transitions, 1006 flow, removed 69 selfloop flow, removed 36 redundant places. [2021-06-13 07:25:44,393 INFO L241 Difference]: Finished difference. Result has 146 places, 106 transitions, 520 flow [2021-06-13 07:25:44,394 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=520, PETRI_PLACES=146, PETRI_TRANSITIONS=106} [2021-06-13 07:25:44,394 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 61 predicate places. [2021-06-13 07:25:44,394 INFO L482 AbstractCegarLoop]: Abstraction has has 146 places, 106 transitions, 520 flow [2021-06-13 07:25:44,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 69.88888888888889) internal successors, (629), 9 states have internal predecessors, (629), 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) [2021-06-13 07:25:44,394 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:44,394 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:44,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-13 07:25:44,394 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:44,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:44,395 INFO L82 PathProgramCache]: Analyzing trace with hash -198590143, now seen corresponding path program 2 times [2021-06-13 07:25:44,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:44,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195398894] [2021-06-13 07:25:44,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:44,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:44,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:44,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:25:44,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 07:25:44,542 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-06-13 07:25:44,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 07:25:44,557 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-13 07:25:44,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:44,571 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-06-13 07:25:44,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 07:25:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:44,590 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:25:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:25:44,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:44,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:25:44,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:44,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:44,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195398894] [2021-06-13 07:25:44,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195398894] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:44,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:44,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-13 07:25:44,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535546816] [2021-06-13 07:25:44,631 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-13 07:25:44,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:44,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-13 07:25:44,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-06-13 07:25:44,632 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 91 [2021-06-13 07:25:44,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 106 transitions, 520 flow. Second operand has 12 states, 12 states have (on average 67.58333333333333) internal successors, (811), 12 states have internal predecessors, (811), 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) [2021-06-13 07:25:44,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:44,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 91 [2021-06-13 07:25:44,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:44,848 INFO L129 PetriNetUnfolder]: 26/227 cut-off events. [2021-06-13 07:25:44,848 INFO L130 PetriNetUnfolder]: For 1007/1205 co-relation queries the response was YES. [2021-06-13 07:25:44,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 227 events. 26/227 cut-off events. For 1007/1205 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 983 event pairs, 3 based on Foata normal form. 11/233 useless extension candidates. Maximal degree in co-relation 774. Up to 47 conditions per place. [2021-06-13 07:25:44,849 INFO L132 encePairwiseOnDemand]: 82/91 looper letters, 0 selfloop transitions, 0 changer transitions 110/110 dead transitions. [2021-06-13 07:25:44,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 110 transitions, 668 flow [2021-06-13 07:25:44,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 07:25:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-13 07:25:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 689 transitions. [2021-06-13 07:25:44,851 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7571428571428571 [2021-06-13 07:25:44,851 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 689 transitions. [2021-06-13 07:25:44,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 689 transitions. [2021-06-13 07:25:44,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:44,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 689 transitions. [2021-06-13 07:25:44,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 68.9) internal successors, (689), 10 states have internal predecessors, (689), 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) [2021-06-13 07:25:44,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 91.0) internal successors, (1001), 11 states have internal predecessors, (1001), 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) [2021-06-13 07:25:44,853 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 91.0) internal successors, (1001), 11 states have internal predecessors, (1001), 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) [2021-06-13 07:25:44,853 INFO L185 Difference]: Start difference. First operand has 146 places, 106 transitions, 520 flow. Second operand 10 states and 689 transitions. [2021-06-13 07:25:44,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 110 transitions, 668 flow [2021-06-13 07:25:44,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 110 transitions, 575 flow, removed 18 selfloop flow, removed 17 redundant places. [2021-06-13 07:25:44,858 INFO L241 Difference]: Finished difference. Result has 130 places, 0 transitions, 0 flow [2021-06-13 07:25:44,858 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=130, PETRI_TRANSITIONS=0} [2021-06-13 07:25:44,858 INFO L335 CegarLoopForPetriNet]: 85 programPoint places, 45 predicate places. [2021-06-13 07:25:44,858 INFO L482 AbstractCegarLoop]: Abstraction has has 130 places, 0 transitions, 0 flow [2021-06-13 07:25:44,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 67.58333333333333) internal successors, (811), 12 states have internal predecessors, (811), 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) [2021-06-13 07:25:44,859 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-13 07:25:44,859 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-06-13 07:25:44,859 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-13 07:25:44,860 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 07:25:44,860 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 07:25:44,860 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 07:25:44,860 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 07:25:44,860 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 07:25:44,860 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 07:25:44,860 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 07:25:44,860 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P1Thread1of1ForFork1======== [2021-06-13 07:25:44,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 192 flow [2021-06-13 07:25:44,869 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2021-06-13 07:25:44,869 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:25:44,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2021-06-13 07:25:44,869 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 91 transitions, 192 flow [2021-06-13 07:25:44,870 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 89 transitions, 184 flow [2021-06-13 07:25:44,873 INFO L129 PetriNetUnfolder]: 0/56 cut-off events. [2021-06-13 07:25:44,874 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:25:44,874 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:25:44,874 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:25:44,874 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:25:44,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:25:44,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1198870446, now seen corresponding path program 1 times [2021-06-13 07:25:44,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:25:44,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121171654] [2021-06-13 07:25:44,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:25:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:25:44,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:25:44,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:25:44,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:25:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:25:44,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:25:44,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121171654] [2021-06-13 07:25:44,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121171654] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:25:44,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:25:44,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 07:25:44,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093353753] [2021-06-13 07:25:44,893 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 07:25:44,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:25:44,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 07:25:44,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 07:25:44,894 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 91 [2021-06-13 07:25:44,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 89 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2021-06-13 07:25:44,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:25:44,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 91 [2021-06-13 07:25:44,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:25:44,961 INFO L129 PetriNetUnfolder]: 57/406 cut-off events. [2021-06-13 07:25:44,961 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:25:44,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 406 events. 57/406 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2268 event pairs, 22 based on Foata normal form. 24/402 useless extension candidates. Maximal degree in co-relation 474. Up to 88 conditions per place. [2021-06-13 07:25:44,962 INFO L132 encePairwiseOnDemand]: 86/91 looper letters, 0 selfloop transitions, 0 changer transitions 90/90 dead transitions. [2021-06-13 07:25:44,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 90 transitions, 214 flow [2021-06-13 07:25:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 07:25:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-13 07:25:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2021-06-13 07:25:44,964 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9267399267399268 [2021-06-13 07:25:44,964 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2021-06-13 07:25:44,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2021-06-13 07:25:44,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:25:44,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2021-06-13 07:25:44,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2021-06-13 07:25:44,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 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) [2021-06-13 07:25:44,965 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 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) [2021-06-13 07:25:44,965 INFO L185 Difference]: Start difference. First operand has 94 places, 89 transitions, 184 flow. Second operand 3 states and 253 transitions. [2021-06-13 07:25:44,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 90 transitions, 214 flow [2021-06-13 07:25:44,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 90 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-13 07:25:44,966 INFO L241 Difference]: Finished difference. Result has 92 places, 0 transitions, 0 flow [2021-06-13 07:25:44,966 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=92, PETRI_TRANSITIONS=0} [2021-06-13 07:25:44,966 INFO L335 CegarLoopForPetriNet]: 94 programPoint places, -2 predicate places. [2021-06-13 07:25:44,966 INFO L482 AbstractCegarLoop]: Abstraction has has 92 places, 0 transitions, 0 flow [2021-06-13 07:25:44,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2021-06-13 07:25:44,966 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-13 07:25:44,966 INFO L301 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork1 was SAFE (3/3) [2021-06-13 07:25:44,967 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 07:25:44,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 07:25:44 BasicIcfg [2021-06-13 07:25:44,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 07:25:44,970 INFO L168 Benchmark]: Toolchain (without parser) took 19119.66 ms. Allocated memory was 181.4 MB in the beginning and 555.7 MB in the end (delta: 374.3 MB). Free memory was 144.3 MB in the beginning and 379.2 MB in the end (delta: -234.9 MB). Peak memory consumption was 141.0 MB. Max. memory is 8.0 GB. [2021-06-13 07:25:44,970 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 162.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 07:25:44,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.50 ms. Allocated memory is still 181.4 MB. Free memory was 144.1 MB in the beginning and 137.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB. [2021-06-13 07:25:44,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.82 ms. Allocated memory is still 181.4 MB. Free memory was 137.3 MB in the beginning and 133.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-13 07:25:44,970 INFO L168 Benchmark]: Boogie Preprocessor took 48.79 ms. Allocated memory is still 181.4 MB. Free memory was 133.6 MB in the beginning and 131.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-13 07:25:44,970 INFO L168 Benchmark]: RCFGBuilder took 2959.87 ms. Allocated memory was 181.4 MB in the beginning and 227.5 MB in the end (delta: 46.1 MB). Free memory was 131.0 MB in the beginning and 78.4 MB in the end (delta: 52.6 MB). Peak memory consumption was 105.5 MB. Max. memory is 8.0 GB. [2021-06-13 07:25:44,971 INFO L168 Benchmark]: TraceAbstraction took 15392.15 ms. Allocated memory was 227.5 MB in the beginning and 555.7 MB in the end (delta: 328.2 MB). Free memory was 77.9 MB in the beginning and 379.2 MB in the end (delta: -301.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 8.0 GB. [2021-06-13 07:25:44,971 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 162.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 632.50 ms. Allocated memory is still 181.4 MB. Free memory was 144.1 MB in the beginning and 137.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 78.82 ms. Allocated memory is still 181.4 MB. Free memory was 137.3 MB in the beginning and 133.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 48.79 ms. Allocated memory is still 181.4 MB. Free memory was 133.6 MB in the beginning and 131.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2959.87 ms. Allocated memory was 181.4 MB in the beginning and 227.5 MB in the end (delta: 46.1 MB). Free memory was 131.0 MB in the beginning and 78.4 MB in the end (delta: 52.6 MB). Peak memory consumption was 105.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15392.15 ms. Allocated memory was 227.5 MB in the beginning and 555.7 MB in the end (delta: 328.2 MB). Free memory was 77.9 MB in the beginning and 379.2 MB in the end (delta: -301.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 for errors in thread instance: P1 with 1 thread instances CFG has 5 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 44.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 39.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 15050.4ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 9873.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 23.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 287 SDtfs, 870 SDslu, 1219 SDs, 0 SdLazy, 2711 SolverSat, 869 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3316.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 34 SyntacticMatches, 7 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1556 ImplicationChecksByTransitivity, 6000.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=860occurred in iteration=12, InterpolantAutomatonStates: 252, 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: 61.7ms SsaConstructionTime, 823.6ms SatisfiabilityAnalysisTime, 4017.2ms InterpolantComputationTime, 1128 NumberOfCodeBlocks, 1128 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1111 ConstructedInterpolants, 0 QuantifiedInterpolants, 9261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 106.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 72.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 14 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 1.1ms SsaConstructionTime, 2.7ms SatisfiabilityAnalysisTime, 11.6ms InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...