/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix037_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:26:57,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:26:57,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:26:57,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:26:57,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:26:57,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:26:57,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:26:57,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:26:57,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:26:57,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:26:57,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:26:57,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:26:57,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:26:57,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:26:57,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:26:57,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:26:57,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:26:57,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:26:57,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:26:57,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:26:57,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:26:57,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:26:57,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:26:57,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:26:57,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:26:57,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:26:57,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:26:57,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:26:57,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:26:57,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:26:57,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:26:57,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:26:57,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:26:57,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:26:57,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:26:57,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:26:57,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 20:26:57,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:26:57,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:26:57,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:26:57,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:26:57,802 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:26:57,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:26:57,802 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:26:57,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:26:57,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:26:57,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:26:57,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:26:57,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:26:57,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:26:57,805 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:26:57,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:26:57,805 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:26:57,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:26:57,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:26:57,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:26:57,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:26:57,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:26:57,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:26:57,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:26:57,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:26:57,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:26:57,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:26:57,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:26:57,808 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:26:57,808 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:26:57,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:26:57,809 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:26:58,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:26:58,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:26:58,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:26:58,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:26:58,235 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:26:58,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037_tso.oepc.i [2021-04-28 20:26:58,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97b0a40a/58953cb61c1e4205926341512dcfe6ef/FLAG6199e58be [2021-04-28 20:26:58,978 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:26:58,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_tso.oepc.i [2021-04-28 20:26:58,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97b0a40a/58953cb61c1e4205926341512dcfe6ef/FLAG6199e58be [2021-04-28 20:26:59,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97b0a40a/58953cb61c1e4205926341512dcfe6ef [2021-04-28 20:26:59,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:26:59,271 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:26:59,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:26:59,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:26:59,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:26:59,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:26:59" (1/1) ... [2021-04-28 20:26:59,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3834a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:26:59, skipping insertion in model container [2021-04-28 20:26:59,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:26:59" (1/1) ... [2021-04-28 20:26:59,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:26:59,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:26:59,551 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_tso.oepc.i[949,962] [2021-04-28 20:26:59,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:26:59,813 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:26:59,830 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_tso.oepc.i[949,962] [2021-04-28 20:26:59,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:27:00,060 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:27:00,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00 WrapperNode [2021-04-28 20:27:00,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:27:00,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:27:00,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:27:00,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:27:00,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (1/1) ... [2021-04-28 20:27:00,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (1/1) ... [2021-04-28 20:27:00,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:27:00,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:27:00,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:27:00,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:27:00,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (1/1) ... [2021-04-28 20:27:00,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (1/1) ... [2021-04-28 20:27:00,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (1/1) ... [2021-04-28 20:27:00,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (1/1) ... [2021-04-28 20:27:00,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (1/1) ... [2021-04-28 20:27:00,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (1/1) ... [2021-04-28 20:27:00,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (1/1) ... [2021-04-28 20:27:00,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:27:00,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:27:00,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:27:00,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:27:00,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:27:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:27:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:27:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:27:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:27:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:27:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:27:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:27:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:27:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:27:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:27:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:27:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:27:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:27:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:27:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:27:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:27:00,393 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 20:27:03,188 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:27:03,188 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:27:03,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:27:03 BoogieIcfgContainer [2021-04-28 20:27:03,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:27:03,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:27:03,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:27:03,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:27:03,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:26:59" (1/3) ... [2021-04-28 20:27:03,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773a2c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:27:03, skipping insertion in model container [2021-04-28 20:27:03,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:27:00" (2/3) ... [2021-04-28 20:27:03,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773a2c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:27:03, skipping insertion in model container [2021-04-28 20:27:03,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:27:03" (3/3) ... [2021-04-28 20:27:03,200 INFO L111 eAbstractionObserver]: Analyzing ICFG mix037_tso.oepc.i [2021-04-28 20:27:03,208 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:27:03,215 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:27:03,216 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:27:03,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,260 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,261 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,261 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,261 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,261 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,261 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,262 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,262 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,262 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,262 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,262 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,262 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,263 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,263 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,263 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,266 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,267 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,267 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,267 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,267 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,268 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,268 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,269 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,274 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,274 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,275 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,275 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,280 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,280 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,281 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,281 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,281 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,281 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,284 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,284 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,287 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,289 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,293 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,293 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,296 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,297 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,299 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,299 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,300 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:27:03,302 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:27:03,328 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:27:03,355 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:27:03,355 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:27:03,355 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:27:03,355 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:27:03,355 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:27:03,356 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:27:03,356 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:27:03,356 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:27:03,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 20:27:03,426 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 20:27:03,426 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:27:03,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:27:03,433 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 20:27:03,440 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 116 transitions, 244 flow [2021-04-28 20:27:03,442 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:27:03,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 20:27:03,463 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 20:27:03,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 244 flow [2021-04-28 20:27:03,495 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 20:27:03,495 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:27:03,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 98 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:27:03,501 INFO L146 LiptonReduction]: Number of co-enabled transitions 2868 [2021-04-28 20:27:07,894 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 20:27:08,938 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-28 20:27:11,310 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 20:27:12,448 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 20:27:13,301 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:27:13,431 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:27:13,998 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 20:27:14,217 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 20:27:14,824 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 20:27:15,006 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 20:27:17,098 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 20:27:17,649 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 20:27:20,288 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 20:27:21,495 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 20:27:22,825 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 234 DAG size of output: 194 [2021-04-28 20:27:23,401 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-04-28 20:27:26,287 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 318 DAG size of output: 274 [2021-04-28 20:27:27,547 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 271 [2021-04-28 20:27:28,948 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 20:27:29,588 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 20:27:32,381 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 20:27:33,722 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 20:27:37,818 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 20:27:38,527 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 20:27:41,596 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 20:27:42,984 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 20:27:44,697 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 20:27:45,445 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 20:27:48,694 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 20:27:50,226 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 20:27:51,928 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 20:27:52,714 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 20:27:56,280 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 20:27:57,967 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 20:27:59,861 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 20:28:00,706 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 20:28:04,435 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 20:28:06,089 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 20:28:12,403 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 20:28:13,253 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 20:28:17,175 WARN L205 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 20:28:18,916 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 20:28:20,926 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 20:28:21,850 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 20:28:25,950 WARN L205 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 20:28:27,849 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 20:28:30,105 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 20:28:31,077 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 20:28:35,513 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 20:28:37,520 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 20:28:40,914 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:28:41,033 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:28:41,145 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:28:41,264 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:28:41,377 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 20:28:41,486 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 20:28:41,596 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 20:28:41,704 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 20:28:41,858 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:28:42,012 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:28:42,159 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:28:42,302 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:28:42,453 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:28:42,599 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:28:42,742 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:28:42,886 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:28:43,057 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:28:43,219 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:28:43,379 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:28:43,534 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:28:43,666 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:28:43,793 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:28:43,922 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:28:44,049 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:28:44,179 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:28:44,310 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:28:44,451 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:28:44,593 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:28:44,705 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:28:44,815 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:28:44,930 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:28:45,047 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:28:45,197 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:28:45,356 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:28:45,513 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:28:45,668 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:28:47,424 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 20:28:47,527 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 20:28:47,631 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 20:28:47,734 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 20:28:52,043 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:28:52,221 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:28:52,398 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:28:52,566 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:28:52,753 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:28:52,941 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:28:53,130 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:28:53,317 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:28:53,493 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:28:53,672 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:28:53,860 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:28:54,031 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:28:54,173 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:28:54,315 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:28:54,473 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:28:54,629 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:28:54,763 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:28:54,895 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:28:55,033 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:28:55,177 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:28:55,863 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:28:55,985 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:28:56,115 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:28:56,240 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:28:56,353 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 20:28:56,466 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 20:28:56,578 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 20:28:56,687 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 20:28:57,061 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:28:57,169 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:28:57,278 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:28:57,387 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:28:57,516 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:28:57,630 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:28:57,743 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:28:57,856 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:28:58,915 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:28:59,034 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:28:59,153 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:28:59,273 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:00,789 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:29:00,902 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:29:01,016 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:29:01,130 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:29:02,122 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 20:29:02,321 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:29:02,438 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:29:02,546 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:29:02,655 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:29:03,105 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:03,230 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:03,355 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:03,481 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:04,199 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:29:04,331 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:29:04,463 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:29:04,595 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:29:04,734 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:29:04,871 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:29:05,009 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:29:05,147 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:29:05,284 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:05,416 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:05,556 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:05,696 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:05,899 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:29:06,107 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:29:06,306 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:29:06,508 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:29:06,656 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:29:06,810 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:29:06,956 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:29:07,097 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:29:07,278 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:07,448 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:07,620 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:07,800 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:08,005 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:29:08,210 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:29:08,422 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:29:08,624 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:29:08,777 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:08,897 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:09,025 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:09,145 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:09,265 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:09,386 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:09,507 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:09,628 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:09,822 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:29:10,016 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:29:10,207 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:29:10,400 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:29:10,580 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:29:10,769 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:29:10,980 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:29:11,181 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:29:11,309 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:11,441 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:11,567 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:11,689 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:12,818 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:29:12,949 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:29:13,081 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:29:13,213 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:29:13,358 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:29:13,502 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:29:13,647 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:29:13,791 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:29:13,911 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:14,031 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:14,148 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:14,268 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:29:14,417 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:29:14,567 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:29:14,717 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:29:14,867 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:29:15,187 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:29:15,497 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:29:15,842 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:29:16,180 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:29:16,401 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:16,626 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:16,854 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:17,078 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:17,325 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:29:17,549 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:29:17,782 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:29:18,016 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:29:18,251 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:29:18,481 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:29:18,716 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:29:18,948 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:29:19,204 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:19,467 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:19,731 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:19,985 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:20,244 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:29:20,513 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:29:20,786 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:29:21,051 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:29:21,195 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:21,341 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:21,489 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:21,623 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:21,880 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:29:22,136 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:29:22,408 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:29:22,660 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:29:22,935 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:23,220 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:23,511 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:23,799 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:24,058 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:24,301 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:24,543 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:24,782 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:25,069 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:25,353 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:25,622 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:25,899 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:26,232 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:29:26,552 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:29:26,866 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:29:27,179 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:29:27,492 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:29:27,798 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:29:28,113 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:29:28,419 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:29:28,679 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:28,951 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:29,198 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:29,436 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:29,783 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:29:30,144 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:29:30,476 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:29:30,816 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:29:31,117 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:29:31,439 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:29:31,720 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:29:32,034 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:29:32,298 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:29:32,563 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:29:32,851 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:29:33,133 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:29:33,320 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:33,471 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:33,627 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:33,781 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:34,021 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:29:34,275 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:29:34,521 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:29:34,767 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:29:34,921 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:35,074 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:35,228 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:35,381 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:35,537 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:35,691 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:35,847 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:36,002 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:29:36,233 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:29:36,459 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:29:36,690 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:29:36,921 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:29:37,347 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:37,476 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:37,607 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:37,743 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:37,955 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:38,176 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:38,389 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:38,601 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:38,928 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:39,257 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:39,520 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:39,779 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:29:40,143 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:29:40,495 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:29:40,843 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:29:41,198 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:29:41,536 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:29:41,900 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:29:42,240 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:29:42,581 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:29:42,874 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:29:43,182 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:29:43,476 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:29:43,765 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:29:44,115 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:29:44,464 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:29:44,783 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:29:45,096 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:29:45,352 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:45,610 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:45,869 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:46,125 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:29:47,213 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:29:47,725 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:29:48,753 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:29:49,246 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:29:49,630 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:50,005 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:50,364 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:50,727 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:51,101 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:51,483 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:51,821 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:52,166 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:52,530 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:52,895 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:53,278 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:53,668 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:29:54,614 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:29:55,078 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:29:56,082 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:29:56,544 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:29:56,767 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:56,980 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:57,198 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:57,413 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:29:57,560 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:57,714 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:57,869 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:58,013 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:29:58,066 INFO L158 LiptonReduction]: Checked pairs total: 34936 [2021-04-28 20:29:58,066 INFO L160 LiptonReduction]: Total number of compositions: 323 [2021-04-28 20:29:58,071 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 174631 [2021-04-28 20:29:58,099 INFO L129 PetriNetUnfolder]: 0/76 cut-off events. [2021-04-28 20:29:58,099 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:29:58,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:29:58,100 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 20:29:58,100 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:29:58,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:29:58,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1376838013, now seen corresponding path program 1 times [2021-04-28 20:29:58,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:29:58,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167646400] [2021-04-28 20:29:58,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:29:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:29:58,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:29:58,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:29:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:29:58,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167646400] [2021-04-28 20:29:58,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:29:58,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:29:58,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168469724] [2021-04-28 20:29:58,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:29:58,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:29:58,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:29:58,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:29:58,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2021-04-28 20:29:58,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 156 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 333.6666666666667) internal successors, (1001), 3 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:29:58,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:29:58,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2021-04-28 20:29:58,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:29:59,319 INFO L129 PetriNetUnfolder]: 861/1776 cut-off events. [2021-04-28 20:29:59,319 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:29:59,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3071 conditions, 1776 events. 861/1776 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 13796 event pairs, 591 based on Foata normal form. 21/1012 useless extension candidates. Maximal degree in co-relation 2981. Up to 937 conditions per place. [2021-04-28 20:29:59,336 INFO L132 encePairwiseOnDemand]: 424/443 looper letters, 11 selfloop transitions, 2 changer transitions 110/170 dead transitions. [2021-04-28 20:29:59,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 170 transitions, 458 flow [2021-04-28 20:29:59,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:29:59,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:29:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1055 transitions. [2021-04-28 20:29:59,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7938299473288186 [2021-04-28 20:29:59,365 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1055 transitions. [2021-04-28 20:29:59,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1055 transitions. [2021-04-28 20:29:59,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:29:59,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1055 transitions. [2021-04-28 20:29:59,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 351.6666666666667) internal successors, (1055), 3 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:29:59,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:29:59,399 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:29:59,401 INFO L185 Difference]: Start difference. First operand has 167 places, 156 transitions, 324 flow. Second operand 3 states and 1055 transitions. [2021-04-28 20:29:59,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 170 transitions, 458 flow [2021-04-28 20:29:59,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 170 transitions, 454 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 20:29:59,411 INFO L241 Difference]: Finished difference. Result has 162 places, 55 transitions, 122 flow [2021-04-28 20:29:59,414 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=162, PETRI_TRANSITIONS=55} [2021-04-28 20:29:59,415 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -5 predicate places. [2021-04-28 20:29:59,415 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:29:59,415 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 162 places, 55 transitions, 122 flow [2021-04-28 20:29:59,417 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 162 places, 55 transitions, 122 flow [2021-04-28 20:29:59,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 122 flow [2021-04-28 20:29:59,425 INFO L129 PetriNetUnfolder]: 0/55 cut-off events. [2021-04-28 20:29:59,425 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:29:59,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 55 events. 0/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 216 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 20:29:59,428 INFO L146 LiptonReduction]: Number of co-enabled transitions 1766 [2021-04-28 20:30:00,233 INFO L158 LiptonReduction]: Checked pairs total: 3332 [2021-04-28 20:30:00,233 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:30:00,233 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 818 [2021-04-28 20:30:00,235 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 55 transitions, 122 flow [2021-04-28 20:30:00,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 333.6666666666667) internal successors, (1001), 3 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:00,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:00,237 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:00,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:30:00,237 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:00,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:00,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1547483058, now seen corresponding path program 1 times [2021-04-28 20:30:00,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:00,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817312699] [2021-04-28 20:30:00,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:00,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:00,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:00,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817312699] [2021-04-28 20:30:00,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:00,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:30:00,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518210587] [2021-04-28 20:30:00,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:30:00,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:00,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:30:00,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:30:00,451 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 444 [2021-04-28 20:30:00,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 55 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:00,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:00,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 444 [2021-04-28 20:30:00,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:00,477 INFO L129 PetriNetUnfolder]: 0/55 cut-off events. [2021-04-28 20:30:00,477 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:30:00,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 55 events. 0/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 198 event pairs, 0 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 20:30:00,478 INFO L132 encePairwiseOnDemand]: 441/444 looper letters, 1 selfloop transitions, 2 changer transitions 17/55 dead transitions. [2021-04-28 20:30:00,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 55 transitions, 128 flow [2021-04-28 20:30:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:30:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:30:00,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2021-04-28 20:30:00,484 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7147147147147147 [2021-04-28 20:30:00,484 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 952 transitions. [2021-04-28 20:30:00,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 952 transitions. [2021-04-28 20:30:00,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:00,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 952 transitions. [2021-04-28 20:30:00,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:00,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 444.0) internal successors, (1776), 4 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:00,493 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 444.0) internal successors, (1776), 4 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:00,493 INFO L185 Difference]: Start difference. First operand has 66 places, 55 transitions, 122 flow. Second operand 3 states and 952 transitions. [2021-04-28 20:30:00,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 55 transitions, 128 flow [2021-04-28 20:30:00,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 55 transitions, 124 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:30:00,495 INFO L241 Difference]: Finished difference. Result has 67 places, 38 transitions, 92 flow [2021-04-28 20:30:00,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=67, PETRI_TRANSITIONS=38} [2021-04-28 20:30:00,496 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -100 predicate places. [2021-04-28 20:30:00,496 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:00,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 38 transitions, 92 flow [2021-04-28 20:30:00,497 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 38 transitions, 92 flow [2021-04-28 20:30:00,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 38 transitions, 92 flow [2021-04-28 20:30:00,503 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-04-28 20:30:00,503 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:30:00,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 98 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 20:30:00,504 INFO L146 LiptonReduction]: Number of co-enabled transitions 874 [2021-04-28 20:30:01,097 INFO L158 LiptonReduction]: Checked pairs total: 1083 [2021-04-28 20:30:01,097 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:01,098 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 602 [2021-04-28 20:30:01,100 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 38 transitions, 92 flow [2021-04-28 20:30:01,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:01,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:01,101 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:01,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:30:01,102 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:01,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:01,102 INFO L82 PathProgramCache]: Analyzing trace with hash 735258492, now seen corresponding path program 1 times [2021-04-28 20:30:01,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:01,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966809740] [2021-04-28 20:30:01,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:01,253 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 20:30:01,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 20:30:01,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:01,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:30:01,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:01,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966809740] [2021-04-28 20:30:01,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:01,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:30:01,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647380281] [2021-04-28 20:30:01,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:30:01,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:01,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:30:01,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:30:01,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 444 [2021-04-28 20:30:01,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 38 transitions, 92 flow. Second operand has 4 states, 4 states have (on average 241.75) internal successors, (967), 4 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:01,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:01,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 444 [2021-04-28 20:30:01,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:01,572 INFO L129 PetriNetUnfolder]: 205/457 cut-off events. [2021-04-28 20:30:01,573 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-04-28 20:30:01,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 813 conditions, 457 events. 205/457 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2687 event pairs, 53 based on Foata normal form. 4/365 useless extension candidates. Maximal degree in co-relation 803. Up to 297 conditions per place. [2021-04-28 20:30:01,578 INFO L132 encePairwiseOnDemand]: 440/444 looper letters, 11 selfloop transitions, 3 changer transitions 0/43 dead transitions. [2021-04-28 20:30:01,578 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 43 transitions, 130 flow [2021-04-28 20:30:01,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:30:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:30:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2021-04-28 20:30:01,584 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5540540540540541 [2021-04-28 20:30:01,584 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 738 transitions. [2021-04-28 20:30:01,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 738 transitions. [2021-04-28 20:30:01,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:01,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 738 transitions. [2021-04-28 20:30:01,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:01,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 444.0) internal successors, (1776), 4 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:01,592 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 444.0) internal successors, (1776), 4 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:01,592 INFO L185 Difference]: Start difference. First operand has 50 places, 38 transitions, 92 flow. Second operand 3 states and 738 transitions. [2021-04-28 20:30:01,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 43 transitions, 130 flow [2021-04-28 20:30:01,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 126 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:30:01,594 INFO L241 Difference]: Finished difference. Result has 51 places, 40 transitions, 107 flow [2021-04-28 20:30:01,594 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2021-04-28 20:30:01,595 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -116 predicate places. [2021-04-28 20:30:01,595 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:01,595 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 40 transitions, 107 flow [2021-04-28 20:30:01,595 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 40 transitions, 107 flow [2021-04-28 20:30:01,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 40 transitions, 107 flow [2021-04-28 20:30:01,604 INFO L129 PetriNetUnfolder]: 3/54 cut-off events. [2021-04-28 20:30:01,604 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 20:30:01,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 54 events. 3/54 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 163 event pairs, 1 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 73. Up to 10 conditions per place. [2021-04-28 20:30:01,606 INFO L146 LiptonReduction]: Number of co-enabled transitions 944 [2021-04-28 20:30:01,709 INFO L158 LiptonReduction]: Checked pairs total: 1013 [2021-04-28 20:30:01,709 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:01,710 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-04-28 20:30:01,712 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 107 flow [2021-04-28 20:30:01,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 241.75) internal successors, (967), 4 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:01,713 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:01,713 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:01,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:30:01,713 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:01,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:01,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1318174363, now seen corresponding path program 1 times [2021-04-28 20:30:01,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:01,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064532528] [2021-04-28 20:30:01,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:01,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:01,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 20:30:01,838 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-28 20:30:01,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-28 20:30:01,896 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-28 20:30:01,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-28 20:30:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:01,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064532528] [2021-04-28 20:30:01,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:01,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:30:01,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317495798] [2021-04-28 20:30:01,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:30:01,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:01,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:30:01,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:30:01,962 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 444 [2021-04-28 20:30:01,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 107 flow. Second operand has 5 states, 5 states have (on average 241.8) internal successors, (1209), 5 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:01,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:01,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 444 [2021-04-28 20:30:01,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:02,246 INFO L129 PetriNetUnfolder]: 214/469 cut-off events. [2021-04-28 20:30:02,247 INFO L130 PetriNetUnfolder]: For 101/103 co-relation queries the response was YES. [2021-04-28 20:30:02,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 954 conditions, 469 events. 214/469 cut-off events. For 101/103 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2750 event pairs, 149 based on Foata normal form. 6/378 useless extension candidates. Maximal degree in co-relation 943. Up to 299 conditions per place. [2021-04-28 20:30:02,252 INFO L132 encePairwiseOnDemand]: 437/444 looper letters, 12 selfloop transitions, 7 changer transitions 0/48 dead transitions. [2021-04-28 20:30:02,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 48 transitions, 163 flow [2021-04-28 20:30:02,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:30:02,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:30:02,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 984 transitions. [2021-04-28 20:30:02,259 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5540540540540541 [2021-04-28 20:30:02,259 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 984 transitions. [2021-04-28 20:30:02,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 984 transitions. [2021-04-28 20:30:02,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:02,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 984 transitions. [2021-04-28 20:30:02,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:02,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 444.0) internal successors, (2220), 5 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:02,269 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 444.0) internal successors, (2220), 5 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:02,269 INFO L185 Difference]: Start difference. First operand has 51 places, 40 transitions, 107 flow. Second operand 4 states and 984 transitions. [2021-04-28 20:30:02,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 48 transitions, 163 flow [2021-04-28 20:30:02,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 48 transitions, 160 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:30:02,272 INFO L241 Difference]: Finished difference. Result has 54 places, 44 transitions, 143 flow [2021-04-28 20:30:02,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=143, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2021-04-28 20:30:02,272 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -113 predicate places. [2021-04-28 20:30:02,273 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:02,273 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 44 transitions, 143 flow [2021-04-28 20:30:02,273 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 44 transitions, 143 flow [2021-04-28 20:30:02,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 44 transitions, 143 flow [2021-04-28 20:30:02,308 INFO L129 PetriNetUnfolder]: 60/201 cut-off events. [2021-04-28 20:30:02,308 INFO L130 PetriNetUnfolder]: For 72/93 co-relation queries the response was YES. [2021-04-28 20:30:02,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 201 events. 60/201 cut-off events. For 72/93 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1046 event pairs, 32 based on Foata normal form. 3/141 useless extension candidates. Maximal degree in co-relation 381. Up to 96 conditions per place. [2021-04-28 20:30:02,313 INFO L146 LiptonReduction]: Number of co-enabled transitions 1042 [2021-04-28 20:30:02,457 INFO L158 LiptonReduction]: Checked pairs total: 607 [2021-04-28 20:30:02,458 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:02,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-04-28 20:30:02,460 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 143 flow [2021-04-28 20:30:02,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 241.8) internal successors, (1209), 5 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:02,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:02,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:02,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:30:02,462 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:02,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:02,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2102860789, now seen corresponding path program 1 times [2021-04-28 20:30:02,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:02,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358230015] [2021-04-28 20:30:02,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:02,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:02,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:30:02,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:02,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:30:02,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 20:30:02,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:02,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358230015] [2021-04-28 20:30:02,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:02,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:30:02,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054111078] [2021-04-28 20:30:02,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:30:02,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:02,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:30:02,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:30:02,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 444 [2021-04-28 20:30:02,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 143 flow. Second operand has 5 states, 5 states have (on average 245.8) internal successors, (1229), 5 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:02,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:02,618 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 444 [2021-04-28 20:30:02,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:02,976 INFO L129 PetriNetUnfolder]: 210/481 cut-off events. [2021-04-28 20:30:02,979 INFO L130 PetriNetUnfolder]: For 279/379 co-relation queries the response was YES. [2021-04-28 20:30:02,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1167 conditions, 481 events. 210/481 cut-off events. For 279/379 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2832 event pairs, 94 based on Foata normal form. 18/386 useless extension candidates. Maximal degree in co-relation 1154. Up to 250 conditions per place. [2021-04-28 20:30:02,986 INFO L132 encePairwiseOnDemand]: 436/444 looper letters, 15 selfloop transitions, 9 changer transitions 0/53 dead transitions. [2021-04-28 20:30:02,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 53 transitions, 219 flow [2021-04-28 20:30:02,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:30:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:30:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1001 transitions. [2021-04-28 20:30:02,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5636261261261262 [2021-04-28 20:30:02,993 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1001 transitions. [2021-04-28 20:30:02,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1001 transitions. [2021-04-28 20:30:02,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:02,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1001 transitions. [2021-04-28 20:30:02,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 250.25) internal successors, (1001), 4 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:03,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 444.0) internal successors, (2220), 5 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:03,004 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 444.0) internal successors, (2220), 5 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:03,005 INFO L185 Difference]: Start difference. First operand has 54 places, 44 transitions, 143 flow. Second operand 4 states and 1001 transitions. [2021-04-28 20:30:03,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 53 transitions, 219 flow [2021-04-28 20:30:03,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 53 transitions, 208 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 20:30:03,008 INFO L241 Difference]: Finished difference. Result has 57 places, 49 transitions, 192 flow [2021-04-28 20:30:03,009 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=57, PETRI_TRANSITIONS=49} [2021-04-28 20:30:03,009 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -110 predicate places. [2021-04-28 20:30:03,009 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:03,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 49 transitions, 192 flow [2021-04-28 20:30:03,009 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 49 transitions, 192 flow [2021-04-28 20:30:03,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 49 transitions, 192 flow [2021-04-28 20:30:03,087 INFO L129 PetriNetUnfolder]: 171/473 cut-off events. [2021-04-28 20:30:03,087 INFO L130 PetriNetUnfolder]: For 410/458 co-relation queries the response was YES. [2021-04-28 20:30:03,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 473 events. 171/473 cut-off events. For 410/458 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3079 event pairs, 107 based on Foata normal form. 3/323 useless extension candidates. Maximal degree in co-relation 1059. Up to 198 conditions per place. [2021-04-28 20:30:03,098 INFO L146 LiptonReduction]: Number of co-enabled transitions 1146 [2021-04-28 20:30:03,224 INFO L158 LiptonReduction]: Checked pairs total: 499 [2021-04-28 20:30:03,224 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:03,224 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-04-28 20:30:03,226 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 49 transitions, 192 flow [2021-04-28 20:30:03,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 245.8) internal successors, (1229), 5 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:03,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:03,230 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:03,230 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:30:03,230 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:03,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:03,236 INFO L82 PathProgramCache]: Analyzing trace with hash -293240308, now seen corresponding path program 1 times [2021-04-28 20:30:03,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:03,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573593631] [2021-04-28 20:30:03,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:03,393 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-04-28 20:30:03,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:30:03,418 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-04-28 20:30:03,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:30:03,446 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-04-28 20:30:03,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 20:30:03,504 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 20:30:03,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 20:30:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:03,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573593631] [2021-04-28 20:30:03,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:03,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:30:03,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83660431] [2021-04-28 20:30:03,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:30:03,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:03,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:30:03,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:30:03,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 444 [2021-04-28 20:30:03,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 49 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 244.83333333333334) internal successors, (1469), 6 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:03,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:03,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 444 [2021-04-28 20:30:03,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:03,978 INFO L129 PetriNetUnfolder]: 230/508 cut-off events. [2021-04-28 20:30:03,978 INFO L130 PetriNetUnfolder]: For 506/907 co-relation queries the response was YES. [2021-04-28 20:30:03,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1541 conditions, 508 events. 230/508 cut-off events. For 506/907 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2939 event pairs, 77 based on Foata normal form. 26/427 useless extension candidates. Maximal degree in co-relation 1526. Up to 266 conditions per place. [2021-04-28 20:30:03,986 INFO L132 encePairwiseOnDemand]: 435/444 looper letters, 16 selfloop transitions, 13 changer transitions 0/58 dead transitions. [2021-04-28 20:30:03,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 58 transitions, 294 flow [2021-04-28 20:30:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:30:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:30:03,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1245 transitions. [2021-04-28 20:30:03,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5608108108108109 [2021-04-28 20:30:03,993 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1245 transitions. [2021-04-28 20:30:03,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1245 transitions. [2021-04-28 20:30:03,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:03,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1245 transitions. [2021-04-28 20:30:03,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:04,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 444.0) internal successors, (2664), 6 states have internal predecessors, (2664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:04,003 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 444.0) internal successors, (2664), 6 states have internal predecessors, (2664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:04,003 INFO L185 Difference]: Start difference. First operand has 57 places, 49 transitions, 192 flow. Second operand 5 states and 1245 transitions. [2021-04-28 20:30:04,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 58 transitions, 294 flow [2021-04-28 20:30:04,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 58 transitions, 284 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-04-28 20:30:04,008 INFO L241 Difference]: Finished difference. Result has 61 places, 53 transitions, 243 flow [2021-04-28 20:30:04,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=243, PETRI_PLACES=61, PETRI_TRANSITIONS=53} [2021-04-28 20:30:04,008 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -106 predicate places. [2021-04-28 20:30:04,009 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:04,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 53 transitions, 243 flow [2021-04-28 20:30:04,009 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 53 transitions, 243 flow [2021-04-28 20:30:04,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 53 transitions, 243 flow [2021-04-28 20:30:04,104 INFO L129 PetriNetUnfolder]: 215/504 cut-off events. [2021-04-28 20:30:04,104 INFO L130 PetriNetUnfolder]: For 773/893 co-relation queries the response was YES. [2021-04-28 20:30:04,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1441 conditions, 504 events. 215/504 cut-off events. For 773/893 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3082 event pairs, 105 based on Foata normal form. 1/367 useless extension candidates. Maximal degree in co-relation 1426. Up to 231 conditions per place. [2021-04-28 20:30:04,115 INFO L146 LiptonReduction]: Number of co-enabled transitions 1246 [2021-04-28 20:30:04,283 INFO L158 LiptonReduction]: Checked pairs total: 643 [2021-04-28 20:30:04,284 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:04,284 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 275 [2021-04-28 20:30:04,285 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 53 transitions, 243 flow [2021-04-28 20:30:04,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 244.83333333333334) internal successors, (1469), 6 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:04,286 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:04,286 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:04,286 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:30:04,286 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:04,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:04,287 INFO L82 PathProgramCache]: Analyzing trace with hash 2028261078, now seen corresponding path program 2 times [2021-04-28 20:30:04,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:04,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846874435] [2021-04-28 20:30:04,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:04,373 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-04-28 20:30:04,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 20:30:04,454 INFO L142 QuantifierPusher]: treesize reduction 31, result has 57.5 percent of original size [2021-04-28 20:30:04,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 20:30:04,548 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 20:30:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 20:30:04,623 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-04-28 20:30:04,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-28 20:30:04,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:04,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846874435] [2021-04-28 20:30:04,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:04,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:30:04,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139087325] [2021-04-28 20:30:04,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:30:04,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:04,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:30:04,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:30:04,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 444 [2021-04-28 20:30:04,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 53 transitions, 243 flow. Second operand has 6 states, 6 states have (on average 234.83333333333334) internal successors, (1409), 6 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:04,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:04,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 444 [2021-04-28 20:30:04,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:05,216 INFO L129 PetriNetUnfolder]: 243/551 cut-off events. [2021-04-28 20:30:05,216 INFO L130 PetriNetUnfolder]: For 844/1241 co-relation queries the response was YES. [2021-04-28 20:30:05,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1890 conditions, 551 events. 243/551 cut-off events. For 844/1241 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3277 event pairs, 73 based on Foata normal form. 34/462 useless extension candidates. Maximal degree in co-relation 1873. Up to 277 conditions per place. [2021-04-28 20:30:05,225 INFO L132 encePairwiseOnDemand]: 436/444 looper letters, 17 selfloop transitions, 20 changer transitions 0/66 dead transitions. [2021-04-28 20:30:05,225 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 66 transitions, 405 flow [2021-04-28 20:30:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:30:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:30:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1195 transitions. [2021-04-28 20:30:05,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5382882882882883 [2021-04-28 20:30:05,233 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1195 transitions. [2021-04-28 20:30:05,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1195 transitions. [2021-04-28 20:30:05,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:05,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1195 transitions. [2021-04-28 20:30:05,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:05,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 444.0) internal successors, (2664), 6 states have internal predecessors, (2664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:05,243 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 444.0) internal successors, (2664), 6 states have internal predecessors, (2664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:05,243 INFO L185 Difference]: Start difference. First operand has 61 places, 53 transitions, 243 flow. Second operand 5 states and 1195 transitions. [2021-04-28 20:30:05,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 66 transitions, 405 flow [2021-04-28 20:30:05,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 66 transitions, 376 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-28 20:30:05,248 INFO L241 Difference]: Finished difference. Result has 64 places, 61 transitions, 347 flow [2021-04-28 20:30:05,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=347, PETRI_PLACES=64, PETRI_TRANSITIONS=61} [2021-04-28 20:30:05,248 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -103 predicate places. [2021-04-28 20:30:05,248 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:05,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 61 transitions, 347 flow [2021-04-28 20:30:05,249 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 61 transitions, 347 flow [2021-04-28 20:30:05,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 61 transitions, 347 flow [2021-04-28 20:30:05,360 INFO L129 PetriNetUnfolder]: 218/562 cut-off events. [2021-04-28 20:30:05,361 INFO L130 PetriNetUnfolder]: For 1396/1768 co-relation queries the response was YES. [2021-04-28 20:30:05,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1883 conditions, 562 events. 218/562 cut-off events. For 1396/1768 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3646 event pairs, 85 based on Foata normal form. 5/406 useless extension candidates. Maximal degree in co-relation 1866. Up to 231 conditions per place. [2021-04-28 20:30:05,375 INFO L146 LiptonReduction]: Number of co-enabled transitions 1390 [2021-04-28 20:30:05,384 INFO L158 LiptonReduction]: Checked pairs total: 918 [2021-04-28 20:30:05,384 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:05,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-04-28 20:30:05,386 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 61 transitions, 347 flow [2021-04-28 20:30:05,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 234.83333333333334) internal successors, (1409), 6 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:05,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:05,387 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:05,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:30:05,387 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:05,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:05,388 INFO L82 PathProgramCache]: Analyzing trace with hash 2111368602, now seen corresponding path program 3 times [2021-04-28 20:30:05,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:05,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435336975] [2021-04-28 20:30:05,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:05,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:05,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:30:05,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:05,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:30:05,504 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-28 20:30:05,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-28 20:30:05,575 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 20:30:05,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 20:30:05,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:05,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435336975] [2021-04-28 20:30:05,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:05,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:30:05,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429763163] [2021-04-28 20:30:05,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:30:05,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:05,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:30:05,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:30:05,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 444 [2021-04-28 20:30:05,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 347 flow. Second operand has 6 states, 6 states have (on average 244.83333333333334) internal successors, (1469), 6 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:05,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:05,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 444 [2021-04-28 20:30:05,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:06,243 INFO L129 PetriNetUnfolder]: 285/626 cut-off events. [2021-04-28 20:30:06,243 INFO L130 PetriNetUnfolder]: For 2270/3178 co-relation queries the response was YES. [2021-04-28 20:30:06,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2657 conditions, 626 events. 285/626 cut-off events. For 2270/3178 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3769 event pairs, 41 based on Foata normal form. 55/566 useless extension candidates. Maximal degree in co-relation 2638. Up to 296 conditions per place. [2021-04-28 20:30:06,253 INFO L132 encePairwiseOnDemand]: 436/444 looper letters, 24 selfloop transitions, 20 changer transitions 0/73 dead transitions. [2021-04-28 20:30:06,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 73 transitions, 547 flow [2021-04-28 20:30:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 20:30:06,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 20:30:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1488 transitions. [2021-04-28 20:30:06,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5585585585585585 [2021-04-28 20:30:06,262 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1488 transitions. [2021-04-28 20:30:06,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1488 transitions. [2021-04-28 20:30:06,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:06,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1488 transitions. [2021-04-28 20:30:06,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 248.0) internal successors, (1488), 6 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:06,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 444.0) internal successors, (3108), 7 states have internal predecessors, (3108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:06,273 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 444.0) internal successors, (3108), 7 states have internal predecessors, (3108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:06,273 INFO L185 Difference]: Start difference. First operand has 64 places, 61 transitions, 347 flow. Second operand 6 states and 1488 transitions. [2021-04-28 20:30:06,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 73 transitions, 547 flow [2021-04-28 20:30:06,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 73 transitions, 518 flow, removed 9 selfloop flow, removed 1 redundant places. [2021-04-28 20:30:06,279 INFO L241 Difference]: Finished difference. Result has 69 places, 65 transitions, 427 flow [2021-04-28 20:30:06,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=427, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2021-04-28 20:30:06,280 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -98 predicate places. [2021-04-28 20:30:06,280 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:06,280 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 427 flow [2021-04-28 20:30:06,280 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 427 flow [2021-04-28 20:30:06,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 427 flow [2021-04-28 20:30:06,411 INFO L129 PetriNetUnfolder]: 254/626 cut-off events. [2021-04-28 20:30:06,412 INFO L130 PetriNetUnfolder]: For 2382/3001 co-relation queries the response was YES. [2021-04-28 20:30:06,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2568 conditions, 626 events. 254/626 cut-off events. For 2382/3001 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4099 event pairs, 52 based on Foata normal form. 9/480 useless extension candidates. Maximal degree in co-relation 2549. Up to 273 conditions per place. [2021-04-28 20:30:06,428 INFO L146 LiptonReduction]: Number of co-enabled transitions 1522 [2021-04-28 20:30:06,438 INFO L158 LiptonReduction]: Checked pairs total: 1110 [2021-04-28 20:30:06,438 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:06,439 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 159 [2021-04-28 20:30:06,440 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 427 flow [2021-04-28 20:30:06,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 244.83333333333334) internal successors, (1469), 6 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:06,441 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:06,441 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:06,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:30:06,441 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:06,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:06,442 INFO L82 PathProgramCache]: Analyzing trace with hash 2100826060, now seen corresponding path program 1 times [2021-04-28 20:30:06,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:06,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000943422] [2021-04-28 20:30:06,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:06,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:06,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:06,523 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:30:06,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:30:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:06,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:30:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:06,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000943422] [2021-04-28 20:30:06,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:06,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:30:06,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902763850] [2021-04-28 20:30:06,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:30:06,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:06,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:30:06,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:30:06,555 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 444 [2021-04-28 20:30:06,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 427 flow. Second operand has 4 states, 4 states have (on average 341.75) internal successors, (1367), 4 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:06,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:06,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 444 [2021-04-28 20:30:06,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:08,480 INFO L129 PetriNetUnfolder]: 6920/10758 cut-off events. [2021-04-28 20:30:08,480 INFO L130 PetriNetUnfolder]: For 17748/22238 co-relation queries the response was YES. [2021-04-28 20:30:08,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30470 conditions, 10758 events. 6920/10758 cut-off events. For 17748/22238 co-relation queries the response was YES. Maximal size of possible extension queue 1521. Compared 83695 event pairs, 3678 based on Foata normal form. 819/5947 useless extension candidates. Maximal degree in co-relation 30449. Up to 7315 conditions per place. [2021-04-28 20:30:08,636 INFO L132 encePairwiseOnDemand]: 429/444 looper letters, 27 selfloop transitions, 26 changer transitions 0/102 dead transitions. [2021-04-28 20:30:08,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 102 transitions, 607 flow [2021-04-28 20:30:08,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:30:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:30:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1759 transitions. [2021-04-28 20:30:08,644 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7923423423423424 [2021-04-28 20:30:08,645 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1759 transitions. [2021-04-28 20:30:08,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1759 transitions. [2021-04-28 20:30:08,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:08,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1759 transitions. [2021-04-28 20:30:08,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 351.8) internal successors, (1759), 5 states have internal predecessors, (1759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:08,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 444.0) internal successors, (2664), 6 states have internal predecessors, (2664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:08,657 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 444.0) internal successors, (2664), 6 states have internal predecessors, (2664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:08,657 INFO L185 Difference]: Start difference. First operand has 69 places, 65 transitions, 427 flow. Second operand 5 states and 1759 transitions. [2021-04-28 20:30:08,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 102 transitions, 607 flow [2021-04-28 20:30:08,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 102 transitions, 561 flow, removed 21 selfloop flow, removed 2 redundant places. [2021-04-28 20:30:08,679 INFO L241 Difference]: Finished difference. Result has 74 places, 90 transitions, 580 flow [2021-04-28 20:30:08,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=580, PETRI_PLACES=74, PETRI_TRANSITIONS=90} [2021-04-28 20:30:08,679 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -93 predicate places. [2021-04-28 20:30:08,680 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:08,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 90 transitions, 580 flow [2021-04-28 20:30:08,680 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 90 transitions, 580 flow [2021-04-28 20:30:08,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 90 transitions, 580 flow [2021-04-28 20:30:10,153 INFO L129 PetriNetUnfolder]: 7115/10950 cut-off events. [2021-04-28 20:30:10,153 INFO L130 PetriNetUnfolder]: For 12865/17614 co-relation queries the response was YES. [2021-04-28 20:30:10,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36735 conditions, 10950 events. 7115/10950 cut-off events. For 12865/17614 co-relation queries the response was YES. Maximal size of possible extension queue 1377. Compared 84593 event pairs, 2979 based on Foata normal form. 131/5490 useless extension candidates. Maximal degree in co-relation 36713. Up to 8260 conditions per place. [2021-04-28 20:30:10,342 INFO L146 LiptonReduction]: Number of co-enabled transitions 2348 [2021-04-28 20:30:10,360 INFO L158 LiptonReduction]: Checked pairs total: 1444 [2021-04-28 20:30:10,360 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:10,361 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1681 [2021-04-28 20:30:10,362 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 90 transitions, 580 flow [2021-04-28 20:30:10,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 341.75) internal successors, (1367), 4 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:10,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:10,363 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:10,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:30:10,363 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:10,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:10,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1139181225, now seen corresponding path program 1 times [2021-04-28 20:30:10,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:10,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407881856] [2021-04-28 20:30:10,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:10,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:10,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:10,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:10,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:10,460 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:30:10,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:30:10,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:10,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:30:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:10,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407881856] [2021-04-28 20:30:10,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:10,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:30:10,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88922455] [2021-04-28 20:30:10,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:30:10,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:10,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:30:10,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:30:10,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 444 [2021-04-28 20:30:10,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 90 transitions, 580 flow. Second operand has 5 states, 5 states have (on average 341.8) internal successors, (1709), 5 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 20:30:10,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:10,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 444 [2021-04-28 20:30:10,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:12,249 INFO L129 PetriNetUnfolder]: 5939/9852 cut-off events. [2021-04-28 20:30:12,249 INFO L130 PetriNetUnfolder]: For 14523/68787 co-relation queries the response was YES. [2021-04-28 20:30:12,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40830 conditions, 9852 events. 5939/9852 cut-off events. For 14523/68787 co-relation queries the response was YES. Maximal size of possible extension queue 1638. Compared 83865 event pairs, 1479 based on Foata normal form. 1058/5599 useless extension candidates. Maximal degree in co-relation 40806. Up to 7720 conditions per place. [2021-04-28 20:30:12,361 INFO L132 encePairwiseOnDemand]: 429/444 looper letters, 27 selfloop transitions, 51 changer transitions 0/123 dead transitions. [2021-04-28 20:30:12,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 123 transitions, 920 flow [2021-04-28 20:30:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:30:12,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:30:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2466 transitions. [2021-04-28 20:30:12,373 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7934362934362934 [2021-04-28 20:30:12,373 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2466 transitions. [2021-04-28 20:30:12,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2466 transitions. [2021-04-28 20:30:12,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:12,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2466 transitions. [2021-04-28 20:30:12,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 352.2857142857143) internal successors, (2466), 7 states have internal predecessors, (2466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:12,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 444.0) internal successors, (3552), 8 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:12,391 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 444.0) internal successors, (3552), 8 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:12,391 INFO L185 Difference]: Start difference. First operand has 74 places, 90 transitions, 580 flow. Second operand 7 states and 2466 transitions. [2021-04-28 20:30:12,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 123 transitions, 920 flow [2021-04-28 20:30:12,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 123 transitions, 907 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:30:12,438 INFO L241 Difference]: Finished difference. Result has 82 places, 111 transitions, 901 flow [2021-04-28 20:30:12,438 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=901, PETRI_PLACES=82, PETRI_TRANSITIONS=111} [2021-04-28 20:30:12,439 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -85 predicate places. [2021-04-28 20:30:12,439 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:12,439 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 111 transitions, 901 flow [2021-04-28 20:30:12,439 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 111 transitions, 901 flow [2021-04-28 20:30:12,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 111 transitions, 901 flow [2021-04-28 20:30:13,739 INFO L129 PetriNetUnfolder]: 6386/10420 cut-off events. [2021-04-28 20:30:13,740 INFO L130 PetriNetUnfolder]: For 27070/49847 co-relation queries the response was YES. [2021-04-28 20:30:13,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51576 conditions, 10420 events. 6386/10420 cut-off events. For 27070/49847 co-relation queries the response was YES. Maximal size of possible extension queue 1451. Compared 87541 event pairs, 1353 based on Foata normal form. 175/5246 useless extension candidates. Maximal degree in co-relation 51550. Up to 7940 conditions per place. [2021-04-28 20:30:13,930 INFO L146 LiptonReduction]: Number of co-enabled transitions 3072 [2021-04-28 20:30:13,956 INFO L158 LiptonReduction]: Checked pairs total: 1504 [2021-04-28 20:30:13,956 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:13,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1517 [2021-04-28 20:30:13,958 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 111 transitions, 901 flow [2021-04-28 20:30:13,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 341.8) internal successors, (1709), 5 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 20:30:13,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:13,959 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:13,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 20:30:13,959 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:13,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:13,960 INFO L82 PathProgramCache]: Analyzing trace with hash 802760589, now seen corresponding path program 1 times [2021-04-28 20:30:13,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:13,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423878199] [2021-04-28 20:30:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:14,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:14,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:14,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:14,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:14,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:14,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:14,109 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:30:14,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:30:14,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:14,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:30:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:14,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423878199] [2021-04-28 20:30:14,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:14,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:30:14,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280821187] [2021-04-28 20:30:14,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:30:14,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:14,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:30:14,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:30:14,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 444 [2021-04-28 20:30:14,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 111 transitions, 901 flow. Second operand has 6 states, 6 states have (on average 341.8333333333333) internal successors, (2051), 6 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:14,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:14,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 444 [2021-04-28 20:30:14,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:15,915 INFO L129 PetriNetUnfolder]: 4643/8268 cut-off events. [2021-04-28 20:30:15,915 INFO L130 PetriNetUnfolder]: For 22369/113979 co-relation queries the response was YES. [2021-04-28 20:30:15,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47927 conditions, 8268 events. 4643/8268 cut-off events. For 22369/113979 co-relation queries the response was YES. Maximal size of possible extension queue 1377. Compared 75104 event pairs, 291 based on Foata normal form. 1108/4558 useless extension candidates. Maximal degree in co-relation 47899. Up to 7142 conditions per place. [2021-04-28 20:30:15,994 INFO L132 encePairwiseOnDemand]: 429/444 looper letters, 14 selfloop transitions, 76 changer transitions 12/143 dead transitions. [2021-04-28 20:30:15,995 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 143 transitions, 1419 flow [2021-04-28 20:30:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:30:15,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:30:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3173 transitions. [2021-04-28 20:30:16,008 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.794044044044044 [2021-04-28 20:30:16,008 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3173 transitions. [2021-04-28 20:30:16,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3173 transitions. [2021-04-28 20:30:16,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:16,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3173 transitions. [2021-04-28 20:30:16,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 352.55555555555554) internal successors, (3173), 9 states have internal predecessors, (3173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:16,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 444.0) internal successors, (4440), 10 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:16,031 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 444.0) internal successors, (4440), 10 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:16,031 INFO L185 Difference]: Start difference. First operand has 82 places, 111 transitions, 901 flow. Second operand 9 states and 3173 transitions. [2021-04-28 20:30:16,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 143 transitions, 1419 flow [2021-04-28 20:30:16,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 143 transitions, 1242 flow, removed 55 selfloop flow, removed 8 redundant places. [2021-04-28 20:30:16,349 INFO L241 Difference]: Finished difference. Result has 85 places, 131 transitions, 1162 flow [2021-04-28 20:30:16,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1162, PETRI_PLACES=85, PETRI_TRANSITIONS=131} [2021-04-28 20:30:16,349 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -82 predicate places. [2021-04-28 20:30:16,349 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:16,349 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 131 transitions, 1162 flow [2021-04-28 20:30:16,350 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 131 transitions, 1162 flow [2021-04-28 20:30:16,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 131 transitions, 1162 flow [2021-04-28 20:30:17,257 INFO L129 PetriNetUnfolder]: 3938/7400 cut-off events. [2021-04-28 20:30:17,257 INFO L130 PetriNetUnfolder]: For 25962/32503 co-relation queries the response was YES. [2021-04-28 20:30:17,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42390 conditions, 7400 events. 3938/7400 cut-off events. For 25962/32503 co-relation queries the response was YES. Maximal size of possible extension queue 1086. Compared 66655 event pairs, 252 based on Foata normal form. 77/3451 useless extension candidates. Maximal degree in co-relation 42364. Up to 5329 conditions per place. [2021-04-28 20:30:17,357 INFO L146 LiptonReduction]: Number of co-enabled transitions 3398 [2021-04-28 20:30:17,499 INFO L158 LiptonReduction]: Checked pairs total: 1615 [2021-04-28 20:30:17,500 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:17,500 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1151 [2021-04-28 20:30:17,501 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 131 transitions, 1162 flow [2021-04-28 20:30:17,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 341.8333333333333) internal successors, (2051), 6 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:17,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:17,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:17,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 20:30:17,503 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:17,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:17,503 INFO L82 PathProgramCache]: Analyzing trace with hash -2131630643, now seen corresponding path program 1 times [2021-04-28 20:30:17,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:17,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22449625] [2021-04-28 20:30:17,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:17,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:17,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:17,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:17,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:17,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:17,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:17,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:17,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:17,753 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:30:17,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:30:17,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:17,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:30:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:17,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22449625] [2021-04-28 20:30:17,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:17,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 20:30:17,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533637885] [2021-04-28 20:30:17,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:30:17,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:17,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:30:17,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:30:17,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 444 [2021-04-28 20:30:17,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 131 transitions, 1162 flow. Second operand has 7 states, 7 states have (on average 341.85714285714283) internal successors, (2393), 7 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:17,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:17,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 444 [2021-04-28 20:30:17,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:19,376 INFO L129 PetriNetUnfolder]: 3266/6270 cut-off events. [2021-04-28 20:30:19,376 INFO L130 PetriNetUnfolder]: For 27958/119176 co-relation queries the response was YES. [2021-04-28 20:30:19,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41470 conditions, 6270 events. 3266/6270 cut-off events. For 27958/119176 co-relation queries the response was YES. Maximal size of possible extension queue 1395. Compared 58749 event pairs, 21 based on Foata normal form. 726/3091 useless extension candidates. Maximal degree in co-relation 41442. Up to 4741 conditions per place. [2021-04-28 20:30:19,460 INFO L132 encePairwiseOnDemand]: 429/444 looper letters, 2 selfloop transitions, 89 changer transitions 12/144 dead transitions. [2021-04-28 20:30:19,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 144 transitions, 1520 flow [2021-04-28 20:30:19,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 20:30:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 20:30:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3856 transitions. [2021-04-28 20:30:19,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7895167895167895 [2021-04-28 20:30:19,477 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3856 transitions. [2021-04-28 20:30:19,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3856 transitions. [2021-04-28 20:30:19,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:19,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3856 transitions. [2021-04-28 20:30:19,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 350.54545454545456) internal successors, (3856), 11 states have internal predecessors, (3856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:19,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 444.0) internal successors, (5328), 12 states have internal predecessors, (5328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:19,504 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 444.0) internal successors, (5328), 12 states have internal predecessors, (5328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:19,505 INFO L185 Difference]: Start difference. First operand has 85 places, 131 transitions, 1162 flow. Second operand 11 states and 3856 transitions. [2021-04-28 20:30:19,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 144 transitions, 1520 flow [2021-04-28 20:30:20,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 144 transitions, 1220 flow, removed 107 selfloop flow, removed 6 redundant places. [2021-04-28 20:30:20,974 INFO L241 Difference]: Finished difference. Result has 92 places, 132 transitions, 1092 flow [2021-04-28 20:30:20,974 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1092, PETRI_PLACES=92, PETRI_TRANSITIONS=132} [2021-04-28 20:30:20,975 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -75 predicate places. [2021-04-28 20:30:20,975 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:20,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 132 transitions, 1092 flow [2021-04-28 20:30:20,975 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 132 transitions, 1092 flow [2021-04-28 20:30:20,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 132 transitions, 1092 flow [2021-04-28 20:30:21,527 INFO L129 PetriNetUnfolder]: 3023/5946 cut-off events. [2021-04-28 20:30:21,528 INFO L130 PetriNetUnfolder]: For 16659/20849 co-relation queries the response was YES. [2021-04-28 20:30:21,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26871 conditions, 5946 events. 3023/5946 cut-off events. For 16659/20849 co-relation queries the response was YES. Maximal size of possible extension queue 1125. Compared 56245 event pairs, 10 based on Foata normal form. 14/2380 useless extension candidates. Maximal degree in co-relation 26843. Up to 2430 conditions per place. [2021-04-28 20:30:21,597 INFO L146 LiptonReduction]: Number of co-enabled transitions 3334 [2021-04-28 20:30:21,895 INFO L158 LiptonReduction]: Checked pairs total: 1827 [2021-04-28 20:30:21,895 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:21,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 921 [2021-04-28 20:30:21,897 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 132 transitions, 1092 flow [2021-04-28 20:30:21,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 341.85714285714283) internal successors, (2393), 7 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:21,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:21,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:21,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 20:30:21,898 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:21,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:21,899 INFO L82 PathProgramCache]: Analyzing trace with hash 724920110, now seen corresponding path program 1 times [2021-04-28 20:30:21,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:21,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319056163] [2021-04-28 20:30:21,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:21,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:21,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:30:21,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:21,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:21,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:21,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:21,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319056163] [2021-04-28 20:30:21,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:21,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:30:21,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566701180] [2021-04-28 20:30:21,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:30:21,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:22,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:30:22,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:30:22,002 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 444 [2021-04-28 20:30:22,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 132 transitions, 1092 flow. Second operand has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:22,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:22,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 444 [2021-04-28 20:30:22,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:23,268 INFO L129 PetriNetUnfolder]: 5607/10816 cut-off events. [2021-04-28 20:30:23,268 INFO L130 PetriNetUnfolder]: For 36173/50401 co-relation queries the response was YES. [2021-04-28 20:30:23,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49482 conditions, 10816 events. 5607/10816 cut-off events. For 36173/50401 co-relation queries the response was YES. Maximal size of possible extension queue 2391. Compared 111607 event pairs, 28 based on Foata normal form. 109/4209 useless extension candidates. Maximal degree in co-relation 49452. Up to 4590 conditions per place. [2021-04-28 20:30:23,362 INFO L132 encePairwiseOnDemand]: 441/444 looper letters, 3 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2021-04-28 20:30:23,362 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 133 transitions, 1104 flow [2021-04-28 20:30:23,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:30:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:30:23,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1122 transitions. [2021-04-28 20:30:23,370 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6317567567567568 [2021-04-28 20:30:23,370 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1122 transitions. [2021-04-28 20:30:23,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1122 transitions. [2021-04-28 20:30:23,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:23,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1122 transitions. [2021-04-28 20:30:23,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 280.5) internal successors, (1122), 4 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:23,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 444.0) internal successors, (2220), 5 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:23,378 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 444.0) internal successors, (2220), 5 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:23,378 INFO L185 Difference]: Start difference. First operand has 91 places, 132 transitions, 1092 flow. Second operand 4 states and 1122 transitions. [2021-04-28 20:30:23,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 133 transitions, 1104 flow [2021-04-28 20:30:27,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 133 transitions, 804 flow, removed 66 selfloop flow, removed 11 redundant places. [2021-04-28 20:30:27,654 INFO L241 Difference]: Finished difference. Result has 85 places, 133 transitions, 805 flow [2021-04-28 20:30:27,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=805, PETRI_PLACES=85, PETRI_TRANSITIONS=133} [2021-04-28 20:30:27,654 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -82 predicate places. [2021-04-28 20:30:27,654 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:27,655 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 133 transitions, 805 flow [2021-04-28 20:30:27,655 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 133 transitions, 805 flow [2021-04-28 20:30:27,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 133 transitions, 805 flow [2021-04-28 20:30:28,433 INFO L129 PetriNetUnfolder]: 5607/10816 cut-off events. [2021-04-28 20:30:28,434 INFO L130 PetriNetUnfolder]: For 10850/12136 co-relation queries the response was YES. [2021-04-28 20:30:28,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38967 conditions, 10816 events. 5607/10816 cut-off events. For 10850/12136 co-relation queries the response was YES. Maximal size of possible extension queue 1942. Compared 109445 event pairs, 13 based on Foata normal form. 19/4208 useless extension candidates. Maximal degree in co-relation 38942. Up to 4590 conditions per place. [2021-04-28 20:30:28,576 INFO L146 LiptonReduction]: Number of co-enabled transitions 3416 [2021-04-28 20:30:34,262 INFO L158 LiptonReduction]: Checked pairs total: 1342 [2021-04-28 20:30:34,262 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:30:34,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6609 [2021-04-28 20:30:34,264 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 133 transitions, 805 flow [2021-04-28 20:30:34,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:34,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:30:34,264 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:30:34,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 20:30:34,265 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:30:34,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:30:34,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1643346095, now seen corresponding path program 1 times [2021-04-28 20:30:34,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:30:34,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642245290] [2021-04-28 20:30:34,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:30:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:30:34,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:34,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:30:34,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:34,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:34,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:30:34,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:30:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:30:34,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642245290] [2021-04-28 20:30:34,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:30:34,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:30:34,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663650866] [2021-04-28 20:30:34,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:30:34,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:30:34,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:30:34,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:30:34,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 444 [2021-04-28 20:30:34,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 133 transitions, 805 flow. Second operand has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:34,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:30:34,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 444 [2021-04-28 20:30:34,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:30:36,203 INFO L129 PetriNetUnfolder]: 11176/21392 cut-off events. [2021-04-28 20:30:36,203 INFO L130 PetriNetUnfolder]: For 24366/28548 co-relation queries the response was YES. [2021-04-28 20:30:36,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77344 conditions, 21392 events. 11176/21392 cut-off events. For 24366/28548 co-relation queries the response was YES. Maximal size of possible extension queue 4413. Compared 234443 event pairs, 51 based on Foata normal form. 139/8219 useless extension candidates. Maximal degree in co-relation 77317. Up to 9180 conditions per place. [2021-04-28 20:30:36,391 INFO L132 encePairwiseOnDemand]: 441/444 looper letters, 3 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2021-04-28 20:30:36,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 134 transitions, 817 flow [2021-04-28 20:30:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:30:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:30:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1146 transitions. [2021-04-28 20:30:36,399 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6452702702702703 [2021-04-28 20:30:36,399 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1146 transitions. [2021-04-28 20:30:36,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1146 transitions. [2021-04-28 20:30:36,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:30:36,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1146 transitions. [2021-04-28 20:30:36,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 286.5) internal successors, (1146), 4 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:36,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 444.0) internal successors, (2220), 5 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:36,408 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 444.0) internal successors, (2220), 5 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:30:36,408 INFO L185 Difference]: Start difference. First operand has 85 places, 133 transitions, 805 flow. Second operand 4 states and 1146 transitions. [2021-04-28 20:30:36,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 134 transitions, 817 flow [2021-04-28 20:30:55,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 134 transitions, 816 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:30:55,241 INFO L241 Difference]: Finished difference. Result has 89 places, 134 transitions, 817 flow [2021-04-28 20:30:55,241 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=817, PETRI_PLACES=89, PETRI_TRANSITIONS=134} [2021-04-28 20:30:55,241 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -78 predicate places. [2021-04-28 20:30:55,242 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:30:55,242 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 134 transitions, 817 flow [2021-04-28 20:30:55,242 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 134 transitions, 817 flow [2021-04-28 20:30:55,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 134 transitions, 817 flow [2021-04-28 20:30:56,966 INFO L129 PetriNetUnfolder]: 11176/21392 cut-off events. [2021-04-28 20:30:56,966 INFO L130 PetriNetUnfolder]: For 21581/23507 co-relation queries the response was YES. [2021-04-28 20:30:57,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77352 conditions, 21392 events. 11176/21392 cut-off events. For 21581/23507 co-relation queries the response was YES. Maximal size of possible extension queue 4020. Compared 236619 event pairs, 26 based on Foata normal form. 36/8404 useless extension candidates. Maximal degree in co-relation 77325. Up to 9180 conditions per place. [2021-04-28 20:30:57,389 INFO L146 LiptonReduction]: Number of co-enabled transitions 3504 [2021-04-28 20:31:05,091 INFO L158 LiptonReduction]: Checked pairs total: 750 [2021-04-28 20:31:05,091 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:31:05,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9850 [2021-04-28 20:31:05,093 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 134 transitions, 817 flow [2021-04-28 20:31:05,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:31:05,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:31:05,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:31:05,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 20:31:05,094 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:31:05,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:31:05,094 INFO L82 PathProgramCache]: Analyzing trace with hash -317285665, now seen corresponding path program 1 times [2021-04-28 20:31:05,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:31:05,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433425155] [2021-04-28 20:31:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:31:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:31:05,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:31:05,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:31:05,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:31:05,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:31:05,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:31:05,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:31:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:31:05,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433425155] [2021-04-28 20:31:05,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:31:05,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:31:05,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938118722] [2021-04-28 20:31:05,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:31:05,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:31:05,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:31:05,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:31:05,204 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 444 [2021-04-28 20:31:05,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 134 transitions, 817 flow. Second operand has 4 states, 4 states have (on average 316.0) internal successors, (1264), 4 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:31:05,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:31:05,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 444 [2021-04-28 20:31:05,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:31:10,007 INFO L129 PetriNetUnfolder]: 22295/42501 cut-off events. [2021-04-28 20:31:10,007 INFO L130 PetriNetUnfolder]: For 48020/53910 co-relation queries the response was YES. [2021-04-28 20:31:10,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153873 conditions, 42501 events. 22295/42501 cut-off events. For 48020/53910 co-relation queries the response was YES. Maximal size of possible extension queue 7989. Compared 496742 event pairs, 106 based on Foata normal form. 210/16642 useless extension candidates. Maximal degree in co-relation 153844. Up to 18360 conditions per place. [2021-04-28 20:31:10,300 INFO L132 encePairwiseOnDemand]: 441/444 looper letters, 3 selfloop transitions, 2 changer transitions 14/135 dead transitions. [2021-04-28 20:31:10,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 135 transitions, 829 flow [2021-04-28 20:31:10,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:31:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:31:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1266 transitions. [2021-04-28 20:31:10,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7128378378378378 [2021-04-28 20:31:10,308 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1266 transitions. [2021-04-28 20:31:10,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1266 transitions. [2021-04-28 20:31:10,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:31:10,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1266 transitions. [2021-04-28 20:31:10,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 316.5) internal successors, (1266), 4 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:31:10,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 444.0) internal successors, (2220), 5 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:31:10,316 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 444.0) internal successors, (2220), 5 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:31:10,316 INFO L185 Difference]: Start difference. First operand has 89 places, 134 transitions, 817 flow. Second operand 4 states and 1266 transitions. [2021-04-28 20:31:10,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 135 transitions, 829 flow [2021-04-28 20:31:58,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 135 transitions, 828 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:31:58,357 INFO L241 Difference]: Finished difference. Result has 93 places, 121 transitions, 748 flow [2021-04-28 20:31:58,358 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=748, PETRI_PLACES=93, PETRI_TRANSITIONS=121} [2021-04-28 20:31:58,358 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -74 predicate places. [2021-04-28 20:31:58,358 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:31:58,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 121 transitions, 748 flow [2021-04-28 20:31:58,358 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 121 transitions, 748 flow [2021-04-28 20:31:58,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 121 transitions, 748 flow [2021-04-28 20:31:59,345 INFO L129 PetriNetUnfolder]: 6775/13369 cut-off events. [2021-04-28 20:31:59,346 INFO L130 PetriNetUnfolder]: For 12839/13313 co-relation queries the response was YES. [2021-04-28 20:31:59,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48346 conditions, 13369 events. 6775/13369 cut-off events. For 12839/13313 co-relation queries the response was YES. Maximal size of possible extension queue 2249. Compared 140441 event pairs, 24 based on Foata normal form. 36/5525 useless extension candidates. Maximal degree in co-relation 48317. Up to 5400 conditions per place. [2021-04-28 20:31:59,570 INFO L146 LiptonReduction]: Number of co-enabled transitions 2192 [2021-04-28 20:32:10,733 INFO L158 LiptonReduction]: Checked pairs total: 222 [2021-04-28 20:32:10,733 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 20:32:10,734 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12376 [2021-04-28 20:32:10,735 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 121 transitions, 754 flow [2021-04-28 20:32:10,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 316.0) internal successors, (1264), 4 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:32:10,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:32:10,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:32:10,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 20:32:10,736 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:32:10,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:32:10,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1719222947, now seen corresponding path program 2 times [2021-04-28 20:32:10,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:32:10,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051915033] [2021-04-28 20:32:10,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:32:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:32:10,816 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:32:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:32:10,895 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:32:10,940 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 20:32:10,940 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 20:32:10,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-28 20:32:11,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 08:32:11 BasicIcfg [2021-04-28 20:32:11,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 20:32:11,115 INFO L168 Benchmark]: Toolchain (without parser) took 311901.77 ms. Allocated memory was 302.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 276.0 MB in the beginning and 6.7 GB in the end (delta: -6.5 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2021-04-28 20:32:11,116 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 272.7 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 20:32:11,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.39 ms. Allocated memory is still 302.0 MB. Free memory was 272.8 MB in the beginning and 267.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.0 GB. [2021-04-28 20:32:11,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.10 ms. Allocated memory is still 302.0 MB. Free memory was 267.9 MB in the beginning and 265.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:32:11,116 INFO L168 Benchmark]: Boogie Preprocessor took 101.81 ms. Allocated memory is still 302.0 MB. Free memory was 265.0 MB in the beginning and 262.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:32:11,117 INFO L168 Benchmark]: RCFGBuilder took 2933.13 ms. Allocated memory is still 302.0 MB. Free memory was 261.8 MB in the beginning and 173.7 MB in the end (delta: 88.1 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. [2021-04-28 20:32:11,117 INFO L168 Benchmark]: TraceAbstraction took 307920.14 ms. Allocated memory was 302.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 173.7 MB in the beginning and 6.7 GB in the end (delta: -6.6 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-04-28 20:32:11,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 272.7 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 787.39 ms. Allocated memory is still 302.0 MB. Free memory was 272.8 MB in the beginning and 267.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 87.10 ms. Allocated memory is still 302.0 MB. Free memory was 267.9 MB in the beginning and 265.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 101.81 ms. Allocated memory is still 302.0 MB. Free memory was 265.0 MB in the beginning and 262.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2933.13 ms. Allocated memory is still 302.0 MB. Free memory was 261.8 MB in the beginning and 173.7 MB in the end (delta: 88.1 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 307920.14 ms. Allocated memory was 302.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 173.7 MB in the beginning and 6.7 GB in the end (delta: -6.6 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 174602.3ms, 127 PlacesBefore, 167 PlacesAfterwards, 116 TransitionsBefore, 156 TransitionsAfterwards, 2868 CoEnabledTransitionPairs, 11 FixpointIterations, 228 TrivialSequentialCompositions, 94 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 323 TotalNumberOfCompositions, 34936 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6921, positive: 6447, positive conditional: 6447, positive unconditional: 0, negative: 474, negative conditional: 474, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2872, positive: 2785, positive conditional: 0, positive unconditional: 2785, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2872, positive: 2785, positive conditional: 0, positive unconditional: 2785, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2872, positive: 2753, positive conditional: 0, positive unconditional: 2753, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 119, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2046, positive: 124, positive conditional: 0, positive unconditional: 124, negative: 1922, negative conditional: 0, negative unconditional: 1922, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6921, positive: 3662, positive conditional: 3662, positive unconditional: 0, negative: 387, negative conditional: 387, negative unconditional: 0, unknown: 2872, unknown conditional: 2872, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2872, Positive cache size: 2785, Positive conditional cache size: 2785, Positive unconditional cache size: 0, Negative cache size: 87, Negative conditional cache size: 87, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 816.5ms, 162 PlacesBefore, 66 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 1766 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3332 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 566, positive: 483, positive conditional: 483, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 157, positive: 134, positive conditional: 4, positive unconditional: 130, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 157, positive: 134, positive conditional: 4, positive unconditional: 130, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 157, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 698, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 531, negative conditional: 0, negative unconditional: 531, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 566, positive: 349, positive conditional: 349, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 157, unknown conditional: 157, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3029, Positive cache size: 2919, Positive conditional cache size: 2919, Positive unconditional cache size: 0, Negative cache size: 110, Negative conditional cache size: 110, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 600.8ms, 67 PlacesBefore, 50 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1083 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 335, positive: 294, positive conditional: 294, positive unconditional: 0, negative: 41, negative conditional: 41, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 138, positive: 119, positive conditional: 13, positive unconditional: 106, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 138, positive: 119, positive conditional: 13, positive unconditional: 106, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 138, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 583, positive: 213, positive conditional: 0, positive unconditional: 213, negative: 369, negative conditional: 17, negative unconditional: 352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 335, positive: 175, positive conditional: 175, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 138, unknown conditional: 138, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3167, Positive cache size: 3038, Positive conditional cache size: 3038, Positive unconditional cache size: 0, Negative cache size: 129, Negative conditional cache size: 129, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.3ms, 51 PlacesBefore, 51 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 944 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1013 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 380, positive: 343, positive conditional: 343, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 57, positive conditional: 18, positive unconditional: 39, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, positive: 57, positive conditional: 18, positive unconditional: 39, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 61, negative conditional: 55, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 380, positive: 286, positive conditional: 286, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 60, unknown conditional: 60, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3227, Positive cache size: 3095, Positive conditional cache size: 3095, Positive unconditional cache size: 0, Negative cache size: 132, Negative conditional cache size: 132, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 184.6ms, 54 PlacesBefore, 54 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 1042 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 607 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 217, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 36, positive conditional: 15, positive unconditional: 21, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 36, positive conditional: 15, positive unconditional: 21, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 138, negative conditional: 53, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 217, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3267, Positive cache size: 3131, Positive conditional cache size: 3131, Positive unconditional cache size: 0, Negative cache size: 136, Negative conditional cache size: 136, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 214.7ms, 57 PlacesBefore, 57 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 499 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 155, positive: 140, positive conditional: 140, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 27, positive conditional: 16, positive unconditional: 11, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, positive: 27, positive conditional: 16, positive unconditional: 11, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ 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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 155, positive: 113, positive conditional: 113, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3297, Positive cache size: 3158, Positive conditional cache size: 3158, Positive unconditional cache size: 0, Negative cache size: 139, Negative conditional cache size: 139, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 274.6ms, 61 PlacesBefore, 61 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 643 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 77, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 13, positive conditional: 8, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 13, positive conditional: 8, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 161, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 161, negative conditional: 0, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 77, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3314, Positive cache size: 3171, Positive conditional cache size: 3171, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.7ms, 64 PlacesBefore, 64 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 1390 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 918 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 302, positive: 279, positive conditional: 279, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 38, positive conditional: 32, positive unconditional: 6, 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: 38, positive: 38, positive conditional: 32, positive unconditional: 6, 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: 38, positive: 38, positive conditional: 0, positive unconditional: 38, 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: 302, positive: 241, positive conditional: 241, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3352, Positive cache size: 3209, Positive conditional cache size: 3209, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 158.3ms, 69 PlacesBefore, 69 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 1522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 53, positive conditional: 42, positive unconditional: 11, 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: 53, positive: 53, positive conditional: 42, positive unconditional: 11, 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: 53, positive: 53, positive conditional: 0, positive unconditional: 53, 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: 395, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3405, Positive cache size: 3262, Positive conditional cache size: 3262, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1680.5ms, 74 PlacesBefore, 74 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 2348 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1444 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 292, positive: 268, positive conditional: 268, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 72, positive conditional: 46, positive unconditional: 26, 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: 72, positive: 72, positive conditional: 46, positive unconditional: 26, 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: 72, positive: 72, positive conditional: 0, positive unconditional: 72, 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: 292, positive: 196, positive conditional: 196, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 72, unknown conditional: 72, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3477, Positive cache size: 3334, Positive conditional cache size: 3334, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1517.1ms, 82 PlacesBefore, 82 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 3072 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1504 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 409, positive: 389, positive conditional: 389, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 104, positive: 104, positive conditional: 72, positive unconditional: 32, 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: 104, positive: 104, positive conditional: 72, positive unconditional: 32, 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: 104, positive: 104, positive conditional: 0, positive unconditional: 104, 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: 409, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 104, unknown conditional: 104, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3581, Positive cache size: 3438, Positive conditional cache size: 3438, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1150.0ms, 85 PlacesBefore, 85 PlacesAfterwards, 131 TransitionsBefore, 131 TransitionsAfterwards, 3398 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1615 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 398, positive: 379, positive conditional: 379, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, positive: 129, positive conditional: 124, positive unconditional: 5, 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: 129, positive: 129, positive conditional: 124, positive unconditional: 5, 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: 129, positive: 129, positive conditional: 0, positive unconditional: 129, 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: 398, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 129, unknown conditional: 129, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3710, Positive cache size: 3567, Positive conditional cache size: 3567, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 920.0ms, 92 PlacesBefore, 91 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 3334 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1827 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 579, positive: 557, positive conditional: 557, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 201, positive: 201, positive conditional: 197, 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: 201, positive: 201, positive conditional: 197, 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: 201, positive: 201, positive conditional: 0, positive unconditional: 201, 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: 579, positive: 356, positive conditional: 356, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 201, unknown conditional: 201, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3911, Positive cache size: 3768, Positive conditional cache size: 3768, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6607.7ms, 85 PlacesBefore, 85 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 3416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1342 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 452, positive: 436, positive conditional: 436, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124, positive: 124, positive conditional: 120, 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: 124, positive: 124, positive conditional: 120, 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: 124, positive: 124, positive conditional: 0, positive unconditional: 124, 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: 452, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 124, unknown conditional: 124, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4035, Positive cache size: 3892, Positive conditional cache size: 3892, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9849.4ms, 89 PlacesBefore, 89 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 3504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 750 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 219, positive: 210, positive conditional: 210, positive unconditional: 0, negative: 9, negative conditional: 9, 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: 2, positive unconditional: 3, 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: 2, positive unconditional: 3, 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: 219, positive: 205, positive conditional: 205, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4040, Positive cache size: 3897, Positive conditional cache size: 3897, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12375.0ms, 93 PlacesBefore, 86 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 2192 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 222 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 222, positive: 222, positive conditional: 222, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 149, positive: 149, positive conditional: 133, positive unconditional: 16, 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: 149, positive: 149, positive conditional: 133, positive unconditional: 16, 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: 149, positive: 149, positive conditional: 0, positive unconditional: 149, 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: 222, positive: 73, positive conditional: 73, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 149, unknown conditional: 149, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4189, Positive cache size: 4046, Positive conditional cache size: 4046, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, 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: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L727] 0 _Bool x$flush_delayed; [L728] 0 int x$mem_tmp; [L729] 0 _Bool x$r_buff0_thd0; [L730] 0 _Bool x$r_buff0_thd1; [L731] 0 _Bool x$r_buff0_thd2; [L732] 0 _Bool x$r_buff0_thd3; [L733] 0 _Bool x$r_buff0_thd4; [L734] 0 _Bool x$r_buff1_thd0; [L735] 0 _Bool x$r_buff1_thd1; [L736] 0 _Bool x$r_buff1_thd2; [L737] 0 _Bool x$r_buff1_thd3; [L738] 0 _Bool x$r_buff1_thd4; [L739] 0 _Bool x$read_delayed; [L740] 0 int *x$read_delayed_var; [L741] 0 int x$w_buff0; [L742] 0 _Bool x$w_buff0_used; [L743] 0 int x$w_buff1; [L744] 0 _Bool x$w_buff1_used; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L858] 0 pthread_t t993; [L859] FCALL, FORK 0 pthread_create(&t993, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L860] 0 pthread_t t994; [L861] FCALL, FORK 0 pthread_create(&t994, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L862] 0 pthread_t t995; [L863] FCALL, FORK 0 pthread_create(&t995, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L864] 0 pthread_t t996; [L865] FCALL, FORK 0 pthread_create(&t996, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 2 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L783] 2 x$r_buff1_thd4 = x$r_buff0_thd4 [L784] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L787] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L804] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L807] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L824] 4 z = 1 [L827] 4 a = 1 [L830] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L833] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L754] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L757] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L790] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L791] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L792] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L793] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L794] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L810] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L810] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L810] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L810] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L811] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L812] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L813] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L814] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L814] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L760] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L760] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L760] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L760] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L761] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L761] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L762] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L762] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L763] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L763] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L764] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L764] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L836] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L836] EXPR 4 x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x [L836] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L836] 4 x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L837] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L837] 4 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L838] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L838] 4 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L839] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L839] 4 x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L840] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L840] 4 x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L819] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L871] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L871] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L871] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L871] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L872] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L872] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L873] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L873] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L874] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L874] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L875] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L875] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L878] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L879] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L880] 0 x$flush_delayed = weak$$choice2 [L881] 0 x$mem_tmp = x [L882] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L882] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L883] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L883] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L884] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L884] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L885] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L885] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L886] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L886] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L887] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L887] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L888] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L888] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L889] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L890] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L890] 0 x = x$flush_delayed ? x$mem_tmp : x [L891] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 119 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 307591.6ms, OverallIterations: 16, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 92712.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 174726.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 73 SDtfs, 58 SDslu, 21 SDs, 0 SdLazy, 669 SolverSat, 302 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1818.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1710.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1162occurred in iteration=11, InterpolantAutomatonStates: 77, 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: 64.8ms SsaConstructionTime, 719.2ms SatisfiabilityAnalysisTime, 2286.7ms InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 1670 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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...