/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix040_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:46:38,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:46:38,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:46:38,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:46:38,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:46:38,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:46:38,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:46:38,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:46:38,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:46:38,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:46:38,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:46:38,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:46:38,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:46:38,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:46:38,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:46:38,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:46:38,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:46:38,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:46:38,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:46:38,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:46:38,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:46:38,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:46:38,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:46:38,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:46:38,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:46:38,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:46:38,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:46:38,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:46:38,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:46:38,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:46:38,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:46:38,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:46:38,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:46:38,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:46:38,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:46:38,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:46:38,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 20:46:38,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:46:38,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:46:38,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:46:38,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:46:38,201 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:46:38,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:46:38,201 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:46:38,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:46:38,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:46:38,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:46:38,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:46:38,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:46:38,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:46:38,203 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:46:38,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:46:38,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:46:38,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:46:38,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:46:38,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:46:38,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:46:38,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:46:38,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:46:38,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:46:38,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:46:38,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:46:38,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:46:38,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:46:38,206 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:46:38,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:46:38,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:46:38,207 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:46:38,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:46:38,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:46:38,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:46:38,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:46:38,617 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:46:38,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix040_rmo.oepc.i [2021-04-28 20:46:38,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9925bb7d4/b907322fd1e146efa9ba1087b980d42d/FLAG5c5cdc4ce [2021-04-28 20:46:39,467 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:46:39,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_rmo.oepc.i [2021-04-28 20:46:39,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9925bb7d4/b907322fd1e146efa9ba1087b980d42d/FLAG5c5cdc4ce [2021-04-28 20:46:39,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9925bb7d4/b907322fd1e146efa9ba1087b980d42d [2021-04-28 20:46:39,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:46:39,757 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:46:39,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:46:39,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:46:39,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:46:39,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:46:39" (1/1) ... [2021-04-28 20:46:39,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a08503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:39, skipping insertion in model container [2021-04-28 20:46:39,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:46:39" (1/1) ... [2021-04-28 20:46:39,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:46:39,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:46:40,022 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/mix040_rmo.oepc.i[949,962] [2021-04-28 20:46:40,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:46:40,383 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:46:40,397 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/mix040_rmo.oepc.i[949,962] [2021-04-28 20:46:40,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:46:40,565 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:46:40,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40 WrapperNode [2021-04-28 20:46:40,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:46:40,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:46:40,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:46:40,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:46:40,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (1/1) ... [2021-04-28 20:46:40,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (1/1) ... [2021-04-28 20:46:40,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:46:40,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:46:40,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:46:40,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:46:40,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (1/1) ... [2021-04-28 20:46:40,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (1/1) ... [2021-04-28 20:46:40,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (1/1) ... [2021-04-28 20:46:40,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (1/1) ... [2021-04-28 20:46:40,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (1/1) ... [2021-04-28 20:46:40,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (1/1) ... [2021-04-28 20:46:40,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (1/1) ... [2021-04-28 20:46:40,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:46:40,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:46:40,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:46:40,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:46:40,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:46:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:46:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:46:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:46:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:46:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:46:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:46:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:46:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:46:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:46:40,787 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:46:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:46:40,787 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:46:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:46:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:46:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:46:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:46:40,790 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 20:46:42,950 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:46:42,950 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:46:42,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:46:42 BoogieIcfgContainer [2021-04-28 20:46:42,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:46:42,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:46:42,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:46:42,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:46:42,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:46:39" (1/3) ... [2021-04-28 20:46:42,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5243fd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:46:42, skipping insertion in model container [2021-04-28 20:46:42,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:46:40" (2/3) ... [2021-04-28 20:46:42,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5243fd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:46:42, skipping insertion in model container [2021-04-28 20:46:42,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:46:42" (3/3) ... [2021-04-28 20:46:42,961 INFO L111 eAbstractionObserver]: Analyzing ICFG mix040_rmo.oepc.i [2021-04-28 20:46:42,969 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:46:42,975 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:46:42,976 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:46:43,015 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,016 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,016 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,017 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,017 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,017 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,019 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,024 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,024 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,025 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,025 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,030 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,030 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,030 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,036 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,036 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,036 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,036 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,036 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,036 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,037 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,037 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,037 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,037 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,037 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,040 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,040 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,040 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,040 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,040 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,040 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,040 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,041 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,041 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,041 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,041 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,041 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,041 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,060 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,061 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,067 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,070 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,070 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,071 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,071 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,075 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,075 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:46:43,077 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:46:43,102 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:46:43,128 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:46:43,128 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:46:43,129 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:46:43,129 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:46:43,129 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:46:43,129 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:46:43,129 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:46:43,129 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:46:43,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 119 transitions, 258 flow [2021-04-28 20:46:43,199 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-04-28 20:46:43,199 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:46:43,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:46:43,208 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 119 transitions, 258 flow [2021-04-28 20:46:43,222 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 115 transitions, 242 flow [2021-04-28 20:46:43,224 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:46:43,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 242 flow [2021-04-28 20:46:43,245 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 115 transitions, 242 flow [2021-04-28 20:46:43,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 242 flow [2021-04-28 20:46:43,275 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-04-28 20:46:43,276 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:46:43,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:46:43,281 INFO L146 LiptonReduction]: Number of co-enabled transitions 2876 [2021-04-28 20:46:47,058 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:46:47,170 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:46:47,708 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 20:46:47,904 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 20:46:48,323 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 20:46:55,244 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:47:03,834 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:47:03,952 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:47:04,073 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:47:04,191 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:47:04,617 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:47:04,732 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:47:04,844 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:47:04,952 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:47:05,437 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:47:05,547 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:47:05,648 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:47:05,758 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:47:05,992 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 20:47:06,112 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 20:47:06,233 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 20:47:06,547 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:47:06,662 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 20:47:06,771 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 20:47:06,878 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 20:47:06,982 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 20:47:09,008 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:47:12,152 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:47:12,426 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:47:12,549 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:47:12,679 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:47:12,812 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:47:13,303 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:47:13,428 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:47:13,548 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:47:13,669 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:47:13,776 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:47:13,883 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:47:13,997 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:47:14,109 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:47:14,263 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:47:14,400 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:47:14,543 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:47:14,689 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:47:14,793 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:14,895 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:14,998 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:15,205 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:15,309 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:15,411 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:15,545 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:15,648 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:15,751 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:15,854 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:15,959 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:47:16,306 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 20:47:16,462 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 20:47:16,625 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 20:47:16,780 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 20:47:16,946 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:47:17,109 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:47:17,262 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:47:17,422 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:47:17,570 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:47:17,724 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:47:17,877 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:47:18,031 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:47:18,185 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:18,338 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:18,496 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:18,650 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:18,866 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:47:19,045 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:47:19,219 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:47:19,403 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:47:19,563 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:19,729 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:19,884 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:20,036 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:20,209 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:47:20,388 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:47:20,559 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:47:20,734 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:47:20,934 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:47:21,129 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:47:21,321 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:47:21,517 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:47:21,685 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:47:21,859 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:47:22,027 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:47:22,229 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:47:22,450 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:47:22,672 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:47:22,890 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:47:23,115 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:47:23,288 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:23,449 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:23,609 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:23,766 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:47:23,972 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:47:24,174 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:47:24,386 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:47:24,594 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:47:24,725 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:47:24,865 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:47:24,997 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:47:25,135 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:47:25,315 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:47:25,485 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:47:25,662 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:47:25,832 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:47:26,352 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:47:26,536 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:47:26,725 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:47:26,911 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:47:27,056 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:47:27,206 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:47:27,353 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:47:27,498 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:47:27,731 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:27,949 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:28,166 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:28,377 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:28,513 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:47:28,650 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:47:28,787 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:47:28,922 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:47:29,136 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:29,350 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:29,567 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:29,787 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:30,343 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 20:47:30,609 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 20:47:31,152 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 20:47:31,400 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 20:47:31,929 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 20:47:32,178 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 20:47:32,697 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 20:47:32,947 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 20:47:33,471 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:33,684 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:33,902 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:34,122 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:47:34,171 INFO L158 LiptonReduction]: Checked pairs total: 31978 [2021-04-28 20:47:34,172 INFO L160 LiptonReduction]: Total number of compositions: 297 [2021-04-28 20:47:34,177 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50955 [2021-04-28 20:47:34,202 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-28 20:47:34,202 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:47:34,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:47:34,203 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 20:47:34,204 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:47:34,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:47:34,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1408510, now seen corresponding path program 1 times [2021-04-28 20:47:34,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:47:34,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017245848] [2021-04-28 20:47:34,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:47:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:47:34,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:47:34,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:47:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:47:34,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017245848] [2021-04-28 20:47:34,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:47:34,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:47:34,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348217966] [2021-04-28 20:47:34,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:47:34,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:47:34,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:47:34,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:47:34,484 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 416 [2021-04-28 20:47:34,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 146 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 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) [2021-04-28 20:47:34,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:47:34,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 416 [2021-04-28 20:47:34,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:47:34,775 INFO L129 PetriNetUnfolder]: 133/840 cut-off events. [2021-04-28 20:47:34,775 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:47:34,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1075 conditions, 840 events. 133/840 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7529 event pairs, 110 based on Foata normal form. 69/345 useless extension candidates. Maximal degree in co-relation 989. Up to 153 conditions per place. [2021-04-28 20:47:34,788 INFO L132 encePairwiseOnDemand]: 394/416 looper letters, 11 selfloop transitions, 2 changer transitions 61/147 dead transitions. [2021-04-28 20:47:34,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 147 transitions, 364 flow [2021-04-28 20:47:34,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:47:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:47:34,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2021-04-28 20:47:34,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7980769230769231 [2021-04-28 20:47:34,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 996 transitions. [2021-04-28 20:47:34,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 996 transitions. [2021-04-28 20:47:34,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:47:34,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 996 transitions. [2021-04-28 20:47:34,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:34,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:34,841 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:34,844 INFO L185 Difference]: Start difference. First operand has 158 places, 146 transitions, 304 flow. Second operand 3 states and 996 transitions. [2021-04-28 20:47:34,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 147 transitions, 364 flow [2021-04-28 20:47:34,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 147 transitions, 360 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 20:47:34,853 INFO L241 Difference]: Finished difference. Result has 153 places, 81 transitions, 174 flow [2021-04-28 20:47:34,855 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=153, PETRI_TRANSITIONS=81} [2021-04-28 20:47:34,856 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -5 predicate places. [2021-04-28 20:47:34,856 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:47:34,856 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 81 transitions, 174 flow [2021-04-28 20:47:34,857 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 81 transitions, 174 flow [2021-04-28 20:47:34,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 174 flow [2021-04-28 20:47:34,869 INFO L129 PetriNetUnfolder]: 0/81 cut-off events. [2021-04-28 20:47:34,869 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:47:34,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 81 events. 0/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 398 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 20:47:34,872 INFO L146 LiptonReduction]: Number of co-enabled transitions 3378 [2021-04-28 20:47:36,157 INFO L158 LiptonReduction]: Checked pairs total: 4380 [2021-04-28 20:47:36,158 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:47:36,158 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1302 [2021-04-28 20:47:36,161 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 81 transitions, 174 flow [2021-04-28 20:47:36,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 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) [2021-04-28 20:47:36,162 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:47:36,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:47:36,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:47:36,163 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:47:36,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:47:36,163 INFO L82 PathProgramCache]: Analyzing trace with hash 2076536613, now seen corresponding path program 1 times [2021-04-28 20:47:36,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:47:36,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891331818] [2021-04-28 20:47:36,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:47:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:47:36,360 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:47:36,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:47:36,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:47:36,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891331818] [2021-04-28 20:47:36,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:47:36,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:47:36,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20542567] [2021-04-28 20:47:36,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:47:36,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:47:36,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:47:36,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:47:36,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 416 [2021-04-28 20:47:36,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 81 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:36,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:47:36,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 416 [2021-04-28 20:47:36,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:47:38,965 INFO L129 PetriNetUnfolder]: 5990/15428 cut-off events. [2021-04-28 20:47:38,965 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:47:39,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24099 conditions, 15428 events. 5990/15428 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2093. Compared 198532 event pairs, 1898 based on Foata normal form. 0/9855 useless extension candidates. Maximal degree in co-relation 24090. Up to 4973 conditions per place. [2021-04-28 20:47:39,042 INFO L132 encePairwiseOnDemand]: 391/416 looper letters, 8 selfloop transitions, 8 changer transitions 50/112 dead transitions. [2021-04-28 20:47:39,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 112 transitions, 368 flow [2021-04-28 20:47:39,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:47:39,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:47:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 794 transitions. [2021-04-28 20:47:39,046 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6362179487179487 [2021-04-28 20:47:39,046 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 794 transitions. [2021-04-28 20:47:39,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 794 transitions. [2021-04-28 20:47:39,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:47:39,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 794 transitions. [2021-04-28 20:47:39,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.6666666666667) internal successors, (794), 3 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:39,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:39,055 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:39,055 INFO L185 Difference]: Start difference. First operand has 92 places, 81 transitions, 174 flow. Second operand 3 states and 794 transitions. [2021-04-28 20:47:39,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 112 transitions, 368 flow [2021-04-28 20:47:39,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 112 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:47:39,059 INFO L241 Difference]: Finished difference. Result has 94 places, 62 transitions, 180 flow [2021-04-28 20:47:39,059 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=94, PETRI_TRANSITIONS=62} [2021-04-28 20:47:39,060 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -64 predicate places. [2021-04-28 20:47:39,060 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:47:39,060 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 62 transitions, 180 flow [2021-04-28 20:47:39,061 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 62 transitions, 180 flow [2021-04-28 20:47:39,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 62 transitions, 180 flow [2021-04-28 20:47:39,188 INFO L129 PetriNetUnfolder]: 276/930 cut-off events. [2021-04-28 20:47:39,189 INFO L130 PetriNetUnfolder]: For 74/87 co-relation queries the response was YES. [2021-04-28 20:47:39,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1590 conditions, 930 events. 276/930 cut-off events. For 74/87 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 7827 event pairs, 130 based on Foata normal form. 0/670 useless extension candidates. Maximal degree in co-relation 1581. Up to 325 conditions per place. [2021-04-28 20:47:39,213 INFO L146 LiptonReduction]: Number of co-enabled transitions 2174 [2021-04-28 20:47:39,607 INFO L158 LiptonReduction]: Checked pairs total: 1396 [2021-04-28 20:47:39,607 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:47:39,607 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 547 [2021-04-28 20:47:39,609 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 180 flow [2021-04-28 20:47:39,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:39,610 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:47:39,610 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:47:39,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:47:39,611 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:47:39,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:47:39,611 INFO L82 PathProgramCache]: Analyzing trace with hash -51878031, now seen corresponding path program 1 times [2021-04-28 20:47:39,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:47:39,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332591558] [2021-04-28 20:47:39,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:47:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:47:39,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:47:39,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:47:39,687 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:47:39,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:47:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:47:39,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332591558] [2021-04-28 20:47:39,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:47:39,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:47:39,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887122016] [2021-04-28 20:47:39,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:47:39,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:47:39,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:47:39,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:47:39,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 416 [2021-04-28 20:47:39,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 62 transitions, 180 flow. Second operand has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:39,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:47:39,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 416 [2021-04-28 20:47:39,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:47:39,874 INFO L129 PetriNetUnfolder]: 231/854 cut-off events. [2021-04-28 20:47:39,875 INFO L130 PetriNetUnfolder]: For 122/627 co-relation queries the response was YES. [2021-04-28 20:47:39,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1807 conditions, 854 events. 231/854 cut-off events. For 122/627 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 7041 event pairs, 54 based on Foata normal form. 11/607 useless extension candidates. Maximal degree in co-relation 1796. Up to 278 conditions per place. [2021-04-28 20:47:39,886 INFO L132 encePairwiseOnDemand]: 407/416 looper letters, 16 selfloop transitions, 12 changer transitions 0/74 dead transitions. [2021-04-28 20:47:39,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 74 transitions, 296 flow [2021-04-28 20:47:39,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:47:39,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:47:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 995 transitions. [2021-04-28 20:47:39,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5979567307692307 [2021-04-28 20:47:39,892 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 995 transitions. [2021-04-28 20:47:39,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 995 transitions. [2021-04-28 20:47:39,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:47:39,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 995 transitions. [2021-04-28 20:47:39,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 248.75) internal successors, (995), 4 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:39,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 416.0) internal successors, (2080), 5 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:39,906 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 416.0) internal successors, (2080), 5 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:39,906 INFO L185 Difference]: Start difference. First operand has 68 places, 62 transitions, 180 flow. Second operand 4 states and 995 transitions. [2021-04-28 20:47:39,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 74 transitions, 296 flow [2021-04-28 20:47:39,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 74 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:47:39,913 INFO L241 Difference]: Finished difference. Result has 72 places, 70 transitions, 258 flow [2021-04-28 20:47:39,913 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=258, PETRI_PLACES=72, PETRI_TRANSITIONS=70} [2021-04-28 20:47:39,913 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -86 predicate places. [2021-04-28 20:47:39,914 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:47:39,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 70 transitions, 258 flow [2021-04-28 20:47:39,914 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 70 transitions, 258 flow [2021-04-28 20:47:39,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 70 transitions, 258 flow [2021-04-28 20:47:40,035 INFO L129 PetriNetUnfolder]: 231/830 cut-off events. [2021-04-28 20:47:40,035 INFO L130 PetriNetUnfolder]: For 263/315 co-relation queries the response was YES. [2021-04-28 20:47:40,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1645 conditions, 830 events. 231/830 cut-off events. For 263/315 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 6854 event pairs, 75 based on Foata normal form. 1/593 useless extension candidates. Maximal degree in co-relation 1633. Up to 278 conditions per place. [2021-04-28 20:47:40,059 INFO L146 LiptonReduction]: Number of co-enabled transitions 2562 [2021-04-28 20:47:40,274 INFO L158 LiptonReduction]: Checked pairs total: 1614 [2021-04-28 20:47:40,274 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:47:40,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 360 [2021-04-28 20:47:40,275 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 70 transitions, 258 flow [2021-04-28 20:47:40,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:40,277 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:47:40,277 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:47:40,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:47:40,277 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:47:40,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:47:40,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1521197648, now seen corresponding path program 1 times [2021-04-28 20:47:40,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:47:40,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492135296] [2021-04-28 20:47:40,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:47:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:47:40,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:47:40,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:47:40,353 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:47:40,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:47:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:47:40,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492135296] [2021-04-28 20:47:40,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:47:40,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:47:40,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043872746] [2021-04-28 20:47:40,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:47:40,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:47:40,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:47:40,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:47:40,370 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 416 [2021-04-28 20:47:40,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 70 transitions, 258 flow. Second operand has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:40,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:47:40,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 416 [2021-04-28 20:47:40,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:47:40,504 INFO L129 PetriNetUnfolder]: 189/664 cut-off events. [2021-04-28 20:47:40,505 INFO L130 PetriNetUnfolder]: For 388/1032 co-relation queries the response was YES. [2021-04-28 20:47:40,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1678 conditions, 664 events. 189/664 cut-off events. For 388/1032 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4875 event pairs, 17 based on Foata normal form. 5/482 useless extension candidates. Maximal degree in co-relation 1664. Up to 230 conditions per place. [2021-04-28 20:47:40,514 INFO L132 encePairwiseOnDemand]: 407/416 looper letters, 24 selfloop transitions, 15 changer transitions 0/85 dead transitions. [2021-04-28 20:47:40,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 85 transitions, 438 flow [2021-04-28 20:47:40,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:47:40,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:47:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 993 transitions. [2021-04-28 20:47:40,518 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5967548076923077 [2021-04-28 20:47:40,518 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 993 transitions. [2021-04-28 20:47:40,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 993 transitions. [2021-04-28 20:47:40,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:47:40,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 993 transitions. [2021-04-28 20:47:40,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 248.25) internal successors, (993), 4 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:40,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 416.0) internal successors, (2080), 5 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:40,528 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 416.0) internal successors, (2080), 5 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:40,528 INFO L185 Difference]: Start difference. First operand has 72 places, 70 transitions, 258 flow. Second operand 4 states and 993 transitions. [2021-04-28 20:47:40,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 85 transitions, 438 flow [2021-04-28 20:47:40,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 85 transitions, 438 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:47:40,535 INFO L241 Difference]: Finished difference. Result has 78 places, 79 transitions, 406 flow [2021-04-28 20:47:40,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=406, PETRI_PLACES=78, PETRI_TRANSITIONS=79} [2021-04-28 20:47:40,535 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -80 predicate places. [2021-04-28 20:47:40,535 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:47:40,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 79 transitions, 406 flow [2021-04-28 20:47:40,536 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 79 transitions, 406 flow [2021-04-28 20:47:40,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 79 transitions, 406 flow [2021-04-28 20:47:40,634 INFO L129 PetriNetUnfolder]: 189/708 cut-off events. [2021-04-28 20:47:40,634 INFO L130 PetriNetUnfolder]: For 733/791 co-relation queries the response was YES. [2021-04-28 20:47:40,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 708 events. 189/708 cut-off events. For 733/791 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5515 event pairs, 36 based on Foata normal form. 2/507 useless extension candidates. Maximal degree in co-relation 1713. Up to 230 conditions per place. [2021-04-28 20:47:40,652 INFO L146 LiptonReduction]: Number of co-enabled transitions 2884 [2021-04-28 20:47:40,971 INFO L158 LiptonReduction]: Checked pairs total: 1846 [2021-04-28 20:47:40,971 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:47:40,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 437 [2021-04-28 20:47:40,973 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 79 transitions, 406 flow [2021-04-28 20:47:40,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:40,974 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:47:40,974 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:47:40,974 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:47:40,974 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:47:40,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:47:40,975 INFO L82 PathProgramCache]: Analyzing trace with hash 970092071, now seen corresponding path program 1 times [2021-04-28 20:47:40,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:47:40,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256345822] [2021-04-28 20:47:40,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:47:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:47:41,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:47:41,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:47:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:47:41,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256345822] [2021-04-28 20:47:41,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:47:41,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:47:41,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035182371] [2021-04-28 20:47:41,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:47:41,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:47:41,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:47:41,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:47:41,054 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 416 [2021-04-28 20:47:41,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 79 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:47:41,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 416 [2021-04-28 20:47:41,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:47:41,168 INFO L129 PetriNetUnfolder]: 173/648 cut-off events. [2021-04-28 20:47:41,168 INFO L130 PetriNetUnfolder]: For 1004/1271 co-relation queries the response was YES. [2021-04-28 20:47:41,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1695 conditions, 648 events. 173/648 cut-off events. For 1004/1271 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 4885 event pairs, 38 based on Foata normal form. 6/464 useless extension candidates. Maximal degree in co-relation 1676. Up to 210 conditions per place. [2021-04-28 20:47:41,178 INFO L132 encePairwiseOnDemand]: 412/416 looper letters, 11 selfloop transitions, 7 changer transitions 0/85 dead transitions. [2021-04-28 20:47:41,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 85 transitions, 490 flow [2021-04-28 20:47:41,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:47:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:47:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 976 transitions. [2021-04-28 20:47:41,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.782051282051282 [2021-04-28 20:47:41,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 976 transitions. [2021-04-28 20:47:41,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 976 transitions. [2021-04-28 20:47:41,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:47:41,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 976 transitions. [2021-04-28 20:47:41,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,191 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,191 INFO L185 Difference]: Start difference. First operand has 78 places, 79 transitions, 406 flow. Second operand 3 states and 976 transitions. [2021-04-28 20:47:41,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 85 transitions, 490 flow [2021-04-28 20:47:41,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 85 transitions, 486 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:47:41,198 INFO L241 Difference]: Finished difference. Result has 80 places, 85 transitions, 485 flow [2021-04-28 20:47:41,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=485, PETRI_PLACES=80, PETRI_TRANSITIONS=85} [2021-04-28 20:47:41,199 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -78 predicate places. [2021-04-28 20:47:41,199 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:47:41,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 85 transitions, 485 flow [2021-04-28 20:47:41,199 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 85 transitions, 485 flow [2021-04-28 20:47:41,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 85 transitions, 485 flow [2021-04-28 20:47:41,318 INFO L129 PetriNetUnfolder]: 173/624 cut-off events. [2021-04-28 20:47:41,319 INFO L130 PetriNetUnfolder]: For 840/950 co-relation queries the response was YES. [2021-04-28 20:47:41,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 624 events. 173/624 cut-off events. For 840/950 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4589 event pairs, 26 based on Foata normal form. 2/453 useless extension candidates. Maximal degree in co-relation 1661. Up to 210 conditions per place. [2021-04-28 20:47:41,335 INFO L146 LiptonReduction]: Number of co-enabled transitions 3152 [2021-04-28 20:47:41,421 INFO L158 LiptonReduction]: Checked pairs total: 2148 [2021-04-28 20:47:41,422 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:47:41,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 223 [2021-04-28 20:47:41,423 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 85 transitions, 485 flow [2021-04-28 20:47:41,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,424 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:47:41,424 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:47:41,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:47:41,424 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:47:41,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:47:41,425 INFO L82 PathProgramCache]: Analyzing trace with hash 685063932, now seen corresponding path program 1 times [2021-04-28 20:47:41,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:47:41,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211309305] [2021-04-28 20:47:41,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:47:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:47:41,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:47:41,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:47:41,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:47:41,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:47:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:47:41,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211309305] [2021-04-28 20:47:41,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:47:41,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:47:41,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044872077] [2021-04-28 20:47:41,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:47:41,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:47:41,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:47:41,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:47:41,477 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 416 [2021-04-28 20:47:41,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 85 transitions, 485 flow. Second operand has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:47:41,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 416 [2021-04-28 20:47:41,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:47:41,600 INFO L129 PetriNetUnfolder]: 171/746 cut-off events. [2021-04-28 20:47:41,600 INFO L130 PetriNetUnfolder]: For 1264/1658 co-relation queries the response was YES. [2021-04-28 20:47:41,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1956 conditions, 746 events. 171/746 cut-off events. For 1264/1658 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6087 event pairs, 42 based on Foata normal form. 14/530 useless extension candidates. Maximal degree in co-relation 1935. Up to 222 conditions per place. [2021-04-28 20:47:41,612 INFO L132 encePairwiseOnDemand]: 413/416 looper letters, 5 selfloop transitions, 8 changer transitions 1/85 dead transitions. [2021-04-28 20:47:41,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 85 transitions, 513 flow [2021-04-28 20:47:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:47:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:47:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 993 transitions. [2021-04-28 20:47:41,616 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7956730769230769 [2021-04-28 20:47:41,616 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 993 transitions. [2021-04-28 20:47:41,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 993 transitions. [2021-04-28 20:47:41,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:47:41,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 993 transitions. [2021-04-28 20:47:41,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,624 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,624 INFO L185 Difference]: Start difference. First operand has 80 places, 85 transitions, 485 flow. Second operand 3 states and 993 transitions. [2021-04-28 20:47:41,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 85 transitions, 513 flow [2021-04-28 20:47:41,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 85 transitions, 506 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:47:41,631 INFO L241 Difference]: Finished difference. Result has 82 places, 84 transitions, 494 flow [2021-04-28 20:47:41,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=82, PETRI_TRANSITIONS=84} [2021-04-28 20:47:41,631 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -76 predicate places. [2021-04-28 20:47:41,631 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:47:41,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 84 transitions, 494 flow [2021-04-28 20:47:41,632 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 84 transitions, 494 flow [2021-04-28 20:47:41,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 84 transitions, 494 flow [2021-04-28 20:47:41,729 INFO L129 PetriNetUnfolder]: 161/692 cut-off events. [2021-04-28 20:47:41,730 INFO L130 PetriNetUnfolder]: For 1159/1276 co-relation queries the response was YES. [2021-04-28 20:47:41,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1822 conditions, 692 events. 161/692 cut-off events. For 1159/1276 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 5573 event pairs, 32 based on Foata normal form. 2/489 useless extension candidates. Maximal degree in co-relation 1802. Up to 216 conditions per place. [2021-04-28 20:47:41,750 INFO L146 LiptonReduction]: Number of co-enabled transitions 3088 [2021-04-28 20:47:41,760 INFO L158 LiptonReduction]: Checked pairs total: 2112 [2021-04-28 20:47:41,760 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:47:41,760 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129 [2021-04-28 20:47:41,762 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 84 transitions, 494 flow [2021-04-28 20:47:41,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:47:41,762 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:47:41,763 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:47:41,763 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:47:41,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:47:41,763 INFO L82 PathProgramCache]: Analyzing trace with hash -502451297, now seen corresponding path program 1 times [2021-04-28 20:47:41,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:47:41,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635329189] [2021-04-28 20:47:41,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:47:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:47:41,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:47:41,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:47:41,825 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:47:41,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:47:41,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:47:41,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:47:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:47:41,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635329189] [2021-04-28 20:47:41,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:47:41,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:47:41,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403452471] [2021-04-28 20:47:41,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:47:41,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:47:41,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:47:41,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:47:41,839 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 416 [2021-04-28 20:47:41,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 84 transitions, 494 flow. Second operand has 4 states, 4 states have (on average 320.75) internal successors, (1283), 4 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:41,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:47:41,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 416 [2021-04-28 20:47:41,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:47:54,645 INFO L129 PetriNetUnfolder]: 83335/123589 cut-off events. [2021-04-28 20:47:54,646 INFO L130 PetriNetUnfolder]: For 9932/10605 co-relation queries the response was YES. [2021-04-28 20:47:55,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251190 conditions, 123589 events. 83335/123589 cut-off events. For 9932/10605 co-relation queries the response was YES. Maximal size of possible extension queue 18699. Compared 1211497 event pairs, 44247 based on Foata normal form. 2257/37734 useless extension candidates. Maximal degree in co-relation 251168. Up to 79141 conditions per place. [2021-04-28 20:47:55,589 INFO L132 encePairwiseOnDemand]: 396/416 looper letters, 34 selfloop transitions, 33 changer transitions 0/128 dead transitions. [2021-04-28 20:47:55,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 128 transitions, 716 flow [2021-04-28 20:47:55,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:47:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:47:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1666 transitions. [2021-04-28 20:47:55,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8009615384615385 [2021-04-28 20:47:55,597 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1666 transitions. [2021-04-28 20:47:55,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1666 transitions. [2021-04-28 20:47:55,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:47:55,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1666 transitions. [2021-04-28 20:47:55,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 333.2) internal successors, (1666), 5 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:55,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 416.0) internal successors, (2496), 6 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:55,753 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 416.0) internal successors, (2496), 6 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:47:55,753 INFO L185 Difference]: Start difference. First operand has 82 places, 84 transitions, 494 flow. Second operand 5 states and 1666 transitions. [2021-04-28 20:47:55,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 128 transitions, 716 flow [2021-04-28 20:47:55,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 128 transitions, 706 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 20:47:55,788 INFO L241 Difference]: Finished difference. Result has 88 places, 115 transitions, 730 flow [2021-04-28 20:47:55,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=730, PETRI_PLACES=88, PETRI_TRANSITIONS=115} [2021-04-28 20:47:55,788 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -70 predicate places. [2021-04-28 20:47:55,788 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:47:55,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 115 transitions, 730 flow [2021-04-28 20:47:55,789 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 115 transitions, 730 flow [2021-04-28 20:47:55,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 115 transitions, 730 flow [2021-04-28 20:48:07,022 INFO L129 PetriNetUnfolder]: 73272/109545 cut-off events. [2021-04-28 20:48:07,022 INFO L130 PetriNetUnfolder]: For 27092/96381 co-relation queries the response was YES. [2021-04-28 20:48:07,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315325 conditions, 109545 events. 73272/109545 cut-off events. For 27092/96381 co-relation queries the response was YES. Maximal size of possible extension queue 17635. Compared 1106345 event pairs, 41194 based on Foata normal form. 51/32579 useless extension candidates. Maximal degree in co-relation 315301. Up to 104183 conditions per place. [2021-04-28 20:48:08,982 INFO L146 LiptonReduction]: Number of co-enabled transitions 4822 [2021-04-28 20:48:25,134 INFO L158 LiptonReduction]: Checked pairs total: 3774 [2021-04-28 20:48:25,135 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:48:25,135 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29347 [2021-04-28 20:48:25,136 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 115 transitions, 730 flow [2021-04-28 20:48:25,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 320.75) internal successors, (1283), 4 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:48:25,137 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:48:25,137 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:48:25,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:48:25,138 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:48:25,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:48:25,138 INFO L82 PathProgramCache]: Analyzing trace with hash -930410655, now seen corresponding path program 1 times [2021-04-28 20:48:25,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:48:25,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360313215] [2021-04-28 20:48:25,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:48:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:48:25,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:48:25,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:48:25,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:48:25,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:48:25,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:48:25,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360313215] [2021-04-28 20:48:25,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:48:25,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:48:25,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479805653] [2021-04-28 20:48:25,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:48:25,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:48:25,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:48:25,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:48:25,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 416 [2021-04-28 20:48:25,201 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 115 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 324.0) internal successors, (972), 3 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:48:25,202 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:48:25,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 416 [2021-04-28 20:48:25,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:48:45,039 INFO L129 PetriNetUnfolder]: 116736/173521 cut-off events. [2021-04-28 20:48:45,039 INFO L130 PetriNetUnfolder]: For 45080/275907 co-relation queries the response was YES. [2021-04-28 20:48:45,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 499308 conditions, 173521 events. 116736/173521 cut-off events. For 45080/275907 co-relation queries the response was YES. Maximal size of possible extension queue 25488. Compared 1754259 event pairs, 67655 based on Foata normal form. 582/51856 useless extension candidates. Maximal degree in co-relation 499282. Up to 166046 conditions per place. [2021-04-28 20:48:46,226 INFO L132 encePairwiseOnDemand]: 413/416 looper letters, 4 selfloop transitions, 13 changer transitions 1/115 dead transitions. [2021-04-28 20:48:46,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 115 transitions, 766 flow [2021-04-28 20:48:46,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:48:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:48:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2021-04-28 20:48:46,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.78125 [2021-04-28 20:48:46,232 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 975 transitions. [2021-04-28 20:48:46,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 975 transitions. [2021-04-28 20:48:46,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:48:46,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 975 transitions. [2021-04-28 20:48:46,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:48:46,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:48:46,240 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:48:46,240 INFO L185 Difference]: Start difference. First operand has 88 places, 115 transitions, 730 flow. Second operand 3 states and 975 transitions. [2021-04-28 20:48:46,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 115 transitions, 766 flow [2021-04-28 20:48:46,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 115 transitions, 766 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:48:46,498 INFO L241 Difference]: Finished difference. Result has 91 places, 114 transitions, 763 flow [2021-04-28 20:48:46,498 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=763, PETRI_PLACES=91, PETRI_TRANSITIONS=114} [2021-04-28 20:48:46,499 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -67 predicate places. [2021-04-28 20:48:46,499 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:48:46,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 114 transitions, 763 flow [2021-04-28 20:48:46,499 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 114 transitions, 763 flow [2021-04-28 20:48:46,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 114 transitions, 763 flow [2021-04-28 20:49:04,604 INFO L129 PetriNetUnfolder]: 113122/166812 cut-off events. [2021-04-28 20:49:04,605 INFO L130 PetriNetUnfolder]: For 39074/167726 co-relation queries the response was YES. [2021-04-28 20:49:05,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 480088 conditions, 166812 events. 113122/166812 cut-off events. For 39074/167726 co-relation queries the response was YES. Maximal size of possible extension queue 26057. Compared 1712533 event pairs, 65006 based on Foata normal form. 47/49928 useless extension candidates. Maximal degree in co-relation 480062. Up to 160034 conditions per place. [2021-04-28 20:49:07,552 INFO L146 LiptonReduction]: Number of co-enabled transitions 4752 [2021-04-28 20:49:19,558 INFO L158 LiptonReduction]: Checked pairs total: 3686 [2021-04-28 20:49:19,559 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:49:19,559 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33060 [2021-04-28 20:49:19,563 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 114 transitions, 763 flow [2021-04-28 20:49:19,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 324.0) internal successors, (972), 3 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:49:19,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:49:19,564 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:49:19,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:49:19,564 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:49:19,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:49:19,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1154081822, now seen corresponding path program 1 times [2021-04-28 20:49:19,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:49:19,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960283531] [2021-04-28 20:49:19,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:49:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:49:19,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:49:19,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:49:19,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:49:19,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:49:19,711 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:49:19,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:49:19,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:49:19,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:49:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:49:19,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960283531] [2021-04-28 20:49:19,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:49:19,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:49:19,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584484952] [2021-04-28 20:49:19,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:49:19,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:49:19,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:49:19,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:49:19,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 416 [2021-04-28 20:49:19,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 114 transitions, 763 flow. Second operand has 5 states, 5 states have (on average 320.8) internal successors, (1604), 5 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:49:19,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:49:19,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 416 [2021-04-28 20:49:19,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:49:47,581 INFO L129 PetriNetUnfolder]: 144237/221036 cut-off events. [2021-04-28 20:49:47,581 INFO L130 PetriNetUnfolder]: For 63793/1047555 co-relation queries the response was YES. [2021-04-28 20:49:48,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 851779 conditions, 221036 events. 144237/221036 cut-off events. For 63793/1047555 co-relation queries the response was YES. Maximal size of possible extension queue 36405. Compared 2369532 event pairs, 29588 based on Foata normal form. 4011/74504 useless extension candidates. Maximal degree in co-relation 851751. Up to 207857 conditions per place. [2021-04-28 20:49:49,467 INFO L132 encePairwiseOnDemand]: 396/416 looper letters, 35 selfloop transitions, 64 changer transitions 0/159 dead transitions. [2021-04-28 20:49:49,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 159 transitions, 1210 flow [2021-04-28 20:49:49,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:49:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:49:49,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2336 transitions. [2021-04-28 20:49:49,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8021978021978022 [2021-04-28 20:49:49,475 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2336 transitions. [2021-04-28 20:49:49,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2336 transitions. [2021-04-28 20:49:49,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:49:49,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2336 transitions. [2021-04-28 20:49:49,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 333.7142857142857) internal successors, (2336), 7 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:49:49,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 416.0) internal successors, (3328), 8 states have internal predecessors, (3328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:49:49,492 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 416.0) internal successors, (3328), 8 states have internal predecessors, (3328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:49:49,492 INFO L185 Difference]: Start difference. First operand has 91 places, 114 transitions, 763 flow. Second operand 7 states and 2336 transitions. [2021-04-28 20:49:49,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 159 transitions, 1210 flow [2021-04-28 20:49:49,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 159 transitions, 1193 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 20:49:49,859 INFO L241 Difference]: Finished difference. Result has 99 places, 145 transitions, 1188 flow [2021-04-28 20:49:49,859 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1188, PETRI_PLACES=99, PETRI_TRANSITIONS=145} [2021-04-28 20:49:49,859 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -59 predicate places. [2021-04-28 20:49:49,859 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:49:49,860 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 145 transitions, 1188 flow [2021-04-28 20:49:49,860 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 145 transitions, 1188 flow [2021-04-28 20:49:49,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 145 transitions, 1188 flow [2021-04-28 20:50:17,377 INFO L129 PetriNetUnfolder]: 129004/200168 cut-off events. [2021-04-28 20:50:17,378 INFO L130 PetriNetUnfolder]: For 144698/351041 co-relation queries the response was YES. [2021-04-28 20:50:18,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 952375 conditions, 200168 events. 129004/200168 cut-off events. For 144698/351041 co-relation queries the response was YES. Maximal size of possible extension queue 32831. Compared 2225355 event pairs, 28485 based on Foata normal form. 103/61853 useless extension candidates. Maximal degree in co-relation 952345. Up to 192533 conditions per place. [2021-04-28 20:50:22,542 INFO L146 LiptonReduction]: Number of co-enabled transitions 6426 [2021-04-28 20:50:52,756 INFO L158 LiptonReduction]: Checked pairs total: 7345 [2021-04-28 20:50:52,756 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:50:52,757 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62898 [2021-04-28 20:50:52,758 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 145 transitions, 1188 flow [2021-04-28 20:50:52,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 320.8) internal successors, (1604), 5 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:50:52,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:50:52,759 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] [2021-04-28 20:50:52,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:50:52,759 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:50:52,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:50:52,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1128681782, now seen corresponding path program 1 times [2021-04-28 20:50:52,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:50:52,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263719522] [2021-04-28 20:50:52,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:50:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:50:52,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:50:52,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:50:52,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:50:52,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:50:52,818 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:50:52,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:50:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:50:52,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263719522] [2021-04-28 20:50:52,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:50:52,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:50:52,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063214440] [2021-04-28 20:50:52,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:50:52,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:50:52,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:50:52,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:50:52,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 416 [2021-04-28 20:50:52,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 145 transitions, 1188 flow. Second operand has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:50:52,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:50:52,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 416 [2021-04-28 20:50:52,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:51:38,261 INFO L129 PetriNetUnfolder]: 201417/310867 cut-off events. [2021-04-28 20:51:38,262 INFO L130 PetriNetUnfolder]: For 260880/2447292 co-relation queries the response was YES. [2021-04-28 20:51:40,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1480768 conditions, 310867 events. 201417/310867 cut-off events. For 260880/2447292 co-relation queries the response was YES. Maximal size of possible extension queue 54360. Compared 3526768 event pairs, 44496 based on Foata normal form. 764/91627 useless extension candidates. Maximal degree in co-relation 1480736. Up to 299552 conditions per place. [2021-04-28 20:51:40,872 INFO L132 encePairwiseOnDemand]: 405/416 looper letters, 25 selfloop transitions, 43 changer transitions 0/173 dead transitions. [2021-04-28 20:51:40,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 173 transitions, 1579 flow [2021-04-28 20:51:40,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:51:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:51:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1216 transitions. [2021-04-28 20:51:40,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5846153846153846 [2021-04-28 20:51:40,876 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1216 transitions. [2021-04-28 20:51:40,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1216 transitions. [2021-04-28 20:51:40,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:51:40,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1216 transitions. [2021-04-28 20:51:40,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 243.2) internal successors, (1216), 5 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:51:40,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 416.0) internal successors, (2496), 6 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:51:40,884 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 416.0) internal successors, (2496), 6 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:51:40,884 INFO L185 Difference]: Start difference. First operand has 99 places, 145 transitions, 1188 flow. Second operand 5 states and 1216 transitions. [2021-04-28 20:51:40,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 173 transitions, 1579 flow [2021-04-28 20:53:47,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 173 transitions, 1417 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 20:53:47,597 INFO L241 Difference]: Finished difference. Result has 103 places, 167 transitions, 1420 flow [2021-04-28 20:53:47,597 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=1026, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1420, PETRI_PLACES=103, PETRI_TRANSITIONS=167} [2021-04-28 20:53:47,597 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -55 predicate places. [2021-04-28 20:53:47,597 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:53:47,598 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 167 transitions, 1420 flow [2021-04-28 20:53:47,598 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 167 transitions, 1420 flow [2021-04-28 20:53:47,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 167 transitions, 1420 flow [2021-04-28 20:54:35,499 INFO L129 PetriNetUnfolder]: 199127/308321 cut-off events. [2021-04-28 20:54:35,500 INFO L130 PetriNetUnfolder]: For 325563/459142 co-relation queries the response was YES. [2021-04-28 20:54:37,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1376153 conditions, 308321 events. 199127/308321 cut-off events. For 325563/459142 co-relation queries the response was YES. Maximal size of possible extension queue 52062. Compared 3548234 event pairs, 44039 based on Foata normal form. 142/91247 useless extension candidates. Maximal degree in co-relation 1376120. Up to 263428 conditions per place. [2021-04-28 20:54:41,211 INFO L146 LiptonReduction]: Number of co-enabled transitions 8680 [2021-04-28 20:57:00,723 INFO L158 LiptonReduction]: Checked pairs total: 8551 [2021-04-28 20:57:00,725 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:57:00,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 193129 [2021-04-28 20:57:00,727 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 167 transitions, 1420 flow [2021-04-28 20:57:00,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:57:00,729 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:57:00,729 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] [2021-04-28 20:57:00,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 20:57:00,729 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:57:00,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:57:00,730 INFO L82 PathProgramCache]: Analyzing trace with hash 881386698, now seen corresponding path program 1 times [2021-04-28 20:57:00,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:57:00,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722155007] [2021-04-28 20:57:00,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:57:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:57:00,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:00,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:57:00,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:00,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:57:00,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:00,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:57:00,823 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:57:00,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:57:00,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:00,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:57:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:57:00,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722155007] [2021-04-28 20:57:00,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:57:00,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:57:00,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82506852] [2021-04-28 20:57:00,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:57:00,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:57:00,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:57:00,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:57:00,842 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 416 [2021-04-28 20:57:00,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 167 transitions, 1420 flow. Second operand has 6 states, 6 states have (on average 320.8333333333333) internal successors, (1925), 6 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:57:00,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:57:00,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 416 [2021-04-28 20:57:00,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:58:16,452 INFO L129 PetriNetUnfolder]: 207289/334820 cut-off events. [2021-04-28 20:58:16,452 INFO L130 PetriNetUnfolder]: For 392316/2859612 co-relation queries the response was YES. [2021-04-28 20:58:18,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1812648 conditions, 334820 events. 207289/334820 cut-off events. For 392316/2859612 co-relation queries the response was YES. Maximal size of possible extension queue 55602. Compared 4086938 event pairs, 7240 based on Foata normal form. 6398/110074 useless extension candidates. Maximal degree in co-relation 1812613. Up to 280774 conditions per place. [2021-04-28 20:58:19,173 INFO L132 encePairwiseOnDemand]: 396/416 looper letters, 24 selfloop transitions, 95 changer transitions 13/213 dead transitions. [2021-04-28 20:58:19,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 213 transitions, 2091 flow [2021-04-28 20:58:19,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:58:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:58:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3006 transitions. [2021-04-28 20:58:19,183 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8028846153846154 [2021-04-28 20:58:19,183 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3006 transitions. [2021-04-28 20:58:19,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3006 transitions. [2021-04-28 20:58:19,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:58:19,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3006 transitions. [2021-04-28 20:58:19,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 334.0) internal successors, (3006), 9 states have internal predecessors, (3006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:58:19,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 416.0) internal successors, (4160), 10 states have internal predecessors, (4160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:58:19,201 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 416.0) internal successors, (4160), 10 states have internal predecessors, (4160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:58:19,202 INFO L185 Difference]: Start difference. First operand has 103 places, 167 transitions, 1420 flow. Second operand 9 states and 3006 transitions. [2021-04-28 20:58:19,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 213 transitions, 2091 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown