/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/stack_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 15:07:57,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 15:07:57,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 15:07:58,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 15:07:58,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 15:07:58,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 15:07:58,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 15:07:58,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 15:07:58,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 15:07:58,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 15:07:58,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 15:07:58,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 15:07:58,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 15:07:58,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 15:07:58,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 15:07:58,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 15:07:58,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 15:07:58,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 15:07:58,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 15:07:58,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 15:07:58,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 15:07:58,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 15:07:58,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 15:07:58,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 15:07:58,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 15:07:58,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 15:07:58,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 15:07:58,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 15:07:58,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 15:07:58,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 15:07:58,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 15:07:58,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 15:07:58,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 15:07:58,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 15:07:58,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 15:07:58,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 15:07:58,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 15:07:58,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 15:07:58,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 15:07:58,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 15:07:58,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 15:07:58,104 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 15:07:58,157 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 15:07:58,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 15:07:58,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 15:07:58,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 15:07:58,163 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 15:07:58,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 15:07:58,163 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 15:07:58,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 15:07:58,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 15:07:58,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 15:07:58,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 15:07:58,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 15:07:58,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 15:07:58,166 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 15:07:58,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 15:07:58,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 15:07:58,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 15:07:58,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 15:07:58,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 15:07:58,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 15:07:58,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 15:07:58,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 15:07:58,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 15:07:58,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 15:07:58,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 15:07:58,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 15:07:58,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 15:07:58,170 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 15:07:58,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 15:07:58,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 15:07:58,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 15:07:58,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 15:07:58,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 15:07:58,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 15:07:58,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 15:07:58,633 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 15:07:58,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2021-04-28 15:07:58,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7babec0d5/13482ef16fe14fe5bf4455b85dd5501e/FLAGe2ff590e0 [2021-04-28 15:07:59,458 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 15:07:59,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2021-04-28 15:07:59,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7babec0d5/13482ef16fe14fe5bf4455b85dd5501e/FLAGe2ff590e0 [2021-04-28 15:07:59,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7babec0d5/13482ef16fe14fe5bf4455b85dd5501e [2021-04-28 15:07:59,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 15:07:59,778 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 15:07:59,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 15:07:59,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 15:07:59,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 15:07:59,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:07:59" (1/1) ... [2021-04-28 15:07:59,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc5d6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:07:59, skipping insertion in model container [2021-04-28 15:07:59,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:07:59" (1/1) ... [2021-04-28 15:07:59,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 15:07:59,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 15:08:00,389 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/stack_longer-1.i[41527,41540] [2021-04-28 15:08:00,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 15:08:00,473 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 15:08:00,527 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/stack_longer-1.i[41527,41540] [2021-04-28 15:08:00,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 15:08:00,737 INFO L208 MainTranslator]: Completed translation [2021-04-28 15:08:00,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00 WrapperNode [2021-04-28 15:08:00,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 15:08:00,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 15:08:00,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 15:08:00,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 15:08:00,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (1/1) ... [2021-04-28 15:08:00,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (1/1) ... [2021-04-28 15:08:00,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 15:08:00,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 15:08:00,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 15:08:00,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 15:08:00,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (1/1) ... [2021-04-28 15:08:00,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (1/1) ... [2021-04-28 15:08:00,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (1/1) ... [2021-04-28 15:08:00,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (1/1) ... [2021-04-28 15:08:00,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (1/1) ... [2021-04-28 15:08:00,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (1/1) ... [2021-04-28 15:08:00,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (1/1) ... [2021-04-28 15:08:00,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 15:08:00,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 15:08:00,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 15:08:00,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 15:08:00,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (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 15:08:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-04-28 15:08:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-04-28 15:08:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-04-28 15:08:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-04-28 15:08:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 15:08:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 15:08:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-28 15:08:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 15:08:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-04-28 15:08:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 15:08:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 15:08:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 15:08:00,980 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 15:08:01,586 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 15:08:01,587 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-04-28 15:08:01,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:08:01 BoogieIcfgContainer [2021-04-28 15:08:01,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 15:08:01,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 15:08:01,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 15:08:01,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 15:08:01,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 03:07:59" (1/3) ... [2021-04-28 15:08:01,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f3a5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:08:01, skipping insertion in model container [2021-04-28 15:08:01,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:08:00" (2/3) ... [2021-04-28 15:08:01,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f3a5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:08:01, skipping insertion in model container [2021-04-28 15:08:01,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:08:01" (3/3) ... [2021-04-28 15:08:01,600 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2021-04-28 15:08:01,608 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 15:08:01,614 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 15:08:01,615 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 15:08:01,669 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,669 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,669 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,671 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,671 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,671 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,672 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,672 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,672 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,672 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,672 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,673 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,673 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,673 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,673 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,676 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,676 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,676 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,676 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,677 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,677 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,677 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,677 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,678 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,678 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,678 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,678 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,679 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,679 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,679 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,679 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,679 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,680 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,681 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,681 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,681 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,681 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,681 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,682 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,682 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,682 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,682 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,683 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,683 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,683 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,683 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,684 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,684 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,684 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,684 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,684 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,685 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,685 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,685 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,685 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,686 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,686 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,686 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,686 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,687 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,687 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,689 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,689 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,689 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,689 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,690 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,690 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,690 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,690 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,691 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,691 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,691 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,691 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,691 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,692 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,692 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,692 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,693 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,693 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,693 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,693 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,694 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,694 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,694 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,694 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,695 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,695 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,695 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,695 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,696 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,696 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,696 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,696 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,696 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,697 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,697 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,697 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,698 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,698 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,698 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,698 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,699 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,700 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,700 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,703 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,703 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,704 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,704 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,704 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,705 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,705 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,705 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,705 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,706 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,706 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,706 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,708 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,708 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,708 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,708 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,709 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,709 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,709 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,710 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,710 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,710 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,710 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,711 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,711 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,711 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,711 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,711 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,712 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,712 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,712 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,712 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,712 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,713 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,713 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,713 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,713 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,713 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,714 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,714 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,714 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,714 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,714 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,715 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,715 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,715 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,715 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,715 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,716 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,716 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,716 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,716 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,716 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,717 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,717 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,717 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,717 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,717 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,718 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,718 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,718 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,718 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,719 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,719 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,719 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,719 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,719 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,728 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,728 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,728 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,728 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,729 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,729 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,729 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,729 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,729 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,730 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,730 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,730 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,730 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,731 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,731 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,731 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,733 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,734 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,735 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,735 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,736 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,736 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,736 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,737 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,737 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,737 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,737 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,737 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,745 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,746 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,746 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,746 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,746 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,747 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,747 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,747 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,747 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,747 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,748 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,748 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,748 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,748 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,748 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,749 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,749 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,749 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,749 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:08:01,760 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-28 15:08:01,786 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 15:08:01,816 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:08:01,816 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:08:01,816 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:08:01,817 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:08:01,817 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:08:01,817 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:08:01,817 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:08:01,817 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:08:01,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 151 transitions, 324 flow [2021-04-28 15:08:01,931 INFO L129 PetriNetUnfolder]: 11/151 cut-off events. [2021-04-28 15:08:01,932 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-28 15:08:01,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 151 events. 11/151 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 396 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 115. Up to 3 conditions per place. [2021-04-28 15:08:01,943 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 151 transitions, 324 flow [2021-04-28 15:08:01,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 139 transitions, 290 flow [2021-04-28 15:08:01,953 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:08:01,971 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 139 transitions, 290 flow [2021-04-28 15:08:01,975 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 139 transitions, 290 flow [2021-04-28 15:08:01,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 139 transitions, 290 flow [2021-04-28 15:08:02,042 INFO L129 PetriNetUnfolder]: 10/141 cut-off events. [2021-04-28 15:08:02,043 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 15:08:02,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 141 events. 10/141 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 322 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 115. Up to 3 conditions per place. [2021-04-28 15:08:02,056 INFO L146 LiptonReduction]: Number of co-enabled transitions 6764 [2021-04-28 15:08:11,328 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-28 15:08:11,485 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-28 15:08:11,699 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2021-04-28 15:08:11,921 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2021-04-28 15:08:12,156 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2021-04-28 15:08:12,369 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2021-04-28 15:08:14,997 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-04-28 15:08:15,286 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-04-28 15:08:15,575 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-04-28 15:08:15,884 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-04-28 15:08:16,324 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2021-04-28 15:08:16,473 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 15:08:16,791 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2021-04-28 15:08:16,957 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 15:08:17,284 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-04-28 15:08:17,411 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:08:17,728 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-04-28 15:08:17,865 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:08:18,072 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-04-28 15:08:18,369 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-04-28 15:08:18,791 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-04-28 15:08:18,938 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:08:19,270 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-04-28 15:08:19,418 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:08:19,653 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-04-28 15:08:19,762 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 15:08:19,988 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-04-28 15:08:20,308 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-04-28 15:08:20,597 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-04-28 15:08:21,044 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2021-04-28 15:08:21,203 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 15:08:21,549 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2021-04-28 15:08:21,708 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 15:08:22,080 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-04-28 15:08:22,241 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 15:08:22,585 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-04-28 15:08:22,747 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 15:08:24,007 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:08:24,111 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 15:08:24,228 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:08:24,334 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 15:08:24,540 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 15:08:26,380 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-04-28 15:08:26,544 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 15:08:26,930 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-04-28 15:08:27,124 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 15:08:27,841 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 118 [2021-04-28 15:08:28,126 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:08:28,810 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 118 [2021-04-28 15:08:29,156 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:08:29,602 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-28 15:08:29,802 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 15:08:30,234 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-28 15:08:30,428 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 15:08:30,842 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-28 15:08:31,065 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 15:08:31,501 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-28 15:08:31,708 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 15:08:32,164 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-28 15:08:32,363 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 15:08:32,782 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-28 15:08:32,979 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 15:08:33,544 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2021-04-28 15:08:33,810 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 15:08:34,361 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2021-04-28 15:08:34,596 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 15:08:35,045 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-28 15:08:35,273 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 15:08:35,723 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-04-28 15:08:35,924 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 15:08:36,691 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 124 [2021-04-28 15:08:37,064 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 15:08:37,810 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 124 [2021-04-28 15:08:38,188 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 15:08:38,573 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-04-28 15:08:38,762 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 15:08:39,164 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-04-28 15:08:39,346 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 15:08:40,130 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-04-28 15:08:40,483 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-04-28 15:08:41,357 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-04-28 15:08:41,768 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-04-28 15:08:42,053 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 15:08:42,302 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 15:08:42,566 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 15:08:42,812 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 15:08:42,983 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:08:43,142 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:08:43,307 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:08:43,461 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:08:43,728 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 15:08:43,986 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 15:08:44,252 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 15:08:44,515 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 15:08:44,706 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 15:08:44,889 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 15:08:45,081 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 15:08:45,270 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 15:08:45,442 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:08:45,615 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:08:45,794 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:08:45,954 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:08:46,207 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 15:08:46,455 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:08:46,708 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 15:08:46,937 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:08:47,112 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:08:47,290 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:08:47,467 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:08:47,628 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:08:47,932 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 15:08:48,235 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 15:08:48,516 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 15:08:48,799 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 15:08:48,936 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:08:49,068 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 15:08:49,205 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:08:49,332 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 15:08:49,618 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 15:08:49,894 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:08:50,174 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 15:08:50,454 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:08:51,415 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-04-28 15:08:51,982 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-04-28 15:08:52,689 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-04-28 15:08:53,309 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-04-28 15:08:53,800 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 15:08:54,249 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 15:08:54,752 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 15:08:55,207 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 15:08:55,554 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 15:08:55,894 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 15:08:56,250 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 15:08:56,640 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 15:08:56,875 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:08:57,089 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:08:57,309 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:08:57,527 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:08:58,230 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-04-28 15:08:58,917 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-04-28 15:08:59,680 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-04-28 15:09:00,402 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-04-28 15:09:00,844 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 15:09:01,285 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 15:09:01,701 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 15:09:02,116 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 15:09:02,565 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 15:09:02,980 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 15:09:03,427 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 15:09:03,862 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 15:09:04,319 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 15:09:04,793 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 15:09:05,272 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 15:09:05,698 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 15:09:06,208 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 15:09:06,634 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 15:09:07,108 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 15:09:07,557 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 15:09:08,036 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 15:09:08,488 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:09:08,954 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 15:09:09,391 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:09:10,248 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-04-28 15:09:11,026 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 15:09:11,889 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-04-28 15:09:12,804 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 15:09:12,893 INFO L158 LiptonReduction]: Checked pairs total: 50225 [2021-04-28 15:09:12,893 INFO L160 LiptonReduction]: Total number of compositions: 294 [2021-04-28 15:09:12,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70947 [2021-04-28 15:09:12,929 INFO L129 PetriNetUnfolder]: 1/95 cut-off events. [2021-04-28 15:09:12,929 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 15:09:12,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:09:12,930 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-04-28 15:09:12,931 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:09:12,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:09:12,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1205119727, now seen corresponding path program 1 times [2021-04-28 15:09:12,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:09:12,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106069889] [2021-04-28 15:09:12,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:09:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:09:13,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:13,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:13,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:13,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:13,328 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 15:09:13,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106069889] [2021-04-28 15:09:13,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:09:13,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 15:09:13,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851087491] [2021-04-28 15:09:13,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:09:13,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:09:13,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:09:13,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:09:13,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 445 [2021-04-28 15:09:13,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 167 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 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 15:09:13,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:09:13,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 445 [2021-04-28 15:09:13,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:09:14,180 INFO L129 PetriNetUnfolder]: 775/2650 cut-off events. [2021-04-28 15:09:14,180 INFO L130 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2021-04-28 15:09:14,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3924 conditions, 2650 events. 775/2650 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 27940 event pairs, 132 based on Foata normal form. 65/574 useless extension candidates. Maximal degree in co-relation 3797. Up to 790 conditions per place. [2021-04-28 15:09:14,200 INFO L132 encePairwiseOnDemand]: 402/445 looper letters, 49 selfloop transitions, 13 changer transitions 37/189 dead transitions. [2021-04-28 15:09:14,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 189 transitions, 554 flow [2021-04-28 15:09:14,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:09:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:09:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2021-04-28 15:09:14,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7737827715355805 [2021-04-28 15:09:14,228 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2021-04-28 15:09:14,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2021-04-28 15:09:14,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:09:14,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2021-04-28 15:09:14,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 0 states have call successors, (0), 0 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 15:09:14,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 445.0) internal successors, (1780), 4 states have internal predecessors, (1780), 0 states have call successors, (0), 0 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 15:09:14,266 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 445.0) internal successors, (1780), 4 states have internal predecessors, (1780), 0 states have call successors, (0), 0 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 15:09:14,269 INFO L185 Difference]: Start difference. First operand has 167 places, 167 transitions, 346 flow. Second operand 3 states and 1033 transitions. [2021-04-28 15:09:14,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 189 transitions, 554 flow [2021-04-28 15:09:14,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 189 transitions, 546 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 15:09:14,283 INFO L241 Difference]: Finished difference. Result has 164 places, 139 transitions, 372 flow [2021-04-28 15:09:14,285 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=372, PETRI_PLACES=164, PETRI_TRANSITIONS=139} [2021-04-28 15:09:14,287 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -3 predicate places. [2021-04-28 15:09:14,287 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:09:14,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 139 transitions, 372 flow [2021-04-28 15:09:14,288 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 139 transitions, 372 flow [2021-04-28 15:09:14,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 139 transitions, 372 flow [2021-04-28 15:09:14,433 INFO L129 PetriNetUnfolder]: 257/1178 cut-off events. [2021-04-28 15:09:14,433 INFO L130 PetriNetUnfolder]: For 27/57 co-relation queries the response was YES. [2021-04-28 15:09:14,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1670 conditions, 1178 events. 257/1178 cut-off events. For 27/57 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 11225 event pairs, 8 based on Foata normal form. 0/236 useless extension candidates. Maximal degree in co-relation 1602. Up to 261 conditions per place. [2021-04-28 15:09:14,462 INFO L146 LiptonReduction]: Number of co-enabled transitions 9350 [2021-04-28 15:09:14,693 INFO L158 LiptonReduction]: Checked pairs total: 6812 [2021-04-28 15:09:14,693 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:09:14,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 407 [2021-04-28 15:09:14,697 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 139 transitions, 372 flow [2021-04-28 15:09:14,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 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 15:09:14,699 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:09:14,699 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:09:14,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 15:09:14,699 INFO L428 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:09:14,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:09:14,700 INFO L82 PathProgramCache]: Analyzing trace with hash 339544648, now seen corresponding path program 1 times [2021-04-28 15:09:14,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:09:14,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463117399] [2021-04-28 15:09:14,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:09:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:09:14,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:14,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:14,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:14,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:14,788 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 15:09:14,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463117399] [2021-04-28 15:09:14,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:09:14,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 15:09:14,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510956081] [2021-04-28 15:09:14,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:09:14,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:09:14,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:09:14,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:09:14,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 445 [2021-04-28 15:09:14,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 139 transitions, 372 flow. Second operand has 3 states, 3 states have (on average 360.6666666666667) internal successors, (1082), 3 states have internal predecessors, (1082), 0 states have call successors, (0), 0 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 15:09:14,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:09:14,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 445 [2021-04-28 15:09:14,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:09:15,154 INFO L129 PetriNetUnfolder]: 274/1155 cut-off events. [2021-04-28 15:09:15,154 INFO L130 PetriNetUnfolder]: For 68/240 co-relation queries the response was YES. [2021-04-28 15:09:15,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1939 conditions, 1155 events. 274/1155 cut-off events. For 68/240 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 10000 event pairs, 35 based on Foata normal form. 8/291 useless extension candidates. Maximal degree in co-relation 1872. Up to 358 conditions per place. [2021-04-28 15:09:15,165 INFO L132 encePairwiseOnDemand]: 422/445 looper letters, 32 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2021-04-28 15:09:15,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 141 transitions, 444 flow [2021-04-28 15:09:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:09:15,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:09:15,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1127 transitions. [2021-04-28 15:09:15,173 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8441947565543071 [2021-04-28 15:09:15,173 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1127 transitions. [2021-04-28 15:09:15,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1127 transitions. [2021-04-28 15:09:15,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:09:15,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1127 transitions. [2021-04-28 15:09:15,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 0 states have call successors, (0), 0 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 15:09:15,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 445.0) internal successors, (1780), 4 states have internal predecessors, (1780), 0 states have call successors, (0), 0 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 15:09:15,186 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 445.0) internal successors, (1780), 4 states have internal predecessors, (1780), 0 states have call successors, (0), 0 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 15:09:15,187 INFO L185 Difference]: Start difference. First operand has 127 places, 139 transitions, 372 flow. Second operand 3 states and 1127 transitions. [2021-04-28 15:09:15,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 141 transitions, 444 flow [2021-04-28 15:09:15,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 141 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 15:09:15,203 INFO L241 Difference]: Finished difference. Result has 128 places, 140 transitions, 414 flow [2021-04-28 15:09:15,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=128, PETRI_TRANSITIONS=140} [2021-04-28 15:09:15,204 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -39 predicate places. [2021-04-28 15:09:15,205 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:09:15,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 140 transitions, 414 flow [2021-04-28 15:09:15,206 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 140 transitions, 414 flow [2021-04-28 15:09:15,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 140 transitions, 414 flow [2021-04-28 15:09:15,340 INFO L129 PetriNetUnfolder]: 269/1123 cut-off events. [2021-04-28 15:09:15,340 INFO L130 PetriNetUnfolder]: For 18/70 co-relation queries the response was YES. [2021-04-28 15:09:15,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1787 conditions, 1123 events. 269/1123 cut-off events. For 18/70 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 9811 event pairs, 35 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 1721. Up to 356 conditions per place. [2021-04-28 15:09:15,371 INFO L146 LiptonReduction]: Number of co-enabled transitions 8914 [2021-04-28 15:09:15,467 INFO L158 LiptonReduction]: Checked pairs total: 5196 [2021-04-28 15:09:15,467 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:09:15,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-04-28 15:09:15,477 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 140 transitions, 414 flow [2021-04-28 15:09:15,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 360.6666666666667) internal successors, (1082), 3 states have internal predecessors, (1082), 0 states have call successors, (0), 0 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 15:09:15,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:09:15,479 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:09:15,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 15:09:15,482 INFO L428 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:09:15,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:09:15,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1357484810, now seen corresponding path program 1 times [2021-04-28 15:09:15,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:09:15,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567385215] [2021-04-28 15:09:15,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:09:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:09:15,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:15,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:15,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:15,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:15,582 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 15:09:15,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567385215] [2021-04-28 15:09:15,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:09:15,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 15:09:15,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705399432] [2021-04-28 15:09:15,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:09:15,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:09:15,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:09:15,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:09:15,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 445 [2021-04-28 15:09:15,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 140 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 387.3333333333333) internal successors, (1162), 3 states have internal predecessors, (1162), 0 states have call successors, (0), 0 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 15:09:15,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:09:15,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 445 [2021-04-28 15:09:15,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:09:16,135 INFO L129 PetriNetUnfolder]: 490/2620 cut-off events. [2021-04-28 15:09:16,135 INFO L130 PetriNetUnfolder]: For 162/1117 co-relation queries the response was YES. [2021-04-28 15:09:16,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4293 conditions, 2620 events. 490/2620 cut-off events. For 162/1117 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 29373 event pairs, 78 based on Foata normal form. 23/697 useless extension candidates. Maximal degree in co-relation 4214. Up to 528 conditions per place. [2021-04-28 15:09:16,156 INFO L132 encePairwiseOnDemand]: 429/445 looper letters, 31 selfloop transitions, 12 changer transitions 0/157 dead transitions. [2021-04-28 15:09:16,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 157 transitions, 542 flow [2021-04-28 15:09:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:09:16,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:09:16,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2021-04-28 15:09:16,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.898876404494382 [2021-04-28 15:09:16,164 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions. [2021-04-28 15:09:16,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions. [2021-04-28 15:09:16,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:09:16,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions. [2021-04-28 15:09:16,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.0) internal successors, (1200), 3 states have internal predecessors, (1200), 0 states have call successors, (0), 0 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 15:09:16,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 445.0) internal successors, (1780), 4 states have internal predecessors, (1780), 0 states have call successors, (0), 0 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 15:09:16,178 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 445.0) internal successors, (1780), 4 states have internal predecessors, (1780), 0 states have call successors, (0), 0 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 15:09:16,178 INFO L185 Difference]: Start difference. First operand has 128 places, 140 transitions, 414 flow. Second operand 3 states and 1200 transitions. [2021-04-28 15:09:16,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 157 transitions, 542 flow [2021-04-28 15:09:16,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 157 transitions, 540 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 15:09:16,186 INFO L241 Difference]: Finished difference. Result has 130 places, 150 transitions, 504 flow [2021-04-28 15:09:16,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=130, PETRI_TRANSITIONS=150} [2021-04-28 15:09:16,186 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -37 predicate places. [2021-04-28 15:09:16,187 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:09:16,187 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 150 transitions, 504 flow [2021-04-28 15:09:16,187 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 150 transitions, 504 flow [2021-04-28 15:09:16,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 150 transitions, 504 flow [2021-04-28 15:09:16,393 INFO L129 PetriNetUnfolder]: 452/1739 cut-off events. [2021-04-28 15:09:16,393 INFO L130 PetriNetUnfolder]: For 114/277 co-relation queries the response was YES. [2021-04-28 15:09:16,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2968 conditions, 1739 events. 452/1739 cut-off events. For 114/277 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 16081 event pairs, 79 based on Foata normal form. 7/450 useless extension candidates. Maximal degree in co-relation 2868. Up to 516 conditions per place. [2021-04-28 15:09:16,431 INFO L146 LiptonReduction]: Number of co-enabled transitions 10302 [2021-04-28 15:09:16,587 INFO L158 LiptonReduction]: Checked pairs total: 5894 [2021-04-28 15:09:16,587 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:09:16,588 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 401 [2021-04-28 15:09:16,590 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 150 transitions, 504 flow [2021-04-28 15:09:16,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 387.3333333333333) internal successors, (1162), 3 states have internal predecessors, (1162), 0 states have call successors, (0), 0 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 15:09:16,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:09:16,592 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:09:16,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 15:09:16,592 INFO L428 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:09:16,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:09:16,593 INFO L82 PathProgramCache]: Analyzing trace with hash 987614431, now seen corresponding path program 1 times [2021-04-28 15:09:16,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:09:16,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393250583] [2021-04-28 15:09:16,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:09:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:09:16,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:16,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:09:16,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393250583] [2021-04-28 15:09:16,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991439837] [2021-04-28 15:09:16,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 15:09:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:09:16,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-28 15:09:16,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-28 15:09:16,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:16,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:16,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:09:17,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:09:17,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:09:17,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-28 15:09:17,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:09:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:09:17,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 15:09:17,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:09:17,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:09:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 15:09:17,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:17,123 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-04-28 15:09:17,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:17,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:17,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:17,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:17,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:09:17,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-28 15:09:17,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-04-28 15:09:17,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540541844] [2021-04-28 15:09:17,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 15:09:17,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:09:17,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 15:09:17,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-28 15:09:17,140 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 445 [2021-04-28 15:09:17,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 150 transitions, 504 flow. Second operand has 7 states, 7 states have (on average 309.14285714285717) internal successors, (2164), 7 states have internal predecessors, (2164), 0 states have call successors, (0), 0 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 15:09:17,144 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:09:17,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 445 [2021-04-28 15:09:17,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:09:18,786 INFO L129 PetriNetUnfolder]: 1893/5523 cut-off events. [2021-04-28 15:09:18,787 INFO L130 PetriNetUnfolder]: For 1041/1379 co-relation queries the response was YES. [2021-04-28 15:09:18,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12199 conditions, 5523 events. 1893/5523 cut-off events. For 1041/1379 co-relation queries the response was YES. Maximal size of possible extension queue 737. Compared 57783 event pairs, 163 based on Foata normal form. 72/1559 useless extension candidates. Maximal degree in co-relation 11952. Up to 1672 conditions per place. [2021-04-28 15:09:18,841 INFO L132 encePairwiseOnDemand]: 428/445 looper letters, 114 selfloop transitions, 43 changer transitions 18/268 dead transitions. [2021-04-28 15:09:18,841 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 268 transitions, 1359 flow [2021-04-28 15:09:18,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 15:09:18,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 15:09:18,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2314 transitions. [2021-04-28 15:09:18,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7428571428571429 [2021-04-28 15:09:18,855 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2314 transitions. [2021-04-28 15:09:18,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2314 transitions. [2021-04-28 15:09:18,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:09:18,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2314 transitions. [2021-04-28 15:09:18,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 330.57142857142856) internal successors, (2314), 7 states have internal predecessors, (2314), 0 states have call successors, (0), 0 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 15:09:18,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 445.0) internal successors, (3560), 8 states have internal predecessors, (3560), 0 states have call successors, (0), 0 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 15:09:18,878 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 445.0) internal successors, (3560), 8 states have internal predecessors, (3560), 0 states have call successors, (0), 0 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 15:09:18,878 INFO L185 Difference]: Start difference. First operand has 130 places, 150 transitions, 504 flow. Second operand 7 states and 2314 transitions. [2021-04-28 15:09:18,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 268 transitions, 1359 flow [2021-04-28 15:09:18,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 268 transitions, 1338 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 15:09:18,890 INFO L241 Difference]: Finished difference. Result has 138 places, 180 transitions, 794 flow [2021-04-28 15:09:18,891 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=794, PETRI_PLACES=138, PETRI_TRANSITIONS=180} [2021-04-28 15:09:18,891 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -29 predicate places. [2021-04-28 15:09:18,891 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:09:18,892 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 180 transitions, 794 flow [2021-04-28 15:09:18,892 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 180 transitions, 794 flow [2021-04-28 15:09:18,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 180 transitions, 794 flow [2021-04-28 15:09:19,290 INFO L129 PetriNetUnfolder]: 716/3436 cut-off events. [2021-04-28 15:09:19,290 INFO L130 PetriNetUnfolder]: For 678/1017 co-relation queries the response was YES. [2021-04-28 15:09:19,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6197 conditions, 3436 events. 716/3436 cut-off events. For 678/1017 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 37847 event pairs, 77 based on Foata normal form. 9/942 useless extension candidates. Maximal degree in co-relation 6003. Up to 757 conditions per place. [2021-04-28 15:09:19,357 INFO L146 LiptonReduction]: Number of co-enabled transitions 12086 [2021-04-28 15:09:19,593 INFO L158 LiptonReduction]: Checked pairs total: 7532 [2021-04-28 15:09:19,594 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:09:19,594 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 703 [2021-04-28 15:09:19,596 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 180 transitions, 794 flow [2021-04-28 15:09:19,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 309.14285714285717) internal successors, (2164), 7 states have internal predecessors, (2164), 0 states have call successors, (0), 0 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 15:09:19,599 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:09:19,599 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:09:19,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 15:09:19,813 INFO L428 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:09:19,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:09:19,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1551223466, now seen corresponding path program 1 times [2021-04-28 15:09:19,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:09:19,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058922007] [2021-04-28 15:09:19,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:09:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:09:19,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:19,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:19,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:19,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:09:19,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:19,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:19,922 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 15:09:19,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058922007] [2021-04-28 15:09:19,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:09:19,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 15:09:19,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279191018] [2021-04-28 15:09:19,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:09:19,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:09:19,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:09:19,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:09:19,927 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 445 [2021-04-28 15:09:19,929 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 180 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 324.0) internal successors, (972), 3 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:09:19,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:09:19,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 445 [2021-04-28 15:09:19,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:09:20,348 INFO L129 PetriNetUnfolder]: 203/1396 cut-off events. [2021-04-28 15:09:20,348 INFO L130 PetriNetUnfolder]: For 196/196 co-relation queries the response was YES. [2021-04-28 15:09:20,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2812 conditions, 1396 events. 203/1396 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 12371 event pairs, 4 based on Foata normal form. 120/481 useless extension candidates. Maximal degree in co-relation 2733. Up to 436 conditions per place. [2021-04-28 15:09:20,358 INFO L132 encePairwiseOnDemand]: 421/445 looper letters, 1 selfloop transitions, 29 changer transitions 60/163 dead transitions. [2021-04-28 15:09:20,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 163 transitions, 730 flow [2021-04-28 15:09:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:09:20,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:09:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1012 transitions. [2021-04-28 15:09:20,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7580524344569288 [2021-04-28 15:09:20,366 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1012 transitions. [2021-04-28 15:09:20,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1012 transitions. [2021-04-28 15:09:20,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:09:20,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1012 transitions. [2021-04-28 15:09:20,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 0 states have call successors, (0), 0 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 15:09:20,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 445.0) internal successors, (1780), 4 states have internal predecessors, (1780), 0 states have call successors, (0), 0 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 15:09:20,377 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 445.0) internal successors, (1780), 4 states have internal predecessors, (1780), 0 states have call successors, (0), 0 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 15:09:20,377 INFO L185 Difference]: Start difference. First operand has 138 places, 180 transitions, 794 flow. Second operand 3 states and 1012 transitions. [2021-04-28 15:09:20,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 163 transitions, 730 flow [2021-04-28 15:09:20,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 163 transitions, 723 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-04-28 15:09:20,386 INFO L241 Difference]: Finished difference. Result has 138 places, 103 transitions, 406 flow [2021-04-28 15:09:20,386 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=659, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=138, PETRI_TRANSITIONS=103} [2021-04-28 15:09:20,386 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -29 predicate places. [2021-04-28 15:09:20,386 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:09:20,387 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 103 transitions, 406 flow [2021-04-28 15:09:20,387 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 103 transitions, 406 flow [2021-04-28 15:09:20,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 103 transitions, 406 flow [2021-04-28 15:09:20,481 INFO L129 PetriNetUnfolder]: 99/742 cut-off events. [2021-04-28 15:09:20,482 INFO L130 PetriNetUnfolder]: For 141/141 co-relation queries the response was YES. [2021-04-28 15:09:20,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1326 conditions, 742 events. 99/742 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5679 event pairs, 4 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 1249. Up to 228 conditions per place. [2021-04-28 15:09:20,494 INFO L146 LiptonReduction]: Number of co-enabled transitions 2806 [2021-04-28 15:09:21,771 INFO L158 LiptonReduction]: Checked pairs total: 198 [2021-04-28 15:09:21,772 INFO L160 LiptonReduction]: Total number of compositions: 11 [2021-04-28 15:09:21,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1386 [2021-04-28 15:09:21,775 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 408 flow [2021-04-28 15:09:21,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 324.0) internal successors, (972), 3 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:09:21,776 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:09:21,776 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:09:21,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 15:09:21,777 INFO L428 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:09:21,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:09:21,777 INFO L82 PathProgramCache]: Analyzing trace with hash -847340878, now seen corresponding path program 1 times [2021-04-28 15:09:21,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:09:21,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890363403] [2021-04-28 15:09:21,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:09:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:09:21,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:21,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:21,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:21,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:21,851 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-04-28 15:09:21,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 15:09:21,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:21,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:21,871 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 15:09:21,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890363403] [2021-04-28 15:09:21,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:09:21,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 15:09:21,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568322450] [2021-04-28 15:09:21,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 15:09:21,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:09:21,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 15:09:21,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-28 15:09:21,877 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 456 [2021-04-28 15:09:21,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 104 transitions, 408 flow. Second operand has 5 states, 5 states have (on average 308.6) internal successors, (1543), 5 states have internal predecessors, (1543), 0 states have call successors, (0), 0 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 15:09:21,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:09:21,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 456 [2021-04-28 15:09:21,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:09:22,491 INFO L129 PetriNetUnfolder]: 111/969 cut-off events. [2021-04-28 15:09:22,491 INFO L130 PetriNetUnfolder]: For 362/362 co-relation queries the response was YES. [2021-04-28 15:09:22,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1938 conditions, 969 events. 111/969 cut-off events. For 362/362 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 7801 event pairs, 4 based on Foata normal form. 12/454 useless extension candidates. Maximal degree in co-relation 1834. Up to 278 conditions per place. [2021-04-28 15:09:22,497 INFO L132 encePairwiseOnDemand]: 446/456 looper letters, 39 selfloop transitions, 17 changer transitions 20/142 dead transitions. [2021-04-28 15:09:22,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 142 transitions, 686 flow [2021-04-28 15:09:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 15:09:22,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 15:09:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1902 transitions. [2021-04-28 15:09:22,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6951754385964912 [2021-04-28 15:09:22,508 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1902 transitions. [2021-04-28 15:09:22,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1902 transitions. [2021-04-28 15:09:22,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:09:22,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1902 transitions. [2021-04-28 15:09:22,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 317.0) internal successors, (1902), 6 states have internal predecessors, (1902), 0 states have call successors, (0), 0 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 15:09:22,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 0 states have call successors, (0), 0 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 15:09:22,524 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 0 states have call successors, (0), 0 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 15:09:22,524 INFO L185 Difference]: Start difference. First operand has 96 places, 104 transitions, 408 flow. Second operand 6 states and 1902 transitions. [2021-04-28 15:09:22,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 142 transitions, 686 flow [2021-04-28 15:09:22,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 142 transitions, 649 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-04-28 15:09:22,530 INFO L241 Difference]: Finished difference. Result has 102 places, 107 transitions, 468 flow [2021-04-28 15:09:22,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=468, PETRI_PLACES=102, PETRI_TRANSITIONS=107} [2021-04-28 15:09:22,530 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -65 predicate places. [2021-04-28 15:09:22,530 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:09:22,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 107 transitions, 468 flow [2021-04-28 15:09:22,531 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 107 transitions, 468 flow [2021-04-28 15:09:22,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 107 transitions, 468 flow [2021-04-28 15:09:22,655 INFO L129 PetriNetUnfolder]: 111/925 cut-off events. [2021-04-28 15:09:22,655 INFO L130 PetriNetUnfolder]: For 363/363 co-relation queries the response was YES. [2021-04-28 15:09:22,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1441 conditions, 925 events. 111/925 cut-off events. For 363/363 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 7400 event pairs, 4 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 1336. Up to 93 conditions per place. [2021-04-28 15:09:22,670 INFO L146 LiptonReduction]: Number of co-enabled transitions 2962 [2021-04-28 15:09:23,009 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 15:09:23,124 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:09:23,246 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:09:23,553 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 15:09:23,667 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 15:09:23,974 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 15:09:24,082 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 15:09:24,384 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:09:24,493 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:09:24,597 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 15:09:24,807 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 15:09:24,919 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 15:09:25,403 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 15:09:25,629 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:09:25,755 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:09:25,956 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 15:09:26,075 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 15:09:26,190 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 15:09:26,301 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 15:09:26,501 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:09:26,608 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:09:26,712 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 15:09:26,922 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 15:09:27,779 INFO L158 LiptonReduction]: Checked pairs total: 232 [2021-04-28 15:09:27,779 INFO L160 LiptonReduction]: Total number of compositions: 14 [2021-04-28 15:09:27,780 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5250 [2021-04-28 15:09:27,783 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 107 transitions, 482 flow [2021-04-28 15:09:27,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 308.6) internal successors, (1543), 5 states have internal predecessors, (1543), 0 states have call successors, (0), 0 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 15:09:27,784 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:09:27,784 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:09:27,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 15:09:27,785 INFO L428 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:09:27,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:09:27,785 INFO L82 PathProgramCache]: Analyzing trace with hash -669665479, now seen corresponding path program 1 times [2021-04-28 15:09:27,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:09:27,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43305427] [2021-04-28 15:09:27,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:09:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:09:27,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:27,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 15:09:28,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:28,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-28 15:09:28,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:28,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-28 15:09:28,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:28,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-04-28 15:09:28,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:28,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-28 15:09:28,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:28,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 15:09:28,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:28,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 15:09:28,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:28,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 15:09:28,603 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 15:09:28,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43305427] [2021-04-28 15:09:28,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:09:28,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-28 15:09:28,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40570504] [2021-04-28 15:09:28,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-28 15:09:28,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:09:28,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-28 15:09:28,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-04-28 15:09:28,610 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 470 [2021-04-28 15:09:28,612 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 107 transitions, 482 flow. Second operand has 10 states, 10 states have (on average 194.3) internal successors, (1943), 10 states have internal predecessors, (1943), 0 states have call successors, (0), 0 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 15:09:28,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:09:28,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 470 [2021-04-28 15:09:28,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:09:30,024 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2021-04-28 15:09:30,401 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2021-04-28 15:09:32,000 INFO L129 PetriNetUnfolder]: 1806/5271 cut-off events. [2021-04-28 15:09:32,001 INFO L130 PetriNetUnfolder]: For 2617/2627 co-relation queries the response was YES. [2021-04-28 15:09:32,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11372 conditions, 5271 events. 1806/5271 cut-off events. For 2617/2627 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 50933 event pairs, 297 based on Foata normal form. 2/2654 useless extension candidates. Maximal degree in co-relation 3002. Up to 1938 conditions per place. [2021-04-28 15:09:32,055 INFO L132 encePairwiseOnDemand]: 451/470 looper letters, 123 selfloop transitions, 24 changer transitions 39/236 dead transitions. [2021-04-28 15:09:32,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 236 transitions, 1333 flow [2021-04-28 15:09:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 15:09:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 15:09:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1715 transitions. [2021-04-28 15:09:32,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45611702127659576 [2021-04-28 15:09:32,065 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1715 transitions. [2021-04-28 15:09:32,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1715 transitions. [2021-04-28 15:09:32,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:09:32,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1715 transitions. [2021-04-28 15:09:32,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 214.375) internal successors, (1715), 8 states have internal predecessors, (1715), 0 states have call successors, (0), 0 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 15:09:32,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 470.0) internal successors, (4230), 9 states have internal predecessors, (4230), 0 states have call successors, (0), 0 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 15:09:32,084 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 470.0) internal successors, (4230), 9 states have internal predecessors, (4230), 0 states have call successors, (0), 0 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 15:09:32,084 INFO L185 Difference]: Start difference. First operand has 100 places, 107 transitions, 482 flow. Second operand 8 states and 1715 transitions. [2021-04-28 15:09:32,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 236 transitions, 1333 flow [2021-04-28 15:09:32,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 236 transitions, 1314 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-04-28 15:09:32,095 INFO L241 Difference]: Finished difference. Result has 109 places, 128 transitions, 661 flow [2021-04-28 15:09:32,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=470, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=661, PETRI_PLACES=109, PETRI_TRANSITIONS=128} [2021-04-28 15:09:32,096 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -58 predicate places. [2021-04-28 15:09:32,096 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:09:32,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 128 transitions, 661 flow [2021-04-28 15:09:32,097 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 128 transitions, 661 flow [2021-04-28 15:09:32,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 128 transitions, 661 flow [2021-04-28 15:09:32,258 INFO L129 PetriNetUnfolder]: 177/1363 cut-off events. [2021-04-28 15:09:32,259 INFO L130 PetriNetUnfolder]: For 887/888 co-relation queries the response was YES. [2021-04-28 15:09:32,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2564 conditions, 1363 events. 177/1363 cut-off events. For 887/888 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 12985 event pairs, 12 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 2397. Up to 147 conditions per place. [2021-04-28 15:09:32,313 INFO L146 LiptonReduction]: Number of co-enabled transitions 3648 [2021-04-28 15:09:32,326 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 15:09:32,326 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:09:32,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 231 [2021-04-28 15:09:32,330 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 128 transitions, 661 flow [2021-04-28 15:09:32,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 194.3) internal successors, (1943), 10 states have internal predecessors, (1943), 0 states have call successors, (0), 0 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 15:09:32,331 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:09:32,332 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:09:32,332 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 15:09:32,332 INFO L428 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:09:32,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:09:32,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1057310972, now seen corresponding path program 1 times [2021-04-28 15:09:32,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:09:32,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611991847] [2021-04-28 15:09:32,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:09:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:09:32,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:09:32,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611991847] [2021-04-28 15:09:32,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416661612] [2021-04-28 15:09:32,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 15:09:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:09:32,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-28 15:09:32,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-28 15:09:32,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:09:32,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:09:32,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:09:32,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-28 15:09:32,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:09:32,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:09:32,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 15:09:32,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:09:32,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:09:32,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 15:09:32,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:09:32,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:09:32,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:09:32,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-28 15:09:32,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:09:32,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:09:32,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 15:09:32,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:09:32,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:09:32,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 15:09:32,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:09:32,820 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-04-28 15:09:32,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:32,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:32,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:32,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:09:32,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:09:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:09:32,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-28 15:09:32,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-28 15:09:32,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39413933] [2021-04-28 15:09:32,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-28 15:09:32,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:09:32,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-28 15:09:32,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-04-28 15:09:32,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 470 [2021-04-28 15:09:32,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 128 transitions, 661 flow. Second operand has 9 states, 9 states have (on average 309.55555555555554) internal successors, (2786), 9 states have internal predecessors, (2786), 0 states have call successors, (0), 0 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 15:09:32,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:09:32,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 470 [2021-04-28 15:09:32,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:09:33,751 INFO L129 PetriNetUnfolder]: 185/1592 cut-off events. [2021-04-28 15:09:33,752 INFO L130 PetriNetUnfolder]: For 1685/1685 co-relation queries the response was YES. [2021-04-28 15:09:33,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3407 conditions, 1592 events. 185/1592 cut-off events. For 1685/1685 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 14360 event pairs, 16 based on Foata normal form. 9/737 useless extension candidates. Maximal degree in co-relation 3219. Up to 162 conditions per place. [2021-04-28 15:09:33,783 INFO L132 encePairwiseOnDemand]: 456/470 looper letters, 77 selfloop transitions, 30 changer transitions 22/201 dead transitions. [2021-04-28 15:09:33,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 201 transitions, 1318 flow [2021-04-28 15:09:33,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-28 15:09:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-28 15:09:33,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3800 transitions. [2021-04-28 15:09:33,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6737588652482269 [2021-04-28 15:09:33,801 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3800 transitions. [2021-04-28 15:09:33,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3800 transitions. [2021-04-28 15:09:33,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:09:33,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3800 transitions. [2021-04-28 15:09:33,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 316.6666666666667) internal successors, (3800), 12 states have internal predecessors, (3800), 0 states have call successors, (0), 0 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 15:09:33,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 470.0) internal successors, (6110), 13 states have internal predecessors, (6110), 0 states have call successors, (0), 0 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 15:09:33,845 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 470.0) internal successors, (6110), 13 states have internal predecessors, (6110), 0 states have call successors, (0), 0 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 15:09:33,845 INFO L185 Difference]: Start difference. First operand has 107 places, 128 transitions, 661 flow. Second operand 12 states and 3800 transitions. [2021-04-28 15:09:33,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 201 transitions, 1318 flow [2021-04-28 15:09:33,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 201 transitions, 1304 flow, removed 7 selfloop flow, removed 0 redundant places. [2021-04-28 15:09:33,857 INFO L241 Difference]: Finished difference. Result has 122 places, 142 transitions, 889 flow [2021-04-28 15:09:33,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=470, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=889, PETRI_PLACES=122, PETRI_TRANSITIONS=142} [2021-04-28 15:09:33,858 INFO L343 CegarLoopForPetriNet]: 167 programPoint places, -45 predicate places. [2021-04-28 15:09:33,858 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:09:33,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 142 transitions, 889 flow [2021-04-28 15:09:33,858 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 142 transitions, 889 flow [2021-04-28 15:09:33,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 142 transitions, 889 flow [2021-04-28 15:09:34,055 INFO L129 PetriNetUnfolder]: 183/1621 cut-off events. [2021-04-28 15:09:34,055 INFO L130 PetriNetUnfolder]: For 1731/1731 co-relation queries the response was YES. [2021-04-28 15:09:34,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3178 conditions, 1621 events. 183/1621 cut-off events. For 1731/1731 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 15142 event pairs, 16 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 3067. Up to 154 conditions per place. [2021-04-28 15:09:34,086 INFO L146 LiptonReduction]: Number of co-enabled transitions 3990 [2021-04-28 15:09:34,105 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 15:09:34,105 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:09:34,106 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 248 [2021-04-28 15:09:34,108 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 142 transitions, 889 flow [2021-04-28 15:09:34,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 309.55555555555554) internal successors, (2786), 9 states have internal predecessors, (2786), 0 states have call successors, (0), 0 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 15:09:34,109 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:09:34,109 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:09:34,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 15:09:34,323 INFO L428 AbstractCegarLoop]: === Iteration 9 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:09:34,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:09:34,325 INFO L82 PathProgramCache]: Analyzing trace with hash -804384152, now seen corresponding path program 1 times [2021-04-28 15:09:34,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:09:34,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622819719] [2021-04-28 15:09:34,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:09:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:09:34,375 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:09:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:09:34,426 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:09:34,457 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 15:09:34,457 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 15:09:34,457 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 15:09:34,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 03:09:34 BasicIcfg [2021-04-28 15:09:34,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 15:09:34,523 INFO L168 Benchmark]: Toolchain (without parser) took 94780.29 ms. Allocated memory was 302.0 MB in the beginning and 641.7 MB in the end (delta: 339.7 MB). Free memory was 272.4 MB in the beginning and 280.2 MB in the end (delta: -7.8 MB). Peak memory consumption was 330.4 MB. Max. memory is 16.0 GB. [2021-04-28 15:09:34,523 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 272.1 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 15:09:34,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.73 ms. Allocated memory is still 302.0 MB. Free memory was 269.3 MB in the beginning and 239.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-04-28 15:09:34,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.62 ms. Allocated memory is still 302.0 MB. Free memory was 239.8 MB in the beginning and 237.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 15:09:34,524 INFO L168 Benchmark]: Boogie Preprocessor took 36.66 ms. Allocated memory is still 302.0 MB. Free memory was 237.7 MB in the beginning and 235.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 15:09:34,524 INFO L168 Benchmark]: RCFGBuilder took 709.44 ms. Allocated memory is still 302.0 MB. Free memory was 235.6 MB in the beginning and 202.1 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-04-28 15:09:34,524 INFO L168 Benchmark]: TraceAbstraction took 92930.76 ms. Allocated memory was 302.0 MB in the beginning and 641.7 MB in the end (delta: 339.7 MB). Free memory was 202.1 MB in the beginning and 280.2 MB in the end (delta: -78.2 MB). Peak memory consumption was 263.7 MB. Max. memory is 16.0 GB. [2021-04-28 15:09:34,525 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 272.1 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 960.73 ms. Allocated memory is still 302.0 MB. Free memory was 269.3 MB in the beginning and 239.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 100.62 ms. Allocated memory is still 302.0 MB. Free memory was 239.8 MB in the beginning and 237.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 36.66 ms. Allocated memory is still 302.0 MB. Free memory was 237.7 MB in the beginning and 235.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 709.44 ms. Allocated memory is still 302.0 MB. Free memory was 235.6 MB in the beginning and 202.1 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 92930.76 ms. Allocated memory was 302.0 MB in the beginning and 641.7 MB in the end (delta: 339.7 MB). Free memory was 202.1 MB in the beginning and 280.2 MB in the end (delta: -78.2 MB). Peak memory consumption was 263.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70918.0ms, 135 PlacesBefore, 167 PlacesAfterwards, 139 TransitionsBefore, 167 TransitionsAfterwards, 6764 CoEnabledTransitionPairs, 8 FixpointIterations, 104 TrivialSequentialCompositions, 173 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 8 ChoiceCompositions, 294 TotalNumberOfCompositions, 50225 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21809, positive: 21209, positive conditional: 21209, positive unconditional: 0, negative: 600, negative conditional: 600, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7885, positive: 7773, positive conditional: 0, positive unconditional: 7773, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7885, positive: 7773, positive conditional: 0, positive unconditional: 7773, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7885, positive: 7735, positive conditional: 0, positive unconditional: 7735, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 729, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 620, negative conditional: 0, negative unconditional: 620, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21809, positive: 13436, positive conditional: 13436, positive unconditional: 0, negative: 488, negative conditional: 488, negative unconditional: 0, unknown: 7885, unknown conditional: 7885, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 7679, Positive cache size: 7567, Positive conditional cache size: 7567, Positive unconditional cache size: 0, Negative cache size: 112, Negative conditional cache size: 112, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 405.9ms, 164 PlacesBefore, 127 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 9350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 6812 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1902, positive: 1803, positive conditional: 1803, positive unconditional: 0, negative: 99, negative conditional: 99, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 118, positive: 99, positive conditional: 29, positive unconditional: 70, negative: 19, negative conditional: 7, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 118, positive: 99, positive conditional: 29, positive unconditional: 70, negative: 19, negative conditional: 7, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 118, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 19, negative conditional: 7, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 156, negative conditional: 64, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1902, positive: 1704, positive conditional: 1704, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 118, unknown conditional: 118, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 7797, Positive cache size: 7666, Positive conditional cache size: 7666, Positive unconditional cache size: 0, Negative cache size: 131, Negative conditional cache size: 131, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 261.6ms, 128 PlacesBefore, 128 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 8914 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 5196 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1546, positive: 1470, positive conditional: 1470, positive unconditional: 0, negative: 76, negative conditional: 76, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 57, positive conditional: 1, positive unconditional: 56, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 57, positive conditional: 1, positive unconditional: 56, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 12, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1546, positive: 1413, positive conditional: 1413, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 66, unknown conditional: 66, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 7863, Positive cache size: 7723, Positive conditional cache size: 7723, Positive unconditional cache size: 0, Negative cache size: 140, Negative conditional cache size: 140, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 400.2ms, 130 PlacesBefore, 130 PlacesAfterwards, 150 TransitionsBefore, 150 TransitionsAfterwards, 10302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 5894 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2061, positive: 1982, positive conditional: 1982, positive unconditional: 0, negative: 79, negative conditional: 79, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, positive: 62, positive conditional: 23, positive unconditional: 39, negative: 6, negative conditional: 3, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 68, positive: 62, positive conditional: 23, positive unconditional: 39, negative: 6, negative conditional: 3, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 68, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 9, positive conditional: 4, positive unconditional: 5, negative: 6, negative conditional: 3, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 49, positive conditional: 23, positive unconditional: 26, negative: 78, negative conditional: 45, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2061, positive: 1920, positive conditional: 1920, positive unconditional: 0, negative: 73, negative conditional: 73, negative unconditional: 0, unknown: 68, unknown conditional: 68, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 7931, Positive cache size: 7785, Positive conditional cache size: 7785, Positive unconditional cache size: 0, Negative cache size: 146, Negative conditional cache size: 146, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 701.7ms, 138 PlacesBefore, 138 PlacesAfterwards, 180 TransitionsBefore, 180 TransitionsAfterwards, 12086 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 7532 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3011, positive: 2921, positive conditional: 2921, positive unconditional: 0, negative: 90, negative conditional: 90, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 106, positive: 99, positive conditional: 82, positive unconditional: 17, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 106, positive: 99, positive conditional: 82, positive unconditional: 17, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 106, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 95, negative conditional: 95, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3011, positive: 2822, positive conditional: 2822, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 106, unknown conditional: 106, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8037, Positive cache size: 7884, Positive conditional cache size: 7884, Positive unconditional cache size: 0, Negative cache size: 153, Negative conditional cache size: 153, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1384.8ms, 138 PlacesBefore, 96 PlacesAfterwards, 103 TransitionsBefore, 104 TransitionsAfterwards, 2806 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 198 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 170, positive: 168, positive conditional: 168, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, positive: 62, positive conditional: 18, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 63, positive: 62, positive conditional: 18, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 63, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 170, positive: 106, positive conditional: 106, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8100, Positive cache size: 7946, Positive conditional cache size: 7946, Positive unconditional cache size: 0, Negative cache size: 154, Negative conditional cache size: 154, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5248.5ms, 102 PlacesBefore, 100 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 2962 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 232 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 232, positive: 232, positive conditional: 232, 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: 44, positive: 44, positive conditional: 0, positive unconditional: 44, 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: 44, positive: 44, positive conditional: 0, positive unconditional: 44, 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: 44, positive: 44, positive conditional: 0, positive unconditional: 44, 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: 232, positive: 188, positive conditional: 188, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8144, Positive cache size: 7990, Positive conditional cache size: 7990, Positive unconditional cache size: 0, Negative cache size: 154, Negative conditional cache size: 154, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 229.4ms, 109 PlacesBefore, 107 PlacesAfterwards, 128 TransitionsBefore, 128 TransitionsAfterwards, 3648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 8144, Positive cache size: 7990, Positive conditional cache size: 7990, Positive unconditional cache size: 0, Negative cache size: 154, Negative conditional cache size: 154, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.1ms, 122 PlacesBefore, 121 PlacesAfterwards, 142 TransitionsBefore, 142 TransitionsAfterwards, 3990 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 8144, Positive cache size: 7990, Positive conditional cache size: 7990, Positive unconditional cache size: 0, Negative cache size: 154, Negative conditional cache size: 154, Negative unconditional cache size: 0 - CounterExampleResult [Line: 940]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L935] 0 static int top=0; [L936] 0 static unsigned int arr[(400)]; [L937] 0 pthread_mutex_t m; [L938] 0 _Bool flag=(0); [L1019] 0 pthread_t id1, id2; [L1021] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={6:0}, flag=0, m={3:0}, top=0] [L988] 1 int i; [L989] 1 unsigned int tmp; [L990] 1 i=0 VAL [arr={6:0}, flag=0, m={3:0}, top=0] [L990] COND TRUE 1 i<(400) [L993] 1 tmp = __VERIFIER_nondet_uint() [L23] COND FALSE 1 !(!cond) [L960] COND FALSE 1 !(top==(400)) VAL [arr={6:0}, flag=0, m={3:0}, top=0] [L952] 1 return top; [L967] 1 stack[get_top()] = x [L944] 1 top++ [L970] 1 return 0; VAL [arr={6:0}, flag=0, m={3:0}, top=1] [L1022] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={6:0}, flag=0, m={3:0}, top=1] [L1004] 2 int i; [L1005] 2 i=0 VAL [arr={6:0}, flag=0, m={3:0}, top=1] [L995] COND FALSE 1 !(push(arr,tmp)==(-1)) [L997] 1 flag=(1) VAL [arr={6:0}, flag=1, m={3:0}, top=1] [L1005] COND TRUE 2 i<(400) [L1008] COND TRUE 2 \read(flag) [L952] 2 return top; [L974] COND FALSE 2 !(get_top()==0) [L948] 2 top-- [L952] 2 return top; [L982] EXPR 2 stack[get_top()] [L982] 2 return stack[get_top()]; [L1010] COND FALSE 2 !(!(pop(arr)!=(-2))) [L1005] 2 i++ VAL [arr={6:0}, flag=1, m={3:0}, top=0] [L1005] COND TRUE 2 i<(400) [L1008] COND TRUE 2 \read(flag) [L952] 2 return top; [L974] COND TRUE 2 get_top()==0 [L977] 2 return (-2); [L1010] COND TRUE 2 !(pop(arr)!=(-2)) [L940] 2 reach_error() VAL [arr={6:0}, flag=1, m={3:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 140 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 92646.9ms, OverallIterations: 9, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 9335.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 71094.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 150 SDtfs, 453 SDslu, 76 SDs, 0 SdLazy, 1118 SolverSat, 199 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2339.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1612.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=889occurred in iteration=8, InterpolantAutomatonStates: 45, 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: 66.3ms SsaConstructionTime, 358.6ms SatisfiabilityAnalysisTime, 1951.5ms InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 1034 SizeOfPredicates, 3 NumberOfNonLiveVariables, 351 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 6/24 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...