/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 22:41:37,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 22:41:37,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 22:41:37,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 22:41:37,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 22:41:37,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 22:41:37,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 22:41:37,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 22:41:37,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 22:41:37,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 22:41:37,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 22:41:37,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 22:41:37,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 22:41:37,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 22:41:37,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 22:41:37,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 22:41:37,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 22:41:37,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 22:41:37,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 22:41:37,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 22:41:37,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 22:41:37,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 22:41:37,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 22:41:37,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 22:41:37,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 22:41:37,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 22:41:37,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 22:41:37,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 22:41:37,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 22:41:37,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 22:41:37,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 22:41:37,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 22:41:37,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 22:41:37,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 22:41:37,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 22:41:37,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 22:41:37,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-25 22:41:37,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 22:41:37,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 22:41:37,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 22:41:37,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 22:41:37,303 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 22:41:37,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 22:41:37,303 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 22:41:37,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 22:41:37,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 22:41:37,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 22:41:37,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 22:41:37,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 22:41:37,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 22:41:37,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 22:41:37,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 22:41:37,305 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 22:41:37,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 22:41:37,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 22:41:37,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 22:41:37,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 22:41:37,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 22:41:37,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 22:41:37,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 22:41:37,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 22:41:37,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 22:41:37,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 22:41:37,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 22:41:37,307 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-25 22:41:37,307 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 22:41:37,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 22:41:37,307 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 22:41:37,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 22:41:37,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 22:41:37,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 22:41:37,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 22:41:37,620 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 22:41:37,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2021-03-25 22:41:37,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6dd4cda/e96462d5c3db491cb26ad240e1ed70b6/FLAG7538705c3 [2021-03-25 22:41:38,113 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 22:41:38,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2021-03-25 22:41:38,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6dd4cda/e96462d5c3db491cb26ad240e1ed70b6/FLAG7538705c3 [2021-03-25 22:41:38,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6dd4cda/e96462d5c3db491cb26ad240e1ed70b6 [2021-03-25 22:41:38,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 22:41:38,138 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 22:41:38,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 22:41:38,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 22:41:38,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 22:41:38,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ced8cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38, skipping insertion in model container [2021-03-25 22:41:38,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 22:41:38,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 22:41:38,591 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-2.i[41520,41533] [2021-03-25 22:41:38,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 22:41:38,628 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 22:41:38,664 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-2.i[41520,41533] [2021-03-25 22:41:38,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 22:41:38,803 INFO L208 MainTranslator]: Completed translation [2021-03-25 22:41:38,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38 WrapperNode [2021-03-25 22:41:38,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 22:41:38,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 22:41:38,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 22:41:38,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 22:41:38,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 22:41:38,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 22:41:38,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 22:41:38,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 22:41:38,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (1/1) ... [2021-03-25 22:41:38,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 22:41:38,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 22:41:38,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 22:41:38,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 22:41:38,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (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 22:41:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-03-25 22:41:38,947 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-03-25 22:41:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-03-25 22:41:38,948 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-03-25 22:41:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 22:41:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 22:41:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 22:41:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 22:41:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-25 22:41:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 22:41:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 22:41:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 22:41:38,951 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 22:41:39,334 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 22:41:39,334 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-03-25 22:41:39,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 10:41:39 BoogieIcfgContainer [2021-03-25 22:41:39,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 22:41:39,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 22:41:39,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 22:41:39,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 22:41:39,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 10:41:38" (1/3) ... [2021-03-25 22:41:39,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b2718a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 10:41:39, skipping insertion in model container [2021-03-25 22:41:39,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:41:38" (2/3) ... [2021-03-25 22:41:39,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b2718a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 10:41:39, skipping insertion in model container [2021-03-25 22:41:39,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 10:41:39" (3/3) ... [2021-03-25 22:41:39,344 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-2.i [2021-03-25 22:41:39,349 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 22:41:39,352 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 22:41:39,353 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 22:41:39,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,406 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,406 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,409 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,409 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,409 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,412 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,412 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,424 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,424 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,424 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,424 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,429 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,430 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,430 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,430 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,431 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,434 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,434 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,434 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,435 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,435 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,435 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,435 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,435 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,435 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,436 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,436 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,436 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,436 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,436 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,436 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,438 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,440 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,441 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,441 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,441 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,441 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,442 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,442 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,442 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,451 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,466 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,466 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,467 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,467 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,467 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,467 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,467 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,467 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,467 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,468 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,468 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,468 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,468 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,468 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,470 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,470 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,470 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,470 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,470 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,470 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,470 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,472 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,476 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,476 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,477 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:41:39,486 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 22:41:39,501 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 22:41:39,528 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 22:41:39,528 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 22:41:39,528 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 22:41:39,528 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 22:41:39,528 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 22:41:39,528 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 22:41:39,528 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 22:41:39,528 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 22:41:39,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 155 transitions, 332 flow [2021-03-25 22:41:39,614 INFO L129 PetriNetUnfolder]: 11/155 cut-off events. [2021-03-25 22:41:39,615 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 22:41:39,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 155 events. 11/155 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 397 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 115. Up to 3 conditions per place. [2021-03-25 22:41:39,622 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 155 transitions, 332 flow [2021-03-25 22:41:39,627 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 143 transitions, 298 flow [2021-03-25 22:41:39,628 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:41:39,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 143 transitions, 298 flow [2021-03-25 22:41:39,640 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 143 transitions, 298 flow [2021-03-25 22:41:39,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 143 transitions, 298 flow [2021-03-25 22:41:39,668 INFO L129 PetriNetUnfolder]: 10/145 cut-off events. [2021-03-25 22:41:39,668 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 22:41:39,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 145 events. 10/145 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 318 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 115. Up to 3 conditions per place. [2021-03-25 22:41:39,674 INFO L142 LiptonReduction]: Number of co-enabled transitions 6764 [2021-03-25 22:41:41,993 INFO L154 LiptonReduction]: Checked pairs total: 5162 [2021-03-25 22:41:41,994 INFO L156 LiptonReduction]: Total number of compositions: 86 [2021-03-25 22:41:41,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2369 [2021-03-25 22:41:42,007 INFO L129 PetriNetUnfolder]: 4/48 cut-off events. [2021-03-25 22:41:42,008 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 22:41:42,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:41:42,008 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] [2021-03-25 22:41:42,009 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:41:42,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:41:42,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1692901101, now seen corresponding path program 1 times [2021-03-25 22:41:42,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:41:42,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21737446] [2021-03-25 22:41:42,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:41:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:41:42,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:42,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:41:42,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:42,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:41:42,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:42,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:41:42,239 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 22:41:42,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21737446] [2021-03-25 22:41:42,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:41:42,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 22:41:42,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220384268] [2021-03-25 22:41:42,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 22:41:42,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:41:42,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 22:41:42,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 22:41:42,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 241 [2021-03-25 22:41:42,267 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 71 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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 22:41:42,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:41:42,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 241 [2021-03-25 22:41:42,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:41:42,321 INFO L129 PetriNetUnfolder]: 11/140 cut-off events. [2021-03-25 22:41:42,322 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 22:41:42,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 140 events. 11/140 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 263 event pairs, 0 based on Foata normal form. 4/128 useless extension candidates. Maximal degree in co-relation 140. Up to 10 conditions per place. [2021-03-25 22:41:42,327 INFO L132 encePairwiseOnDemand]: 235/241 looper letters, 5 selfloop transitions, 2 changer transitions 0/71 dead transitions. [2021-03-25 22:41:42,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 71 transitions, 168 flow [2021-03-25 22:41:42,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 22:41:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 22:41:42,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2021-03-25 22:41:42,345 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9004149377593361 [2021-03-25 22:41:42,345 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2021-03-25 22:41:42,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2021-03-25 22:41:42,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:41:42,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2021-03-25 22:41:42,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 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 22:41:42,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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 22:41:42,364 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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 22:41:42,366 INFO L185 Difference]: Start difference. First operand has 70 places, 71 transitions, 154 flow. Second operand 3 states and 651 transitions. [2021-03-25 22:41:42,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 71 transitions, 168 flow [2021-03-25 22:41:42,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 71 transitions, 160 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 22:41:42,371 INFO L241 Difference]: Finished difference. Result has 69 places, 70 transitions, 156 flow [2021-03-25 22:41:42,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=69, PETRI_TRANSITIONS=70} [2021-03-25 22:41:42,373 INFO L343 CegarLoopForPetriNet]: 70 programPoint places, -1 predicate places. [2021-03-25 22:41:42,373 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:41:42,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 70 transitions, 156 flow [2021-03-25 22:41:42,374 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 70 transitions, 156 flow [2021-03-25 22:41:42,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 70 transitions, 156 flow [2021-03-25 22:41:42,389 INFO L129 PetriNetUnfolder]: 10/116 cut-off events. [2021-03-25 22:41:42,390 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 22:41:42,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 116 events. 10/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 198 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 105. Up to 9 conditions per place. [2021-03-25 22:41:42,394 INFO L142 LiptonReduction]: Number of co-enabled transitions 1806 [2021-03-25 22:41:42,773 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-03-25 22:41:43,045 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-03-25 22:41:43,149 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-25 22:41:43,554 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-03-25 22:41:43,658 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-03-25 22:41:43,851 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-03-25 22:41:44,098 INFO L154 LiptonReduction]: Checked pairs total: 1047 [2021-03-25 22:41:44,098 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-25 22:41:44,098 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1725 [2021-03-25 22:41:44,100 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 58 transitions, 132 flow [2021-03-25 22:41:44,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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 22:41:44,100 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:41:44,100 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] [2021-03-25 22:41:44,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 22:41:44,101 INFO L428 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:41:44,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:41:44,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1345900078, now seen corresponding path program 1 times [2021-03-25 22:41:44,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:41:44,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115118048] [2021-03-25 22:41:44,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:41:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:41:44,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:44,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:41:44,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:44,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:41:44,167 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 22:41:44,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115118048] [2021-03-25 22:41:44,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:41:44,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 22:41:44,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532968186] [2021-03-25 22:41:44,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 22:41:44,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:41:44,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 22:41:44,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 22:41:44,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 253 [2021-03-25 22:41:44,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 58 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 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 22:41:44,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:41:44,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 253 [2021-03-25 22:41:44,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:41:44,196 INFO L129 PetriNetUnfolder]: 10/104 cut-off events. [2021-03-25 22:41:44,196 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 22:41:44,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 104 events. 10/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 175 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 113. Up to 12 conditions per place. [2021-03-25 22:41:44,197 INFO L132 encePairwiseOnDemand]: 250/253 looper letters, 6 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2021-03-25 22:41:44,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 60 transitions, 152 flow [2021-03-25 22:41:44,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 22:41:44,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 22:41:44,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 675 transitions. [2021-03-25 22:41:44,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8893280632411067 [2021-03-25 22:41:44,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 675 transitions. [2021-03-25 22:41:44,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 675 transitions. [2021-03-25 22:41:44,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:41:44,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 675 transitions. [2021-03-25 22:41:44,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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 22:41:44,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:41:44,204 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:41:44,204 INFO L185 Difference]: Start difference. First operand has 57 places, 58 transitions, 132 flow. Second operand 3 states and 675 transitions. [2021-03-25 22:41:44,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 60 transitions, 152 flow [2021-03-25 22:41:44,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 60 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 22:41:44,206 INFO L241 Difference]: Finished difference. Result has 59 places, 59 transitions, 142 flow [2021-03-25 22:41:44,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=59, PETRI_TRANSITIONS=59} [2021-03-25 22:41:44,206 INFO L343 CegarLoopForPetriNet]: 70 programPoint places, -11 predicate places. [2021-03-25 22:41:44,207 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:41:44,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 59 transitions, 142 flow [2021-03-25 22:41:44,207 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 59 transitions, 142 flow [2021-03-25 22:41:44,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 59 transitions, 142 flow [2021-03-25 22:41:44,215 INFO L129 PetriNetUnfolder]: 10/104 cut-off events. [2021-03-25 22:41:44,215 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 22:41:44,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 104 events. 10/104 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 178 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 113. Up to 9 conditions per place. [2021-03-25 22:41:44,217 INFO L142 LiptonReduction]: Number of co-enabled transitions 1540 [2021-03-25 22:41:44,876 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2021-03-25 22:41:45,203 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-03-25 22:41:45,847 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2021-03-25 22:41:46,127 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-03-25 22:41:46,140 INFO L154 LiptonReduction]: Checked pairs total: 442 [2021-03-25 22:41:46,140 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:41:46,140 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1933 [2021-03-25 22:41:46,141 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 58 transitions, 140 flow [2021-03-25 22:41:46,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 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 22:41:46,142 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:41:46,142 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:41:46,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 22:41:46,142 INFO L428 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:41:46,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:41:46,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1137578297, now seen corresponding path program 1 times [2021-03-25 22:41:46,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:41:46,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484243407] [2021-03-25 22:41:46,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:41:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:41:46,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:46,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:41:46,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:46,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:41:46,204 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 22:41:46,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484243407] [2021-03-25 22:41:46,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:41:46,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 22:41:46,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30727935] [2021-03-25 22:41:46,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 22:41:46,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:41:46,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 22:41:46,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 22:41:46,211 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 254 [2021-03-25 22:41:46,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 58 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 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 22:41:46,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:41:46,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 254 [2021-03-25 22:41:46,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:41:46,271 INFO L129 PetriNetUnfolder]: 70/283 cut-off events. [2021-03-25 22:41:46,271 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-25 22:41:46,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 283 events. 70/283 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 940 event pairs, 20 based on Foata normal form. 0/236 useless extension candidates. Maximal degree in co-relation 433. Up to 69 conditions per place. [2021-03-25 22:41:46,273 INFO L132 encePairwiseOnDemand]: 249/254 looper letters, 13 selfloop transitions, 3 changer transitions 0/63 dead transitions. [2021-03-25 22:41:46,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 63 transitions, 187 flow [2021-03-25 22:41:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 22:41:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 22:41:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2021-03-25 22:41:46,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8346456692913385 [2021-03-25 22:41:46,276 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2021-03-25 22:41:46,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2021-03-25 22:41:46,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:41:46,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2021-03-25 22:41:46,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 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 22:41:46,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 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 22:41:46,281 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 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 22:41:46,281 INFO L185 Difference]: Start difference. First operand has 58 places, 58 transitions, 140 flow. Second operand 3 states and 636 transitions. [2021-03-25 22:41:46,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 63 transitions, 187 flow [2021-03-25 22:41:46,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 63 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 22:41:46,284 INFO L241 Difference]: Finished difference. Result has 61 places, 60 transitions, 166 flow [2021-03-25 22:41:46,284 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=61, PETRI_TRANSITIONS=60} [2021-03-25 22:41:46,285 INFO L343 CegarLoopForPetriNet]: 70 programPoint places, -9 predicate places. [2021-03-25 22:41:46,285 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:41:46,285 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 60 transitions, 166 flow [2021-03-25 22:41:46,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 60 transitions, 166 flow [2021-03-25 22:41:46,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 60 transitions, 166 flow [2021-03-25 22:41:46,307 INFO L129 PetriNetUnfolder]: 30/215 cut-off events. [2021-03-25 22:41:46,307 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2021-03-25 22:41:46,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 303 conditions, 215 events. 30/215 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 573 event pairs, 2 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 268. Up to 27 conditions per place. [2021-03-25 22:41:46,310 INFO L142 LiptonReduction]: Number of co-enabled transitions 1626 [2021-03-25 22:41:46,378 INFO L154 LiptonReduction]: Checked pairs total: 34 [2021-03-25 22:41:46,378 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:41:46,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-03-25 22:41:46,379 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 60 transitions, 166 flow [2021-03-25 22:41:46,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 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 22:41:46,380 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:41:46,380 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 22:41:46,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 22:41:46,380 INFO L428 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:41:46,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:41:46,380 INFO L82 PathProgramCache]: Analyzing trace with hash -944989053, now seen corresponding path program 1 times [2021-03-25 22:41:46,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:41:46,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028285188] [2021-03-25 22:41:46,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:41:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:41:46,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:46,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:41:46,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:46,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:41:46,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:46,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:41:46,450 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 22:41:46,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028285188] [2021-03-25 22:41:46,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:41:46,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 22:41:46,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049299856] [2021-03-25 22:41:46,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 22:41:46,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:41:46,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 22:41:46,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 22:41:46,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 255 [2021-03-25 22:41:46,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 60 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 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 22:41:46,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:41:46,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 255 [2021-03-25 22:41:46,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:41:46,481 INFO L129 PetriNetUnfolder]: 10/172 cut-off events. [2021-03-25 22:41:46,481 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 22:41:46,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 172 events. 10/172 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 419 event pairs, 1 based on Foata normal form. 6/171 useless extension candidates. Maximal degree in co-relation 204. Up to 9 conditions per place. [2021-03-25 22:41:46,482 INFO L132 encePairwiseOnDemand]: 251/255 looper letters, 1 selfloop transitions, 4 changer transitions 0/60 dead transitions. [2021-03-25 22:41:46,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 60 transitions, 176 flow [2021-03-25 22:41:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 22:41:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 22:41:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 658 transitions. [2021-03-25 22:41:46,485 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8601307189542484 [2021-03-25 22:41:46,485 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 658 transitions. [2021-03-25 22:41:46,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 658 transitions. [2021-03-25 22:41:46,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:41:46,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 658 transitions. [2021-03-25 22:41:46,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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 22:41:46,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 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 22:41:46,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 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 22:41:46,490 INFO L185 Difference]: Start difference. First operand has 61 places, 60 transitions, 166 flow. Second operand 3 states and 658 transitions. [2021-03-25 22:41:46,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 60 transitions, 176 flow [2021-03-25 22:41:46,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 60 transitions, 170 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 22:41:46,492 INFO L241 Difference]: Finished difference. Result has 61 places, 60 transitions, 168 flow [2021-03-25 22:41:46,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=61, PETRI_TRANSITIONS=60} [2021-03-25 22:41:46,493 INFO L343 CegarLoopForPetriNet]: 70 programPoint places, -9 predicate places. [2021-03-25 22:41:46,493 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:41:46,493 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 60 transitions, 168 flow [2021-03-25 22:41:46,493 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 60 transitions, 168 flow [2021-03-25 22:41:46,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 60 transitions, 168 flow [2021-03-25 22:41:46,505 INFO L129 PetriNetUnfolder]: 10/172 cut-off events. [2021-03-25 22:41:46,506 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 22:41:46,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 172 events. 10/172 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 434 event pairs, 1 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 200. Up to 9 conditions per place. [2021-03-25 22:41:46,508 INFO L142 LiptonReduction]: Number of co-enabled transitions 866 [2021-03-25 22:41:46,858 INFO L154 LiptonReduction]: Checked pairs total: 56 [2021-03-25 22:41:46,858 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 22:41:46,858 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 365 [2021-03-25 22:41:46,860 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 56 transitions, 162 flow [2021-03-25 22:41:46,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 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 22:41:46,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:41:46,861 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] [2021-03-25 22:41:46,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 22:41:46,861 INFO L428 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:41:46,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:41:46,861 INFO L82 PathProgramCache]: Analyzing trace with hash -508845519, now seen corresponding path program 1 times [2021-03-25 22:41:46,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:41:46,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640882295] [2021-03-25 22:41:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:41:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:41:46,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:46,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:41:46,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:46,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:41:46,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:46,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:41:46,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:46,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:41:46,954 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 22:41:46,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640882295] [2021-03-25 22:41:46,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:41:46,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:41:46,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284580200] [2021-03-25 22:41:46,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:41:46,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:41:46,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:41:46,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:41:46,957 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 261 [2021-03-25 22:41:46,958 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 56 transitions, 162 flow. Second operand has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 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 22:41:46,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:41:46,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 261 [2021-03-25 22:41:46,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:41:47,048 INFO L129 PetriNetUnfolder]: 13/197 cut-off events. [2021-03-25 22:41:47,048 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-03-25 22:41:47,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 197 events. 13/197 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 530 event pairs, 1 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 264. Up to 14 conditions per place. [2021-03-25 22:41:47,049 INFO L132 encePairwiseOnDemand]: 255/261 looper letters, 9 selfloop transitions, 8 changer transitions 0/62 dead transitions. [2021-03-25 22:41:47,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 62 transitions, 218 flow [2021-03-25 22:41:47,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:41:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:41:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1247 transitions. [2021-03-25 22:41:47,052 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7962962962962963 [2021-03-25 22:41:47,053 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1247 transitions. [2021-03-25 22:41:47,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1247 transitions. [2021-03-25 22:41:47,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:41:47,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1247 transitions. [2021-03-25 22:41:47,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.83333333333334) internal successors, (1247), 6 states have internal predecessors, (1247), 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 22:41:47,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 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 22:41:47,060 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 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 22:41:47,060 INFO L185 Difference]: Start difference. First operand has 57 places, 56 transitions, 162 flow. Second operand 6 states and 1247 transitions. [2021-03-25 22:41:47,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 62 transitions, 218 flow [2021-03-25 22:41:47,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 62 transitions, 213 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 22:41:47,064 INFO L241 Difference]: Finished difference. Result has 63 places, 60 transitions, 207 flow [2021-03-25 22:41:47,064 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=207, PETRI_PLACES=63, PETRI_TRANSITIONS=60} [2021-03-25 22:41:47,065 INFO L343 CegarLoopForPetriNet]: 70 programPoint places, -7 predicate places. [2021-03-25 22:41:47,065 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:41:47,065 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 60 transitions, 207 flow [2021-03-25 22:41:47,065 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 60 transitions, 207 flow [2021-03-25 22:41:47,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 60 transitions, 207 flow [2021-03-25 22:41:47,080 INFO L129 PetriNetUnfolder]: 13/197 cut-off events. [2021-03-25 22:41:47,081 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2021-03-25 22:41:47,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 197 events. 13/197 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 533 event pairs, 1 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2021-03-25 22:41:47,083 INFO L142 LiptonReduction]: Number of co-enabled transitions 874 [2021-03-25 22:41:47,135 INFO L154 LiptonReduction]: Checked pairs total: 30 [2021-03-25 22:41:47,135 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 22:41:47,135 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-03-25 22:41:47,137 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 59 transitions, 201 flow [2021-03-25 22:41:47,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 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 22:41:47,138 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:41:47,139 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 22:41:47,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 22:41:47,139 INFO L428 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:41:47,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:41:47,139 INFO L82 PathProgramCache]: Analyzing trace with hash -570603075, now seen corresponding path program 1 times [2021-03-25 22:41:47,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:41:47,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525984230] [2021-03-25 22:41:47,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:41:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:41:47,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 22:41:47,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 22:41:47,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 22:41:47,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:41:47,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:41:47,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:41:47,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:41:47,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 22:41:47,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 22:41:47,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 22:41:47,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 22:41:47,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:41:47,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:41:47,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:47,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 22:41:47,756 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 22:41:47,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525984230] [2021-03-25 22:41:47,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:41:47,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-25 22:41:47,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277085479] [2021-03-25 22:41:47,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-25 22:41:47,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:41:47,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-25 22:41:47,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-03-25 22:41:47,760 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 264 [2021-03-25 22:41:47,762 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 59 transitions, 201 flow. Second operand has 16 states, 16 states have (on average 114.5) internal successors, (1832), 16 states have internal predecessors, (1832), 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 22:41:47,762 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:41:47,762 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 264 [2021-03-25 22:41:47,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:41:48,797 INFO L129 PetriNetUnfolder]: 512/1539 cut-off events. [2021-03-25 22:41:48,798 INFO L130 PetriNetUnfolder]: For 308/313 co-relation queries the response was YES. [2021-03-25 22:41:48,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3028 conditions, 1539 events. 512/1539 cut-off events. For 308/313 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 8968 event pairs, 111 based on Foata normal form. 17/1479 useless extension candidates. Maximal degree in co-relation 569. Up to 436 conditions per place. [2021-03-25 22:41:48,806 INFO L132 encePairwiseOnDemand]: 248/264 looper letters, 136 selfloop transitions, 17 changer transitions 0/175 dead transitions. [2021-03-25 22:41:48,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 175 transitions, 799 flow [2021-03-25 22:41:48,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:41:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:41:48,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1738 transitions. [2021-03-25 22:41:48,811 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47023809523809523 [2021-03-25 22:41:48,812 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1738 transitions. [2021-03-25 22:41:48,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1738 transitions. [2021-03-25 22:41:48,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:41:48,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1738 transitions. [2021-03-25 22:41:48,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 124.14285714285714) internal successors, (1738), 14 states have internal predecessors, (1738), 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 22:41:48,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 264.0) internal successors, (3960), 15 states have internal predecessors, (3960), 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 22:41:48,824 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 264.0) internal successors, (3960), 15 states have internal predecessors, (3960), 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 22:41:48,824 INFO L185 Difference]: Start difference. First operand has 62 places, 59 transitions, 201 flow. Second operand 14 states and 1738 transitions. [2021-03-25 22:41:48,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 175 transitions, 799 flow [2021-03-25 22:41:48,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 175 transitions, 793 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 22:41:48,830 INFO L241 Difference]: Finished difference. Result has 84 places, 75 transitions, 349 flow [2021-03-25 22:41:48,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=349, PETRI_PLACES=84, PETRI_TRANSITIONS=75} [2021-03-25 22:41:48,831 INFO L343 CegarLoopForPetriNet]: 70 programPoint places, 14 predicate places. [2021-03-25 22:41:48,831 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:41:48,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 75 transitions, 349 flow [2021-03-25 22:41:48,831 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 75 transitions, 349 flow [2021-03-25 22:41:48,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 75 transitions, 349 flow [2021-03-25 22:41:48,869 INFO L129 PetriNetUnfolder]: 28/393 cut-off events. [2021-03-25 22:41:48,870 INFO L130 PetriNetUnfolder]: For 124/125 co-relation queries the response was YES. [2021-03-25 22:41:48,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 393 events. 28/393 cut-off events. For 124/125 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1531 event pairs, 2 based on Foata normal form. 1/375 useless extension candidates. Maximal degree in co-relation 440. Up to 17 conditions per place. [2021-03-25 22:41:48,874 INFO L142 LiptonReduction]: Number of co-enabled transitions 1132 [2021-03-25 22:41:49,475 INFO L154 LiptonReduction]: Checked pairs total: 176 [2021-03-25 22:41:49,475 INFO L156 LiptonReduction]: Total number of compositions: 15 [2021-03-25 22:41:49,475 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 644 [2021-03-25 22:41:49,476 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 70 transitions, 336 flow [2021-03-25 22:41:49,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 114.5) internal successors, (1832), 16 states have internal predecessors, (1832), 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 22:41:49,477 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:41:49,477 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 22:41:49,477 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 22:41:49,477 INFO L428 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:41:49,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:41:49,477 INFO L82 PathProgramCache]: Analyzing trace with hash 450165191, now seen corresponding path program 2 times [2021-03-25 22:41:49,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:41:49,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294840021] [2021-03-25 22:41:49,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:41:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:41:49,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:41:49,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:41:49,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 22:41:49,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 22:41:49,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:41:49,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:41:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:41:49,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:41:49,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 22:41:49,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:41:49,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:41:49,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:41:49,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:41:49,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:41:49,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 22:41:49,960 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 22:41:49,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294840021] [2021-03-25 22:41:49,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:41:49,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-25 22:41:49,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371264585] [2021-03-25 22:41:49,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-25 22:41:49,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:41:49,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-25 22:41:49,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-03-25 22:41:49,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 279 [2021-03-25 22:41:49,965 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 70 transitions, 336 flow. Second operand has 16 states, 16 states have (on average 114.5) internal successors, (1832), 16 states have internal predecessors, (1832), 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 22:41:49,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:41:49,965 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 279 [2021-03-25 22:41:49,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:41:50,803 INFO L129 PetriNetUnfolder]: 541/1579 cut-off events. [2021-03-25 22:41:50,803 INFO L130 PetriNetUnfolder]: For 748/754 co-relation queries the response was YES. [2021-03-25 22:41:50,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3652 conditions, 1579 events. 541/1579 cut-off events. For 748/754 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 9332 event pairs, 192 based on Foata normal form. 2/1513 useless extension candidates. Maximal degree in co-relation 2347. Up to 499 conditions per place. [2021-03-25 22:41:50,814 INFO L132 encePairwiseOnDemand]: 267/279 looper letters, 106 selfloop transitions, 13 changer transitions 0/141 dead transitions. [2021-03-25 22:41:50,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 141 transitions, 784 flow [2021-03-25 22:41:50,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:41:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:41:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1248 transitions. [2021-03-25 22:41:50,818 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44731182795698926 [2021-03-25 22:41:50,818 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1248 transitions. [2021-03-25 22:41:50,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1248 transitions. [2021-03-25 22:41:50,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:41:50,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1248 transitions. [2021-03-25 22:41:50,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 124.8) internal successors, (1248), 10 states have internal predecessors, (1248), 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 22:41:50,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 279.0) internal successors, (3069), 11 states have internal predecessors, (3069), 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 22:41:50,825 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 279.0) internal successors, (3069), 11 states have internal predecessors, (3069), 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 22:41:50,825 INFO L185 Difference]: Start difference. First operand has 79 places, 70 transitions, 336 flow. Second operand 10 states and 1248 transitions. [2021-03-25 22:41:50,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 141 transitions, 784 flow [2021-03-25 22:41:50,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 141 transitions, 748 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-03-25 22:41:50,835 INFO L241 Difference]: Finished difference. Result has 85 places, 71 transitions, 348 flow [2021-03-25 22:41:50,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=348, PETRI_PLACES=85, PETRI_TRANSITIONS=71} [2021-03-25 22:41:50,835 INFO L343 CegarLoopForPetriNet]: 70 programPoint places, 15 predicate places. [2021-03-25 22:41:50,835 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:41:50,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 71 transitions, 348 flow [2021-03-25 22:41:50,835 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 71 transitions, 348 flow [2021-03-25 22:41:50,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 71 transitions, 348 flow [2021-03-25 22:41:50,868 INFO L129 PetriNetUnfolder]: 29/409 cut-off events. [2021-03-25 22:41:50,869 INFO L130 PetriNetUnfolder]: For 154/155 co-relation queries the response was YES. [2021-03-25 22:41:50,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 409 events. 29/409 cut-off events. For 154/155 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1785 event pairs, 4 based on Foata normal form. 1/390 useless extension candidates. Maximal degree in co-relation 480. Up to 16 conditions per place. [2021-03-25 22:41:50,873 INFO L142 LiptonReduction]: Number of co-enabled transitions 1060 [2021-03-25 22:41:51,476 INFO L154 LiptonReduction]: Checked pairs total: 90 [2021-03-25 22:41:51,476 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 22:41:51,476 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 641 [2021-03-25 22:41:51,478 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 67 transitions, 327 flow [2021-03-25 22:41:51,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 114.5) internal successors, (1832), 16 states have internal predecessors, (1832), 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 22:41:51,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:41:51,479 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 22:41:51,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 22:41:51,480 INFO L428 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:41:51,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:41:51,481 INFO L82 PathProgramCache]: Analyzing trace with hash -422462978, now seen corresponding path program 1 times [2021-03-25 22:41:51,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:41:51,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611973297] [2021-03-25 22:41:51,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:41:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 22:41:51,533 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 22:41:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 22:41:51,559 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 22:41:51,586 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 22:41:51,586 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 22:41:51,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 22:41:51,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 10:41:51 BasicIcfg [2021-03-25 22:41:51,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 22:41:51,649 INFO L168 Benchmark]: Toolchain (without parser) took 13510.96 ms. Allocated memory was 255.9 MB in the beginning and 599.8 MB in the end (delta: 343.9 MB). Free memory was 232.4 MB in the beginning and 529.0 MB in the end (delta: -296.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.0 GB. [2021-03-25 22:41:51,649 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 22:41:51,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.93 ms. Allocated memory was 255.9 MB in the beginning and 346.0 MB in the end (delta: 90.2 MB). Free memory was 232.0 MB in the beginning and 323.6 MB in the end (delta: -91.6 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.0 GB. [2021-03-25 22:41:51,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.73 ms. Allocated memory is still 346.0 MB. Free memory was 323.6 MB in the beginning and 320.7 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 22:41:51,650 INFO L168 Benchmark]: Boogie Preprocessor took 21.55 ms. Allocated memory is still 346.0 MB. Free memory was 320.7 MB in the beginning and 319.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 22:41:51,651 INFO L168 Benchmark]: RCFGBuilder took 455.48 ms. Allocated memory is still 346.0 MB. Free memory was 319.4 MB in the beginning and 286.5 MB in the end (delta: 32.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-03-25 22:41:51,651 INFO L168 Benchmark]: TraceAbstraction took 12309.15 ms. Allocated memory was 346.0 MB in the beginning and 599.8 MB in the end (delta: 253.8 MB). Free memory was 285.8 MB in the beginning and 529.0 MB in the end (delta: -243.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-03-25 22:41:51,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 665.93 ms. Allocated memory was 255.9 MB in the beginning and 346.0 MB in the end (delta: 90.2 MB). Free memory was 232.0 MB in the beginning and 323.6 MB in the end (delta: -91.6 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.73 ms. Allocated memory is still 346.0 MB. Free memory was 323.6 MB in the beginning and 320.7 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.55 ms. Allocated memory is still 346.0 MB. Free memory was 320.7 MB in the beginning and 319.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 455.48 ms. Allocated memory is still 346.0 MB. Free memory was 319.4 MB in the beginning and 286.5 MB in the end (delta: 32.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12309.15 ms. Allocated memory was 346.0 MB in the beginning and 599.8 MB in the end (delta: 253.8 MB). Free memory was 285.8 MB in the beginning and 529.0 MB in the end (delta: -243.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2354.6ms, 139 PlacesBefore, 70 PlacesAfterwards, 143 TransitionsBefore, 71 TransitionsAfterwards, 6764 CoEnabledTransitionPairs, 5 FixpointIterations, 21 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 3 ChoiceCompositions, 86 TotalNumberOfCompositions, 5162 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3896, positive: 3842, positive conditional: 3842, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3355, positive: 3326, positive conditional: 0, positive unconditional: 3326, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3355, positive: 3326, positive conditional: 0, positive unconditional: 3326, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3355, positive: 3309, positive conditional: 0, positive unconditional: 3309, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3896, positive: 516, positive conditional: 516, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 3355, unknown conditional: 3355, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 135, Positive conditional cache size: 135, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1724.2ms, 69 PlacesBefore, 57 PlacesAfterwards, 70 TransitionsBefore, 58 TransitionsAfterwards, 1806 CoEnabledTransitionPairs, 4 FixpointIterations, 6 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 1047 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 521, positive: 493, positive conditional: 493, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 195, positive: 193, positive conditional: 1, positive unconditional: 192, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, positive: 193, positive conditional: 1, positive unconditional: 192, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 521, positive: 300, positive conditional: 300, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 195, unknown conditional: 195, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 146, Positive conditional cache size: 146, Positive unconditional cache size: 0, Negative cache size: 16, Negative conditional cache size: 16, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1932.7ms, 59 PlacesBefore, 58 PlacesAfterwards, 59 TransitionsBefore, 58 TransitionsAfterwards, 1540 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 442 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 68, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 152, Positive conditional cache size: 152, Positive unconditional cache size: 0, Negative cache size: 19, Negative conditional cache size: 19, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.2ms, 61 PlacesBefore, 61 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 1626 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 34 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 34, positive conditional: 2, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 34, positive: 34, positive conditional: 2, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, 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: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 205, Positive cache size: 186, Positive conditional cache size: 186, Positive unconditional cache size: 0, Negative cache size: 19, Negative conditional cache size: 19, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 364.8ms, 61 PlacesBefore, 57 PlacesAfterwards, 60 TransitionsBefore, 56 TransitionsAfterwards, 866 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 56 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 1, positive unconditional: 47, 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: 48, positive: 48, positive conditional: 1, positive unconditional: 47, 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: 48, positive: 48, positive conditional: 0, positive unconditional: 48, 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: 56, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 101, Positive conditional cache size: 101, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.7ms, 63 PlacesBefore, 62 PlacesAfterwards, 60 TransitionsBefore, 59 TransitionsAfterwards, 874 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 30 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 30, positive conditional: 10, positive unconditional: 20, 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: 30, positive: 30, positive conditional: 10, positive unconditional: 20, 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: 30, positive: 30, positive conditional: 0, positive unconditional: 30, 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: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 99, Positive conditional cache size: 99, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 644.0ms, 84 PlacesBefore, 79 PlacesAfterwards, 75 TransitionsBefore, 70 TransitionsAfterwards, 1132 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 15 TotalNumberOfCompositions, 176 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 176, positive: 176, positive conditional: 176, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, positive: 158, positive conditional: 61, positive unconditional: 97, 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: 158, positive: 158, positive conditional: 61, positive unconditional: 97, 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: 158, positive: 158, positive conditional: 0, positive unconditional: 158, 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: 176, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 158, unknown conditional: 158, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 198, Positive cache size: 197, Positive conditional cache size: 197, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 641.0ms, 85 PlacesBefore, 78 PlacesAfterwards, 71 TransitionsBefore, 67 TransitionsAfterwards, 1060 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 90 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 65, positive conditional: 47, positive unconditional: 18, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 65, positive conditional: 47, positive unconditional: 18, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 66, unknown conditional: 66, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 221, Positive cache size: 219, Positive conditional cache size: 219, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - CounterExampleResult [Line: 941]: 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[(5)]; [L937] 0 pthread_mutex_t m; [L938] 0 _Bool flag=(0); [L1021] 0 pthread_t id1, id2; [L1023] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={9:0}, flag=0, m={3:0}, top=0] [L990] 1 int i; [L991] 1 unsigned int tmp; [L992] 1 i=0 VAL [arr={9:0}, flag=0, m={3:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [arr={9:0}, flag=0, m={3:0}, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() [L23] COND FALSE 1 !(!cond) [L962] COND FALSE 1 !(top==(5)) [L954] 1 return top; [L969] 1 stack[get_top()] = x [L946] 1 top++ [L972] 1 return 0; [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arr={9:0}, flag=0, m={3:0}, top=1] [L999] 1 flag=(1) VAL [arr={9:0}, flag=1, m={3:0}, top=1] [L1024] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={9:0}, flag=1, m={3:0}, top=1] [L1006] 2 int i; VAL [arr={9:0}, flag=1, m={3:0}, top=1] [L1007] 2 i=0 VAL [arr={9:0}, flag=1, m={3:0}, top=1] [L1007] COND TRUE 2 i<(5) VAL [arr={9:0}, flag=1, m={3:0}, top=1] [L1010] COND TRUE 2 \read(flag) [L954] 2 return top; [L976] COND FALSE 2 !(get_top()==0) [L950] 2 top-- [L954] 2 return top; [L984] EXPR 2 stack[get_top()] [L984] 2 return stack[get_top()]; [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) [L1007] 2 i++ VAL [arr={9:0}, flag=1, m={3:0}, top=0] [L1007] COND TRUE 2 i<(5) VAL [arr={9:0}, flag=1, m={3:0}, top=0] [L1010] COND TRUE 2 \read(flag) [L954] 2 return top; [L976] COND TRUE 2 get_top()==0 VAL [arr={9:0}, flag=1, m={3:0}, top=0] [L979] 2 return (-2); [L1012] COND TRUE 2 !(pop(arr)!=(-2)) [L941] 2 reach_error() VAL [arr={9:0}, flag=1, m={3:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 144 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 12063.8ms, OverallIterations: 8, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 2324.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2473.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 97 SDtfs, 247 SDslu, 466 SDs, 0 SdLazy, 1263 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 900.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1238.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=6, InterpolantAutomatonStates: 42, 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: 21.9ms SsaConstructionTime, 241.8ms SatisfiabilityAnalysisTime, 1293.7ms InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 2456 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...