/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/mix019_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:25:50,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:25:50,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:25:50,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:25:50,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:25:50,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:25:50,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:25:50,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:25:50,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:25:50,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:25:50,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:25:50,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:25:50,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:25:50,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:25:50,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:25:50,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:25:50,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:25:50,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:25:50,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:25:50,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:25:50,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:25:50,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:25:50,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:25:50,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:25:50,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:25:50,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:25:50,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:25:50,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:25:50,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:25:50,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:25:50,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:25:50,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:25:50,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:25:50,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:25:50,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:25:50,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:25:50,777 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 18:25:50,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:25:50,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:25:50,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:25:50,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:25:50,806 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:25:50,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:25:50,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:25:50,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:25:50,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:25:50,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:25:50,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:25:50,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:25:50,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:25:50,809 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:25:50,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:25:50,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:25:50,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:25:50,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:25:50,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:25:50,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:25:50,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:25:50,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:25:50,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:25:50,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:25:50,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:25:50,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:25:50,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:25:50,813 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:25:50,813 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:25:50,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:25:50,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:25:51,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:25:51,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:25:51,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:25:51,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:25:51,245 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:25:51,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix019_rmo.oepc.i [2021-04-28 18:25:51,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9da92a06/a8f0067ddfca4acaa55a4f961db7fe59/FLAG3acbc0b99 [2021-04-28 18:25:52,037 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:25:52,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_rmo.oepc.i [2021-04-28 18:25:52,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9da92a06/a8f0067ddfca4acaa55a4f961db7fe59/FLAG3acbc0b99 [2021-04-28 18:25:52,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9da92a06/a8f0067ddfca4acaa55a4f961db7fe59 [2021-04-28 18:25:52,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:25:52,344 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:25:52,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:25:52,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:25:52,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:25:52,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:25:52" (1/1) ... [2021-04-28 18:25:52,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65515106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:52, skipping insertion in model container [2021-04-28 18:25:52,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:25:52" (1/1) ... [2021-04-28 18:25:52,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:25:52,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:25:52,582 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/mix019_rmo.oepc.i[949,962] [2021-04-28 18:25:52,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:25:52,897 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:25:52,912 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/mix019_rmo.oepc.i[949,962] [2021-04-28 18:25:52,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:25:53,088 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:25:53,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53 WrapperNode [2021-04-28 18:25:53,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:25:53,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:25:53,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:25:53,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:25:53,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (1/1) ... [2021-04-28 18:25:53,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (1/1) ... [2021-04-28 18:25:53,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:25:53,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:25:53,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:25:53,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:25:53,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (1/1) ... [2021-04-28 18:25:53,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (1/1) ... [2021-04-28 18:25:53,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (1/1) ... [2021-04-28 18:25:53,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (1/1) ... [2021-04-28 18:25:53,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (1/1) ... [2021-04-28 18:25:53,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (1/1) ... [2021-04-28 18:25:53,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (1/1) ... [2021-04-28 18:25:53,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:25:53,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:25:53,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:25:53,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:25:53,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (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 18:25:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:25:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:25:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:25:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:25:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:25:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:25:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:25:53,382 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:25:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:25:53,382 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:25:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:25:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:25:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:25:53,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:25:53,385 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 18:25:55,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:25:55,611 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:25:55,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:25:55 BoogieIcfgContainer [2021-04-28 18:25:55,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:25:55,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:25:55,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:25:55,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:25:55,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:25:52" (1/3) ... [2021-04-28 18:25:55,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607dec3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:25:55, skipping insertion in model container [2021-04-28 18:25:55,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:25:53" (2/3) ... [2021-04-28 18:25:55,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607dec3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:25:55, skipping insertion in model container [2021-04-28 18:25:55,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:25:55" (3/3) ... [2021-04-28 18:25:55,622 INFO L111 eAbstractionObserver]: Analyzing ICFG mix019_rmo.oepc.i [2021-04-28 18:25:55,630 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:25:55,635 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:25:55,636 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:25:55,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,678 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,679 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,679 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,679 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,679 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,679 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,680 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,680 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,681 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,681 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,687 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,687 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,688 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,688 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,693 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,693 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,694 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,694 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,718 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,719 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,722 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,724 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,726 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,726 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,726 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,726 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,726 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,727 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,727 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,727 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,727 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,728 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,728 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,728 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,728 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,728 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,733 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,734 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,734 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:25:55,736 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:25:55,760 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 18:25:55,785 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:25:55,785 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:25:55,785 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:25:55,786 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:25:55,786 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:25:55,786 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:25:55,786 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:25:55,786 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:25:55,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 18:25:55,852 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 18:25:55,853 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:25:55,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 18:25:55,858 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 18:25:55,864 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-04-28 18:25:55,866 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:55,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 18:25:55,886 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 18:25:55,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-04-28 18:25:55,911 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 18:25:55,911 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:25:55,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 18:25:55,916 INFO L146 LiptonReduction]: Number of co-enabled transitions 1778 [2021-04-28 18:25:56,476 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-04-28 18:25:59,509 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:25:59,630 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:26:00,212 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 18:26:00,448 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:26:01,082 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 18:26:08,376 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:26:11,267 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 18:26:11,399 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 18:26:13,965 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:26:14,097 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:26:14,240 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:26:14,380 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:26:14,484 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:26:14,586 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:26:15,739 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:26:15,942 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:26:16,057 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:26:16,171 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:26:16,276 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:26:16,382 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:26:16,491 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:26:16,597 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:26:16,742 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:26:16,852 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:26:16,985 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:26:17,113 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:26:17,249 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:26:17,379 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:26:17,501 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:26:17,623 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:26:17,741 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:26:17,858 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:26:17,971 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:26:18,087 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:26:18,201 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:26:18,312 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:26:18,451 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:26:18,593 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:26:18,724 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:26:18,858 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:26:19,299 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:26:19,406 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:26:19,507 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:26:19,610 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:26:19,912 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:26:20,090 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:26:20,228 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:26:20,368 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:26:20,521 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:26:20,671 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:26:20,824 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:26:20,972 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:26:21,505 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 18:26:21,755 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 18:26:22,297 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 18:26:22,548 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 18:26:23,058 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 18:26:23,333 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 18:26:23,848 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 18:26:24,087 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 18:26:24,293 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:24,491 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:24,690 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:24,881 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:25,036 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:26:25,198 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:26:25,370 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:26:25,539 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:26:25,756 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:25,964 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:26,168 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:26,408 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:26,605 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:26:26,812 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:26:27,014 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:26:27,210 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:26:27,428 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:27,631 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:27,837 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:28,038 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:28,204 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:26:28,373 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:26:28,549 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:26:28,724 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:26:28,906 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:26:29,083 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:26:29,258 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:26:29,438 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:26:29,642 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:29,851 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:30,094 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:30,301 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:26:30,473 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:26:30,641 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:26:30,816 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:26:30,993 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:26:31,195 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:26:31,396 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:26:31,588 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:26:31,776 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:26:31,969 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:26:32,162 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:26:32,349 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:26:32,534 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:26:32,603 INFO L158 LiptonReduction]: Checked pairs total: 16214 [2021-04-28 18:26:32,603 INFO L160 LiptonReduction]: Total number of compositions: 223 [2021-04-28 18:26:32,609 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36744 [2021-04-28 18:26:32,633 INFO L129 PetriNetUnfolder]: 0/54 cut-off events. [2021-04-28 18:26:32,633 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:26:32,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:32,634 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 18:26:32,634 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:32,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:32,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1189829, now seen corresponding path program 1 times [2021-04-28 18:26:32,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:32,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668785115] [2021-04-28 18:26:32,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:32,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:32,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:32,903 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 18:26:32,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668785115] [2021-04-28 18:26:32,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:32,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:26:32,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334673185] [2021-04-28 18:26:32,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:26:32,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:32,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:26:32,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:26:32,937 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 323 [2021-04-28 18:26:32,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 118 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:26:32,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:32,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 323 [2021-04-28 18:26:32,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:33,107 INFO L129 PetriNetUnfolder]: 49/423 cut-off events. [2021-04-28 18:26:33,108 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:26:33,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 423 events. 49/423 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3287 event pairs, 38 based on Foata normal form. 35/159 useless extension candidates. Maximal degree in co-relation 462. Up to 65 conditions per place. [2021-04-28 18:26:33,115 INFO L132 encePairwiseOnDemand]: 308/323 looper letters, 9 selfloop transitions, 2 changer transitions 49/118 dead transitions. [2021-04-28 18:26:33,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 118 transitions, 285 flow [2021-04-28 18:26:33,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:26:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:26:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2021-04-28 18:26:33,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8359133126934984 [2021-04-28 18:26:33,137 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2021-04-28 18:26:33,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2021-04-28 18:26:33,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:33,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2021-04-28 18:26:33,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 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 18:26:33,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 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 18:26:33,163 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 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 18:26:33,165 INFO L185 Difference]: Start difference. First operand has 127 places, 118 transitions, 245 flow. Second operand 3 states and 810 transitions. [2021-04-28 18:26:33,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 118 transitions, 285 flow [2021-04-28 18:26:33,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 118 transitions, 282 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 18:26:33,173 INFO L241 Difference]: Finished difference. Result has 123 places, 65 transitions, 140 flow [2021-04-28 18:26:33,176 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=123, PETRI_TRANSITIONS=65} [2021-04-28 18:26:33,177 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -4 predicate places. [2021-04-28 18:26:33,177 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:26:33,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 65 transitions, 140 flow [2021-04-28 18:26:33,178 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 65 transitions, 140 flow [2021-04-28 18:26:33,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 65 transitions, 140 flow [2021-04-28 18:26:33,188 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-04-28 18:26:33,188 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:26:33,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 0/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 321 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:26:33,190 INFO L146 LiptonReduction]: Number of co-enabled transitions 2002 [2021-04-28 18:26:33,300 INFO L158 LiptonReduction]: Checked pairs total: 2676 [2021-04-28 18:26:33,301 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:26:33,301 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124 [2021-04-28 18:26:33,303 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 65 transitions, 140 flow [2021-04-28 18:26:33,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:26:33,304 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:33,305 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:26:33,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:26:33,305 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:33,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:33,306 INFO L82 PathProgramCache]: Analyzing trace with hash -817577272, now seen corresponding path program 1 times [2021-04-28 18:26:33,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:33,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742147093] [2021-04-28 18:26:33,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:33,458 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 18:26:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:26:33,468 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 18:26:33,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742147093] [2021-04-28 18:26:33,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:33,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:26:33,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884042179] [2021-04-28 18:26:33,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:26:33,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:33,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:26:33,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:26:33,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 323 [2021-04-28 18:26:33,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 65 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 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 18:26:33,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:33,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 323 [2021-04-28 18:26:33,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:34,143 INFO L129 PetriNetUnfolder]: 1121/3572 cut-off events. [2021-04-28 18:26:34,143 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:26:34,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5436 conditions, 3572 events. 1121/3572 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 595. Compared 41508 event pairs, 365 based on Foata normal form. 0/2133 useless extension candidates. Maximal degree in co-relation 5427. Up to 1157 conditions per place. [2021-04-28 18:26:34,161 INFO L132 encePairwiseOnDemand]: 303/323 looper letters, 6 selfloop transitions, 6 changer transitions 44/91 dead transitions. [2021-04-28 18:26:34,161 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 91 transitions, 304 flow [2021-04-28 18:26:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:26:34,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:26:34,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2021-04-28 18:26:34,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7347781217750258 [2021-04-28 18:26:34,167 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 712 transitions. [2021-04-28 18:26:34,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 712 transitions. [2021-04-28 18:26:34,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:34,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 712 transitions. [2021-04-28 18:26:34,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 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 18:26:34,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 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 18:26:34,176 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 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 18:26:34,176 INFO L185 Difference]: Start difference. First operand has 74 places, 65 transitions, 140 flow. Second operand 3 states and 712 transitions. [2021-04-28 18:26:34,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 91 transitions, 304 flow [2021-04-28 18:26:34,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 91 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:26:34,181 INFO L241 Difference]: Finished difference. Result has 76 places, 47 transitions, 136 flow [2021-04-28 18:26:34,182 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=76, PETRI_TRANSITIONS=47} [2021-04-28 18:26:34,182 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -51 predicate places. [2021-04-28 18:26:34,182 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:26:34,183 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 47 transitions, 136 flow [2021-04-28 18:26:34,183 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 47 transitions, 136 flow [2021-04-28 18:26:34,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 47 transitions, 136 flow [2021-04-28 18:26:34,231 INFO L129 PetriNetUnfolder]: 48/245 cut-off events. [2021-04-28 18:26:34,232 INFO L130 PetriNetUnfolder]: For 19/22 co-relation queries the response was YES. [2021-04-28 18:26:34,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 245 events. 48/245 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1586 event pairs, 24 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 384. Up to 81 conditions per place. [2021-04-28 18:26:34,239 INFO L146 LiptonReduction]: Number of co-enabled transitions 1174 [2021-04-28 18:26:34,517 INFO L158 LiptonReduction]: Checked pairs total: 795 [2021-04-28 18:26:34,517 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:26:34,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 335 [2021-04-28 18:26:34,519 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 136 flow [2021-04-28 18:26:34,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 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 18:26:34,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:34,521 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:26:34,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:26:34,521 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:34,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:34,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1225039289, now seen corresponding path program 1 times [2021-04-28 18:26:34,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:34,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612052661] [2021-04-28 18:26:34,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:34,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:34,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:34,586 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 18:26:34,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612052661] [2021-04-28 18:26:34,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:34,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:26:34,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35795159] [2021-04-28 18:26:34,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:26:34,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:34,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:26:34,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:26:34,590 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 323 [2021-04-28 18:26:34,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:26:34,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:34,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 323 [2021-04-28 18:26:34,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:34,634 INFO L129 PetriNetUnfolder]: 39/230 cut-off events. [2021-04-28 18:26:34,635 INFO L130 PetriNetUnfolder]: For 43/46 co-relation queries the response was YES. [2021-04-28 18:26:34,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 230 events. 39/230 cut-off events. For 43/46 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1403 event pairs, 14 based on Foata normal form. 1/151 useless extension candidates. Maximal degree in co-relation 369. Up to 68 conditions per place. [2021-04-28 18:26:34,637 INFO L132 encePairwiseOnDemand]: 320/323 looper letters, 1 selfloop transitions, 3 changer transitions 0/47 dead transitions. [2021-04-28 18:26:34,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 47 transitions, 144 flow [2021-04-28 18:26:34,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:26:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:26:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2021-04-28 18:26:34,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7285861713106295 [2021-04-28 18:26:34,641 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 706 transitions. [2021-04-28 18:26:34,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 706 transitions. [2021-04-28 18:26:34,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:34,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 706 transitions. [2021-04-28 18:26:34,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 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 18:26:34,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 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 18:26:34,648 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 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 18:26:34,648 INFO L185 Difference]: Start difference. First operand has 53 places, 47 transitions, 136 flow. Second operand 3 states and 706 transitions. [2021-04-28 18:26:34,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 47 transitions, 144 flow [2021-04-28 18:26:34,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 47 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:26:34,652 INFO L241 Difference]: Finished difference. Result has 54 places, 47 transitions, 135 flow [2021-04-28 18:26:34,652 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=135, PETRI_PLACES=54, PETRI_TRANSITIONS=47} [2021-04-28 18:26:34,652 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -73 predicate places. [2021-04-28 18:26:34,653 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:26:34,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 47 transitions, 135 flow [2021-04-28 18:26:34,653 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 47 transitions, 135 flow [2021-04-28 18:26:34,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 47 transitions, 135 flow [2021-04-28 18:26:34,688 INFO L129 PetriNetUnfolder]: 39/238 cut-off events. [2021-04-28 18:26:34,688 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-28 18:26:34,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 238 events. 39/238 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1573 event pairs, 14 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 350. Up to 68 conditions per place. [2021-04-28 18:26:34,694 INFO L146 LiptonReduction]: Number of co-enabled transitions 1170 [2021-04-28 18:26:34,703 INFO L158 LiptonReduction]: Checked pairs total: 793 [2021-04-28 18:26:34,703 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:26:34,703 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-04-28 18:26:34,705 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 47 transitions, 135 flow [2021-04-28 18:26:34,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:26:34,706 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:34,706 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:26:34,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:26:34,706 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:34,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:34,707 INFO L82 PathProgramCache]: Analyzing trace with hash 260501383, now seen corresponding path program 1 times [2021-04-28 18:26:34,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:34,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532330881] [2021-04-28 18:26:34,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:34,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:34,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:34,796 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 18:26:34,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:26:34,806 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 18:26:34,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532330881] [2021-04-28 18:26:34,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:34,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:26:34,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674416000] [2021-04-28 18:26:34,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:26:34,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:34,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:26:34,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:26:34,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 323 [2021-04-28 18:26:34,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 47 transitions, 135 flow. Second operand has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 0 states have call successors, (0), 0 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 18:26:34,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:34,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 323 [2021-04-28 18:26:34,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:34,878 INFO L129 PetriNetUnfolder]: 33/208 cut-off events. [2021-04-28 18:26:34,879 INFO L130 PetriNetUnfolder]: For 37/69 co-relation queries the response was YES. [2021-04-28 18:26:34,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 208 events. 33/208 cut-off events. For 37/69 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1231 event pairs, 13 based on Foata normal form. 5/141 useless extension candidates. Maximal degree in co-relation 380. Up to 60 conditions per place. [2021-04-28 18:26:34,881 INFO L132 encePairwiseOnDemand]: 316/323 looper letters, 7 selfloop transitions, 10 changer transitions 0/52 dead transitions. [2021-04-28 18:26:34,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 52 transitions, 192 flow [2021-04-28 18:26:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:26:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:26:34,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 892 transitions. [2021-04-28 18:26:34,886 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6904024767801857 [2021-04-28 18:26:34,886 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 892 transitions. [2021-04-28 18:26:34,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 892 transitions. [2021-04-28 18:26:34,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:34,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 892 transitions. [2021-04-28 18:26:34,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 223.0) internal successors, (892), 4 states have internal predecessors, (892), 0 states have call successors, (0), 0 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 18:26:34,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 0 states have call successors, (0), 0 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 18:26:34,895 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 0 states have call successors, (0), 0 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 18:26:34,896 INFO L185 Difference]: Start difference. First operand has 54 places, 47 transitions, 135 flow. Second operand 4 states and 892 transitions. [2021-04-28 18:26:34,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 52 transitions, 192 flow [2021-04-28 18:26:34,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 52 transitions, 184 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:26:34,899 INFO L241 Difference]: Finished difference. Result has 57 places, 51 transitions, 184 flow [2021-04-28 18:26:34,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2021-04-28 18:26:34,900 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -70 predicate places. [2021-04-28 18:26:34,900 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:26:34,900 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 51 transitions, 184 flow [2021-04-28 18:26:34,900 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 51 transitions, 184 flow [2021-04-28 18:26:34,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 51 transitions, 184 flow [2021-04-28 18:26:34,933 INFO L129 PetriNetUnfolder]: 33/204 cut-off events. [2021-04-28 18:26:34,933 INFO L130 PetriNetUnfolder]: For 68/79 co-relation queries the response was YES. [2021-04-28 18:26:34,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 204 events. 33/204 cut-off events. For 68/79 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1254 event pairs, 13 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 365. Up to 60 conditions per place. [2021-04-28 18:26:34,939 INFO L146 LiptonReduction]: Number of co-enabled transitions 1288 [2021-04-28 18:26:34,948 INFO L158 LiptonReduction]: Checked pairs total: 882 [2021-04-28 18:26:34,949 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:26:34,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-04-28 18:26:34,951 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 184 flow [2021-04-28 18:26:34,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 0 states have call successors, (0), 0 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 18:26:34,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:34,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:26:34,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:26:34,952 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:34,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:34,953 INFO L82 PathProgramCache]: Analyzing trace with hash 312241348, now seen corresponding path program 1 times [2021-04-28 18:26:34,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:34,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174510066] [2021-04-28 18:26:34,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:35,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:35,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:35,016 INFO L142 QuantifierPusher]: treesize reduction 19, result has 32.1 percent of original size [2021-04-28 18:26:35,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 18:26:35,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:35,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:26:35,025 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 18:26:35,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174510066] [2021-04-28 18:26:35,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:35,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:26:35,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601321036] [2021-04-28 18:26:35,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:26:35,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:35,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:26:35,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:26:35,029 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 323 [2021-04-28 18:26:35,031 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 184 flow. Second operand has 4 states, 4 states have (on average 233.75) internal successors, (935), 4 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:26:35,031 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:35,031 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 323 [2021-04-28 18:26:35,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:36,271 INFO L129 PetriNetUnfolder]: 5844/10023 cut-off events. [2021-04-28 18:26:36,271 INFO L130 PetriNetUnfolder]: For 425/460 co-relation queries the response was YES. [2021-04-28 18:26:36,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20331 conditions, 10023 events. 5844/10023 cut-off events. For 425/460 co-relation queries the response was YES. Maximal size of possible extension queue 2091. Compared 93335 event pairs, 2506 based on Foata normal form. 232/3034 useless extension candidates. Maximal degree in co-relation 20317. Up to 6316 conditions per place. [2021-04-28 18:26:36,360 INFO L132 encePairwiseOnDemand]: 306/323 looper letters, 28 selfloop transitions, 27 changer transitions 0/86 dead transitions. [2021-04-28 18:26:36,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 86 transitions, 364 flow [2021-04-28 18:26:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:26:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:26:36,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1219 transitions. [2021-04-28 18:26:36,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7547987616099071 [2021-04-28 18:26:36,366 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1219 transitions. [2021-04-28 18:26:36,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1219 transitions. [2021-04-28 18:26:36,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:36,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1219 transitions. [2021-04-28 18:26:36,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 243.8) internal successors, (1219), 5 states have internal predecessors, (1219), 0 states have call successors, (0), 0 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 18:26:36,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 0 states have call successors, (0), 0 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 18:26:36,379 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 0 states have call successors, (0), 0 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 18:26:36,379 INFO L185 Difference]: Start difference. First operand has 57 places, 51 transitions, 184 flow. Second operand 5 states and 1219 transitions. [2021-04-28 18:26:36,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 86 transitions, 364 flow [2021-04-28 18:26:36,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 86 transitions, 364 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:26:36,388 INFO L241 Difference]: Finished difference. Result has 64 places, 76 transitions, 385 flow [2021-04-28 18:26:36,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=385, PETRI_PLACES=64, PETRI_TRANSITIONS=76} [2021-04-28 18:26:36,388 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -63 predicate places. [2021-04-28 18:26:36,389 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:26:36,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 76 transitions, 385 flow [2021-04-28 18:26:36,389 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 76 transitions, 385 flow [2021-04-28 18:26:36,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 76 transitions, 385 flow [2021-04-28 18:26:37,450 INFO L129 PetriNetUnfolder]: 5077/8958 cut-off events. [2021-04-28 18:26:37,451 INFO L130 PetriNetUnfolder]: For 2325/6255 co-relation queries the response was YES. [2021-04-28 18:26:37,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25183 conditions, 8958 events. 5077/8958 cut-off events. For 2325/6255 co-relation queries the response was YES. Maximal size of possible extension queue 2004. Compared 86495 event pairs, 2339 based on Foata normal form. 9/2617 useless extension candidates. Maximal degree in co-relation 25166. Up to 8015 conditions per place. [2021-04-28 18:26:37,617 INFO L146 LiptonReduction]: Number of co-enabled transitions 1848 [2021-04-28 18:26:38,508 INFO L158 LiptonReduction]: Checked pairs total: 1716 [2021-04-28 18:26:38,508 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:26:38,508 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2119 [2021-04-28 18:26:38,510 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 76 transitions, 385 flow [2021-04-28 18:26:38,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 233.75) internal successors, (935), 4 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:26:38,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:38,512 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:26:38,512 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:26:38,512 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:38,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:38,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1344149742, now seen corresponding path program 1 times [2021-04-28 18:26:38,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:38,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809477260] [2021-04-28 18:26:38,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:38,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:38,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:26:38,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:38,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:38,571 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 18:26:38,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:26:38,583 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 18:26:38,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809477260] [2021-04-28 18:26:38,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:38,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:26:38,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101209795] [2021-04-28 18:26:38,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:26:38,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:38,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:26:38,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:26:38,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 323 [2021-04-28 18:26:38,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 76 transitions, 385 flow. Second operand has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 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 18:26:38,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:38,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 323 [2021-04-28 18:26:38,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:40,075 INFO L129 PetriNetUnfolder]: 6894/11801 cut-off events. [2021-04-28 18:26:40,075 INFO L130 PetriNetUnfolder]: For 3832/11496 co-relation queries the response was YES. [2021-04-28 18:26:40,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33394 conditions, 11801 events. 6894/11801 cut-off events. For 3832/11496 co-relation queries the response was YES. Maximal size of possible extension queue 2529. Compared 111827 event pairs, 3214 based on Foata normal form. 127/3520 useless extension candidates. Maximal degree in co-relation 33375. Up to 10697 conditions per place. [2021-04-28 18:26:40,176 INFO L132 encePairwiseOnDemand]: 318/323 looper letters, 11 selfloop transitions, 8 changer transitions 0/79 dead transitions. [2021-04-28 18:26:40,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 79 transitions, 436 flow [2021-04-28 18:26:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:26:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:26:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 891 transitions. [2021-04-28 18:26:40,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6896284829721362 [2021-04-28 18:26:40,180 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 891 transitions. [2021-04-28 18:26:40,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 891 transitions. [2021-04-28 18:26:40,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:40,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 891 transitions. [2021-04-28 18:26:40,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 222.75) internal successors, (891), 4 states have internal predecessors, (891), 0 states have call successors, (0), 0 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 18:26:40,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 0 states have call successors, (0), 0 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 18:26:40,188 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 0 states have call successors, (0), 0 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 18:26:40,188 INFO L185 Difference]: Start difference. First operand has 64 places, 76 transitions, 385 flow. Second operand 4 states and 891 transitions. [2021-04-28 18:26:40,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 79 transitions, 436 flow [2021-04-28 18:26:40,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 79 transitions, 436 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:26:40,215 INFO L241 Difference]: Finished difference. Result has 68 places, 76 transitions, 408 flow [2021-04-28 18:26:40,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=408, PETRI_PLACES=68, PETRI_TRANSITIONS=76} [2021-04-28 18:26:40,215 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -59 predicate places. [2021-04-28 18:26:40,215 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:26:40,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 76 transitions, 408 flow [2021-04-28 18:26:40,216 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 76 transitions, 408 flow [2021-04-28 18:26:40,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 76 transitions, 408 flow [2021-04-28 18:26:41,409 INFO L129 PetriNetUnfolder]: 6995/11987 cut-off events. [2021-04-28 18:26:41,409 INFO L130 PetriNetUnfolder]: For 3288/12917 co-relation queries the response was YES. [2021-04-28 18:26:41,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33869 conditions, 11987 events. 6995/11987 cut-off events. For 3288/12917 co-relation queries the response was YES. Maximal size of possible extension queue 2558. Compared 117551 event pairs, 3302 based on Foata normal form. 6/3313 useless extension candidates. Maximal degree in co-relation 33849. Up to 10937 conditions per place. [2021-04-28 18:26:41,726 INFO L146 LiptonReduction]: Number of co-enabled transitions 1846 [2021-04-28 18:26:41,966 INFO L158 LiptonReduction]: Checked pairs total: 1716 [2021-04-28 18:26:41,967 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:26:41,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1752 [2021-04-28 18:26:41,971 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 76 transitions, 408 flow [2021-04-28 18:26:41,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 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 18:26:41,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:41,973 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:26:41,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:26:41,973 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:41,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:41,974 INFO L82 PathProgramCache]: Analyzing trace with hash 441819228, now seen corresponding path program 1 times [2021-04-28 18:26:41,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:41,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641134020] [2021-04-28 18:26:41,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:42,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:42,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:26:42,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:42,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:42,060 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 18:26:42,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:26:42,073 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 18:26:42,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641134020] [2021-04-28 18:26:42,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:42,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:26:42,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798865430] [2021-04-28 18:26:42,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:26:42,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:42,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:26:42,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:26:42,077 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 323 [2021-04-28 18:26:42,079 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 76 transitions, 408 flow. Second operand has 4 states, 4 states have (on average 217.5) internal successors, (870), 4 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 18:26:42,079 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:42,079 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 323 [2021-04-28 18:26:42,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:44,102 INFO L129 PetriNetUnfolder]: 10679/17977 cut-off events. [2021-04-28 18:26:44,103 INFO L130 PetriNetUnfolder]: For 5896/20430 co-relation queries the response was YES. [2021-04-28 18:26:44,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51029 conditions, 17977 events. 10679/17977 cut-off events. For 5896/20430 co-relation queries the response was YES. Maximal size of possible extension queue 3981. Compared 178301 event pairs, 5079 based on Foata normal form. 104/5135 useless extension candidates. Maximal degree in co-relation 51007. Up to 16481 conditions per place. [2021-04-28 18:26:44,239 INFO L132 encePairwiseOnDemand]: 315/323 looper letters, 10 selfloop transitions, 15 changer transitions 2/86 dead transitions. [2021-04-28 18:26:44,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 86 transitions, 534 flow [2021-04-28 18:26:44,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:26:44,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:26:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1100 transitions. [2021-04-28 18:26:44,244 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6811145510835913 [2021-04-28 18:26:44,245 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1100 transitions. [2021-04-28 18:26:44,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1100 transitions. [2021-04-28 18:26:44,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:44,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1100 transitions. [2021-04-28 18:26:44,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 18:26:44,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 0 states have call successors, (0), 0 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 18:26:44,255 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 0 states have call successors, (0), 0 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 18:26:44,255 INFO L185 Difference]: Start difference. First operand has 68 places, 76 transitions, 408 flow. Second operand 5 states and 1100 transitions. [2021-04-28 18:26:44,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 86 transitions, 534 flow [2021-04-28 18:26:44,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 86 transitions, 500 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-04-28 18:26:44,288 INFO L241 Difference]: Finished difference. Result has 74 places, 83 transitions, 499 flow [2021-04-28 18:26:44,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=499, PETRI_PLACES=74, PETRI_TRANSITIONS=83} [2021-04-28 18:26:44,288 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -53 predicate places. [2021-04-28 18:26:44,288 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:26:44,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 83 transitions, 499 flow [2021-04-28 18:26:44,289 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 83 transitions, 499 flow [2021-04-28 18:26:44,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 83 transitions, 499 flow [2021-04-28 18:26:46,140 INFO L129 PetriNetUnfolder]: 10599/17927 cut-off events. [2021-04-28 18:26:46,140 INFO L130 PetriNetUnfolder]: For 5253/13651 co-relation queries the response was YES. [2021-04-28 18:26:46,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50900 conditions, 17927 events. 10599/17927 cut-off events. For 5253/13651 co-relation queries the response was YES. Maximal size of possible extension queue 3539. Compared 180565 event pairs, 5084 based on Foata normal form. 11/5139 useless extension candidates. Maximal degree in co-relation 50876. Up to 16511 conditions per place. [2021-04-28 18:26:46,428 INFO L146 LiptonReduction]: Number of co-enabled transitions 2232 [2021-04-28 18:26:46,713 INFO L158 LiptonReduction]: Checked pairs total: 1730 [2021-04-28 18:26:46,714 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:26:46,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2426 [2021-04-28 18:26:46,716 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 83 transitions, 499 flow [2021-04-28 18:26:46,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 217.5) internal successors, (870), 4 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 18:26:46,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:46,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:26:46,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:26:46,717 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:46,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:46,718 INFO L82 PathProgramCache]: Analyzing trace with hash 158669242, now seen corresponding path program 2 times [2021-04-28 18:26:46,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:46,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877775779] [2021-04-28 18:26:46,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:46,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:46,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:46,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:46,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:46,857 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:26:46,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:26:46,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:46,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:26:46,867 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 18:26:46,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877775779] [2021-04-28 18:26:46,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:46,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:26:46,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013289826] [2021-04-28 18:26:46,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:26:46,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:46,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:26:46,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:26:46,872 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 323 [2021-04-28 18:26:46,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 83 transitions, 499 flow. Second operand has 5 states, 5 states have (on average 233.8) internal successors, (1169), 5 states have internal predecessors, (1169), 0 states have call successors, (0), 0 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 18:26:46,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:46,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 323 [2021-04-28 18:26:46,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:49,087 INFO L129 PetriNetUnfolder]: 11458/21063 cut-off events. [2021-04-28 18:26:49,088 INFO L130 PetriNetUnfolder]: For 9248/64124 co-relation queries the response was YES. [2021-04-28 18:26:49,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80000 conditions, 21063 events. 11458/21063 cut-off events. For 9248/64124 co-relation queries the response was YES. Maximal size of possible extension queue 5031. Compared 229426 event pairs, 1116 based on Foata normal form. 612/7137 useless extension candidates. Maximal degree in co-relation 79974. Up to 19013 conditions per place. [2021-04-28 18:26:49,217 INFO L132 encePairwiseOnDemand]: 306/323 looper letters, 20 selfloop transitions, 52 changer transitions 9/119 dead transitions. [2021-04-28 18:26:49,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 119 transitions, 856 flow [2021-04-28 18:26:49,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:26:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:26:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1709 transitions. [2021-04-28 18:26:49,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7558602388323751 [2021-04-28 18:26:49,227 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1709 transitions. [2021-04-28 18:26:49,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1709 transitions. [2021-04-28 18:26:49,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:49,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1709 transitions. [2021-04-28 18:26:49,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 244.14285714285714) internal successors, (1709), 7 states have internal predecessors, (1709), 0 states have call successors, (0), 0 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 18:26:49,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 323.0) internal successors, (2584), 8 states have internal predecessors, (2584), 0 states have call successors, (0), 0 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 18:26:49,240 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 323.0) internal successors, (2584), 8 states have internal predecessors, (2584), 0 states have call successors, (0), 0 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 18:26:49,240 INFO L185 Difference]: Start difference. First operand has 74 places, 83 transitions, 499 flow. Second operand 7 states and 1709 transitions. [2021-04-28 18:26:49,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 119 transitions, 856 flow [2021-04-28 18:26:49,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 119 transitions, 842 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-04-28 18:26:49,280 INFO L241 Difference]: Finished difference. Result has 81 places, 108 transitions, 822 flow [2021-04-28 18:26:49,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=822, PETRI_PLACES=81, PETRI_TRANSITIONS=108} [2021-04-28 18:26:49,281 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -46 predicate places. [2021-04-28 18:26:49,281 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:26:49,281 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 108 transitions, 822 flow [2021-04-28 18:26:49,282 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 108 transitions, 822 flow [2021-04-28 18:26:49,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 108 transitions, 822 flow [2021-04-28 18:26:50,570 INFO L129 PetriNetUnfolder]: 6865/14385 cut-off events. [2021-04-28 18:26:50,571 INFO L130 PetriNetUnfolder]: For 24495/60635 co-relation queries the response was YES. [2021-04-28 18:26:50,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61057 conditions, 14385 events. 6865/14385 cut-off events. For 24495/60635 co-relation queries the response was YES. Maximal size of possible extension queue 3551. Compared 170757 event pairs, 1081 based on Foata normal form. 1/4229 useless extension candidates. Maximal degree in co-relation 61030. Up to 12800 conditions per place. [2021-04-28 18:26:50,862 INFO L146 LiptonReduction]: Number of co-enabled transitions 2750 [2021-04-28 18:26:50,949 INFO L158 LiptonReduction]: Checked pairs total: 3437 [2021-04-28 18:26:50,949 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:26:50,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1668 [2021-04-28 18:26:50,951 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 108 transitions, 822 flow [2021-04-28 18:26:50,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 233.8) internal successors, (1169), 5 states have internal predecessors, (1169), 0 states have call successors, (0), 0 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 18:26:50,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:50,952 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 18:26:50,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:26:50,952 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:50,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:50,953 INFO L82 PathProgramCache]: Analyzing trace with hash -352341409, now seen corresponding path program 1 times [2021-04-28 18:26:50,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:50,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248621377] [2021-04-28 18:26:50,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:51,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:51,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:51,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:51,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:51,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:51,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:26:51,072 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:26:51,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:26:51,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:51,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:26:51,091 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 18:26:51,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248621377] [2021-04-28 18:26:51,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:51,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:26:51,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095349647] [2021-04-28 18:26:51,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:26:51,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:51,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:26:51,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:26:51,096 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 323 [2021-04-28 18:26:51,098 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 108 transitions, 822 flow. Second operand has 6 states, 6 states have (on average 233.83333333333334) internal successors, (1403), 6 states have internal predecessors, (1403), 0 states have call successors, (0), 0 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 18:26:51,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:51,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 323 [2021-04-28 18:26:51,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:53,021 INFO L129 PetriNetUnfolder]: 6157/14367 cut-off events. [2021-04-28 18:26:53,021 INFO L130 PetriNetUnfolder]: For 25560/206445 co-relation queries the response was YES. [2021-04-28 18:26:53,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74369 conditions, 14367 events. 6157/14367 cut-off events. For 25560/206445 co-relation queries the response was YES. Maximal size of possible extension queue 3900. Compared 181476 event pairs, 0 based on Foata normal form. 574/4732 useless extension candidates. Maximal degree in co-relation 74340. Up to 12641 conditions per place. [2021-04-28 18:26:53,101 INFO L132 encePairwiseOnDemand]: 306/323 looper letters, 5 selfloop transitions, 67 changer transitions 22/127 dead transitions. [2021-04-28 18:26:53,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 127 transitions, 1122 flow [2021-04-28 18:26:53,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:26:53,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:26:53,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2181 transitions. [2021-04-28 18:26:53,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7502579979360166 [2021-04-28 18:26:53,110 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2181 transitions. [2021-04-28 18:26:53,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2181 transitions. [2021-04-28 18:26:53,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:53,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2181 transitions. [2021-04-28 18:26:53,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 242.33333333333334) internal successors, (2181), 9 states have internal predecessors, (2181), 0 states have call successors, (0), 0 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 18:26:53,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 323.0) internal successors, (3230), 10 states have internal predecessors, (3230), 0 states have call successors, (0), 0 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 18:26:53,126 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 323.0) internal successors, (3230), 10 states have internal predecessors, (3230), 0 states have call successors, (0), 0 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 18:26:53,127 INFO L185 Difference]: Start difference. First operand has 81 places, 108 transitions, 822 flow. Second operand 9 states and 2181 transitions. [2021-04-28 18:26:53,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 127 transitions, 1122 flow [2021-04-28 18:26:55,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 127 transitions, 985 flow, removed 43 selfloop flow, removed 4 redundant places. [2021-04-28 18:26:55,848 INFO L241 Difference]: Finished difference. Result has 88 places, 103 transitions, 817 flow [2021-04-28 18:26:55,848 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=686, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=817, PETRI_PLACES=88, PETRI_TRANSITIONS=103} [2021-04-28 18:26:55,849 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -39 predicate places. [2021-04-28 18:26:55,849 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:26:55,849 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 103 transitions, 817 flow [2021-04-28 18:26:55,849 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 103 transitions, 817 flow [2021-04-28 18:26:55,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 103 transitions, 817 flow [2021-04-28 18:26:56,285 INFO L129 PetriNetUnfolder]: 1779/4775 cut-off events. [2021-04-28 18:26:56,285 INFO L130 PetriNetUnfolder]: For 7055/13447 co-relation queries the response was YES. [2021-04-28 18:26:56,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20626 conditions, 4775 events. 1779/4775 cut-off events. For 7055/13447 co-relation queries the response was YES. Maximal size of possible extension queue 1695. Compared 59236 event pairs, 2 based on Foata normal form. 1/1360 useless extension candidates. Maximal degree in co-relation 20597. Up to 3564 conditions per place. [2021-04-28 18:26:56,354 INFO L146 LiptonReduction]: Number of co-enabled transitions 2174 [2021-04-28 18:26:56,878 INFO L158 LiptonReduction]: Checked pairs total: 3016 [2021-04-28 18:26:56,879 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:26:56,879 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1030 [2021-04-28 18:26:56,880 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 103 transitions, 817 flow [2021-04-28 18:26:56,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 233.83333333333334) internal successors, (1403), 6 states have internal predecessors, (1403), 0 states have call successors, (0), 0 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 18:26:56,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:26:56,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:26:56,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:26:56,882 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:26:56,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:26:56,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2063768512, now seen corresponding path program 1 times [2021-04-28 18:26:56,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:26:56,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695558751] [2021-04-28 18:26:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:26:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:26:57,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:57,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:26:57,042 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-04-28 18:26:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-28 18:26:57,092 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.6 percent of original size [2021-04-28 18:26:57,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-28 18:26:57,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:57,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 18:26:57,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:26:57,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:26:57,156 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 18:26:57,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695558751] [2021-04-28 18:26:57,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:26:57,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:26:57,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686135115] [2021-04-28 18:26:57,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:26:57,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:26:57,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:26:57,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:26:57,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 323 [2021-04-28 18:26:57,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 103 transitions, 817 flow. Second operand has 7 states, 7 states have (on average 146.71428571428572) internal successors, (1027), 7 states have internal predecessors, (1027), 0 states have call successors, (0), 0 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 18:26:57,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:26:57,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 323 [2021-04-28 18:26:57,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:26:58,427 INFO L129 PetriNetUnfolder]: 3629/10271 cut-off events. [2021-04-28 18:26:58,427 INFO L130 PetriNetUnfolder]: For 19378/55713 co-relation queries the response was YES. [2021-04-28 18:26:58,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44413 conditions, 10271 events. 3629/10271 cut-off events. For 19378/55713 co-relation queries the response was YES. Maximal size of possible extension queue 3282. Compared 139296 event pairs, 18 based on Foata normal form. 123/2701 useless extension candidates. Maximal degree in co-relation 44382. Up to 7128 conditions per place. [2021-04-28 18:26:58,485 INFO L132 encePairwiseOnDemand]: 313/323 looper letters, 13 selfloop transitions, 11 changer transitions 29/131 dead transitions. [2021-04-28 18:26:58,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 131 transitions, 1091 flow [2021-04-28 18:26:58,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:26:58,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:26:58,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1344 transitions. [2021-04-28 18:26:58,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46233230134158926 [2021-04-28 18:26:58,492 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1344 transitions. [2021-04-28 18:26:58,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1344 transitions. [2021-04-28 18:26:58,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:26:58,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1344 transitions. [2021-04-28 18:26:58,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 149.33333333333334) internal successors, (1344), 9 states have internal predecessors, (1344), 0 states have call successors, (0), 0 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 18:26:58,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 323.0) internal successors, (3230), 10 states have internal predecessors, (3230), 0 states have call successors, (0), 0 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 18:26:58,504 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 323.0) internal successors, (3230), 10 states have internal predecessors, (3230), 0 states have call successors, (0), 0 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 18:26:58,504 INFO L185 Difference]: Start difference. First operand has 86 places, 103 transitions, 817 flow. Second operand 9 states and 1344 transitions. [2021-04-28 18:26:58,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 131 transitions, 1091 flow [2021-04-28 18:27:07,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 131 transitions, 863 flow, removed 45 selfloop flow, removed 11 redundant places. [2021-04-28 18:27:07,153 INFO L241 Difference]: Finished difference. Result has 86 places, 100 transitions, 629 flow [2021-04-28 18:27:07,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=629, PETRI_PLACES=86, PETRI_TRANSITIONS=100} [2021-04-28 18:27:07,153 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -41 predicate places. [2021-04-28 18:27:07,153 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:27:07,153 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 100 transitions, 629 flow [2021-04-28 18:27:07,154 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 100 transitions, 629 flow [2021-04-28 18:27:07,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 100 transitions, 629 flow [2021-04-28 18:27:07,443 INFO L129 PetriNetUnfolder]: 1508/4138 cut-off events. [2021-04-28 18:27:07,443 INFO L130 PetriNetUnfolder]: For 2478/2501 co-relation queries the response was YES. [2021-04-28 18:27:07,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15399 conditions, 4138 events. 1508/4138 cut-off events. For 2478/2501 co-relation queries the response was YES. Maximal size of possible extension queue 1344. Compared 48703 event pairs, 1 based on Foata normal form. 5/1284 useless extension candidates. Maximal degree in co-relation 15373. Up to 2970 conditions per place. [2021-04-28 18:27:07,488 INFO L146 LiptonReduction]: Number of co-enabled transitions 1602 [2021-04-28 18:27:07,885 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:27:08,007 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:27:08,625 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 18:27:08,881 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:27:09,194 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:27:09,323 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:27:09,948 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 18:27:10,202 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:27:10,539 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:27:10,652 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:27:11,305 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 92 [2021-04-28 18:27:11,560 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:27:11,906 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:27:12,098 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:27:12,714 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 93 [2021-04-28 18:27:12,976 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:27:13,330 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:27:13,468 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:27:14,056 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-04-28 18:27:14,305 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:27:14,649 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:27:14,788 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:27:15,419 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-04-28 18:27:15,683 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:27:15,994 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:27:16,126 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:27:16,730 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 18:27:16,986 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:27:17,347 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:27:17,486 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:27:18,143 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 18:27:18,395 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:27:18,710 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:27:18,843 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:27:19,527 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 94 [2021-04-28 18:27:19,813 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 18:27:20,159 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:27:20,301 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:27:20,930 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-04-28 18:27:21,182 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:27:21,530 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:27:21,682 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:27:22,455 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 92 [2021-04-28 18:27:22,731 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:27:23,107 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:27:23,258 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:27:24,062 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 18:27:24,414 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:27:24,854 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:27:25,014 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:27:25,790 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-04-28 18:27:26,093 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:27:26,541 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:27:26,705 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:27:27,509 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-04-28 18:27:27,841 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:27:28,283 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:27:28,453 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:27:29,324 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 93 [2021-04-28 18:27:29,684 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:27:29,989 INFO L158 LiptonReduction]: Checked pairs total: 4335 [2021-04-28 18:27:29,989 INFO L160 LiptonReduction]: Total number of compositions: 15 [2021-04-28 18:27:29,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22836 [2021-04-28 18:27:29,990 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 100 transitions, 674 flow [2021-04-28 18:27:29,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 146.71428571428572) internal successors, (1027), 7 states have internal predecessors, (1027), 0 states have call successors, (0), 0 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 18:27:29,991 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:27:29,992 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:27:29,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 18:27:29,992 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:27:29,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:27:29,992 INFO L82 PathProgramCache]: Analyzing trace with hash -162972704, now seen corresponding path program 1 times [2021-04-28 18:27:29,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:27:29,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187041522] [2021-04-28 18:27:29,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:27:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:27:30,104 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:27:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:27:30,194 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:27:30,253 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 18:27:30,254 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 18:27:30,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 18:27:30,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 06:27:30 BasicIcfg [2021-04-28 18:27:30,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 18:27:30,363 INFO L168 Benchmark]: Toolchain (without parser) took 98074.20 ms. Allocated memory was 306.2 MB in the beginning and 8.4 GB in the end (delta: 8.1 GB). Free memory was 281.3 MB in the beginning and 7.3 GB in the end (delta: -7.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. [2021-04-28 18:27:30,363 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 306.2 MB. Free memory is still 275.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 18:27:30,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.54 ms. Allocated memory is still 306.2 MB. Free memory was 278.1 MB in the beginning and 282.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.0 GB. [2021-04-28 18:27:30,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.86 ms. Allocated memory is still 306.2 MB. Free memory was 282.7 MB in the beginning and 279.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:27:30,364 INFO L168 Benchmark]: Boogie Preprocessor took 66.78 ms. Allocated memory is still 306.2 MB. Free memory was 279.6 MB in the beginning and 277.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:27:30,365 INFO L168 Benchmark]: RCFGBuilder took 2358.59 ms. Allocated memory was 306.2 MB in the beginning and 398.5 MB in the end (delta: 92.3 MB). Free memory was 277.5 MB in the beginning and 312.6 MB in the end (delta: -35.1 MB). Peak memory consumption was 161.0 MB. Max. memory is 16.0 GB. [2021-04-28 18:27:30,365 INFO L168 Benchmark]: TraceAbstraction took 94747.04 ms. Allocated memory was 398.5 MB in the beginning and 8.4 GB in the end (delta: 8.0 GB). Free memory was 311.5 MB in the beginning and 7.3 GB in the end (delta: -7.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-04-28 18:27:30,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 306.2 MB. Free memory is still 275.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 745.54 ms. Allocated memory is still 306.2 MB. Free memory was 278.1 MB in the beginning and 282.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 93.86 ms. Allocated memory is still 306.2 MB. Free memory was 282.7 MB in the beginning and 279.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 66.78 ms. Allocated memory is still 306.2 MB. Free memory was 279.6 MB in the beginning and 277.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2358.59 ms. Allocated memory was 306.2 MB in the beginning and 398.5 MB in the end (delta: 92.3 MB). Free memory was 277.5 MB in the beginning and 312.6 MB in the end (delta: -35.1 MB). Peak memory consumption was 161.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 94747.04 ms. Allocated memory was 398.5 MB in the beginning and 8.4 GB in the end (delta: 8.0 GB). Free memory was 311.5 MB in the beginning and 7.3 GB in the end (delta: -7.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36717.4ms, 105 PlacesBefore, 127 PlacesAfterwards, 97 TransitionsBefore, 118 TransitionsAfterwards, 1778 CoEnabledTransitionPairs, 8 FixpointIterations, 133 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 223 TotalNumberOfCompositions, 16214 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4548, positive: 4267, positive conditional: 4267, positive unconditional: 0, negative: 281, negative conditional: 281, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2222, positive: 2150, positive conditional: 0, positive unconditional: 2150, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2222, positive: 2150, positive conditional: 0, positive unconditional: 2150, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2222, positive: 2132, positive conditional: 0, positive unconditional: 2132, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 90, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1372, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 1291, negative conditional: 0, negative unconditional: 1291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4548, positive: 2117, positive conditional: 2117, positive unconditional: 0, negative: 209, negative conditional: 209, negative unconditional: 0, unknown: 2222, unknown conditional: 2222, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2222, Positive cache size: 2150, Positive conditional cache size: 2150, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 123.2ms, 123 PlacesBefore, 74 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 2002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2676 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 403, positive: 323, positive conditional: 323, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 87, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 87, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 403, positive: 254, positive conditional: 254, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 87, unknown conditional: 87, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2309, Positive cache size: 2219, Positive conditional cache size: 2219, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 333.8ms, 76 PlacesBefore, 53 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 1174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 795 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 22, positive conditional: 13, positive unconditional: 9, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 22, positive conditional: 13, positive unconditional: 9, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 268, negative conditional: 5, negative unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 79, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2346, Positive cache size: 2241, Positive conditional cache size: 2241, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.7ms, 54 PlacesBefore, 54 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 1170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 793 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 89, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2361, Positive cache size: 2255, Positive conditional cache size: 2255, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.3ms, 57 PlacesBefore, 57 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 882 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 103, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 103, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2371, Positive cache size: 2264, Positive conditional cache size: 2264, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2118.8ms, 64 PlacesBefore, 64 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 1848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1716 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 255, positive: 222, positive conditional: 222, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 31, positive conditional: 20, positive unconditional: 11, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 31, positive conditional: 20, positive unconditional: 11, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 255, positive: 191, positive conditional: 191, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2403, Positive cache size: 2295, Positive conditional cache size: 2295, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1750.8ms, 68 PlacesBefore, 68 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 1846 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1716 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 216, positive: 183, positive conditional: 183, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 216, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2408, Positive cache size: 2300, Positive conditional cache size: 2300, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2424.9ms, 74 PlacesBefore, 74 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 2232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1730 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 257, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 14, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 14, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 257, positive: 208, positive conditional: 208, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2426, Positive cache size: 2318, Positive conditional cache size: 2318, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1667.6ms, 81 PlacesBefore, 81 PlacesAfterwards, 108 TransitionsBefore, 108 TransitionsAfterwards, 2750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3437 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 819, positive: 769, positive conditional: 769, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, positive: 53, positive conditional: 47, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54, positive: 53, positive conditional: 47, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 819, positive: 716, positive conditional: 716, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2480, Positive cache size: 2371, Positive conditional cache size: 2371, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1029.5ms, 88 PlacesBefore, 86 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 2174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3016 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 821, positive: 773, positive conditional: 773, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 64, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 64, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 821, positive: 709, positive conditional: 709, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 64, unknown conditional: 64, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2544, Positive cache size: 2435, Positive conditional cache size: 2435, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22835.4ms, 86 PlacesBefore, 81 PlacesAfterwards, 100 TransitionsBefore, 100 TransitionsAfterwards, 1602 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 15 TotalNumberOfCompositions, 4335 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1245, positive: 1185, positive conditional: 1185, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 65, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 65, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 251, positive: 175, positive conditional: 175, positive unconditional: 0, negative: 76, negative conditional: 76, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1245, positive: 1122, positive conditional: 1122, positive unconditional: 0, negative: 58, negative conditional: 58, negative unconditional: 0, unknown: 65, unknown conditional: 65, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2609, Positive cache size: 2498, Positive conditional cache size: 2498, Positive unconditional cache size: 0, Negative cache size: 111, Negative conditional cache size: 111, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool z$flush_delayed; [L725] 0 int z$mem_tmp; [L726] 0 _Bool z$r_buff0_thd0; [L727] 0 _Bool z$r_buff0_thd1; [L728] 0 _Bool z$r_buff0_thd2; [L729] 0 _Bool z$r_buff0_thd3; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$read_delayed; [L735] 0 int *z$read_delayed_var; [L736] 0 int z$w_buff0; [L737] 0 _Bool z$w_buff0_used; [L738] 0 int z$w_buff1; [L739] 0 _Bool z$w_buff1_used; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L838] 0 pthread_t t509; [L839] FCALL, FORK 0 pthread_create(&t509, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L745] 1 z$w_buff1 = z$w_buff0 [L746] 1 z$w_buff0 = 1 [L747] 1 z$w_buff1_used = z$w_buff0_used [L748] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L750] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L751] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L752] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L753] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L754] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t510; [L841] FCALL, FORK 0 pthread_create(&t510, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L842] 0 pthread_t t511; [L843] FCALL, FORK 0 pthread_create(&t511, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L794] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L797] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L781] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L782] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L783] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L783] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L784] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L784] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 z$flush_delayed = weak$$choice2 [L803] 3 z$mem_tmp = z [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L804] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L805] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L806] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L807] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L808] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L810] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EBX = z [L812] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L812] 3 z = z$flush_delayed ? z$mem_tmp : z [L813] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L816] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L816] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L817] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L818] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L819] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L819] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L820] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L760] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L761] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L762] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L763] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L763] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L764] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L764] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L823] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L850] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L851] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L852] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L853] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L853] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L856] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 94474.5ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 23479.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36833.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 106 SDtfs, 88 SDslu, 54 SDs, 0 SdLazy, 445 SolverSat, 160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 696.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 352.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=822occurred in iteration=8, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 75.1ms SsaConstructionTime, 428.4ms SatisfiabilityAnalysisTime, 821.3ms InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...