/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 12:54:42,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 12:54:42,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 12:54:42,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 12:54:42,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 12:54:42,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 12:54:42,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 12:54:42,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 12:54:42,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 12:54:42,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 12:54:42,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 12:54:42,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 12:54:42,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 12:54:42,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 12:54:42,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 12:54:42,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 12:54:42,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 12:54:42,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 12:54:42,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 12:54:42,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 12:54:42,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 12:54:42,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 12:54:42,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 12:54:42,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 12:54:42,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 12:54:42,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 12:54:42,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 12:54:42,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 12:54:42,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 12:54:42,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 12:54:42,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 12:54:42,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 12:54:42,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 12:54:42,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 12:54:42,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 12:54:42,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 12:54:42,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 12:54:42,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 12:54:42,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 12:54:42,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 12:54:42,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 12:54:42,817 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-RepeatedSemanticLbe.epf [2021-03-25 12:54:42,851 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 12:54:42,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 12:54:42,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 12:54:42,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 12:54:42,855 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 12:54:42,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 12:54:42,855 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 12:54:42,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 12:54:42,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 12:54:42,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 12:54:42,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 12:54:42,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 12:54:42,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 12:54:42,857 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 12:54:42,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 12:54:42,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 12:54:42,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 12:54:42,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 12:54:42,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 12:54:42,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 12:54:42,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 12:54:42,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 12:54:42,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 12:54:42,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 12:54:42,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 12:54:42,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 12:54:42,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 12:54:42,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 12:54:42,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 12:54:42,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 12:54:43,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 12:54:43,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 12:54:43,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 12:54:43,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 12:54:43,184 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 12:54:43,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2021-03-25 12:54:43,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a3d6dd1/c34af944ecab4dc6ae1101ba651b6669/FLAG28443ae96 [2021-03-25 12:54:43,814 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 12:54:43,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2021-03-25 12:54:43,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a3d6dd1/c34af944ecab4dc6ae1101ba651b6669/FLAG28443ae96 [2021-03-25 12:54:44,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a3d6dd1/c34af944ecab4dc6ae1101ba651b6669 [2021-03-25 12:54:44,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 12:54:44,261 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 12:54:44,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 12:54:44,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 12:54:44,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 12:54:44,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3b6e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44, skipping insertion in model container [2021-03-25 12:54:44,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 12:54:44,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 12:54:44,613 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] [2021-03-25 12:54:44,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 12:54:44,638 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 12:54:44,664 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] [2021-03-25 12:54:44,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 12:54:44,780 INFO L208 MainTranslator]: Completed translation [2021-03-25 12:54:44,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44 WrapperNode [2021-03-25 12:54:44,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 12:54:44,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 12:54:44,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 12:54:44,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 12:54:44,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 12:54:44,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 12:54:44,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 12:54:44,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 12:54:44,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (1/1) ... [2021-03-25 12:54:44,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 12:54:44,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 12:54:44,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 12:54:44,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 12:54:44,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 12:54:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-03-25 12:54:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-03-25 12:54:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-03-25 12:54:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-03-25 12:54:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 12:54:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 12:54:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 12:54:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 12:54:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-25 12:54:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 12:54:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 12:54:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 12:54:44,909 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 12:54:45,325 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 12:54:45,325 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-03-25 12:54:45,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 12:54:45 BoogieIcfgContainer [2021-03-25 12:54:45,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 12:54:45,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 12:54:45,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 12:54:45,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 12:54:45,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 12:54:44" (1/3) ... [2021-03-25 12:54:45,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7936b397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 12:54:45, skipping insertion in model container [2021-03-25 12:54:45,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 12:54:44" (2/3) ... [2021-03-25 12:54:45,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7936b397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 12:54:45, skipping insertion in model container [2021-03-25 12:54:45,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 12:54:45" (3/3) ... [2021-03-25 12:54:45,334 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2021-03-25 12:54:45,341 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 12:54:45,346 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 12:54:45,346 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 12:54:45,397 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,398 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,398 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,398 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,399 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,406 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,406 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,406 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,406 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,409 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,409 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,409 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,412 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,423 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,428 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,428 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,428 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,428 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,428 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,430 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,430 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,430 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,430 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,432 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,432 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,432 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,432 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,433 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,433 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,433 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,433 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,433 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,433 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,433 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,434 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,434 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,434 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,434 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,434 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,436 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,436 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,438 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,446 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,446 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,446 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,446 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,447 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,449 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,451 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,455 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,455 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,455 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,456 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,458 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,465 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,466 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,467 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,467 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,467 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,467 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,467 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 12:54:45,475 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 12:54:45,492 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 12:54:45,519 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 12:54:45,519 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 12:54:45,519 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 12:54:45,519 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 12:54:45,520 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 12:54:45,520 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 12:54:45,520 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 12:54:45,520 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 12:54:45,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 151 transitions, 324 flow [2021-03-25 12:54:45,624 INFO L129 PetriNetUnfolder]: 11/151 cut-off events. [2021-03-25 12:54:45,624 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 12:54:45,640 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. [2021-03-25 12:54:45,640 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 151 transitions, 324 flow [2021-03-25 12:54:45,644 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 139 transitions, 290 flow [2021-03-25 12:54:45,646 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 12:54:45,666 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 139 transitions, 290 flow [2021-03-25 12:54:45,669 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 139 transitions, 290 flow [2021-03-25 12:54:45,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 139 transitions, 290 flow [2021-03-25 12:54:45,694 INFO L129 PetriNetUnfolder]: 10/141 cut-off events. [2021-03-25 12:54:45,694 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 12:54:45,696 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. [2021-03-25 12:54:45,701 INFO L142 LiptonReduction]: Number of co-enabled transitions 6764 [2021-03-25 12:54:48,049 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2021-03-25 12:54:48,229 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2021-03-25 12:54:48,489 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-25 12:54:48,720 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-25 12:54:48,845 INFO L154 LiptonReduction]: Checked pairs total: 4952 [2021-03-25 12:54:48,845 INFO L156 LiptonReduction]: Total number of compositions: 88 [2021-03-25 12:54:48,847 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3202 [2021-03-25 12:54:48,858 INFO L129 PetriNetUnfolder]: 3/45 cut-off events. [2021-03-25 12:54:48,858 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 12:54:48,858 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:54:48,858 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:54:48,859 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 12:54:48,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:54:48,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1204099614, now seen corresponding path program 1 times [2021-03-25 12:54:48,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:54:48,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822111187] [2021-03-25 12:54:48,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:54:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:54:49,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:49,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:54:49,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:49,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:54:49,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:49,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:54:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:54:49,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822111187] [2021-03-25 12:54:49,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:54:49,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 12:54:49,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309559641] [2021-03-25 12:54:49,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 12:54:49,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:54:49,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 12:54:49,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 12:54:49,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 239 [2021-03-25 12:54:49,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 69 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:49,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:54:49,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 239 [2021-03-25 12:54:49,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:54:49,132 INFO L129 PetriNetUnfolder]: 11/146 cut-off events. [2021-03-25 12:54:49,132 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-25 12:54:49,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 146 events. 11/146 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 310 event pairs, 0 based on Foata normal form. 4/132 useless extension candidates. Maximal degree in co-relation 149. Up to 10 conditions per place. [2021-03-25 12:54:49,138 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 4 selfloop transitions, 2 changer transitions 0/69 dead transitions. [2021-03-25 12:54:49,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 69 transitions, 162 flow [2021-03-25 12:54:49,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 12:54:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 12:54:49,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2021-03-25 12:54:49,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.900976290097629 [2021-03-25 12:54:49,156 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 646 transitions. [2021-03-25 12:54:49,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 646 transitions. [2021-03-25 12:54:49,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:54:49,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 646 transitions. [2021-03-25 12:54:49,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:49,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:49,179 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:49,180 INFO L185 Difference]: Start difference. First operand has 68 places, 69 transitions, 150 flow. Second operand 3 states and 646 transitions. [2021-03-25 12:54:49,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 69 transitions, 162 flow [2021-03-25 12:54:49,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 69 transitions, 154 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 12:54:49,185 INFO L241 Difference]: Finished difference. Result has 67 places, 68 transitions, 150 flow [2021-03-25 12:54:49,187 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=67, PETRI_TRANSITIONS=68} [2021-03-25 12:54:49,187 INFO L343 CegarLoopForPetriNet]: 68 programPoint places, -1 predicate places. [2021-03-25 12:54:49,188 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 12:54:49,188 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 68 transitions, 150 flow [2021-03-25 12:54:49,188 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 68 transitions, 150 flow [2021-03-25 12:54:49,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 68 transitions, 150 flow [2021-03-25 12:54:49,210 INFO L129 PetriNetUnfolder]: 8/112 cut-off events. [2021-03-25 12:54:49,211 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 12:54:49,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 112 events. 8/112 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 183 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 102. Up to 6 conditions per place. [2021-03-25 12:54:49,214 INFO L142 LiptonReduction]: Number of co-enabled transitions 1948 [2021-03-25 12:54:49,787 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-03-25 12:54:49,954 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-03-25 12:54:50,251 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-03-25 12:54:50,390 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-03-25 12:54:50,404 INFO L154 LiptonReduction]: Checked pairs total: 1149 [2021-03-25 12:54:50,404 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 12:54:50,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1217 [2021-03-25 12:54:50,406 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 62 transitions, 138 flow [2021-03-25 12:54:50,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:50,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:54:50,406 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:54:50,406 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 12:54:50,407 INFO L428 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 12:54:50,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:54:50,407 INFO L82 PathProgramCache]: Analyzing trace with hash 948444222, now seen corresponding path program 1 times [2021-03-25 12:54:50,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:54:50,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66628762] [2021-03-25 12:54:50,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:54:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:54:50,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:50,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:54:50,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:50,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:54:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:54:50,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66628762] [2021-03-25 12:54:50,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:54:50,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 12:54:50,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174161349] [2021-03-25 12:54:50,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 12:54:50,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:54:50,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 12:54:50,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 12:54:50,508 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 245 [2021-03-25 12:54:50,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 62 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:50,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:54:50,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 245 [2021-03-25 12:54:50,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:54:50,544 INFO L129 PetriNetUnfolder]: 8/107 cut-off events. [2021-03-25 12:54:50,544 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 12:54:50,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 107 events. 8/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 160 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 115. Up to 14 conditions per place. [2021-03-25 12:54:50,545 INFO L132 encePairwiseOnDemand]: 242/245 looper letters, 7 selfloop transitions, 2 changer transitions 0/64 dead transitions. [2021-03-25 12:54:50,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 64 transitions, 160 flow [2021-03-25 12:54:50,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 12:54:50,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 12:54:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 649 transitions. [2021-03-25 12:54:50,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8829931972789116 [2021-03-25 12:54:50,547 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 649 transitions. [2021-03-25 12:54:50,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 649 transitions. [2021-03-25 12:54:50,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:54:50,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 649 transitions. [2021-03-25 12:54:50,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:50,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:50,551 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:50,551 INFO L185 Difference]: Start difference. First operand has 61 places, 62 transitions, 138 flow. Second operand 3 states and 649 transitions. [2021-03-25 12:54:50,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 64 transitions, 160 flow [2021-03-25 12:54:50,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 64 transitions, 158 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 12:54:50,553 INFO L241 Difference]: Finished difference. Result has 63 places, 63 transitions, 148 flow [2021-03-25 12:54:50,553 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2021-03-25 12:54:50,554 INFO L343 CegarLoopForPetriNet]: 68 programPoint places, -5 predicate places. [2021-03-25 12:54:50,554 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 12:54:50,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 63 transitions, 148 flow [2021-03-25 12:54:50,555 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 63 transitions, 148 flow [2021-03-25 12:54:50,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 63 transitions, 148 flow [2021-03-25 12:54:50,565 INFO L129 PetriNetUnfolder]: 8/107 cut-off events. [2021-03-25 12:54:50,565 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 12:54:50,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 107 events. 8/107 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 167 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 113. Up to 7 conditions per place. [2021-03-25 12:54:50,567 INFO L142 LiptonReduction]: Number of co-enabled transitions 1770 [2021-03-25 12:54:51,181 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 134 [2021-03-25 12:54:51,443 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-03-25 12:54:52,038 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 134 [2021-03-25 12:54:52,293 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-03-25 12:54:52,303 INFO L154 LiptonReduction]: Checked pairs total: 618 [2021-03-25 12:54:52,303 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 12:54:52,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1749 [2021-03-25 12:54:52,304 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 62 transitions, 146 flow [2021-03-25 12:54:52,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:54:52,305 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:54:52,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 12:54:52,305 INFO L428 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 12:54:52,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:54:52,306 INFO L82 PathProgramCache]: Analyzing trace with hash 453759812, now seen corresponding path program 1 times [2021-03-25 12:54:52,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:54:52,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695376298] [2021-03-25 12:54:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:54:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:54:52,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:52,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:54:52,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:52,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:54:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:54:52,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695376298] [2021-03-25 12:54:52,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:54:52,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 12:54:52,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537467148] [2021-03-25 12:54:52,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 12:54:52,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:54:52,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 12:54:52,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 12:54:52,400 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 246 [2021-03-25 12:54:52,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 62 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:54:52,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 246 [2021-03-25 12:54:52,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:54:52,449 INFO L129 PetriNetUnfolder]: 41/192 cut-off events. [2021-03-25 12:54:52,449 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-25 12:54:52,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 192 events. 41/192 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 620 event pairs, 20 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 265. Up to 56 conditions per place. [2021-03-25 12:54:52,451 INFO L132 encePairwiseOnDemand]: 243/246 looper letters, 12 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2021-03-25 12:54:52,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 66 transitions, 185 flow [2021-03-25 12:54:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 12:54:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 12:54:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 612 transitions. [2021-03-25 12:54:52,454 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8292682926829268 [2021-03-25 12:54:52,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 612 transitions. [2021-03-25 12:54:52,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 612 transitions. [2021-03-25 12:54:52,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:54:52,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 612 transitions. [2021-03-25 12:54:52,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 204.0) internal successors, (612), 3 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,458 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,458 INFO L185 Difference]: Start difference. First operand has 62 places, 62 transitions, 146 flow. Second operand 3 states and 612 transitions. [2021-03-25 12:54:52,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 66 transitions, 185 flow [2021-03-25 12:54:52,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 66 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 12:54:52,461 INFO L241 Difference]: Finished difference. Result has 64 places, 63 transitions, 158 flow [2021-03-25 12:54:52,461 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=64, PETRI_TRANSITIONS=63} [2021-03-25 12:54:52,461 INFO L343 CegarLoopForPetriNet]: 68 programPoint places, -4 predicate places. [2021-03-25 12:54:52,461 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 12:54:52,461 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 63 transitions, 158 flow [2021-03-25 12:54:52,462 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 63 transitions, 158 flow [2021-03-25 12:54:52,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 63 transitions, 158 flow [2021-03-25 12:54:52,472 INFO L129 PetriNetUnfolder]: 7/98 cut-off events. [2021-03-25 12:54:52,472 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 12:54:52,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 98 events. 7/98 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 150 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 100. Up to 6 conditions per place. [2021-03-25 12:54:52,474 INFO L142 LiptonReduction]: Number of co-enabled transitions 1796 [2021-03-25 12:54:52,482 INFO L154 LiptonReduction]: Checked pairs total: 336 [2021-03-25 12:54:52,482 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:54:52,482 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 12:54:52,485 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 63 transitions, 158 flow [2021-03-25 12:54:52,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:54:52,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:54:52,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 12:54:52,486 INFO L428 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 12:54:52,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:54:52,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1274386736, now seen corresponding path program 1 times [2021-03-25 12:54:52,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:54:52,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679027828] [2021-03-25 12:54:52,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:54:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:54:52,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:52,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:54:52,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:52,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:54:52,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:52,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:54:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:54:52,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679027828] [2021-03-25 12:54:52,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:54:52,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 12:54:52,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083072287] [2021-03-25 12:54:52,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 12:54:52,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:54:52,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 12:54:52,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 12:54:52,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 246 [2021-03-25 12:54:52,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 63 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:54:52,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 246 [2021-03-25 12:54:52,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:54:52,596 INFO L129 PetriNetUnfolder]: 8/127 cut-off events. [2021-03-25 12:54:52,596 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 12:54:52,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 127 events. 8/127 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 225 event pairs, 0 based on Foata normal form. 5/125 useless extension candidates. Maximal degree in co-relation 145. Up to 8 conditions per place. [2021-03-25 12:54:52,597 INFO L132 encePairwiseOnDemand]: 241/246 looper letters, 1 selfloop transitions, 5 changer transitions 1/63 dead transitions. [2021-03-25 12:54:52,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 63 transitions, 170 flow [2021-03-25 12:54:52,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 12:54:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 12:54:52,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2021-03-25 12:54:52,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8238482384823849 [2021-03-25 12:54:52,599 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 608 transitions. [2021-03-25 12:54:52,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 608 transitions. [2021-03-25 12:54:52,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:54:52,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 608 transitions. [2021-03-25 12:54:52,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,603 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,603 INFO L185 Difference]: Start difference. First operand has 64 places, 63 transitions, 158 flow. Second operand 3 states and 608 transitions. [2021-03-25 12:54:52,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 63 transitions, 170 flow [2021-03-25 12:54:52,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 63 transitions, 168 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 12:54:52,606 INFO L241 Difference]: Finished difference. Result has 65 places, 62 transitions, 164 flow [2021-03-25 12:54:52,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=65, PETRI_TRANSITIONS=62} [2021-03-25 12:54:52,606 INFO L343 CegarLoopForPetriNet]: 68 programPoint places, -3 predicate places. [2021-03-25 12:54:52,606 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 12:54:52,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 62 transitions, 164 flow [2021-03-25 12:54:52,607 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 62 transitions, 164 flow [2021-03-25 12:54:52,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 62 transitions, 164 flow [2021-03-25 12:54:52,618 INFO L129 PetriNetUnfolder]: 8/126 cut-off events. [2021-03-25 12:54:52,618 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 12:54:52,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 126 events. 8/126 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 223 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 143. Up to 8 conditions per place. [2021-03-25 12:54:52,620 INFO L142 LiptonReduction]: Number of co-enabled transitions 842 [2021-03-25 12:54:52,979 INFO L154 LiptonReduction]: Checked pairs total: 99 [2021-03-25 12:54:52,979 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 12:54:52,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 373 [2021-03-25 12:54:52,979 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 57 transitions, 158 flow [2021-03-25 12:54:52,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:52,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:54:52,980 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:54:52,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 12:54:52,980 INFO L428 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 12:54:52,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:54:52,981 INFO L82 PathProgramCache]: Analyzing trace with hash 2107173024, now seen corresponding path program 1 times [2021-03-25 12:54:52,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:54:52,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414674756] [2021-03-25 12:54:52,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:54:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:54:53,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:54:53,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:53,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:54:53,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:53,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:54:53,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:53,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:54:53,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:53,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:54:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:54:53,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414674756] [2021-03-25 12:54:53,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:54:53,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 12:54:53,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082647919] [2021-03-25 12:54:53,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 12:54:53,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:54:53,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 12:54:53,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 12:54:53,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 256 [2021-03-25 12:54:53,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 57 transitions, 158 flow. Second operand has 6 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:53,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:54:53,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 256 [2021-03-25 12:54:53,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:54:53,194 INFO L129 PetriNetUnfolder]: 37/326 cut-off events. [2021-03-25 12:54:53,194 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-25 12:54:53,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 326 events. 37/326 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1220 event pairs, 3 based on Foata normal form. 1/311 useless extension candidates. Maximal degree in co-relation 307. Up to 26 conditions per place. [2021-03-25 12:54:53,196 INFO L132 encePairwiseOnDemand]: 248/256 looper letters, 19 selfloop transitions, 8 changer transitions 1/72 dead transitions. [2021-03-25 12:54:53,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 72 transitions, 261 flow [2021-03-25 12:54:53,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 12:54:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 12:54:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 936 transitions. [2021-03-25 12:54:53,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.73125 [2021-03-25 12:54:53,198 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 936 transitions. [2021-03-25 12:54:53,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 936 transitions. [2021-03-25 12:54:53,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:54:53,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 936 transitions. [2021-03-25 12:54:53,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 187.2) internal successors, (936), 5 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:53,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 256.0) internal successors, (1536), 6 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:53,203 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 256.0) internal successors, (1536), 6 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:53,204 INFO L185 Difference]: Start difference. First operand has 59 places, 57 transitions, 158 flow. Second operand 5 states and 936 transitions. [2021-03-25 12:54:53,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 72 transitions, 261 flow [2021-03-25 12:54:53,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 72 transitions, 255 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 12:54:53,208 INFO L241 Difference]: Finished difference. Result has 65 places, 63 transitions, 222 flow [2021-03-25 12:54:53,208 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=222, PETRI_PLACES=65, PETRI_TRANSITIONS=63} [2021-03-25 12:54:53,208 INFO L343 CegarLoopForPetriNet]: 68 programPoint places, -3 predicate places. [2021-03-25 12:54:53,209 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 12:54:53,209 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 63 transitions, 222 flow [2021-03-25 12:54:53,209 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 63 transitions, 222 flow [2021-03-25 12:54:53,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 63 transitions, 222 flow [2021-03-25 12:54:53,230 INFO L129 PetriNetUnfolder]: 22/244 cut-off events. [2021-03-25 12:54:53,230 INFO L130 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2021-03-25 12:54:53,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 244 events. 22/244 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 815 event pairs, 1 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 315. Up to 17 conditions per place. [2021-03-25 12:54:53,233 INFO L142 LiptonReduction]: Number of co-enabled transitions 870 [2021-03-25 12:54:53,527 INFO L154 LiptonReduction]: Checked pairs total: 87 [2021-03-25 12:54:53,528 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 12:54:53,528 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 319 [2021-03-25 12:54:53,530 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 61 transitions, 216 flow [2021-03-25 12:54:53,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:53,531 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:54:53,531 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:54:53,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 12:54:53,531 INFO L428 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 12:54:53,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:54:53,532 INFO L82 PathProgramCache]: Analyzing trace with hash -236658825, now seen corresponding path program 1 times [2021-03-25 12:54:53,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:54:53,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381516389] [2021-03-25 12:54:53,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:54:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:54:53,795 INFO L142 QuantifierPusher]: treesize reduction 15, result has 87.2 percent of original size [2021-03-25 12:54:53,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-25 12:54:53,852 INFO L142 QuantifierPusher]: treesize reduction 15, result has 90.4 percent of original size [2021-03-25 12:54:53,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-03-25 12:54:53,931 INFO L142 QuantifierPusher]: treesize reduction 15, result has 90.4 percent of original size [2021-03-25 12:54:53,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-03-25 12:54:54,003 INFO L142 QuantifierPusher]: treesize reduction 24, result has 83.1 percent of original size [2021-03-25 12:54:54,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-25 12:54:54,084 INFO L142 QuantifierPusher]: treesize reduction 20, result has 86.6 percent of original size [2021-03-25 12:54:54,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-25 12:54:54,159 INFO L142 QuantifierPusher]: treesize reduction 20, result has 86.6 percent of original size [2021-03-25 12:54:54,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-25 12:54:54,230 INFO L142 QuantifierPusher]: treesize reduction 20, result has 86.6 percent of original size [2021-03-25 12:54:54,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-25 12:54:54,294 INFO L142 QuantifierPusher]: treesize reduction 27, result has 74.8 percent of original size [2021-03-25 12:54:54,296 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-03-25 12:54:54,346 INFO L142 QuantifierPusher]: treesize reduction 27, result has 74.8 percent of original size [2021-03-25 12:54:54,352 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-03-25 12:54:54,417 INFO L142 QuantifierPusher]: treesize reduction 91, result has 77.8 percent of original size [2021-03-25 12:54:54,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-03-25 12:54:54,511 INFO L142 QuantifierPusher]: treesize reduction 91, result has 77.8 percent of original size [2021-03-25 12:54:54,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-03-25 12:54:54,519 INFO L142 QuantifierPusher]: treesize reduction 91, result has 77.8 percent of original size [2021-03-25 12:54:54,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-03-25 12:54:54,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:54,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 12:54:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:54:54,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381516389] [2021-03-25 12:54:54,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:54:54,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 12:54:54,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814133314] [2021-03-25 12:54:54,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 12:54:54,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:54:54,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 12:54:54,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-03-25 12:54:54,636 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 265 [2021-03-25 12:54:54,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 61 transitions, 216 flow. Second operand has 14 states, 14 states have (on average 123.5) internal successors, (1729), 14 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:54,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:54:54,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 265 [2021-03-25 12:54:54,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:54:55,899 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2021-03-25 12:54:56,188 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-03-25 12:54:56,503 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-03-25 12:54:56,869 INFO L129 PetriNetUnfolder]: 685/2087 cut-off events. [2021-03-25 12:54:56,869 INFO L130 PetriNetUnfolder]: For 500/500 co-relation queries the response was YES. [2021-03-25 12:54:56,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4071 conditions, 2087 events. 685/2087 cut-off events. For 500/500 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 14016 event pairs, 154 based on Foata normal form. 0/1972 useless extension candidates. Maximal degree in co-relation 1468. Up to 590 conditions per place. [2021-03-25 12:54:56,881 INFO L132 encePairwiseOnDemand]: 248/265 looper letters, 111 selfloop transitions, 33 changer transitions 9/180 dead transitions. [2021-03-25 12:54:56,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 180 transitions, 854 flow [2021-03-25 12:54:56,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 12:54:56,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 12:54:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2469 transitions. [2021-03-25 12:54:56,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4903674280039722 [2021-03-25 12:54:56,888 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2469 transitions. [2021-03-25 12:54:56,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2469 transitions. [2021-03-25 12:54:56,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:54:56,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2469 transitions. [2021-03-25 12:54:56,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 129.94736842105263) internal successors, (2469), 19 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:56,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 265.0) internal successors, (5300), 20 states have internal predecessors, (5300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:56,904 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 265.0) internal successors, (5300), 20 states have internal predecessors, (5300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:56,904 INFO L185 Difference]: Start difference. First operand has 63 places, 61 transitions, 216 flow. Second operand 19 states and 2469 transitions. [2021-03-25 12:54:56,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 180 transitions, 854 flow [2021-03-25 12:54:56,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 180 transitions, 846 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-03-25 12:54:56,912 INFO L241 Difference]: Finished difference. Result has 95 places, 92 transitions, 480 flow [2021-03-25 12:54:56,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=480, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2021-03-25 12:54:56,912 INFO L343 CegarLoopForPetriNet]: 68 programPoint places, 27 predicate places. [2021-03-25 12:54:56,912 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 12:54:56,912 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 92 transitions, 480 flow [2021-03-25 12:54:56,913 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 92 transitions, 480 flow [2021-03-25 12:54:56,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 92 transitions, 480 flow [2021-03-25 12:54:56,973 INFO L129 PetriNetUnfolder]: 67/667 cut-off events. [2021-03-25 12:54:56,974 INFO L130 PetriNetUnfolder]: For 301/302 co-relation queries the response was YES. [2021-03-25 12:54:56,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1227 conditions, 667 events. 67/667 cut-off events. For 301/302 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3717 event pairs, 2 based on Foata normal form. 1/632 useless extension candidates. Maximal degree in co-relation 845. Up to 41 conditions per place. [2021-03-25 12:54:56,982 INFO L142 LiptonReduction]: Number of co-enabled transitions 1116 [2021-03-25 12:54:57,725 INFO L154 LiptonReduction]: Checked pairs total: 81 [2021-03-25 12:54:57,726 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-25 12:54:57,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 814 [2021-03-25 12:54:57,729 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 92 transitions, 495 flow [2021-03-25 12:54:57,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 123.5) internal successors, (1729), 14 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:57,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:54:57,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:54:57,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 12:54:57,730 INFO L428 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 12:54:57,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:54:57,730 INFO L82 PathProgramCache]: Analyzing trace with hash 48266218, now seen corresponding path program 1 times [2021-03-25 12:54:57,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:54:57,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805466181] [2021-03-25 12:54:57,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:54:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:54:57,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:57,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 12:54:57,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:57,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:54:57,847 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.6 percent of original size [2021-03-25 12:54:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 12:54:57,871 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.6 percent of original size [2021-03-25 12:54:57,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 12:54:57,896 INFO L142 QuantifierPusher]: treesize reduction 19, result has 58.7 percent of original size [2021-03-25 12:54:57,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 12:54:57,914 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.9 percent of original size [2021-03-25 12:54:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 12:54:57,930 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-03-25 12:54:57,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:54:57,943 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-03-25 12:54:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:54:57,958 INFO L142 QuantifierPusher]: treesize reduction 15, result has 75.8 percent of original size [2021-03-25 12:54:57,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 12:54:57,985 INFO L142 QuantifierPusher]: treesize reduction 15, result has 75.8 percent of original size [2021-03-25 12:54:57,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 12:54:58,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:54:58,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 12:54:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:54:58,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805466181] [2021-03-25 12:54:58,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:54:58,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 12:54:58,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669213429] [2021-03-25 12:54:58,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 12:54:58,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:54:58,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 12:54:58,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-03-25 12:54:58,030 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 278 [2021-03-25 12:54:58,031 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 92 transitions, 495 flow. Second operand has 13 states, 13 states have (on average 146.6153846153846) internal successors, (1906), 13 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:58,031 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:54:58,031 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 278 [2021-03-25 12:54:58,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:54:59,215 INFO L129 PetriNetUnfolder]: 1021/3297 cut-off events. [2021-03-25 12:54:59,215 INFO L130 PetriNetUnfolder]: For 2162/2167 co-relation queries the response was YES. [2021-03-25 12:54:59,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7634 conditions, 3297 events. 1021/3297 cut-off events. For 2162/2167 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 25948 event pairs, 324 based on Foata normal form. 3/3133 useless extension candidates. Maximal degree in co-relation 5023. Up to 888 conditions per place. [2021-03-25 12:54:59,239 INFO L132 encePairwiseOnDemand]: 257/278 looper letters, 115 selfloop transitions, 33 changer transitions 0/178 dead transitions. [2021-03-25 12:54:59,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 178 transitions, 1134 flow [2021-03-25 12:54:59,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 12:54:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 12:54:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1868 transitions. [2021-03-25 12:54:59,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5599520383693045 [2021-03-25 12:54:59,245 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1868 transitions. [2021-03-25 12:54:59,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1868 transitions. [2021-03-25 12:54:59,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:54:59,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1868 transitions. [2021-03-25 12:54:59,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 155.66666666666666) internal successors, (1868), 12 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:59,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 278.0) internal successors, (3614), 13 states have internal predecessors, (3614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:59,254 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 278.0) internal successors, (3614), 13 states have internal predecessors, (3614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:54:59,254 INFO L185 Difference]: Start difference. First operand has 93 places, 92 transitions, 495 flow. Second operand 12 states and 1868 transitions. [2021-03-25 12:54:59,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 178 transitions, 1134 flow [2021-03-25 12:54:59,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 178 transitions, 1112 flow, removed 11 selfloop flow, removed 0 redundant places. [2021-03-25 12:54:59,272 INFO L241 Difference]: Finished difference. Result has 113 places, 110 transitions, 730 flow [2021-03-25 12:54:59,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=730, PETRI_PLACES=113, PETRI_TRANSITIONS=110} [2021-03-25 12:54:59,272 INFO L343 CegarLoopForPetriNet]: 68 programPoint places, 45 predicate places. [2021-03-25 12:54:59,272 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 12:54:59,272 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 110 transitions, 730 flow [2021-03-25 12:54:59,272 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 110 transitions, 730 flow [2021-03-25 12:54:59,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 110 transitions, 730 flow [2021-03-25 12:54:59,366 INFO L129 PetriNetUnfolder]: 95/967 cut-off events. [2021-03-25 12:54:59,367 INFO L130 PetriNetUnfolder]: For 727/730 co-relation queries the response was YES. [2021-03-25 12:54:59,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1993 conditions, 967 events. 95/967 cut-off events. For 727/730 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6486 event pairs, 3 based on Foata normal form. 3/917 useless extension candidates. Maximal degree in co-relation 1302. Up to 61 conditions per place. [2021-03-25 12:54:59,381 INFO L142 LiptonReduction]: Number of co-enabled transitions 1354 [2021-03-25 12:55:00,016 INFO L154 LiptonReduction]: Checked pairs total: 217 [2021-03-25 12:55:00,016 INFO L156 LiptonReduction]: Total number of compositions: 21 [2021-03-25 12:55:00,016 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 744 [2021-03-25 12:55:00,017 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 107 transitions, 730 flow [2021-03-25 12:55:00,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 146.6153846153846) internal successors, (1906), 13 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:55:00,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:55:00,019 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:55:00,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 12:55:00,019 INFO L428 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 12:55:00,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:55:00,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1288369981, now seen corresponding path program 1 times [2021-03-25 12:55:00,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:55:00,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086299214] [2021-03-25 12:55:00,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:55:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 12:55:00,075 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 12:55:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 12:55:00,124 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 12:55:00,152 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 12:55:00,152 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 12:55:00,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 12:55:00,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 12:55:00 BasicIcfg [2021-03-25 12:55:00,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 12:55:00,238 INFO L168 Benchmark]: Toolchain (without parser) took 15976.76 ms. Allocated memory was 255.9 MB in the beginning and 629.1 MB in the end (delta: 373.3 MB). Free memory was 233.7 MB in the beginning and 333.7 MB in the end (delta: -99.9 MB). Peak memory consumption was 272.8 MB. Max. memory is 16.0 GB. [2021-03-25 12:55:00,238 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 12:55:00,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.08 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 233.7 MB in the beginning and 299.0 MB in the end (delta: -65.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. [2021-03-25 12:55:00,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.05 ms. Allocated memory is still 362.8 MB. Free memory was 298.3 MB in the beginning and 296.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 12:55:00,238 INFO L168 Benchmark]: Boogie Preprocessor took 23.39 ms. Allocated memory is still 362.8 MB. Free memory was 296.2 MB in the beginning and 294.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 12:55:00,239 INFO L168 Benchmark]: RCFGBuilder took 481.10 ms. Allocated memory is still 362.8 MB. Free memory was 294.1 MB in the beginning and 320.9 MB in the end (delta: -26.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.0 GB. [2021-03-25 12:55:00,239 INFO L168 Benchmark]: TraceAbstraction took 14909.82 ms. Allocated memory was 362.8 MB in the beginning and 629.1 MB in the end (delta: 266.3 MB). Free memory was 319.9 MB in the beginning and 333.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 251.5 MB. Max. memory is 16.0 GB. [2021-03-25 12:55:00,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 519.08 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 233.7 MB in the beginning and 299.0 MB in the end (delta: -65.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.05 ms. Allocated memory is still 362.8 MB. Free memory was 298.3 MB in the beginning and 296.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.39 ms. Allocated memory is still 362.8 MB. Free memory was 296.2 MB in the beginning and 294.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 481.10 ms. Allocated memory is still 362.8 MB. Free memory was 294.1 MB in the beginning and 320.9 MB in the end (delta: -26.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 14909.82 ms. Allocated memory was 362.8 MB in the beginning and 629.1 MB in the end (delta: 266.3 MB). Free memory was 319.9 MB in the beginning and 333.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 251.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3176.5ms, 135 PlacesBefore, 68 PlacesAfterwards, 139 TransitionsBefore, 69 TransitionsAfterwards, 6764 CoEnabledTransitionPairs, 7 FixpointIterations, 21 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 3 ChoiceCompositions, 88 TotalNumberOfCompositions, 4952 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3852, positive: 3807, positive conditional: 0, positive unconditional: 3807, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3290, positive: 3268, positive conditional: 0, positive unconditional: 3268, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3290, positive: 3268, positive conditional: 0, positive unconditional: 3268, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3290, positive: 3257, positive conditional: 0, positive unconditional: 3257, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3852, positive: 539, positive conditional: 0, positive unconditional: 539, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 3290, unknown conditional: 0, unknown unconditional: 3290] , Statistics on independence cache: Total cache size (in pairs): 198, Positive cache size: 192, Positive conditional cache size: 0, Positive unconditional cache size: 192, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1216.2ms, 67 PlacesBefore, 61 PlacesAfterwards, 68 TransitionsBefore, 62 TransitionsAfterwards, 1948 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 1149 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 783, positive: 751, positive conditional: 0, positive unconditional: 751, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 249, positive: 242, positive conditional: 0, positive unconditional: 242, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 249, positive: 242, positive conditional: 0, positive unconditional: 242, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 249, positive: 240, positive conditional: 0, positive unconditional: 240, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 783, positive: 509, positive conditional: 0, positive unconditional: 509, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 249, unknown conditional: 0, unknown unconditional: 249] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 281, Positive conditional cache size: 0, Positive unconditional cache size: 281, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1748.6ms, 63 PlacesBefore, 62 PlacesAfterwards, 63 TransitionsBefore, 62 TransitionsAfterwards, 1770 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 618 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 429, positive: 411, positive conditional: 0, positive unconditional: 411, negative: 18, negative conditional: 0, negative unconditional: 18, 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: 429, positive: 411, positive conditional: 0, positive unconditional: 411, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 281, Positive conditional cache size: 0, Positive unconditional cache size: 281, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.3ms, 64 PlacesBefore, 64 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 1796 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 336 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 189, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 10, negative conditional: 0, negative unconditional: 10, 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: 189, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 281, Positive conditional cache size: 0, Positive unconditional cache size: 281, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 372.1ms, 65 PlacesBefore, 59 PlacesAfterwards, 62 TransitionsBefore, 57 TransitionsAfterwards, 842 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 99 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 52, positive conditional: 0, positive unconditional: 52, 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: 53, positive: 52, positive conditional: 0, positive unconditional: 52, 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: 53, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 83, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 53, unknown conditional: 0, unknown unconditional: 53] , Statistics on independence cache: Total cache size (in pairs): 152, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 318.7ms, 65 PlacesBefore, 63 PlacesAfterwards, 63 TransitionsBefore, 61 TransitionsAfterwards, 870 CoEnabledTransitionPairs, 5 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 87 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 0, positive unconditional: 70, 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: 70, positive: 70, positive conditional: 0, positive unconditional: 70, 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: 70, positive: 70, positive conditional: 0, positive unconditional: 70, 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: 81, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 127, Positive conditional cache size: 0, Positive unconditional cache size: 127, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 813.1ms, 95 PlacesBefore, 93 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 1116 CoEnabledTransitionPairs, 3 FixpointIterations, 5 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 81 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 81, positive conditional: 0, positive unconditional: 81, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, 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: 81, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 39, unknown conditional: 0, unknown unconditional: 39] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 743.9ms, 113 PlacesBefore, 112 PlacesAfterwards, 110 TransitionsBefore, 107 TransitionsAfterwards, 1354 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 21 TotalNumberOfCompositions, 217 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 217, positive: 217, positive conditional: 0, positive unconditional: 217, 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: 67, positive: 67, positive conditional: 0, positive unconditional: 67, 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: 67, positive: 67, positive conditional: 0, positive unconditional: 67, 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: 67, positive: 67, positive conditional: 0, positive unconditional: 67, 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: 217, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 67, unknown conditional: 0, unknown unconditional: 67] , Statistics on independence cache: Total cache size (in pairs): 197, Positive cache size: 196, Positive conditional cache size: 0, Positive unconditional cache size: 196, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - 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={11:0}, flag=0, m={9:0}, top=0] [L988] 1 int i; [L989] 1 unsigned int tmp; [L990] 1 i=0 VAL [arr={11:0}, flag=0, m={9:0}, top=0] [L990] COND TRUE 1 i<(400) VAL [arr={11:0}, flag=0, m={9:0}, top=0] [L993] 1 tmp = __VERIFIER_nondet_uint() [L23] COND FALSE 1 !(!cond) [L960] COND FALSE 1 !(top==(400)) [L952] 1 return top; [L967] 1 stack[get_top()] = x [L944] 1 top++ [L970] 1 return 0; [L995] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arr={11:0}, flag=0, m={9:0}, top=1] [L997] 1 flag=(1) [L1022] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={11:0}, flag=1, m={9:0}, top=1] [L1004] 2 int i; VAL [arr={11:0}, flag=1, m={9:0}, top=1] [L1005] 2 i=0 VAL [arr={11:0}, flag=1, m={9:0}, top=1] [L1005] COND TRUE 2 i<(400) VAL [arr={11:0}, flag=1, m={9:0}, top=1] [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={11:0}, flag=1, m={9:0}, top=0] [L1005] COND TRUE 2 i<(400) VAL [arr={11:0}, flag=1, m={9:0}, top=0] [L1008] COND TRUE 2 \read(flag) [L952] 2 return top; [L974] COND TRUE 2 get_top()==0 VAL [arr={11:0}, flag=1, m={9:0}, top=0] [L977] 2 return (-2); [L1010] COND TRUE 2 !(pop(arr)!=(-2)) [L940] 2 reach_error() VAL [arr={11:0}, flag=1, m={9:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 140 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 14639.0ms, OverallIterations: 8, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 3895.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3331.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 126 SDtfs, 259 SDslu, 495 SDs, 0 SdLazy, 1113 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1175.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 2328.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=730occurred in iteration=7, InterpolantAutomatonStates: 48, 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: 24.2ms SsaConstructionTime, 286.3ms SatisfiabilityAnalysisTime, 1622.5ms InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 3535 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...