/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix037_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:16:11,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:16:11,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:16:11,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:16:11,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:16:11,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:16:11,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:16:11,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:16:11,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:16:11,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:16:11,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:16:11,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:16:11,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:16:11,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:16:11,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:16:11,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:16:11,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:16:11,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:16:11,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:16:11,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:16:11,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:16:11,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:16:11,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:16:11,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:16:11,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:16:11,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:16:11,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:16:11,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:16:11,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:16:11,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:16:11,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:16:11,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:16:11,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:16:11,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:16:11,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:16:11,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:16:11,585 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 20:16:11,613 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:16:11,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:16:11,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:16:11,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:16:11,615 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:16:11,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:16:11,616 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:16:11,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:16:11,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:16:11,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:16:11,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:16:11,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:16:11,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:16:11,617 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:16:11,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:16:11,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:16:11,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:16:11,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:16:11,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:16:11,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:16:11,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:16:11,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:16:11,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:16:11,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:16:11,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:16:11,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:16:11,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:16:11,620 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:16:11,621 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:16:11,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:16:11,621 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:16:11,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:16:11,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:16:11,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:16:11,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:16:11,997 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:16:11,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037_power.opt.i [2021-04-28 20:16:12,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02770c779/265e5c3ad5164859af75a5b79ab59f52/FLAG23d6869ca [2021-04-28 20:16:12,856 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:16:12,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_power.opt.i [2021-04-28 20:16:12,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02770c779/265e5c3ad5164859af75a5b79ab59f52/FLAG23d6869ca [2021-04-28 20:16:13,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02770c779/265e5c3ad5164859af75a5b79ab59f52 [2021-04-28 20:16:13,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:16:13,174 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:16:13,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:16:13,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:16:13,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:16:13,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:16:13" (1/1) ... [2021-04-28 20:16:13,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5190036d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:13, skipping insertion in model container [2021-04-28 20:16:13,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:16:13" (1/1) ... [2021-04-28 20:16:13,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:16:13,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:16:13,433 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_power.opt.i[950,963] [2021-04-28 20:16:13,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:16:13,866 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:16:13,882 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_power.opt.i[950,963] [2021-04-28 20:16:13,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:16:14,079 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:16:14,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14 WrapperNode [2021-04-28 20:16:14,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:16:14,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:16:14,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:16:14,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:16:14,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (1/1) ... [2021-04-28 20:16:14,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (1/1) ... [2021-04-28 20:16:14,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:16:14,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:16:14,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:16:14,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:16:14,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (1/1) ... [2021-04-28 20:16:14,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (1/1) ... [2021-04-28 20:16:14,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (1/1) ... [2021-04-28 20:16:14,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (1/1) ... [2021-04-28 20:16:14,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (1/1) ... [2021-04-28 20:16:14,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (1/1) ... [2021-04-28 20:16:14,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (1/1) ... [2021-04-28 20:16:14,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:16:14,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:16:14,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:16:14,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:16:14,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (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 [2021-04-28 20:16:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:16:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:16:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:16:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:16:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:16:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:16:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:16:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:16:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:16:14,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:16:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:16:14,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:16:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:16:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:16:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:16:14,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:16:14,321 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 20:16:16,439 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:16:16,439 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:16:16,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:16:16 BoogieIcfgContainer [2021-04-28 20:16:16,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:16:16,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:16:16,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:16:16,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:16:16,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:16:13" (1/3) ... [2021-04-28 20:16:16,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6096fa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:16:16, skipping insertion in model container [2021-04-28 20:16:16,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:16:14" (2/3) ... [2021-04-28 20:16:16,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6096fa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:16:16, skipping insertion in model container [2021-04-28 20:16:16,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:16:16" (3/3) ... [2021-04-28 20:16:16,451 INFO L111 eAbstractionObserver]: Analyzing ICFG mix037_power.opt.i [2021-04-28 20:16:16,458 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:16:16,463 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:16:16,464 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:16:16,506 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,507 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,507 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,507 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,507 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,507 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,508 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,508 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,508 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,508 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,510 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,510 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,510 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,511 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,512 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,512 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,513 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,513 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,513 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,513 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,513 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,533 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,533 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,533 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,533 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,534 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,534 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,534 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,536 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,539 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,539 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,539 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,543 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,544 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,544 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,545 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,545 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,547 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,547 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,552 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,556 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,556 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,556 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,556 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,556 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:16:16,558 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:16:16,582 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:16:16,607 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:16:16,608 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:16:16,608 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:16:16,608 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:16:16,608 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:16:16,608 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:16:16,608 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:16:16,609 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:16:16,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 20:16:16,679 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 20:16:16,679 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:16:16,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 20:16:16,685 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 20:16:16,692 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-04-28 20:16:16,694 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:16:16,710 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 20:16:16,714 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 20:16:16,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-04-28 20:16:16,747 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 20:16:16,747 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:16:16,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 20:16:16,753 INFO L146 LiptonReduction]: Number of co-enabled transitions 2488 [2021-04-28 20:16:20,270 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:16:20,927 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 20:16:21,168 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 20:16:34,097 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 20:16:38,722 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:16:38,824 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:16:39,293 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:16:39,410 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:16:39,528 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:16:39,647 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:16:40,832 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:16:40,982 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:16:41,197 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:16:43,789 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:16:43,915 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:16:44,036 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:16:44,159 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:16:44,272 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:44,388 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:44,508 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:44,621 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:45,028 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:16:45,166 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:16:45,301 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:16:45,437 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:16:45,581 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:45,728 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:45,871 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:46,014 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:46,120 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:46,227 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:46,335 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:46,474 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:46,608 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:46,739 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:46,865 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:46,995 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:47,115 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:47,235 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:47,352 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:47,470 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:47,574 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:47,678 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:47,880 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:48,006 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:48,133 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:48,255 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:48,377 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:48,520 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:48,661 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:48,802 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:48,948 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:49,371 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:51,721 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:51,869 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:52,049 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:52,212 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:52,323 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:52,434 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:52,544 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:52,654 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:52,759 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:16:52,864 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:16:53,514 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:53,652 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:53,791 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:53,929 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:54,063 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:16:54,193 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:16:54,330 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:16:54,467 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:16:54,626 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:54,777 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:54,938 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:55,098 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:55,492 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:55,596 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:55,704 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:55,808 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:55,929 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:56,048 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:56,170 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:56,292 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:56,445 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:16:56,599 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:16:56,754 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:16:56,901 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:16:57,118 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:57,324 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:57,526 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:57,727 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:57,910 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:16:58,098 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:16:58,279 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:16:58,462 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:16:58,658 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:16:58,879 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:16:59,084 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:16:59,292 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:16:59,462 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:16:59,627 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:16:59,799 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:16:59,969 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:17:00,159 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:17:00,350 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:17:00,543 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:17:00,733 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:17:01,271 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:17:01,520 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:17:02,042 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:17:02,294 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:17:02,513 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:02,717 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:02,917 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:03,123 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:03,297 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:17:03,473 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:17:03,650 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:17:03,827 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:17:04,341 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:17:04,585 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:17:05,082 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:17:05,331 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:17:05,802 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:06,021 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:06,222 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:06,429 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:06,636 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:06,836 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:07,052 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:07,262 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:17:07,369 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:17:07,475 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:17:07,582 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:17:07,688 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:17:07,884 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:17:08,088 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:17:08,280 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:17:08,472 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:17:08,521 INFO L158 LiptonReduction]: Checked pairs total: 26781 [2021-04-28 20:17:08,521 INFO L160 LiptonReduction]: Total number of compositions: 311 [2021-04-28 20:17:08,528 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51836 [2021-04-28 20:17:08,557 INFO L129 PetriNetUnfolder]: 1/99 cut-off events. [2021-04-28 20:17:08,558 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:17:08,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:08,559 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:08,559 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:08,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:08,565 INFO L82 PathProgramCache]: Analyzing trace with hash 666831269, now seen corresponding path program 1 times [2021-04-28 20:17:08,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:08,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255779938] [2021-04-28 20:17:08,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:08,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:08,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:17:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:17:08,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255779938] [2021-04-28 20:17:08,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:08,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:17:08,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965154469] [2021-04-28 20:17:08,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:17:08,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:08,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:17:08,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:17:08,930 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 428 [2021-04-28 20:17:08,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 145 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 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) [2021-04-28 20:17:08,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:08,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 428 [2021-04-28 20:17:08,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:09,042 INFO L129 PetriNetUnfolder]: 17/189 cut-off events. [2021-04-28 20:17:09,042 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:17:09,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 189 events. 17/189 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1150 event pairs, 1 based on Foata normal form. 19/78 useless extension candidates. Maximal degree in co-relation 168. Up to 33 conditions per place. [2021-04-28 20:17:09,046 INFO L132 encePairwiseOnDemand]: 412/428 looper letters, 5 selfloop transitions, 4 changer transitions 67/143 dead transitions. [2021-04-28 20:17:09,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 143 transitions, 334 flow [2021-04-28 20:17:09,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:17:09,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:17:09,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1074 transitions. [2021-04-28 20:17:09,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8364485981308412 [2021-04-28 20:17:09,070 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1074 transitions. [2021-04-28 20:17:09,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1074 transitions. [2021-04-28 20:17:09,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:09,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1074 transitions. [2021-04-28 20:17:09,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 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) [2021-04-28 20:17:09,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 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) [2021-04-28 20:17:09,103 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 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) [2021-04-28 20:17:09,105 INFO L185 Difference]: Start difference. First operand has 157 places, 145 transitions, 302 flow. Second operand 3 states and 1074 transitions. [2021-04-28 20:17:09,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 143 transitions, 334 flow [2021-04-28 20:17:09,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 143 transitions, 330 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 20:17:09,113 INFO L241 Difference]: Finished difference. Result has 152 places, 74 transitions, 164 flow [2021-04-28 20:17:09,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=152, PETRI_TRANSITIONS=74} [2021-04-28 20:17:09,116 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -5 predicate places. [2021-04-28 20:17:09,116 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:09,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 74 transitions, 164 flow [2021-04-28 20:17:09,117 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 74 transitions, 164 flow [2021-04-28 20:17:09,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 74 transitions, 164 flow [2021-04-28 20:17:09,129 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2021-04-28 20:17:09,130 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:17:09,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 74 events. 0/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 349 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 20:17:09,132 INFO L146 LiptonReduction]: Number of co-enabled transitions 2848 [2021-04-28 20:17:10,077 INFO L158 LiptonReduction]: Checked pairs total: 3664 [2021-04-28 20:17:10,078 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:10,078 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 962 [2021-04-28 20:17:10,081 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 74 transitions, 164 flow [2021-04-28 20:17:10,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 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) [2021-04-28 20:17:10,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:10,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:10,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:17:10,083 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:10,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:10,084 INFO L82 PathProgramCache]: Analyzing trace with hash 874845689, now seen corresponding path program 1 times [2021-04-28 20:17:10,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:10,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298453325] [2021-04-28 20:17:10,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:10,204 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:17:10,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:17:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:17:10,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298453325] [2021-04-28 20:17:10,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:10,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:17:10,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061811528] [2021-04-28 20:17:10,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:17:10,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:10,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:17:10,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:17:10,234 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 428 [2021-04-28 20:17:10,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 74 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 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) [2021-04-28 20:17:10,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:10,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 428 [2021-04-28 20:17:10,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:11,684 INFO L129 PetriNetUnfolder]: 3488/8780 cut-off events. [2021-04-28 20:17:11,684 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:17:11,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13999 conditions, 8780 events. 3488/8780 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1379. Compared 103170 event pairs, 1186 based on Foata normal form. 0/5280 useless extension candidates. Maximal degree in co-relation 13990. Up to 3533 conditions per place. [2021-04-28 20:17:11,732 INFO L132 encePairwiseOnDemand]: 404/428 looper letters, 7 selfloop transitions, 7 changer transitions 50/104 dead transitions. [2021-04-28 20:17:11,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 104 transitions, 352 flow [2021-04-28 20:17:11,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:17:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:17:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2021-04-28 20:17:11,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.616822429906542 [2021-04-28 20:17:11,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 792 transitions. [2021-04-28 20:17:11,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 792 transitions. [2021-04-28 20:17:11,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:11,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 792 transitions. [2021-04-28 20:17:11,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 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) [2021-04-28 20:17:11,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 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) [2021-04-28 20:17:11,745 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 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) [2021-04-28 20:17:11,746 INFO L185 Difference]: Start difference. First operand has 85 places, 74 transitions, 164 flow. Second operand 3 states and 792 transitions. [2021-04-28 20:17:11,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 104 transitions, 352 flow [2021-04-28 20:17:11,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 104 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:17:11,749 INFO L241 Difference]: Finished difference. Result has 87 places, 54 transitions, 158 flow [2021-04-28 20:17:11,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=87, PETRI_TRANSITIONS=54} [2021-04-28 20:17:11,750 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -70 predicate places. [2021-04-28 20:17:11,750 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:11,750 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 54 transitions, 158 flow [2021-04-28 20:17:11,751 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 54 transitions, 158 flow [2021-04-28 20:17:11,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 54 transitions, 158 flow [2021-04-28 20:17:11,821 INFO L129 PetriNetUnfolder]: 152/522 cut-off events. [2021-04-28 20:17:11,822 INFO L130 PetriNetUnfolder]: For 40/51 co-relation queries the response was YES. [2021-04-28 20:17:11,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 522 events. 152/522 cut-off events. For 40/51 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3788 event pairs, 60 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 881. Up to 221 conditions per place. [2021-04-28 20:17:11,835 INFO L146 LiptonReduction]: Number of co-enabled transitions 1678 [2021-04-28 20:17:12,162 INFO L158 LiptonReduction]: Checked pairs total: 536 [2021-04-28 20:17:12,162 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:12,162 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 412 [2021-04-28 20:17:12,164 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 158 flow [2021-04-28 20:17:12,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 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) [2021-04-28 20:17:12,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:12,166 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:12,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:17:12,166 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:12,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:12,167 INFO L82 PathProgramCache]: Analyzing trace with hash 720422730, now seen corresponding path program 1 times [2021-04-28 20:17:12,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:12,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477473169] [2021-04-28 20:17:12,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:12,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:12,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:12,307 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:17:12,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:17:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:17:12,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477473169] [2021-04-28 20:17:12,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:12,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:17:12,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967643753] [2021-04-28 20:17:12,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:17:12,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:12,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:17:12,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:17:12,333 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 428 [2021-04-28 20:17:12,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 158 flow. Second operand has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 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) [2021-04-28 20:17:12,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:12,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 428 [2021-04-28 20:17:12,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:12,448 INFO L129 PetriNetUnfolder]: 122/400 cut-off events. [2021-04-28 20:17:12,448 INFO L130 PetriNetUnfolder]: For 71/300 co-relation queries the response was YES. [2021-04-28 20:17:12,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 400 events. 122/400 cut-off events. For 71/300 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2432 event pairs, 14 based on Foata normal form. 3/276 useless extension candidates. Maximal degree in co-relation 909. Up to 181 conditions per place. [2021-04-28 20:17:12,453 INFO L132 encePairwiseOnDemand]: 420/428 looper letters, 13 selfloop transitions, 8 changer transitions 0/61 dead transitions. [2021-04-28 20:17:12,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 61 transitions, 236 flow [2021-04-28 20:17:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:17:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:17:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 989 transitions. [2021-04-28 20:17:12,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5776869158878505 [2021-04-28 20:17:12,458 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 989 transitions. [2021-04-28 20:17:12,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 989 transitions. [2021-04-28 20:17:12,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:12,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 989 transitions. [2021-04-28 20:17:12,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.25) internal successors, (989), 4 states have internal predecessors, (989), 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) [2021-04-28 20:17:12,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 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) [2021-04-28 20:17:12,468 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 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) [2021-04-28 20:17:12,469 INFO L185 Difference]: Start difference. First operand has 61 places, 54 transitions, 158 flow. Second operand 4 states and 989 transitions. [2021-04-28 20:17:12,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 61 transitions, 236 flow [2021-04-28 20:17:12,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 61 transitions, 214 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:17:12,473 INFO L241 Difference]: Finished difference. Result has 65 places, 58 transitions, 202 flow [2021-04-28 20:17:12,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=202, PETRI_PLACES=65, PETRI_TRANSITIONS=58} [2021-04-28 20:17:12,474 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -92 predicate places. [2021-04-28 20:17:12,474 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:12,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 58 transitions, 202 flow [2021-04-28 20:17:12,475 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 58 transitions, 202 flow [2021-04-28 20:17:12,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 58 transitions, 202 flow [2021-04-28 20:17:12,535 INFO L129 PetriNetUnfolder]: 122/427 cut-off events. [2021-04-28 20:17:12,535 INFO L130 PetriNetUnfolder]: For 148/170 co-relation queries the response was YES. [2021-04-28 20:17:12,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 853 conditions, 427 events. 122/427 cut-off events. For 148/170 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2924 event pairs, 50 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 841. Up to 181 conditions per place. [2021-04-28 20:17:12,547 INFO L146 LiptonReduction]: Number of co-enabled transitions 1822 [2021-04-28 20:17:12,730 INFO L158 LiptonReduction]: Checked pairs total: 639 [2021-04-28 20:17:12,730 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:12,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 256 [2021-04-28 20:17:12,732 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 58 transitions, 202 flow [2021-04-28 20:17:12,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 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) [2021-04-28 20:17:12,734 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:12,734 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:12,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:17:12,734 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:12,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:12,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1086971178, now seen corresponding path program 1 times [2021-04-28 20:17:12,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:12,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083429269] [2021-04-28 20:17:12,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:12,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:12,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:12,795 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:17:12,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:17:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:17:12,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083429269] [2021-04-28 20:17:12,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:12,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:17:12,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471599999] [2021-04-28 20:17:12,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:17:12,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:12,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:17:12,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:17:12,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 428 [2021-04-28 20:17:12,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 58 transitions, 202 flow. Second operand has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 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) [2021-04-28 20:17:12,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:12,815 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 428 [2021-04-28 20:17:12,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:12,905 INFO L129 PetriNetUnfolder]: 106/382 cut-off events. [2021-04-28 20:17:12,905 INFO L130 PetriNetUnfolder]: For 175/323 co-relation queries the response was YES. [2021-04-28 20:17:12,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 382 events. 106/382 cut-off events. For 175/323 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2415 event pairs, 44 based on Foata normal form. 9/264 useless extension candidates. Maximal degree in co-relation 930. Up to 161 conditions per place. [2021-04-28 20:17:12,911 INFO L132 encePairwiseOnDemand]: 420/428 looper letters, 11 selfloop transitions, 16 changer transitions 0/67 dead transitions. [2021-04-28 20:17:12,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 67 transitions, 310 flow [2021-04-28 20:17:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:17:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:17:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 991 transitions. [2021-04-28 20:17:12,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5788551401869159 [2021-04-28 20:17:12,915 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 991 transitions. [2021-04-28 20:17:12,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 991 transitions. [2021-04-28 20:17:12,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:12,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 991 transitions. [2021-04-28 20:17:12,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.75) internal successors, (991), 4 states have internal predecessors, (991), 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) [2021-04-28 20:17:12,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 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) [2021-04-28 20:17:12,925 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 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) [2021-04-28 20:17:12,925 INFO L185 Difference]: Start difference. First operand has 65 places, 58 transitions, 202 flow. Second operand 4 states and 991 transitions. [2021-04-28 20:17:12,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 67 transitions, 310 flow [2021-04-28 20:17:12,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 67 transitions, 305 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:17:12,930 INFO L241 Difference]: Finished difference. Result has 69 places, 64 transitions, 295 flow [2021-04-28 20:17:12,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=295, PETRI_PLACES=69, PETRI_TRANSITIONS=64} [2021-04-28 20:17:12,930 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -88 predicate places. [2021-04-28 20:17:12,930 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:12,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 64 transitions, 295 flow [2021-04-28 20:17:12,931 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 64 transitions, 295 flow [2021-04-28 20:17:12,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 64 transitions, 295 flow [2021-04-28 20:17:12,995 INFO L129 PetriNetUnfolder]: 106/387 cut-off events. [2021-04-28 20:17:12,995 INFO L130 PetriNetUnfolder]: For 306/360 co-relation queries the response was YES. [2021-04-28 20:17:12,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 387 events. 106/387 cut-off events. For 306/360 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2585 event pairs, 35 based on Foata normal form. 0/254 useless extension candidates. Maximal degree in co-relation 914. Up to 161 conditions per place. [2021-04-28 20:17:13,007 INFO L146 LiptonReduction]: Number of co-enabled transitions 2060 [2021-04-28 20:17:13,224 INFO L158 LiptonReduction]: Checked pairs total: 860 [2021-04-28 20:17:13,224 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:13,224 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 294 [2021-04-28 20:17:13,226 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 64 transitions, 295 flow [2021-04-28 20:17:13,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 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) [2021-04-28 20:17:13,227 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:13,228 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:13,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:17:13,228 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:13,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:13,228 INFO L82 PathProgramCache]: Analyzing trace with hash 2073700579, now seen corresponding path program 1 times [2021-04-28 20:17:13,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:13,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284502239] [2021-04-28 20:17:13,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:13,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:13,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:13,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:13,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:17:13,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:13,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:17:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:17:13,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284502239] [2021-04-28 20:17:13,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:13,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:17:13,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68102951] [2021-04-28 20:17:13,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:17:13,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:13,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:17:13,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:17:13,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 428 [2021-04-28 20:17:13,311 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 64 transitions, 295 flow. Second operand has 4 states, 4 states have (on average 329.75) internal successors, (1319), 4 states have internal predecessors, (1319), 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) [2021-04-28 20:17:13,311 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:13,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 428 [2021-04-28 20:17:13,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:20,625 INFO L129 PetriNetUnfolder]: 39155/58265 cut-off events. [2021-04-28 20:17:20,625 INFO L130 PetriNetUnfolder]: For 2782/2907 co-relation queries the response was YES. [2021-04-28 20:17:20,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118427 conditions, 58265 events. 39155/58265 cut-off events. For 2782/2907 co-relation queries the response was YES. Maximal size of possible extension queue 8325. Compared 526594 event pairs, 19495 based on Foata normal form. 1207/18221 useless extension candidates. Maximal degree in co-relation 118410. Up to 37522 conditions per place. [2021-04-28 20:17:21,228 INFO L132 encePairwiseOnDemand]: 408/428 looper letters, 33 selfloop transitions, 32 changer transitions 0/107 dead transitions. [2021-04-28 20:17:21,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 107 transitions, 511 flow [2021-04-28 20:17:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:17:21,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:17:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1711 transitions. [2021-04-28 20:17:21,235 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7995327102803739 [2021-04-28 20:17:21,235 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1711 transitions. [2021-04-28 20:17:21,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1711 transitions. [2021-04-28 20:17:21,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:21,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1711 transitions. [2021-04-28 20:17:21,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 342.2) internal successors, (1711), 5 states have internal predecessors, (1711), 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) [2021-04-28 20:17:21,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 428.0) internal successors, (2568), 6 states have internal predecessors, (2568), 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) [2021-04-28 20:17:21,251 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 428.0) internal successors, (2568), 6 states have internal predecessors, (2568), 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) [2021-04-28 20:17:21,251 INFO L185 Difference]: Start difference. First operand has 69 places, 64 transitions, 295 flow. Second operand 5 states and 1711 transitions. [2021-04-28 20:17:21,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 107 transitions, 511 flow [2021-04-28 20:17:21,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 107 transitions, 511 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:17:21,264 INFO L241 Difference]: Finished difference. Result has 76 places, 94 transitions, 533 flow [2021-04-28 20:17:21,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=533, PETRI_PLACES=76, PETRI_TRANSITIONS=94} [2021-04-28 20:17:21,265 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -81 predicate places. [2021-04-28 20:17:21,265 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:21,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 94 transitions, 533 flow [2021-04-28 20:17:21,266 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 94 transitions, 533 flow [2021-04-28 20:17:21,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 94 transitions, 533 flow [2021-04-28 20:17:25,803 INFO L129 PetriNetUnfolder]: 32941/49406 cut-off events. [2021-04-28 20:17:25,804 INFO L130 PetriNetUnfolder]: For 9158/69898 co-relation queries the response was YES. [2021-04-28 20:17:25,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141905 conditions, 49406 events. 32941/49406 cut-off events. For 9158/69898 co-relation queries the response was YES. Maximal size of possible extension queue 7645. Compared 452119 event pairs, 18503 based on Foata normal form. 6/14786 useless extension candidates. Maximal degree in co-relation 141885. Up to 46711 conditions per place. [2021-04-28 20:17:26,452 INFO L146 LiptonReduction]: Number of co-enabled transitions 3142 [2021-04-28 20:17:29,220 INFO L158 LiptonReduction]: Checked pairs total: 1337 [2021-04-28 20:17:29,220 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:29,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7955 [2021-04-28 20:17:29,222 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 94 transitions, 533 flow [2021-04-28 20:17:29,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 329.75) internal successors, (1319), 4 states have internal predecessors, (1319), 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) [2021-04-28 20:17:29,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:29,224 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:29,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:17:29,224 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:29,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:29,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1614555253, now seen corresponding path program 1 times [2021-04-28 20:17:29,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:29,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865824157] [2021-04-28 20:17:29,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:29,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:29,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:17:29,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:29,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:29,319 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:17:29,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:17:29,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:17:29,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865824157] [2021-04-28 20:17:29,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:29,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:17:29,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191588463] [2021-04-28 20:17:29,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:17:29,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:29,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:17:29,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:17:29,336 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 428 [2021-04-28 20:17:29,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 94 transitions, 533 flow. Second operand has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 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) [2021-04-28 20:17:29,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:29,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 428 [2021-04-28 20:17:29,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:35,067 INFO L129 PetriNetUnfolder]: 44900/66860 cut-off events. [2021-04-28 20:17:35,068 INFO L130 PetriNetUnfolder]: For 19474/611707 co-relation queries the response was YES. [2021-04-28 20:17:35,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192544 conditions, 66860 events. 44900/66860 cut-off events. For 19474/611707 co-relation queries the response was YES. Maximal size of possible extension queue 10653. Compared 619590 event pairs, 25651 based on Foata normal form. 615/20007 useless extension candidates. Maximal degree in co-relation 192522. Up to 62992 conditions per place. [2021-04-28 20:17:35,549 INFO L132 encePairwiseOnDemand]: 422/428 looper letters, 16 selfloop transitions, 12 changer transitions 0/98 dead transitions. [2021-04-28 20:17:35,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 98 transitions, 608 flow [2021-04-28 20:17:35,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:17:35,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:17:35,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 990 transitions. [2021-04-28 20:17:35,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5782710280373832 [2021-04-28 20:17:35,553 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 990 transitions. [2021-04-28 20:17:35,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 990 transitions. [2021-04-28 20:17:35,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:35,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 990 transitions. [2021-04-28 20:17:35,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.5) internal successors, (990), 4 states have internal predecessors, (990), 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) [2021-04-28 20:17:35,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 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) [2021-04-28 20:17:35,562 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 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) [2021-04-28 20:17:35,562 INFO L185 Difference]: Start difference. First operand has 76 places, 94 transitions, 533 flow. Second operand 4 states and 990 transitions. [2021-04-28 20:17:35,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 98 transitions, 608 flow [2021-04-28 20:17:35,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 98 transitions, 608 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:17:35,728 INFO L241 Difference]: Finished difference. Result has 80 places, 94 transitions, 567 flow [2021-04-28 20:17:35,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=567, PETRI_PLACES=80, PETRI_TRANSITIONS=94} [2021-04-28 20:17:35,728 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -77 predicate places. [2021-04-28 20:17:35,728 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:35,728 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 94 transitions, 567 flow [2021-04-28 20:17:35,729 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 94 transitions, 567 flow [2021-04-28 20:17:35,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 94 transitions, 567 flow [2021-04-28 20:17:41,416 INFO L129 PetriNetUnfolder]: 48043/71498 cut-off events. [2021-04-28 20:17:41,416 INFO L130 PetriNetUnfolder]: For 13457/148510 co-relation queries the response was YES. [2021-04-28 20:17:41,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205507 conditions, 71498 events. 48043/71498 cut-off events. For 13457/148510 co-relation queries the response was YES. Maximal size of possible extension queue 11124. Compared 669535 event pairs, 27046 based on Foata normal form. 6/21185 useless extension candidates. Maximal degree in co-relation 205484. Up to 68167 conditions per place. [2021-04-28 20:17:42,204 INFO L146 LiptonReduction]: Number of co-enabled transitions 3140 [2021-04-28 20:17:43,239 INFO L158 LiptonReduction]: Checked pairs total: 1337 [2021-04-28 20:17:43,240 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:43,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7512 [2021-04-28 20:17:43,241 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 94 transitions, 567 flow [2021-04-28 20:17:43,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 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) [2021-04-28 20:17:43,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:43,242 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:17:43,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:17:43,243 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:43,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:43,243 INFO L82 PathProgramCache]: Analyzing trace with hash -172917410, now seen corresponding path program 1 times [2021-04-28 20:17:43,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:43,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52444737] [2021-04-28 20:17:43,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:43,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:43,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:43,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:43,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:43,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:43,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:17:43,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:43,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:17:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:17:43,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52444737] [2021-04-28 20:17:43,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:43,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:17:43,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693165999] [2021-04-28 20:17:43,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:17:43,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:43,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:17:43,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:17:43,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 428 [2021-04-28 20:17:43,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 94 transitions, 567 flow. Second operand has 5 states, 5 states have (on average 329.8) internal successors, (1649), 5 states have internal predecessors, (1649), 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) [2021-04-28 20:17:43,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:43,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 428 [2021-04-28 20:17:43,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:52,128 INFO L129 PetriNetUnfolder]: 58625/90965 cut-off events. [2021-04-28 20:17:52,128 INFO L130 PetriNetUnfolder]: For 32976/665903 co-relation queries the response was YES. [2021-04-28 20:17:52,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 349558 conditions, 90965 events. 58625/90965 cut-off events. For 32976/665903 co-relation queries the response was YES. Maximal size of possible extension queue 13746. Compared 911400 event pairs, 11552 based on Foata normal form. 1971/31251 useless extension candidates. Maximal degree in co-relation 349533. Up to 84334 conditions per place. [2021-04-28 20:17:52,784 INFO L132 encePairwiseOnDemand]: 408/428 looper letters, 34 selfloop transitions, 62 changer transitions 0/138 dead transitions. [2021-04-28 20:17:52,784 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 138 transitions, 1004 flow [2021-04-28 20:17:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:17:52,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:17:52,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2399 transitions. [2021-04-28 20:17:52,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8007343124165555 [2021-04-28 20:17:52,793 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2399 transitions. [2021-04-28 20:17:52,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2399 transitions. [2021-04-28 20:17:52,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:52,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2399 transitions. [2021-04-28 20:17:52,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 342.7142857142857) internal successors, (2399), 7 states have internal predecessors, (2399), 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) [2021-04-28 20:17:52,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 428.0) internal successors, (3424), 8 states have internal predecessors, (3424), 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) [2021-04-28 20:17:52,810 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 428.0) internal successors, (3424), 8 states have internal predecessors, (3424), 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) [2021-04-28 20:17:52,810 INFO L185 Difference]: Start difference. First operand has 80 places, 94 transitions, 567 flow. Second operand 7 states and 2399 transitions. [2021-04-28 20:17:52,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 138 transitions, 1004 flow [2021-04-28 20:17:53,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 138 transitions, 963 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-04-28 20:17:53,122 INFO L241 Difference]: Finished difference. Result has 87 places, 124 transitions, 956 flow [2021-04-28 20:17:53,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=956, PETRI_PLACES=87, PETRI_TRANSITIONS=124} [2021-04-28 20:17:53,123 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -70 predicate places. [2021-04-28 20:17:53,123 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:53,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 124 transitions, 956 flow [2021-04-28 20:17:53,123 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 124 transitions, 956 flow [2021-04-28 20:17:53,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 124 transitions, 956 flow [2021-04-28 20:18:00,391 INFO L129 PetriNetUnfolder]: 47951/74882 cut-off events. [2021-04-28 20:18:00,391 INFO L130 PetriNetUnfolder]: For 154227/389094 co-relation queries the response was YES. [2021-04-28 20:18:00,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 354931 conditions, 74882 events. 47951/74882 cut-off events. For 154227/389094 co-relation queries the response was YES. Maximal size of possible extension queue 10402. Compared 753602 event pairs, 10648 based on Foata normal form. 40/23479 useless extension candidates. Maximal degree in co-relation 354905. Up to 71248 conditions per place. [2021-04-28 20:18:01,335 INFO L146 LiptonReduction]: Number of co-enabled transitions 4396 [2021-04-28 20:18:19,899 INFO L158 LiptonReduction]: Checked pairs total: 2339 [2021-04-28 20:18:19,899 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:18:19,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26776 [2021-04-28 20:18:19,900 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 124 transitions, 956 flow [2021-04-28 20:18:19,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 329.8) internal successors, (1649), 5 states have internal predecessors, (1649), 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) [2021-04-28 20:18:19,901 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:18:19,902 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:18:19,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:18:19,902 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:18:19,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:18:19,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1822036527, now seen corresponding path program 1 times [2021-04-28 20:18:19,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:18:19,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295262645] [2021-04-28 20:18:19,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:18:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:18:19,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:19,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:18:19,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:19,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:18:19,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:19,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:18:19,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:19,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:18:19,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:18:19,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:18:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:18:19,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295262645] [2021-04-28 20:18:19,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:18:19,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:18:19,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420411919] [2021-04-28 20:18:19,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:18:19,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:18:19,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:18:19,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:18:19,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 428 [2021-04-28 20:18:19,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 124 transitions, 956 flow. Second operand has 6 states, 6 states have (on average 329.8333333333333) internal successors, (1979), 6 states have internal predecessors, (1979), 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) [2021-04-28 20:18:19,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:18:19,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 428 [2021-04-28 20:18:19,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:18:29,936 INFO L129 PetriNetUnfolder]: 54230/89516 cut-off events. [2021-04-28 20:18:29,936 INFO L130 PetriNetUnfolder]: For 101715/1787346 co-relation queries the response was YES. [2021-04-28 20:18:30,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 507676 conditions, 89516 events. 54230/89516 cut-off events. For 101715/1787346 co-relation queries the response was YES. Maximal size of possible extension queue 14079. Compared 963074 event pairs, 1891 based on Foata normal form. 2102/30893 useless extension candidates. Maximal degree in co-relation 507648. Up to 83797 conditions per place. [2021-04-28 20:18:30,640 INFO L132 encePairwiseOnDemand]: 408/428 looper letters, 23 selfloop transitions, 92 changer transitions 12/169 dead transitions. [2021-04-28 20:18:30,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 169 transitions, 1614 flow [2021-04-28 20:18:30,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:18:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:18:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3087 transitions. [2021-04-28 20:18:30,649 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8014018691588785 [2021-04-28 20:18:30,650 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3087 transitions. [2021-04-28 20:18:30,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3087 transitions. [2021-04-28 20:18:30,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:18:30,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3087 transitions. [2021-04-28 20:18:30,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 343.0) internal successors, (3087), 9 states have internal predecessors, (3087), 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) [2021-04-28 20:18:30,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 428.0) internal successors, (4280), 10 states have internal predecessors, (4280), 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) [2021-04-28 20:18:30,671 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 428.0) internal successors, (4280), 10 states have internal predecessors, (4280), 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) [2021-04-28 20:18:30,671 INFO L185 Difference]: Start difference. First operand has 87 places, 124 transitions, 956 flow. Second operand 9 states and 3087 transitions. [2021-04-28 20:18:30,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 169 transitions, 1614 flow [2021-04-28 20:18:45,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 169 transitions, 1447 flow, removed 54 selfloop flow, removed 4 redundant places. [2021-04-28 20:18:45,666 INFO L241 Difference]: Finished difference. Result has 94 places, 154 transitions, 1364 flow [2021-04-28 20:18:45,667 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1364, PETRI_PLACES=94, PETRI_TRANSITIONS=154} [2021-04-28 20:18:45,667 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -63 predicate places. [2021-04-28 20:18:45,667 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:18:45,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 154 transitions, 1364 flow [2021-04-28 20:18:45,668 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 154 transitions, 1364 flow [2021-04-28 20:18:45,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 154 transitions, 1364 flow [2021-04-28 20:18:51,904 INFO L129 PetriNetUnfolder]: 35243/62412 cut-off events. [2021-04-28 20:18:51,904 INFO L130 PetriNetUnfolder]: For 191060/244466 co-relation queries the response was YES. [2021-04-28 20:18:52,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 362656 conditions, 62412 events. 35243/62412 cut-off events. For 191060/244466 co-relation queries the response was YES. Maximal size of possible extension queue 10849. Compared 733716 event pairs, 1747 based on Foata normal form. 1/19832 useless extension candidates. Maximal degree in co-relation 362628. Up to 50158 conditions per place. [2021-04-28 20:18:52,785 INFO L146 LiptonReduction]: Number of co-enabled transitions 5050 [2021-04-28 20:19:37,479 INFO L158 LiptonReduction]: Checked pairs total: 3332 [2021-04-28 20:19:37,479 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:19:37,479 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51812 [2021-04-28 20:19:37,480 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 154 transitions, 1364 flow [2021-04-28 20:19:37,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 329.8333333333333) internal successors, (1979), 6 states have internal predecessors, (1979), 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) [2021-04-28 20:19:37,482 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:19:37,482 INFO L263 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] [2021-04-28 20:19:37,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:19:37,482 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:19:37,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:19:37,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1385463977, now seen corresponding path program 1 times [2021-04-28 20:19:37,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:19:37,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369916671] [2021-04-28 20:19:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:19:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:19:37,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:19:37,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:19:37,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:19:37,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:19:37,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:19:37,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:19:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:19:37,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369916671] [2021-04-28 20:19:37,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:19:37,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:19:37,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686431792] [2021-04-28 20:19:37,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:19:37,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:19:37,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:19:37,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:19:37,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 428 [2021-04-28 20:19:37,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 154 transitions, 1364 flow. Second operand has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 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) [2021-04-28 20:19:37,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:19:37,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 428 [2021-04-28 20:19:37,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:19:51,314 INFO L129 PetriNetUnfolder]: 68000/119171 cut-off events. [2021-04-28 20:19:51,315 INFO L130 PetriNetUnfolder]: For 757456/1341298 co-relation queries the response was YES. [2021-04-28 20:19:52,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 697833 conditions, 119171 events. 68000/119171 cut-off events. For 757456/1341298 co-relation queries the response was YES. Maximal size of possible extension queue 22947. Compared 1444455 event pairs, 3577 based on Foata normal form. 163/36572 useless extension candidates. Maximal degree in co-relation 697803. Up to 96652 conditions per place. [2021-04-28 20:19:52,503 INFO L132 encePairwiseOnDemand]: 425/428 looper letters, 6 selfloop transitions, 4 changer transitions 0/158 dead transitions. [2021-04-28 20:19:52,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 158 transitions, 1412 flow [2021-04-28 20:19:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:19:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:19:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1023 transitions. [2021-04-28 20:19:52,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5975467289719626 [2021-04-28 20:19:52,508 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1023 transitions. [2021-04-28 20:19:52,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1023 transitions. [2021-04-28 20:19:52,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:19:52,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1023 transitions. [2021-04-28 20:19:52,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 255.75) internal successors, (1023), 4 states have internal predecessors, (1023), 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) [2021-04-28 20:19:52,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 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) [2021-04-28 20:19:52,515 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 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) [2021-04-28 20:19:52,515 INFO L185 Difference]: Start difference. First operand has 94 places, 154 transitions, 1364 flow. Second operand 4 states and 1023 transitions. [2021-04-28 20:19:52,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 158 transitions, 1412 flow [2021-04-28 20:28:54,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 158 transitions, 1088 flow, removed 106 selfloop flow, removed 5 redundant places. [2021-04-28 20:28:54,534 INFO L241 Difference]: Finished difference. Result has 94 places, 157 transitions, 1083 flow [2021-04-28 20:28:54,534 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1083, PETRI_PLACES=94, PETRI_TRANSITIONS=157} [2021-04-28 20:28:54,535 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -63 predicate places. [2021-04-28 20:28:54,535 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:28:54,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 157 transitions, 1083 flow [2021-04-28 20:28:54,535 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 157 transitions, 1083 flow [2021-04-28 20:28:54,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 157 transitions, 1083 flow [2021-04-28 20:29:03,419 INFO L129 PetriNetUnfolder]: 66425/115903 cut-off events. [2021-04-28 20:29:03,420 INFO L130 PetriNetUnfolder]: For 120598/124984 co-relation queries the response was YES. [2021-04-28 20:29:04,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 435863 conditions, 115903 events. 66425/115903 cut-off events. For 120598/124984 co-relation queries the response was YES. Maximal size of possible extension queue 21362. Compared 1434941 event pairs, 3495 based on Foata normal form. 2/35915 useless extension candidates. Maximal degree in co-relation 435834. Up to 56053 conditions per place. [2021-04-28 20:29:05,316 INFO L146 LiptonReduction]: Number of co-enabled transitions 5298 [2021-04-28 20:29:06,863 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-28 20:29:07,343 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-04-28 20:29:09,550 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 302 DAG size of output: 257 [2021-04-28 20:29:10,531 WARN L205 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 254 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown