/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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 10:57:20,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 10:57:20,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 10:57:20,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 10:57:20,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 10:57:20,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 10:57:20,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 10:57:20,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 10:57:20,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 10:57:20,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 10:57:20,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 10:57:20,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 10:57:20,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 10:57:20,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 10:57:20,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 10:57:20,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 10:57:20,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 10:57:20,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 10:57:20,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 10:57:20,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 10:57:20,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 10:57:20,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 10:57:20,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 10:57:20,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 10:57:20,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 10:57:20,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 10:57:20,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 10:57:20,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 10:57:20,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 10:57:20,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 10:57:20,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 10:57:20,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 10:57:20,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 10:57:20,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 10:57:20,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 10:57:20,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 10:57:20,468 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-VariableLbe.epf [2021-03-24 10:57:20,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 10:57:20,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 10:57:20,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 10:57:20,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 10:57:20,490 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 10:57:20,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 10:57:20,491 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 10:57:20,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 10:57:20,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 10:57:20,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 10:57:20,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 10:57:20,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 10:57:20,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 10:57:20,492 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 10:57:20,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 10:57:20,492 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 10:57:20,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 10:57:20,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 10:57:20,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 10:57:20,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 10:57:20,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 10:57:20,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:57:20,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 10:57:20,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 10:57:20,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 10:57:20,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 10:57:20,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 10:57:20,494 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 10:57:20,494 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 10:57:20,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 10:57:20,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 10:57:20,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 10:57:20,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 10:57:20,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 10:57:20,777 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 10:57:20,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i [2021-03-24 10:57:20,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8f0968e/5313c34fee9d48d7bf879705046ad86d/FLAG05c2aec8f [2021-03-24 10:57:21,382 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 10:57:21,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i [2021-03-24 10:57:21,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8f0968e/5313c34fee9d48d7bf879705046ad86d/FLAG05c2aec8f [2021-03-24 10:57:21,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8f0968e/5313c34fee9d48d7bf879705046ad86d [2021-03-24 10:57:21,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 10:57:21,841 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 10:57:21,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 10:57:21,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 10:57:21,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 10:57:21,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:57:21" (1/1) ... [2021-03-24 10:57:21,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190cfb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:21, skipping insertion in model container [2021-03-24 10:57:21,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:57:21" (1/1) ... [2021-03-24 10:57:21,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 10:57:21,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 10:57:22,067 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i[991,1004] [2021-03-24 10:57:22,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:57:22,212 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 10:57:22,221 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i[991,1004] [2021-03-24 10:57:22,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:57:22,350 INFO L208 MainTranslator]: Completed translation [2021-03-24 10:57:22,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22 WrapperNode [2021-03-24 10:57:22,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 10:57:22,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 10:57:22,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 10:57:22,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 10:57:22,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (1/1) ... [2021-03-24 10:57:22,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (1/1) ... [2021-03-24 10:57:22,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 10:57:22,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 10:57:22,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 10:57:22,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 10:57:22,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (1/1) ... [2021-03-24 10:57:22,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (1/1) ... [2021-03-24 10:57:22,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (1/1) ... [2021-03-24 10:57:22,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (1/1) ... [2021-03-24 10:57:22,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (1/1) ... [2021-03-24 10:57:22,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (1/1) ... [2021-03-24 10:57:22,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (1/1) ... [2021-03-24 10:57:22,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 10:57:22,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 10:57:22,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 10:57:22,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 10:57:22,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:57:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 10:57:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 10:57:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 10:57:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 10:57:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 10:57:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 10:57:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 10:57:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 10:57:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 10:57:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 10:57:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 10:57:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 10:57:22,585 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 10:57:25,079 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 10:57:25,080 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 10:57:25,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:57:25 BoogieIcfgContainer [2021-03-24 10:57:25,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 10:57:25,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 10:57:25,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 10:57:25,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 10:57:25,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 10:57:21" (1/3) ... [2021-03-24 10:57:25,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759a0761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:57:25, skipping insertion in model container [2021-03-24 10:57:25,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:57:22" (2/3) ... [2021-03-24 10:57:25,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759a0761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:57:25, skipping insertion in model container [2021-03-24 10:57:25,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:57:25" (3/3) ... [2021-03-24 10:57:25,087 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_rmo.opt.i [2021-03-24 10:57:25,092 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 10:57:25,095 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 10:57:25,096 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 10:57:25,129 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,129 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,129 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,129 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,129 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,130 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,130 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,145 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,145 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,145 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,145 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,145 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,146 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,146 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,146 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,161 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,162 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,167 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,168 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,168 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:57:25,170 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 10:57:25,185 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-24 10:57:25,202 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 10:57:25,202 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 10:57:25,202 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 10:57:25,202 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 10:57:25,203 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 10:57:25,203 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 10:57:25,203 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 10:57:25,203 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 10:57:25,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-03-24 10:57:25,240 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-24 10:57:25,240 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:57:25,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-24 10:57:25,243 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow [2021-03-24 10:57:25,247 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow [2021-03-24 10:57:25,248 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 10:57:25,255 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-24 10:57:25,257 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-24 10:57:25,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 172 flow [2021-03-24 10:57:25,274 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-24 10:57:25,275 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:57:25,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-24 10:57:25,277 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-24 10:57:26,116 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-24 10:57:26,415 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-24 10:57:27,723 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-24 10:57:28,270 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-24 10:57:28,492 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 10:57:28,851 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 10:57:29,779 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-24 10:57:30,052 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-24 10:57:30,611 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-24 10:57:31,117 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-24 10:57:31,515 INFO L154 LiptonReduction]: Checked pairs total: 1902 [2021-03-24 10:57:31,516 INFO L156 LiptonReduction]: Total number of compositions: 56 [2021-03-24 10:57:31,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6270 [2021-03-24 10:57:31,528 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-24 10:57:31,528 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:57:31,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:31,529 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:57:31,529 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:31,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:31,535 INFO L82 PathProgramCache]: Analyzing trace with hash 985276753, now seen corresponding path program 1 times [2021-03-24 10:57:31,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:31,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080865577] [2021-03-24 10:57:31,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:31,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:31,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:31,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:31,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:31,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:31,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080865577] [2021-03-24 10:57:31,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:31,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 10:57:31,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599465176] [2021-03-24 10:57:31,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 10:57:31,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:31,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 10:57:31,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 10:57:31,831 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 141 [2021-03-24 10:57:31,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:31,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:31,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 141 [2021-03-24 10:57:31,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:31,941 INFO L129 PetriNetUnfolder]: 57/161 cut-off events. [2021-03-24 10:57:31,942 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:57:31,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 161 events. 57/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 699 event pairs, 6 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 256. Up to 88 conditions per place. [2021-03-24 10:57:31,945 INFO L132 encePairwiseOnDemand]: 137/141 looper letters, 12 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2021-03-24 10:57:31,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 35 transitions, 104 flow [2021-03-24 10:57:31,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 10:57:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 10:57:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2021-03-24 10:57:31,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8628841607565012 [2021-03-24 10:57:31,964 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2021-03-24 10:57:31,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2021-03-24 10:57:31,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:31,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2021-03-24 10:57:31,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:31,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:31,979 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:31,981 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 365 transitions. [2021-03-24 10:57:31,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 35 transitions, 104 flow [2021-03-24 10:57:31,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 10:57:31,985 INFO L241 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2021-03-24 10:57:31,986 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2021-03-24 10:57:31,987 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-24 10:57:31,987 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 68 flow [2021-03-24 10:57:31,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:31,988 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:31,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:57:31,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 10:57:31,989 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:31,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:31,990 INFO L82 PathProgramCache]: Analyzing trace with hash 575567191, now seen corresponding path program 1 times [2021-03-24 10:57:31,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:31,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945152811] [2021-03-24 10:57:31,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:32,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:32,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:32,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:32,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945152811] [2021-03-24 10:57:32,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:32,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:57:32,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668423318] [2021-03-24 10:57:32,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:57:32,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:32,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:57:32,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:57:32,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 141 [2021-03-24 10:57:32,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:32,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 141 [2021-03-24 10:57:32,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:32,156 INFO L129 PetriNetUnfolder]: 2/39 cut-off events. [2021-03-24 10:57:32,156 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:57:32,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 39 events. 2/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 40. Up to 4 conditions per place. [2021-03-24 10:57:32,156 INFO L132 encePairwiseOnDemand]: 136/141 looper letters, 2 selfloop transitions, 2 changer transitions 7/34 dead transitions. [2021-03-24 10:57:32,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 34 transitions, 94 flow [2021-03-24 10:57:32,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:57:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:57:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 596 transitions. [2021-03-24 10:57:32,159 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8453900709219858 [2021-03-24 10:57:32,159 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 596 transitions. [2021-03-24 10:57:32,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 596 transitions. [2021-03-24 10:57:32,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:32,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 596 transitions. [2021-03-24 10:57:32,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,164 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,164 INFO L185 Difference]: Start difference. First operand has 37 places, 30 transitions, 68 flow. Second operand 5 states and 596 transitions. [2021-03-24 10:57:32,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 34 transitions, 94 flow [2021-03-24 10:57:32,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 34 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 10:57:32,165 INFO L241 Difference]: Finished difference. Result has 42 places, 27 transitions, 70 flow [2021-03-24 10:57:32,166 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=70, PETRI_PLACES=42, PETRI_TRANSITIONS=27} [2021-03-24 10:57:32,166 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2021-03-24 10:57:32,166 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 27 transitions, 70 flow [2021-03-24 10:57:32,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,167 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:32,167 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] [2021-03-24 10:57:32,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 10:57:32,167 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:32,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:32,167 INFO L82 PathProgramCache]: Analyzing trace with hash 33604118, now seen corresponding path program 1 times [2021-03-24 10:57:32,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:32,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663790287] [2021-03-24 10:57:32,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:32,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:32,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:32,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:32,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663790287] [2021-03-24 10:57:32,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:32,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:57:32,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105727386] [2021-03-24 10:57:32,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:57:32,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:32,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:57:32,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:57:32,302 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 141 [2021-03-24 10:57:32,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 27 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:32,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 141 [2021-03-24 10:57:32,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:32,325 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-03-24 10:57:32,325 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-24 10:57:32,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 32 events. 0/32 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 29 event pairs, 0 based on Foata normal form. 2/34 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-24 10:57:32,326 INFO L132 encePairwiseOnDemand]: 137/141 looper letters, 2 selfloop transitions, 2 changer transitions 2/29 dead transitions. [2021-03-24 10:57:32,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 29 transitions, 88 flow [2021-03-24 10:57:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:57:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:57:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 588 transitions. [2021-03-24 10:57:32,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8340425531914893 [2021-03-24 10:57:32,328 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 588 transitions. [2021-03-24 10:57:32,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 588 transitions. [2021-03-24 10:57:32,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:32,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 588 transitions. [2021-03-24 10:57:32,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,332 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,332 INFO L185 Difference]: Start difference. First operand has 42 places, 27 transitions, 70 flow. Second operand 5 states and 588 transitions. [2021-03-24 10:57:32,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 29 transitions, 88 flow [2021-03-24 10:57:32,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 29 transitions, 80 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 10:57:32,333 INFO L241 Difference]: Finished difference. Result has 40 places, 27 transitions, 74 flow [2021-03-24 10:57:32,333 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=74, PETRI_PLACES=40, PETRI_TRANSITIONS=27} [2021-03-24 10:57:32,334 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2021-03-24 10:57:32,334 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 74 flow [2021-03-24 10:57:32,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,334 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:32,334 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] [2021-03-24 10:57:32,334 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 10:57:32,335 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:32,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:32,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1489108288, now seen corresponding path program 1 times [2021-03-24 10:57:32,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:32,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053570406] [2021-03-24 10:57:32,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:32,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:32,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:32,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:32,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:32,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:32,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 10:57:32,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:32,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053570406] [2021-03-24 10:57:32,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:32,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 10:57:32,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533774535] [2021-03-24 10:57:32,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 10:57:32,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:32,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 10:57:32,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 10:57:32,515 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 141 [2021-03-24 10:57:32,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 27 transitions, 74 flow. Second operand has 7 states, 7 states have (on average 97.42857142857143) internal successors, (682), 7 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:32,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 141 [2021-03-24 10:57:32,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:32,751 INFO L129 PetriNetUnfolder]: 76/187 cut-off events. [2021-03-24 10:57:32,751 INFO L130 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2021-03-24 10:57:32,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 187 events. 76/187 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 755 event pairs, 12 based on Foata normal form. 8/190 useless extension candidates. Maximal degree in co-relation 383. Up to 103 conditions per place. [2021-03-24 10:57:32,755 INFO L132 encePairwiseOnDemand]: 130/141 looper letters, 14 selfloop transitions, 9 changer transitions 7/44 dead transitions. [2021-03-24 10:57:32,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 173 flow [2021-03-24 10:57:32,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 10:57:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 10:57:32,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 800 transitions. [2021-03-24 10:57:32,759 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7092198581560284 [2021-03-24 10:57:32,759 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 800 transitions. [2021-03-24 10:57:32,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 800 transitions. [2021-03-24 10:57:32,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:32,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 800 transitions. [2021-03-24 10:57:32,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,764 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,764 INFO L185 Difference]: Start difference. First operand has 40 places, 27 transitions, 74 flow. Second operand 8 states and 800 transitions. [2021-03-24 10:57:32,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 173 flow [2021-03-24 10:57:32,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 44 transitions, 165 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 10:57:32,769 INFO L241 Difference]: Finished difference. Result has 45 places, 33 transitions, 134 flow [2021-03-24 10:57:32,769 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=134, PETRI_PLACES=45, PETRI_TRANSITIONS=33} [2021-03-24 10:57:32,769 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2021-03-24 10:57:32,769 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 33 transitions, 134 flow [2021-03-24 10:57:32,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 97.42857142857143) internal successors, (682), 7 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,770 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:32,770 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] [2021-03-24 10:57:32,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 10:57:32,771 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:32,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:32,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1508736328, now seen corresponding path program 2 times [2021-03-24 10:57:32,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:32,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358016796] [2021-03-24 10:57:32,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:32,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:32,894 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 10:57:32,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:32,897 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 10:57:32,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:32,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 10:57:32,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 10:57:32,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 10:57:32,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 10:57:32,938 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 10:57:32,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 10:57:32,948 INFO L142 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size [2021-03-24 10:57:32,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 10:57:32,961 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-03-24 10:57:32,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 10:57:32,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:32,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:32,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358016796] [2021-03-24 10:57:32,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:32,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 10:57:32,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663985210] [2021-03-24 10:57:32,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 10:57:32,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:32,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 10:57:32,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-24 10:57:32,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 141 [2021-03-24 10:57:32,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 33 transitions, 134 flow. Second operand has 11 states, 11 states have (on average 85.0909090909091) internal successors, (936), 11 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:32,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:32,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 141 [2021-03-24 10:57:32,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:33,408 INFO L129 PetriNetUnfolder]: 212/406 cut-off events. [2021-03-24 10:57:33,408 INFO L130 PetriNetUnfolder]: For 374/376 co-relation queries the response was YES. [2021-03-24 10:57:33,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1265 conditions, 406 events. 212/406 cut-off events. For 374/376 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1681 event pairs, 10 based on Foata normal form. 14/420 useless extension candidates. Maximal degree in co-relation 1237. Up to 166 conditions per place. [2021-03-24 10:57:33,414 INFO L132 encePairwiseOnDemand]: 125/141 looper letters, 44 selfloop transitions, 29 changer transitions 16/99 dead transitions. [2021-03-24 10:57:33,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 99 transitions, 596 flow [2021-03-24 10:57:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-24 10:57:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-24 10:57:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1429 transitions. [2021-03-24 10:57:33,417 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6334219858156028 [2021-03-24 10:57:33,417 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1429 transitions. [2021-03-24 10:57:33,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1429 transitions. [2021-03-24 10:57:33,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:33,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1429 transitions. [2021-03-24 10:57:33,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 89.3125) internal successors, (1429), 16 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:33,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 141.0) internal successors, (2397), 17 states have internal predecessors, (2397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:33,424 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 141.0) internal successors, (2397), 17 states have internal predecessors, (2397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:33,424 INFO L185 Difference]: Start difference. First operand has 45 places, 33 transitions, 134 flow. Second operand 16 states and 1429 transitions. [2021-03-24 10:57:33,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 99 transitions, 596 flow [2021-03-24 10:57:33,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 99 transitions, 585 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 10:57:33,429 INFO L241 Difference]: Finished difference. Result has 65 places, 57 transitions, 387 flow [2021-03-24 10:57:33,429 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=387, PETRI_PLACES=65, PETRI_TRANSITIONS=57} [2021-03-24 10:57:33,429 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 27 predicate places. [2021-03-24 10:57:33,429 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 57 transitions, 387 flow [2021-03-24 10:57:33,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 85.0909090909091) internal successors, (936), 11 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:33,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:33,430 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, 1] [2021-03-24 10:57:33,430 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 10:57:33,430 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:33,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:33,430 INFO L82 PathProgramCache]: Analyzing trace with hash 325763275, now seen corresponding path program 1 times [2021-03-24 10:57:33,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:33,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119534529] [2021-03-24 10:57:33,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:33,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:33,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:33,505 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 10:57:33,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:33,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:33,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:33,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-03-24 10:57:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 10:57:33,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:33,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:33,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:33,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:33,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:33,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119534529] [2021-03-24 10:57:33,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:33,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:57:33,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887815455] [2021-03-24 10:57:33,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:57:33,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:33,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:57:33,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:57:33,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 141 [2021-03-24 10:57:33,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 57 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:33,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:33,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 141 [2021-03-24 10:57:33,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:33,814 INFO L129 PetriNetUnfolder]: 270/518 cut-off events. [2021-03-24 10:57:33,815 INFO L130 PetriNetUnfolder]: For 1735/1751 co-relation queries the response was YES. [2021-03-24 10:57:33,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2350 conditions, 518 events. 270/518 cut-off events. For 1735/1751 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2350 event pairs, 32 based on Foata normal form. 12/528 useless extension candidates. Maximal degree in co-relation 2308. Up to 219 conditions per place. [2021-03-24 10:57:33,819 INFO L132 encePairwiseOnDemand]: 130/141 looper letters, 44 selfloop transitions, 16 changer transitions 40/113 dead transitions. [2021-03-24 10:57:33,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 113 transitions, 1005 flow [2021-03-24 10:57:33,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 10:57:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 10:57:33,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 867 transitions. [2021-03-24 10:57:33,822 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6832151300236406 [2021-03-24 10:57:33,822 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 867 transitions. [2021-03-24 10:57:33,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 867 transitions. [2021-03-24 10:57:33,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:33,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 867 transitions. [2021-03-24 10:57:33,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 96.33333333333333) internal successors, (867), 9 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:33,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 141.0) internal successors, (1410), 10 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:33,826 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 141.0) internal successors, (1410), 10 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:33,826 INFO L185 Difference]: Start difference. First operand has 65 places, 57 transitions, 387 flow. Second operand 9 states and 867 transitions. [2021-03-24 10:57:33,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 113 transitions, 1005 flow [2021-03-24 10:57:33,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 113 transitions, 949 flow, removed 27 selfloop flow, removed 5 redundant places. [2021-03-24 10:57:33,837 INFO L241 Difference]: Finished difference. Result has 70 places, 61 transitions, 466 flow [2021-03-24 10:57:33,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=466, PETRI_PLACES=70, PETRI_TRANSITIONS=61} [2021-03-24 10:57:33,837 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 32 predicate places. [2021-03-24 10:57:33,837 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 61 transitions, 466 flow [2021-03-24 10:57:33,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:33,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:33,837 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, 1] [2021-03-24 10:57:33,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 10:57:33,838 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:33,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:33,845 INFO L82 PathProgramCache]: Analyzing trace with hash 798912586, now seen corresponding path program 1 times [2021-03-24 10:57:33,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:33,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489556406] [2021-03-24 10:57:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:33,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:33,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:33,984 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 10:57:33,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:33,987 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 10:57:33,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:33,993 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 10:57:33,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:34,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 10:57:34,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 10:57:34,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:57:34,057 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 10:57:34,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 10:57:34,090 INFO L142 QuantifierPusher]: treesize reduction 58, result has 60.8 percent of original size [2021-03-24 10:57:34,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-24 10:57:34,132 INFO L142 QuantifierPusher]: treesize reduction 45, result has 69.2 percent of original size [2021-03-24 10:57:34,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 10:57:34,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 10:57:34,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 10:57:34,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:34,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489556406] [2021-03-24 10:57:34,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:34,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 10:57:34,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849805353] [2021-03-24 10:57:34,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-24 10:57:34,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:34,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-24 10:57:34,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-03-24 10:57:34,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 141 [2021-03-24 10:57:34,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 61 transitions, 466 flow. Second operand has 14 states, 14 states have (on average 82.92857142857143) internal successors, (1161), 14 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:34,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:34,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 141 [2021-03-24 10:57:34,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:34,784 INFO L129 PetriNetUnfolder]: 171/354 cut-off events. [2021-03-24 10:57:34,784 INFO L130 PetriNetUnfolder]: For 1407/1416 co-relation queries the response was YES. [2021-03-24 10:57:34,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1735 conditions, 354 events. 171/354 cut-off events. For 1407/1416 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1498 event pairs, 5 based on Foata normal form. 11/365 useless extension candidates. Maximal degree in co-relation 1690. Up to 139 conditions per place. [2021-03-24 10:57:34,788 INFO L132 encePairwiseOnDemand]: 127/141 looper letters, 57 selfloop transitions, 26 changer transitions 12/105 dead transitions. [2021-03-24 10:57:34,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 105 transitions, 1003 flow [2021-03-24 10:57:34,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 10:57:34,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 10:57:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1301 transitions. [2021-03-24 10:57:34,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6151300236406619 [2021-03-24 10:57:34,792 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1301 transitions. [2021-03-24 10:57:34,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1301 transitions. [2021-03-24 10:57:34,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:34,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1301 transitions. [2021-03-24 10:57:34,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 86.73333333333333) internal successors, (1301), 15 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:34,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 141.0) internal successors, (2256), 16 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:34,802 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 141.0) internal successors, (2256), 16 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:34,802 INFO L185 Difference]: Start difference. First operand has 70 places, 61 transitions, 466 flow. Second operand 15 states and 1301 transitions. [2021-03-24 10:57:34,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 105 transitions, 1003 flow [2021-03-24 10:57:34,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 105 transitions, 937 flow, removed 26 selfloop flow, removed 6 redundant places. [2021-03-24 10:57:34,811 INFO L241 Difference]: Finished difference. Result has 81 places, 70 transitions, 618 flow [2021-03-24 10:57:34,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=618, PETRI_PLACES=81, PETRI_TRANSITIONS=70} [2021-03-24 10:57:34,812 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 43 predicate places. [2021-03-24 10:57:34,812 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 70 transitions, 618 flow [2021-03-24 10:57:34,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 82.92857142857143) internal successors, (1161), 14 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:34,812 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:34,812 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, 1] [2021-03-24 10:57:34,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 10:57:34,813 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:34,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:34,813 INFO L82 PathProgramCache]: Analyzing trace with hash 824464615, now seen corresponding path program 2 times [2021-03-24 10:57:34,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:34,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720053138] [2021-03-24 10:57:34,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:34,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:34,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:34,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 10:57:34,931 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-24 10:57:34,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 10:57:34,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:34,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 10:57:34,954 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-24 10:57:34,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 10:57:34,980 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-24 10:57:34,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 10:57:34,992 INFO L142 QuantifierPusher]: treesize reduction 6, result has 60.0 percent of original size [2021-03-24 10:57:34,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:57:34,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:35,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:35,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720053138] [2021-03-24 10:57:35,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:35,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 10:57:35,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070762889] [2021-03-24 10:57:35,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 10:57:35,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:35,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 10:57:35,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-24 10:57:35,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 141 [2021-03-24 10:57:35,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 70 transitions, 618 flow. Second operand has 11 states, 11 states have (on average 90.18181818181819) internal successors, (992), 11 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:35,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:35,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 141 [2021-03-24 10:57:35,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:35,667 INFO L129 PetriNetUnfolder]: 83/230 cut-off events. [2021-03-24 10:57:35,667 INFO L130 PetriNetUnfolder]: For 1271/1287 co-relation queries the response was YES. [2021-03-24 10:57:35,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1269 conditions, 230 events. 83/230 cut-off events. For 1271/1287 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1087 event pairs, 5 based on Foata normal form. 14/244 useless extension candidates. Maximal degree in co-relation 1217. Up to 130 conditions per place. [2021-03-24 10:57:35,673 INFO L132 encePairwiseOnDemand]: 127/141 looper letters, 34 selfloop transitions, 35 changer transitions 9/97 dead transitions. [2021-03-24 10:57:35,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 97 transitions, 1022 flow [2021-03-24 10:57:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-24 10:57:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-24 10:57:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1477 transitions. [2021-03-24 10:57:35,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6546985815602837 [2021-03-24 10:57:35,677 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1477 transitions. [2021-03-24 10:57:35,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1477 transitions. [2021-03-24 10:57:35,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:35,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1477 transitions. [2021-03-24 10:57:35,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 92.3125) internal successors, (1477), 16 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:35,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 141.0) internal successors, (2397), 17 states have internal predecessors, (2397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:35,685 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 141.0) internal successors, (2397), 17 states have internal predecessors, (2397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:35,685 INFO L185 Difference]: Start difference. First operand has 81 places, 70 transitions, 618 flow. Second operand 16 states and 1477 transitions. [2021-03-24 10:57:35,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 97 transitions, 1022 flow [2021-03-24 10:57:35,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 97 transitions, 980 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-03-24 10:57:35,693 INFO L241 Difference]: Finished difference. Result has 92 places, 83 transitions, 838 flow [2021-03-24 10:57:35,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=838, PETRI_PLACES=92, PETRI_TRANSITIONS=83} [2021-03-24 10:57:35,694 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 54 predicate places. [2021-03-24 10:57:35,694 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 83 transitions, 838 flow [2021-03-24 10:57:35,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 90.18181818181819) internal successors, (992), 11 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:35,694 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:35,694 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, 1] [2021-03-24 10:57:35,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 10:57:35,695 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:35,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:35,695 INFO L82 PathProgramCache]: Analyzing trace with hash 5399548, now seen corresponding path program 2 times [2021-03-24 10:57:35,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:35,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409659528] [2021-03-24 10:57:35,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:35,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:35,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:35,813 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 10:57:35,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:35,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 10:57:35,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:35,820 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 10:57:35,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:35,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:35,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 10:57:35,844 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 10:57:35,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:35,855 INFO L142 QuantifierPusher]: treesize reduction 26, result has 33.3 percent of original size [2021-03-24 10:57:35,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 10:57:35,861 INFO L142 QuantifierPusher]: treesize reduction 26, result has 33.3 percent of original size [2021-03-24 10:57:35,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 10:57:35,867 INFO L142 QuantifierPusher]: treesize reduction 26, result has 38.1 percent of original size [2021-03-24 10:57:35,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 10:57:35,884 INFO L142 QuantifierPusher]: treesize reduction 44, result has 63.9 percent of original size [2021-03-24 10:57:35,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-24 10:57:35,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:35,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 10:57:35,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:35,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:35,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409659528] [2021-03-24 10:57:35,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:35,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 10:57:35,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433807595] [2021-03-24 10:57:35,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 10:57:35,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:35,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 10:57:35,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-24 10:57:35,957 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 141 [2021-03-24 10:57:35,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 83 transitions, 838 flow. Second operand has 11 states, 11 states have (on average 84.18181818181819) internal successors, (926), 11 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:35,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:35,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 141 [2021-03-24 10:57:35,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:36,497 INFO L129 PetriNetUnfolder]: 196/421 cut-off events. [2021-03-24 10:57:36,498 INFO L130 PetriNetUnfolder]: For 3038/3040 co-relation queries the response was YES. [2021-03-24 10:57:36,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2404 conditions, 421 events. 196/421 cut-off events. For 3038/3040 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1907 event pairs, 10 based on Foata normal form. 14/434 useless extension candidates. Maximal degree in co-relation 2347. Up to 147 conditions per place. [2021-03-24 10:57:36,502 INFO L132 encePairwiseOnDemand]: 128/141 looper letters, 53 selfloop transitions, 33 changer transitions 32/128 dead transitions. [2021-03-24 10:57:36,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 128 transitions, 1500 flow [2021-03-24 10:57:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 10:57:36,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 10:57:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1322 transitions. [2021-03-24 10:57:36,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6250591016548463 [2021-03-24 10:57:36,506 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1322 transitions. [2021-03-24 10:57:36,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1322 transitions. [2021-03-24 10:57:36,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:36,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1322 transitions. [2021-03-24 10:57:36,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 88.13333333333334) internal successors, (1322), 15 states have internal predecessors, (1322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:36,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 141.0) internal successors, (2256), 16 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:36,512 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 141.0) internal successors, (2256), 16 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:36,513 INFO L185 Difference]: Start difference. First operand has 92 places, 83 transitions, 838 flow. Second operand 15 states and 1322 transitions. [2021-03-24 10:57:36,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 128 transitions, 1500 flow [2021-03-24 10:57:36,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 128 transitions, 1361 flow, removed 47 selfloop flow, removed 8 redundant places. [2021-03-24 10:57:36,526 INFO L241 Difference]: Finished difference. Result has 104 places, 83 transitions, 887 flow [2021-03-24 10:57:36,526 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=747, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=887, PETRI_PLACES=104, PETRI_TRANSITIONS=83} [2021-03-24 10:57:36,526 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 66 predicate places. [2021-03-24 10:57:36,526 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 83 transitions, 887 flow [2021-03-24 10:57:36,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 84.18181818181819) internal successors, (926), 11 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:36,527 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:36,527 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, 1] [2021-03-24 10:57:36,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 10:57:36,527 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:36,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:36,527 INFO L82 PathProgramCache]: Analyzing trace with hash -121094681, now seen corresponding path program 3 times [2021-03-24 10:57:36,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:36,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469383479] [2021-03-24 10:57:36,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:36,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:36,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:36,607 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 10:57:36,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:36,611 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 10:57:36,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:36,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 10:57:36,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:36,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:36,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:36,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 10:57:36,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:36,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:36,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 10:57:36,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:36,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 10:57:36,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:36,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:36,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469383479] [2021-03-24 10:57:36,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:36,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 10:57:36,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473571483] [2021-03-24 10:57:36,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 10:57:36,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:36,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 10:57:36,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-24 10:57:36,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 141 [2021-03-24 10:57:36,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 83 transitions, 887 flow. Second operand has 10 states, 10 states have (on average 80.5) internal successors, (805), 10 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:36,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:36,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 141 [2021-03-24 10:57:36,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:37,263 INFO L129 PetriNetUnfolder]: 212/455 cut-off events. [2021-03-24 10:57:37,263 INFO L130 PetriNetUnfolder]: For 4777/4788 co-relation queries the response was YES. [2021-03-24 10:57:37,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2926 conditions, 455 events. 212/455 cut-off events. For 4777/4788 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2144 event pairs, 8 based on Foata normal form. 10/463 useless extension candidates. Maximal degree in co-relation 2861. Up to 159 conditions per place. [2021-03-24 10:57:37,268 INFO L132 encePairwiseOnDemand]: 126/141 looper letters, 57 selfloop transitions, 41 changer transitions 38/144 dead transitions. [2021-03-24 10:57:37,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 144 transitions, 1846 flow [2021-03-24 10:57:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 10:57:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 10:57:37,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1431 transitions. [2021-03-24 10:57:37,273 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5969962453066333 [2021-03-24 10:57:37,273 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1431 transitions. [2021-03-24 10:57:37,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1431 transitions. [2021-03-24 10:57:37,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:37,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1431 transitions. [2021-03-24 10:57:37,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 84.17647058823529) internal successors, (1431), 17 states have internal predecessors, (1431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:37,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 141.0) internal successors, (2538), 18 states have internal predecessors, (2538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:37,282 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 141.0) internal successors, (2538), 18 states have internal predecessors, (2538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:37,282 INFO L185 Difference]: Start difference. First operand has 104 places, 83 transitions, 887 flow. Second operand 17 states and 1431 transitions. [2021-03-24 10:57:37,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 144 transitions, 1846 flow [2021-03-24 10:57:37,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 144 transitions, 1748 flow, removed 41 selfloop flow, removed 10 redundant places. [2021-03-24 10:57:37,300 INFO L241 Difference]: Finished difference. Result has 113 places, 94 transitions, 1130 flow [2021-03-24 10:57:37,301 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1130, PETRI_PLACES=113, PETRI_TRANSITIONS=94} [2021-03-24 10:57:37,301 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 75 predicate places. [2021-03-24 10:57:37,301 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 94 transitions, 1130 flow [2021-03-24 10:57:37,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 80.5) internal successors, (805), 10 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:37,301 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:37,301 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, 1] [2021-03-24 10:57:37,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 10:57:37,302 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:37,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:37,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1212036405, now seen corresponding path program 4 times [2021-03-24 10:57:37,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:37,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242879684] [2021-03-24 10:57:37,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:37,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:37,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:37,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:37,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:37,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 10:57:37,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 10:57:37,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 10:57:37,439 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 10:57:37,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 10:57:37,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:37,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:37,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242879684] [2021-03-24 10:57:37,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:37,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 10:57:37,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689177359] [2021-03-24 10:57:37,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 10:57:37,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:37,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 10:57:37,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-24 10:57:37,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 141 [2021-03-24 10:57:37,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 94 transitions, 1130 flow. Second operand has 10 states, 10 states have (on average 87.4) internal successors, (874), 10 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:37,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:37,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 141 [2021-03-24 10:57:37,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:37,795 INFO L129 PetriNetUnfolder]: 82/248 cut-off events. [2021-03-24 10:57:37,795 INFO L130 PetriNetUnfolder]: For 3371/3403 co-relation queries the response was YES. [2021-03-24 10:57:37,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1855 conditions, 248 events. 82/248 cut-off events. For 3371/3403 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1267 event pairs, 5 based on Foata normal form. 10/257 useless extension candidates. Maximal degree in co-relation 1786. Up to 102 conditions per place. [2021-03-24 10:57:37,798 INFO L132 encePairwiseOnDemand]: 128/141 looper letters, 41 selfloop transitions, 36 changer transitions 11/107 dead transitions. [2021-03-24 10:57:37,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 107 transitions, 1557 flow [2021-03-24 10:57:37,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 10:57:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 10:57:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1072 transitions. [2021-03-24 10:57:37,802 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6335697399527187 [2021-03-24 10:57:37,802 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1072 transitions. [2021-03-24 10:57:37,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1072 transitions. [2021-03-24 10:57:37,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:37,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1072 transitions. [2021-03-24 10:57:37,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 89.33333333333333) internal successors, (1072), 12 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:37,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 141.0) internal successors, (1833), 13 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:37,807 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 141.0) internal successors, (1833), 13 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:37,808 INFO L185 Difference]: Start difference. First operand has 113 places, 94 transitions, 1130 flow. Second operand 12 states and 1072 transitions. [2021-03-24 10:57:37,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 107 transitions, 1557 flow [2021-03-24 10:57:37,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 107 transitions, 1410 flow, removed 60 selfloop flow, removed 12 redundant places. [2021-03-24 10:57:37,824 INFO L241 Difference]: Finished difference. Result has 112 places, 93 transitions, 1094 flow [2021-03-24 10:57:37,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=1015, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1094, PETRI_PLACES=112, PETRI_TRANSITIONS=93} [2021-03-24 10:57:37,825 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 74 predicate places. [2021-03-24 10:57:37,825 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 93 transitions, 1094 flow [2021-03-24 10:57:37,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 87.4) internal successors, (874), 10 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:37,825 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:37,825 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, 1, 1] [2021-03-24 10:57:37,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 10:57:37,826 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:37,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:37,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1689159567, now seen corresponding path program 1 times [2021-03-24 10:57:37,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:37,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745037180] [2021-03-24 10:57:37,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:37,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:37,908 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 10:57:37,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:37,911 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 10:57:37,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:37,916 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 10:57:37,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:57:37,930 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-24 10:57:37,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 10:57:37,940 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-24 10:57:37,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 10:57:37,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:37,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:37,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:37,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:37,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745037180] [2021-03-24 10:57:37,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:37,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 10:57:37,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614207163] [2021-03-24 10:57:37,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 10:57:37,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:37,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 10:57:37,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-24 10:57:37,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 141 [2021-03-24 10:57:37,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 93 transitions, 1094 flow. Second operand has 9 states, 9 states have (on average 87.55555555555556) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:37,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:37,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 141 [2021-03-24 10:57:37,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:38,304 INFO L129 PetriNetUnfolder]: 165/399 cut-off events. [2021-03-24 10:57:38,304 INFO L130 PetriNetUnfolder]: For 4960/4968 co-relation queries the response was YES. [2021-03-24 10:57:38,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2769 conditions, 399 events. 165/399 cut-off events. For 4960/4968 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2000 event pairs, 32 based on Foata normal form. 10/408 useless extension candidates. Maximal degree in co-relation 2702. Up to 139 conditions per place. [2021-03-24 10:57:38,309 INFO L132 encePairwiseOnDemand]: 129/141 looper letters, 49 selfloop transitions, 26 changer transitions 47/133 dead transitions. [2021-03-24 10:57:38,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 133 transitions, 1812 flow [2021-03-24 10:57:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 10:57:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 10:57:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1008 transitions. [2021-03-24 10:57:38,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6499032882011605 [2021-03-24 10:57:38,312 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1008 transitions. [2021-03-24 10:57:38,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1008 transitions. [2021-03-24 10:57:38,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:38,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1008 transitions. [2021-03-24 10:57:38,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,318 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,318 INFO L185 Difference]: Start difference. First operand has 112 places, 93 transitions, 1094 flow. Second operand 11 states and 1008 transitions. [2021-03-24 10:57:38,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 133 transitions, 1812 flow [2021-03-24 10:57:38,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 133 transitions, 1704 flow, removed 23 selfloop flow, removed 11 redundant places. [2021-03-24 10:57:38,338 INFO L241 Difference]: Finished difference. Result has 114 places, 78 transitions, 858 flow [2021-03-24 10:57:38,338 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=1018, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=858, PETRI_PLACES=114, PETRI_TRANSITIONS=78} [2021-03-24 10:57:38,338 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 76 predicate places. [2021-03-24 10:57:38,338 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 78 transitions, 858 flow [2021-03-24 10:57:38,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 87.55555555555556) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:38,339 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, 1, 1] [2021-03-24 10:57:38,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 10:57:38,339 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:38,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:38,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1135042463, now seen corresponding path program 2 times [2021-03-24 10:57:38,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:38,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382343800] [2021-03-24 10:57:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:38,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:38,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:38,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:38,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:38,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:38,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:38,430 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 10:57:38,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 10:57:38,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:38,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 10:57:38,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:38,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:38,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382343800] [2021-03-24 10:57:38,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:38,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:57:38,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831877424] [2021-03-24 10:57:38,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:57:38,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:38,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:57:38,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:57:38,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 141 [2021-03-24 10:57:38,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 78 transitions, 858 flow. Second operand has 6 states, 6 states have (on average 95.16666666666667) internal successors, (571), 6 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:38,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 141 [2021-03-24 10:57:38,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:38,632 INFO L129 PetriNetUnfolder]: 56/190 cut-off events. [2021-03-24 10:57:38,632 INFO L130 PetriNetUnfolder]: For 2054/2085 co-relation queries the response was YES. [2021-03-24 10:57:38,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 190 events. 56/190 cut-off events. For 2054/2085 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 901 event pairs, 3 based on Foata normal form. 7/196 useless extension candidates. Maximal degree in co-relation 1265. Up to 96 conditions per place. [2021-03-24 10:57:38,635 INFO L132 encePairwiseOnDemand]: 132/141 looper letters, 43 selfloop transitions, 18 changer transitions 3/83 dead transitions. [2021-03-24 10:57:38,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 83 transitions, 1080 flow [2021-03-24 10:57:38,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:57:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:57:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 678 transitions. [2021-03-24 10:57:38,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6869300911854104 [2021-03-24 10:57:38,637 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 678 transitions. [2021-03-24 10:57:38,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 678 transitions. [2021-03-24 10:57:38,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:38,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 678 transitions. [2021-03-24 10:57:38,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 96.85714285714286) internal successors, (678), 7 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 141.0) internal successors, (1128), 8 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,652 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 141.0) internal successors, (1128), 8 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,652 INFO L185 Difference]: Start difference. First operand has 114 places, 78 transitions, 858 flow. Second operand 7 states and 678 transitions. [2021-03-24 10:57:38,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 83 transitions, 1080 flow [2021-03-24 10:57:38,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 83 transitions, 957 flow, removed 23 selfloop flow, removed 15 redundant places. [2021-03-24 10:57:38,663 INFO L241 Difference]: Finished difference. Result has 97 places, 78 transitions, 802 flow [2021-03-24 10:57:38,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=749, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=802, PETRI_PLACES=97, PETRI_TRANSITIONS=78} [2021-03-24 10:57:38,664 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 59 predicate places. [2021-03-24 10:57:38,664 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 78 transitions, 802 flow [2021-03-24 10:57:38,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 95.16666666666667) internal successors, (571), 6 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:38,664 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, 1, 1] [2021-03-24 10:57:38,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 10:57:38,665 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:38,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:38,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1987889975, now seen corresponding path program 1 times [2021-03-24 10:57:38,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:38,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616878967] [2021-03-24 10:57:38,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:38,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:38,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:38,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:38,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:38,756 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-24 10:57:38,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:38,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:38,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 10:57:38,775 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 10:57:38,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 10:57:38,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:38,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:38,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616878967] [2021-03-24 10:57:38,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:38,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 10:57:38,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207232139] [2021-03-24 10:57:38,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 10:57:38,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:38,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 10:57:38,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 10:57:38,791 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 141 [2021-03-24 10:57:38,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 78 transitions, 802 flow. Second operand has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:38,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 141 [2021-03-24 10:57:38,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:38,988 INFO L129 PetriNetUnfolder]: 60/199 cut-off events. [2021-03-24 10:57:38,988 INFO L130 PetriNetUnfolder]: For 1767/1798 co-relation queries the response was YES. [2021-03-24 10:57:38,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1308 conditions, 199 events. 60/199 cut-off events. For 1767/1798 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 957 event pairs, 3 based on Foata normal form. 8/206 useless extension candidates. Maximal degree in co-relation 1255. Up to 81 conditions per place. [2021-03-24 10:57:38,990 INFO L132 encePairwiseOnDemand]: 131/141 looper letters, 46 selfloop transitions, 16 changer transitions 16/96 dead transitions. [2021-03-24 10:57:38,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 96 transitions, 1181 flow [2021-03-24 10:57:38,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 10:57:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 10:57:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 765 transitions. [2021-03-24 10:57:38,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6781914893617021 [2021-03-24 10:57:38,992 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 765 transitions. [2021-03-24 10:57:38,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 765 transitions. [2021-03-24 10:57:38,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:38,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 765 transitions. [2021-03-24 10:57:38,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 95.625) internal successors, (765), 8 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,995 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:38,995 INFO L185 Difference]: Start difference. First operand has 97 places, 78 transitions, 802 flow. Second operand 8 states and 765 transitions. [2021-03-24 10:57:38,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 96 transitions, 1181 flow [2021-03-24 10:57:39,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 96 transitions, 1145 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-24 10:57:39,005 INFO L241 Difference]: Finished difference. Result has 100 places, 79 transitions, 843 flow [2021-03-24 10:57:39,005 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=843, PETRI_PLACES=100, PETRI_TRANSITIONS=79} [2021-03-24 10:57:39,005 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 62 predicate places. [2021-03-24 10:57:39,005 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 79 transitions, 843 flow [2021-03-24 10:57:39,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:39,005 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, 1, 1] [2021-03-24 10:57:39,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 10:57:39,006 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:39,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:39,006 INFO L82 PathProgramCache]: Analyzing trace with hash 703694245, now seen corresponding path program 2 times [2021-03-24 10:57:39,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:39,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60063108] [2021-03-24 10:57:39,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:39,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:39,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:39,076 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 10:57:39,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 10:57:39,085 INFO L142 QuantifierPusher]: treesize reduction 10, result has 60.0 percent of original size [2021-03-24 10:57:39,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 10:57:39,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:39,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:39,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:39,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60063108] [2021-03-24 10:57:39,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:39,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 10:57:39,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076478471] [2021-03-24 10:57:39,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 10:57:39,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:39,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 10:57:39,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 10:57:39,106 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 141 [2021-03-24 10:57:39,106 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 79 transitions, 843 flow. Second operand has 7 states, 7 states have (on average 100.57142857142857) internal successors, (704), 7 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:39,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 141 [2021-03-24 10:57:39,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:39,248 INFO L129 PetriNetUnfolder]: 44/176 cut-off events. [2021-03-24 10:57:39,248 INFO L130 PetriNetUnfolder]: For 1804/1826 co-relation queries the response was YES. [2021-03-24 10:57:39,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1202 conditions, 176 events. 44/176 cut-off events. For 1804/1826 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 868 event pairs, 2 based on Foata normal form. 8/183 useless extension candidates. Maximal degree in co-relation 1164. Up to 52 conditions per place. [2021-03-24 10:57:39,250 INFO L132 encePairwiseOnDemand]: 135/141 looper letters, 32 selfloop transitions, 12 changer transitions 27/92 dead transitions. [2021-03-24 10:57:39,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 92 transitions, 1182 flow [2021-03-24 10:57:39,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 10:57:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 10:57:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 618 transitions. [2021-03-24 10:57:39,251 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7304964539007093 [2021-03-24 10:57:39,251 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 618 transitions. [2021-03-24 10:57:39,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 618 transitions. [2021-03-24 10:57:39,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:39,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 618 transitions. [2021-03-24 10:57:39,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 141.0) internal successors, (987), 7 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,254 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 141.0) internal successors, (987), 7 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,254 INFO L185 Difference]: Start difference. First operand has 100 places, 79 transitions, 843 flow. Second operand 6 states and 618 transitions. [2021-03-24 10:57:39,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 92 transitions, 1182 flow [2021-03-24 10:57:39,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 92 transitions, 1104 flow, removed 24 selfloop flow, removed 6 redundant places. [2021-03-24 10:57:39,264 INFO L241 Difference]: Finished difference. Result has 100 places, 61 transitions, 654 flow [2021-03-24 10:57:39,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=654, PETRI_PLACES=100, PETRI_TRANSITIONS=61} [2021-03-24 10:57:39,265 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 62 predicate places. [2021-03-24 10:57:39,265 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 61 transitions, 654 flow [2021-03-24 10:57:39,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 100.57142857142857) internal successors, (704), 7 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:39,265 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, 1, 1, 1] [2021-03-24 10:57:39,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 10:57:39,266 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:39,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:39,266 INFO L82 PathProgramCache]: Analyzing trace with hash 639503825, now seen corresponding path program 1 times [2021-03-24 10:57:39,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:39,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269031856] [2021-03-24 10:57:39,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:39,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:39,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:39,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:39,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:39,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 10:57:39,385 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.1 percent of original size [2021-03-24 10:57:39,386 INFO L147 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size 29 [2021-03-24 10:57:39,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 10:57:39,415 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.2 percent of original size [2021-03-24 10:57:39,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 10:57:39,445 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-03-24 10:57:39,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 10:57:39,472 INFO L142 QuantifierPusher]: treesize reduction 9, result has 74.3 percent of original size [2021-03-24 10:57:39,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 10:57:39,499 INFO L142 QuantifierPusher]: treesize reduction 59, result has 50.0 percent of original size [2021-03-24 10:57:39,501 INFO L147 QuantifierPusher]: treesize reduction 5, result has 91.5 percent of original size 54 [2021-03-24 10:57:39,538 INFO L142 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size [2021-03-24 10:57:39,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 10:57:39,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:39,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:39,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269031856] [2021-03-24 10:57:39,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:39,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 10:57:39,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354971144] [2021-03-24 10:57:39,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-24 10:57:39,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:39,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-24 10:57:39,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-03-24 10:57:39,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 141 [2021-03-24 10:57:39,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 61 transitions, 654 flow. Second operand has 14 states, 14 states have (on average 83.21428571428571) internal successors, (1165), 14 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:39,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 141 [2021-03-24 10:57:39,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:39,869 INFO L129 PetriNetUnfolder]: 16/98 cut-off events. [2021-03-24 10:57:39,869 INFO L130 PetriNetUnfolder]: For 1024/1046 co-relation queries the response was YES. [2021-03-24 10:57:39,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 98 events. 16/98 cut-off events. For 1024/1046 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 362 event pairs, 0 based on Foata normal form. 10/108 useless extension candidates. Maximal degree in co-relation 634. Up to 36 conditions per place. [2021-03-24 10:57:39,870 INFO L132 encePairwiseOnDemand]: 128/141 looper letters, 24 selfloop transitions, 14 changer transitions 14/65 dead transitions. [2021-03-24 10:57:39,870 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 65 transitions, 815 flow [2021-03-24 10:57:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 10:57:39,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 10:57:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 935 transitions. [2021-03-24 10:57:39,872 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6028368794326241 [2021-03-24 10:57:39,872 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 935 transitions. [2021-03-24 10:57:39,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 935 transitions. [2021-03-24 10:57:39,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:39,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 935 transitions. [2021-03-24 10:57:39,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 85.0) internal successors, (935), 11 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,877 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,877 INFO L185 Difference]: Start difference. First operand has 100 places, 61 transitions, 654 flow. Second operand 11 states and 935 transitions. [2021-03-24 10:57:39,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 65 transitions, 815 flow [2021-03-24 10:57:39,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 65 transitions, 732 flow, removed 13 selfloop flow, removed 14 redundant places. [2021-03-24 10:57:39,883 INFO L241 Difference]: Finished difference. Result has 95 places, 49 transitions, 493 flow [2021-03-24 10:57:39,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=493, PETRI_PLACES=95, PETRI_TRANSITIONS=49} [2021-03-24 10:57:39,884 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 57 predicate places. [2021-03-24 10:57:39,884 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 49 transitions, 493 flow [2021-03-24 10:57:39,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 83.21428571428571) internal successors, (1165), 14 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:39,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:39,884 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, 1, 1, 1] [2021-03-24 10:57:39,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 10:57:39,884 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:39,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:39,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1024927703, now seen corresponding path program 2 times [2021-03-24 10:57:39,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:39,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174145909] [2021-03-24 10:57:39,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:39,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:40,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:40,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:40,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:40,015 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 10:57:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 10:57:40,028 INFO L142 QuantifierPusher]: treesize reduction 7, result has 88.1 percent of original size [2021-03-24 10:57:40,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 10:57:40,066 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-03-24 10:57:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 10:57:40,081 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 10:57:40,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 10:57:40,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:40,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174145909] [2021-03-24 10:57:40,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:40,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 10:57:40,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579709967] [2021-03-24 10:57:40,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 10:57:40,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:40,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 10:57:40,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-24 10:57:40,101 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 141 [2021-03-24 10:57:40,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 49 transitions, 493 flow. Second operand has 9 states, 9 states have (on average 89.77777777777777) internal successors, (808), 9 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:40,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:40,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 141 [2021-03-24 10:57:40,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:40,378 INFO L129 PetriNetUnfolder]: 13/81 cut-off events. [2021-03-24 10:57:40,378 INFO L130 PetriNetUnfolder]: For 749/756 co-relation queries the response was YES. [2021-03-24 10:57:40,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 530 conditions, 81 events. 13/81 cut-off events. For 749/756 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 243 event pairs, 0 based on Foata normal form. 3/84 useless extension candidates. Maximal degree in co-relation 505. Up to 27 conditions per place. [2021-03-24 10:57:40,379 INFO L132 encePairwiseOnDemand]: 129/141 looper letters, 16 selfloop transitions, 12 changer transitions 13/55 dead transitions. [2021-03-24 10:57:40,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 55 transitions, 659 flow [2021-03-24 10:57:40,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 10:57:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 10:57:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 906 transitions. [2021-03-24 10:57:40,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6425531914893617 [2021-03-24 10:57:40,382 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 906 transitions. [2021-03-24 10:57:40,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 906 transitions. [2021-03-24 10:57:40,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:40,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 906 transitions. [2021-03-24 10:57:40,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 90.6) internal successors, (906), 10 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:40,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 141.0) internal successors, (1551), 11 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:40,385 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 141.0) internal successors, (1551), 11 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:40,385 INFO L185 Difference]: Start difference. First operand has 95 places, 49 transitions, 493 flow. Second operand 10 states and 906 transitions. [2021-03-24 10:57:40,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 55 transitions, 659 flow [2021-03-24 10:57:40,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 55 transitions, 605 flow, removed 11 selfloop flow, removed 13 redundant places. [2021-03-24 10:57:40,389 INFO L241 Difference]: Finished difference. Result has 89 places, 42 transitions, 403 flow [2021-03-24 10:57:40,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=403, PETRI_PLACES=89, PETRI_TRANSITIONS=42} [2021-03-24 10:57:40,390 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 51 predicate places. [2021-03-24 10:57:40,390 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 42 transitions, 403 flow [2021-03-24 10:57:40,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 89.77777777777777) internal successors, (808), 9 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:40,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:40,390 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, 1, 1, 1] [2021-03-24 10:57:40,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-24 10:57:40,391 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:40,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:40,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1034786803, now seen corresponding path program 3 times [2021-03-24 10:57:40,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:40,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201072661] [2021-03-24 10:57:40,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:40,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:40,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:40,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:40,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:57:40,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 10:57:40,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 10:57:40,534 INFO L142 QuantifierPusher]: treesize reduction 37, result has 46.4 percent of original size [2021-03-24 10:57:40,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 10:57:40,561 INFO L142 QuantifierPusher]: treesize reduction 49, result has 57.0 percent of original size [2021-03-24 10:57:40,562 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.2 percent of original size 56 [2021-03-24 10:57:40,608 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.2 percent of original size [2021-03-24 10:57:40,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 10:57:40,653 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-24 10:57:40,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 10:57:40,671 INFO L142 QuantifierPusher]: treesize reduction 32, result has 30.4 percent of original size [2021-03-24 10:57:40,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 10:57:40,683 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 10:57:40,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 10:57:40,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:40,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:40,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:40,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201072661] [2021-03-24 10:57:40,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:40,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 10:57:40,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851027754] [2021-03-24 10:57:40,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-24 10:57:40,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:40,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-24 10:57:40,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-03-24 10:57:40,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 141 [2021-03-24 10:57:40,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 42 transitions, 403 flow. Second operand has 14 states, 14 states have (on average 82.21428571428571) internal successors, (1151), 14 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:40,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:40,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 141 [2021-03-24 10:57:40,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:40,956 INFO L129 PetriNetUnfolder]: 8/68 cut-off events. [2021-03-24 10:57:40,956 INFO L130 PetriNetUnfolder]: For 548/551 co-relation queries the response was YES. [2021-03-24 10:57:40,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 68 events. 8/68 cut-off events. For 548/551 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 169 event pairs, 0 based on Foata normal form. 5/73 useless extension candidates. Maximal degree in co-relation 399. Up to 21 conditions per place. [2021-03-24 10:57:40,957 INFO L132 encePairwiseOnDemand]: 130/141 looper letters, 15 selfloop transitions, 5 changer transitions 17/50 dead transitions. [2021-03-24 10:57:40,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 50 transitions, 579 flow [2021-03-24 10:57:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 10:57:40,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 10:57:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1000 transitions. [2021-03-24 10:57:40,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5910165484633569 [2021-03-24 10:57:40,961 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1000 transitions. [2021-03-24 10:57:40,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1000 transitions. [2021-03-24 10:57:40,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:40,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1000 transitions. [2021-03-24 10:57:40,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 83.33333333333333) internal successors, (1000), 12 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:40,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 141.0) internal successors, (1833), 13 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:40,967 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 141.0) internal successors, (1833), 13 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:40,967 INFO L185 Difference]: Start difference. First operand has 89 places, 42 transitions, 403 flow. Second operand 12 states and 1000 transitions. [2021-03-24 10:57:40,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 50 transitions, 579 flow [2021-03-24 10:57:40,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 50 transitions, 482 flow, removed 11 selfloop flow, removed 17 redundant places. [2021-03-24 10:57:40,971 INFO L241 Difference]: Finished difference. Result has 83 places, 33 transitions, 244 flow [2021-03-24 10:57:40,971 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=244, PETRI_PLACES=83, PETRI_TRANSITIONS=33} [2021-03-24 10:57:40,971 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 45 predicate places. [2021-03-24 10:57:40,971 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 33 transitions, 244 flow [2021-03-24 10:57:40,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 82.21428571428571) internal successors, (1151), 14 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:40,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:57:40,972 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, 1, 1, 1] [2021-03-24 10:57:40,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-24 10:57:40,972 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:57:40,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:57:40,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1620374197, now seen corresponding path program 4 times [2021-03-24 10:57:40,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:57:40,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928518500] [2021-03-24 10:57:40,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:57:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:57:41,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:41,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:57:41,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:41,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:57:41,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:41,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:57:41,075 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-24 10:57:41,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 10:57:41,086 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-24 10:57:41,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 10:57:41,100 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-24 10:57:41,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:57:41,111 INFO L142 QuantifierPusher]: treesize reduction 87, result has 51.9 percent of original size [2021-03-24 10:57:41,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-24 10:57:41,154 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 10:57:41,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:57:41,169 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 10:57:41,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 10:57:41,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:41,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 10:57:41,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:57:41,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:57:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:57:41,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928518500] [2021-03-24 10:57:41,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:57:41,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 10:57:41,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303937194] [2021-03-24 10:57:41,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 10:57:41,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:57:41,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 10:57:41,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-03-24 10:57:41,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 141 [2021-03-24 10:57:41,201 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 33 transitions, 244 flow. Second operand has 11 states, 11 states have (on average 87.45454545454545) internal successors, (962), 11 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:41,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:57:41,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 141 [2021-03-24 10:57:41,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:57:41,317 INFO L129 PetriNetUnfolder]: 3/36 cut-off events. [2021-03-24 10:57:41,318 INFO L130 PetriNetUnfolder]: For 210/211 co-relation queries the response was YES. [2021-03-24 10:57:41,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 36 events. 3/36 cut-off events. For 210/211 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 2/38 useless extension candidates. Maximal degree in co-relation 166. Up to 8 conditions per place. [2021-03-24 10:57:41,318 INFO L132 encePairwiseOnDemand]: 132/141 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2021-03-24 10:57:41,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 32 transitions, 276 flow [2021-03-24 10:57:41,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 10:57:41,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 10:57:41,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 790 transitions. [2021-03-24 10:57:41,319 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6225374310480694 [2021-03-24 10:57:41,319 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 790 transitions. [2021-03-24 10:57:41,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 790 transitions. [2021-03-24 10:57:41,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:57:41,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 790 transitions. [2021-03-24 10:57:41,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 87.77777777777777) internal successors, (790), 9 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:41,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 141.0) internal successors, (1410), 10 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:41,322 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 141.0) internal successors, (1410), 10 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:41,322 INFO L185 Difference]: Start difference. First operand has 83 places, 33 transitions, 244 flow. Second operand 9 states and 790 transitions. [2021-03-24 10:57:41,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 32 transitions, 276 flow [2021-03-24 10:57:41,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 32 transitions, 226 flow, removed 8 selfloop flow, removed 15 redundant places. [2021-03-24 10:57:41,324 INFO L241 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2021-03-24 10:57:41,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2021-03-24 10:57:41,325 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 25 predicate places. [2021-03-24 10:57:41,325 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2021-03-24 10:57:41,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 87.45454545454545) internal successors, (962), 11 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:57:41,325 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-24 10:57:41,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:57:41 BasicIcfg [2021-03-24 10:57:41,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 10:57:41,330 INFO L168 Benchmark]: Toolchain (without parser) took 19488.54 ms. Allocated memory was 358.6 MB in the beginning and 725.6 MB in the end (delta: 367.0 MB). Free memory was 321.6 MB in the beginning and 389.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 301.3 MB. Max. memory is 16.0 GB. [2021-03-24 10:57:41,330 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 358.6 MB. Free memory was 340.0 MB in the beginning and 339.9 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 10:57:41,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.83 ms. Allocated memory is still 358.6 MB. Free memory was 321.4 MB in the beginning and 315.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-03-24 10:57:41,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.85 ms. Allocated memory is still 358.6 MB. Free memory was 315.3 MB in the beginning and 311.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 10:57:41,330 INFO L168 Benchmark]: Boogie Preprocessor took 71.67 ms. Allocated memory is still 358.6 MB. Free memory was 311.1 MB in the beginning and 309.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:57:41,331 INFO L168 Benchmark]: RCFGBuilder took 2563.20 ms. Allocated memory is still 358.6 MB. Free memory was 309.0 MB in the beginning and 244.0 MB in the end (delta: 65.0 MB). Peak memory consumption was 170.9 MB. Max. memory is 16.0 GB. [2021-03-24 10:57:41,331 INFO L168 Benchmark]: TraceAbstraction took 16246.83 ms. Allocated memory was 358.6 MB in the beginning and 725.6 MB in the end (delta: 367.0 MB). Free memory was 244.0 MB in the beginning and 389.2 MB in the end (delta: -145.2 MB). Peak memory consumption was 221.8 MB. Max. memory is 16.0 GB. [2021-03-24 10:57:41,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 358.6 MB. Free memory was 340.0 MB in the beginning and 339.9 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 498.83 ms. Allocated memory is still 358.6 MB. Free memory was 321.4 MB in the beginning and 315.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 90.85 ms. Allocated memory is still 358.6 MB. Free memory was 315.3 MB in the beginning and 311.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 71.67 ms. Allocated memory is still 358.6 MB. Free memory was 311.1 MB in the beginning and 309.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2563.20 ms. Allocated memory is still 358.6 MB. Free memory was 309.0 MB in the beginning and 244.0 MB in the end (delta: 65.0 MB). Peak memory consumption was 170.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 16246.83 ms. Allocated memory was 358.6 MB in the beginning and 725.6 MB in the end (delta: 367.0 MB). Free memory was 244.0 MB in the beginning and 389.2 MB in the end (delta: -145.2 MB). Peak memory consumption was 221.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6258.3ms, 88 PlacesBefore, 38 PlacesAfterwards, 83 TransitionsBefore, 32 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 4 FixpointIterations, 25 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 1902 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 932, positive: 867, positive conditional: 0, positive unconditional: 867, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 555, positive: 533, positive conditional: 0, positive unconditional: 533, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 555, positive: 533, positive conditional: 0, positive unconditional: 533, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 932, positive: 334, positive conditional: 0, positive unconditional: 334, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 555, unknown conditional: 0, unknown unconditional: 555] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 16126.9ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 6030.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6319.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 166 SDtfs, 397 SDslu, 430 SDs, 0 SdLazy, 1975 SolverSat, 612 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2145.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 3095.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1130occurred in iteration=10, InterpolantAutomatonStates: 195, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 82.1ms SsaConstructionTime, 651.1ms SatisfiabilityAnalysisTime, 2766.6ms InterpolantComputationTime, 429 NumberOfCodeBlocks, 429 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 410 ConstructedInterpolants, 0 QuantifiedInterpolants, 3232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...