/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 00:51:58,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 00:51:58,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 00:51:58,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 00:51:58,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 00:51:58,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 00:51:58,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 00:51:58,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 00:51:58,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 00:51:58,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 00:51:58,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 00:51:58,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 00:51:58,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 00:51:58,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 00:51:58,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 00:51:58,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 00:51:58,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 00:51:58,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 00:51:58,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 00:51:58,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 00:51:58,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 00:51:58,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 00:51:58,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 00:51:58,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 00:51:58,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 00:51:58,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 00:51:58,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 00:51:58,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 00:51:58,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 00:51:58,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 00:51:58,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 00:51:58,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 00:51:58,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 00:51:58,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 00:51:58,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 00:51:58,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 00:51:58,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 00:51:58,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 00:51:58,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 00:51:58,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 00:51:58,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 00:51:58,203 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-NoLbe.epf [2022-01-19 00:51:58,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 00:51:58,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 00:51:58,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 00:51:58,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 00:51:58,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 00:51:58,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 00:51:58,230 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 00:51:58,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 00:51:58,231 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 00:51:58,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 00:51:58,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 00:51:58,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 00:51:58,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 00:51:58,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 00:51:58,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 00:51:58,231 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 00:51:58,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 00:51:58,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 00:51:58,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 00:51:58,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 00:51:58,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 00:51:58,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 00:51:58,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 00:51:58,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 00:51:58,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 00:51:58,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 00:51:58,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 00:51:58,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 00:51:58,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 00:51:58,233 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 00:51:58,233 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 00:51:58,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 00:51:58,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 00:51:58,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 00:51:58,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 00:51:58,478 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 00:51:58,479 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 00:51:58,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c [2022-01-19 00:51:58,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a66740d7b/73ab9f7833f0473791cdd0051ca07b1e/FLAGaf08f2fa1 [2022-01-19 00:51:58,901 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 00:51:58,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c [2022-01-19 00:51:58,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a66740d7b/73ab9f7833f0473791cdd0051ca07b1e/FLAGaf08f2fa1 [2022-01-19 00:51:58,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a66740d7b/73ab9f7833f0473791cdd0051ca07b1e [2022-01-19 00:51:58,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 00:51:58,919 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 00:51:58,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 00:51:58,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 00:51:58,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 00:51:58,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:51:58" (1/1) ... [2022-01-19 00:51:58,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c6809f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:58, skipping insertion in model container [2022-01-19 00:51:58,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:51:58" (1/1) ... [2022-01-19 00:51:58,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 00:51:58,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 00:51:59,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c[2514,2527] [2022-01-19 00:51:59,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 00:51:59,115 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 00:51:59,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c[2514,2527] [2022-01-19 00:51:59,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 00:51:59,147 INFO L208 MainTranslator]: Completed translation [2022-01-19 00:51:59,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59 WrapperNode [2022-01-19 00:51:59,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 00:51:59,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 00:51:59,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 00:51:59,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 00:51:59,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (1/1) ... [2022-01-19 00:51:59,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (1/1) ... [2022-01-19 00:51:59,180 INFO L137 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 175 [2022-01-19 00:51:59,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 00:51:59,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 00:51:59,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 00:51:59,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 00:51:59,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (1/1) ... [2022-01-19 00:51:59,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (1/1) ... [2022-01-19 00:51:59,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (1/1) ... [2022-01-19 00:51:59,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (1/1) ... [2022-01-19 00:51:59,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (1/1) ... [2022-01-19 00:51:59,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (1/1) ... [2022-01-19 00:51:59,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (1/1) ... [2022-01-19 00:51:59,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 00:51:59,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 00:51:59,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 00:51:59,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 00:51:59,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (1/1) ... [2022-01-19 00:51:59,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 00:51:59,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:51:59,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 00:51:59,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 00:51:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 00:51:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 00:51:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 00:51:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 00:51:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 00:51:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 00:51:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 00:51:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 00:51:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 00:51:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 00:51:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 00:51:59,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 00:51:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 00:51:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 00:51:59,281 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 00:51:59,352 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 00:51:59,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 00:51:59,597 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 00:51:59,607 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 00:51:59,608 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 00:51:59,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:51:59 BoogieIcfgContainer [2022-01-19 00:51:59,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 00:51:59,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 00:51:59,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 00:51:59,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 00:51:59,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 12:51:58" (1/3) ... [2022-01-19 00:51:59,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf2344e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:51:59, skipping insertion in model container [2022-01-19 00:51:59,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:51:59" (2/3) ... [2022-01-19 00:51:59,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf2344e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:51:59, skipping insertion in model container [2022-01-19 00:51:59,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:51:59" (3/3) ... [2022-01-19 00:51:59,616 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-trans.wvr.c [2022-01-19 00:51:59,620 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 00:51:59,620 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 00:51:59,620 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 00:51:59,690 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,690 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,690 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,690 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,696 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,696 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,696 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,696 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,696 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,697 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,697 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,697 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,697 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,697 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,697 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,712 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,712 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,712 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,712 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,715 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,715 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,715 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,715 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,715 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,716 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,716 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,716 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,716 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,716 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,716 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,717 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,717 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,717 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,717 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,717 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,717 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,717 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,718 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,718 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,718 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,718 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,718 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,718 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,719 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,719 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,719 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,719 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,719 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,719 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,720 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,720 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,720 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,720 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,722 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,722 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,722 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,722 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,722 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,727 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,727 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,727 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,727 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,727 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,730 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,730 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,730 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,731 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,731 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,731 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,731 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,731 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,731 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,732 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,732 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,732 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,732 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,732 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,732 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,732 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,741 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,741 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,741 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,741 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,741 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,746 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,746 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,746 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,746 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,747 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,749 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,749 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,750 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,750 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,750 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,750 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,750 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,750 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,750 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,751 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,751 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,751 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,751 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:51:59,760 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 00:51:59,797 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 00:51:59,803 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 00:51:59,803 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 00:51:59,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 227 transitions, 478 flow [2022-01-19 00:51:59,894 INFO L129 PetriNetUnfolder]: 16/224 cut-off events. [2022-01-19 00:51:59,895 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 00:51:59,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 224 events. 16/224 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 509 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2022-01-19 00:51:59,912 INFO L82 GeneralOperation]: Start removeDead. Operand has 221 places, 227 transitions, 478 flow [2022-01-19 00:51:59,926 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 213 transitions, 444 flow [2022-01-19 00:51:59,974 INFO L129 PetriNetUnfolder]: 16/212 cut-off events. [2022-01-19 00:51:59,974 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 00:51:59,974 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:51:59,984 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-01-19 00:51:59,984 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:51:59,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:51:59,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1581423108, now seen corresponding path program 1 times [2022-01-19 00:51:59,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:51:59,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655244411] [2022-01-19 00:51:59,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:51:59,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:00,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:00,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655244411] [2022-01-19 00:52:00,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655244411] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:00,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:00,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 00:52:00,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495480820] [2022-01-19 00:52:00,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:00,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 00:52:00,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:00,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 00:52:00,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 00:52:00,281 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 227 [2022-01-19 00:52:00,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 213 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2022-01-19 00:52:00,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:00,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 227 [2022-01-19 00:52:00,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:00,437 INFO L129 PetriNetUnfolder]: 60/750 cut-off events. [2022-01-19 00:52:00,437 INFO L130 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2022-01-19 00:52:00,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 750 events. 60/750 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4934 event pairs, 13 based on Foata normal form. 44/713 useless extension candidates. Maximal degree in co-relation 714. Up to 45 conditions per place. [2022-01-19 00:52:00,448 INFO L132 encePairwiseOnDemand]: 212/227 looper letters, 17 selfloop transitions, 5 changer transitions 1/214 dead transitions. [2022-01-19 00:52:00,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 214 transitions, 505 flow [2022-01-19 00:52:00,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 00:52:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 00:52:00,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2022-01-19 00:52:00,462 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.960352422907489 [2022-01-19 00:52:00,463 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 654 transitions. [2022-01-19 00:52:00,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 654 transitions. [2022-01-19 00:52:00,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:00,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 654 transitions. [2022-01-19 00:52:00,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2022-01-19 00:52:00,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:00,477 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:00,479 INFO L186 Difference]: Start difference. First operand has 207 places, 213 transitions, 444 flow. Second operand 3 states and 654 transitions. [2022-01-19 00:52:00,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 214 transitions, 505 flow [2022-01-19 00:52:00,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 214 transitions, 483 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 00:52:00,488 INFO L242 Difference]: Finished difference. Result has 205 places, 208 transitions, 454 flow [2022-01-19 00:52:00,489 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=205, PETRI_TRANSITIONS=208} [2022-01-19 00:52:00,494 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, -2 predicate places. [2022-01-19 00:52:00,494 INFO L470 AbstractCegarLoop]: Abstraction has has 205 places, 208 transitions, 454 flow [2022-01-19 00:52:00,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2022-01-19 00:52:00,494 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:00,495 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-01-19 00:52:00,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 00:52:00,496 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:00,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:00,497 INFO L85 PathProgramCache]: Analyzing trace with hash 19351290, now seen corresponding path program 1 times [2022-01-19 00:52:00,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:00,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271647743] [2022-01-19 00:52:00,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:00,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:00,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:00,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271647743] [2022-01-19 00:52:00,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271647743] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:00,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:00,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 00:52:00,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403400795] [2022-01-19 00:52:00,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:00,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 00:52:00,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:00,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 00:52:00,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 00:52:00,619 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 227 [2022-01-19 00:52:00,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 208 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2022-01-19 00:52:00,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:00,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 227 [2022-01-19 00:52:00,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:00,742 INFO L129 PetriNetUnfolder]: 47/660 cut-off events. [2022-01-19 00:52:00,742 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2022-01-19 00:52:00,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 660 events. 47/660 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4006 event pairs, 9 based on Foata normal form. 9/615 useless extension candidates. Maximal degree in co-relation 529. Up to 34 conditions per place. [2022-01-19 00:52:00,751 INFO L132 encePairwiseOnDemand]: 221/227 looper letters, 22 selfloop transitions, 3 changer transitions 0/216 dead transitions. [2022-01-19 00:52:00,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 216 transitions, 531 flow [2022-01-19 00:52:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 00:52:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 00:52:00,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 640 transitions. [2022-01-19 00:52:00,754 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9397944199706314 [2022-01-19 00:52:00,754 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 640 transitions. [2022-01-19 00:52:00,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 640 transitions. [2022-01-19 00:52:00,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:00,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 640 transitions. [2022-01-19 00:52:00,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 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) [2022-01-19 00:52:00,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:00,761 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:00,761 INFO L186 Difference]: Start difference. First operand has 205 places, 208 transitions, 454 flow. Second operand 3 states and 640 transitions. [2022-01-19 00:52:00,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 216 transitions, 531 flow [2022-01-19 00:52:00,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 216 transitions, 521 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 00:52:00,772 INFO L242 Difference]: Finished difference. Result has 206 places, 211 transitions, 480 flow [2022-01-19 00:52:00,773 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=206, PETRI_TRANSITIONS=211} [2022-01-19 00:52:00,774 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, -1 predicate places. [2022-01-19 00:52:00,774 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 211 transitions, 480 flow [2022-01-19 00:52:00,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2022-01-19 00:52:00,775 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:00,775 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-01-19 00:52:00,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 00:52:00,776 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:00,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:00,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1740213102, now seen corresponding path program 1 times [2022-01-19 00:52:00,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:00,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135095847] [2022-01-19 00:52:00,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:00,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:00,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:00,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:00,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135095847] [2022-01-19 00:52:00,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135095847] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:00,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:00,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:52:00,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57247096] [2022-01-19 00:52:00,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:00,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:52:00,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:00,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:52:00,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:52:00,971 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 227 [2022-01-19 00:52:00,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 211 transitions, 480 flow. Second operand has 7 states, 7 states have (on average 202.28571428571428) internal successors, (1416), 7 states have internal predecessors, (1416), 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) [2022-01-19 00:52:00,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:00,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 227 [2022-01-19 00:52:00,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:01,146 INFO L129 PetriNetUnfolder]: 68/533 cut-off events. [2022-01-19 00:52:01,146 INFO L130 PetriNetUnfolder]: For 40/64 co-relation queries the response was YES. [2022-01-19 00:52:01,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 533 events. 68/533 cut-off events. For 40/64 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3424 event pairs, 16 based on Foata normal form. 2/497 useless extension candidates. Maximal degree in co-relation 491. Up to 79 conditions per place. [2022-01-19 00:52:01,156 INFO L132 encePairwiseOnDemand]: 218/227 looper letters, 23 selfloop transitions, 6 changer transitions 4/226 dead transitions. [2022-01-19 00:52:01,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 226 transitions, 584 flow [2022-01-19 00:52:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 00:52:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 00:52:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1434 transitions. [2022-01-19 00:52:01,160 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9024543738200126 [2022-01-19 00:52:01,160 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1434 transitions. [2022-01-19 00:52:01,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1434 transitions. [2022-01-19 00:52:01,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:01,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1434 transitions. [2022-01-19 00:52:01,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 204.85714285714286) internal successors, (1434), 7 states have internal predecessors, (1434), 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) [2022-01-19 00:52:01,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 227.0) internal successors, (1816), 8 states have internal predecessors, (1816), 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) [2022-01-19 00:52:01,179 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 227.0) internal successors, (1816), 8 states have internal predecessors, (1816), 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) [2022-01-19 00:52:01,179 INFO L186 Difference]: Start difference. First operand has 206 places, 211 transitions, 480 flow. Second operand 7 states and 1434 transitions. [2022-01-19 00:52:01,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 226 transitions, 584 flow [2022-01-19 00:52:01,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 226 transitions, 575 flow, removed 3 selfloop flow, removed 1 redundant places. [2022-01-19 00:52:01,185 INFO L242 Difference]: Finished difference. Result has 216 places, 215 transitions, 515 flow [2022-01-19 00:52:01,185 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=515, PETRI_PLACES=216, PETRI_TRANSITIONS=215} [2022-01-19 00:52:01,187 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 9 predicate places. [2022-01-19 00:52:01,187 INFO L470 AbstractCegarLoop]: Abstraction has has 216 places, 215 transitions, 515 flow [2022-01-19 00:52:01,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 202.28571428571428) internal successors, (1416), 7 states have internal predecessors, (1416), 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) [2022-01-19 00:52:01,188 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:01,189 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-01-19 00:52:01,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 00:52:01,189 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:01,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:01,190 INFO L85 PathProgramCache]: Analyzing trace with hash -617495066, now seen corresponding path program 1 times [2022-01-19 00:52:01,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:01,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578670997] [2022-01-19 00:52:01,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:01,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:01,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:01,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578670997] [2022-01-19 00:52:01,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578670997] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:01,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:01,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 00:52:01,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800681318] [2022-01-19 00:52:01,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:01,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 00:52:01,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:01,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 00:52:01,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 00:52:01,271 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 227 [2022-01-19 00:52:01,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 215 transitions, 515 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2022-01-19 00:52:01,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:01,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 227 [2022-01-19 00:52:01,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:01,533 INFO L129 PetriNetUnfolder]: 123/2101 cut-off events. [2022-01-19 00:52:01,534 INFO L130 PetriNetUnfolder]: For 87/103 co-relation queries the response was YES. [2022-01-19 00:52:01,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2687 conditions, 2101 events. 123/2101 cut-off events. For 87/103 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 20064 event pairs, 38 based on Foata normal form. 0/1913 useless extension candidates. Maximal degree in co-relation 2665. Up to 135 conditions per place. [2022-01-19 00:52:01,552 INFO L132 encePairwiseOnDemand]: 219/227 looper letters, 20 selfloop transitions, 4 changer transitions 0/223 dead transitions. [2022-01-19 00:52:01,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 223 transitions, 583 flow [2022-01-19 00:52:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 00:52:01,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 00:52:01,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions. [2022-01-19 00:52:01,554 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9353891336270191 [2022-01-19 00:52:01,555 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 637 transitions. [2022-01-19 00:52:01,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 637 transitions. [2022-01-19 00:52:01,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:01,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 637 transitions. [2022-01-19 00:52:01,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 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) [2022-01-19 00:52:01,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:01,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:01,558 INFO L186 Difference]: Start difference. First operand has 216 places, 215 transitions, 515 flow. Second operand 3 states and 637 transitions. [2022-01-19 00:52:01,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 223 transitions, 583 flow [2022-01-19 00:52:01,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 223 transitions, 577 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-01-19 00:52:01,566 INFO L242 Difference]: Finished difference. Result has 215 places, 219 transitions, 549 flow [2022-01-19 00:52:01,566 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=215, PETRI_TRANSITIONS=219} [2022-01-19 00:52:01,566 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 8 predicate places. [2022-01-19 00:52:01,567 INFO L470 AbstractCegarLoop]: Abstraction has has 215 places, 219 transitions, 549 flow [2022-01-19 00:52:01,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2022-01-19 00:52:01,567 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:01,567 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-01-19 00:52:01,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 00:52:01,568 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:01,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:01,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1210620442, now seen corresponding path program 2 times [2022-01-19 00:52:01,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:01,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205042556] [2022-01-19 00:52:01,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:01,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:01,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:01,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205042556] [2022-01-19 00:52:01,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205042556] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:01,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:01,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 00:52:01,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860779301] [2022-01-19 00:52:01,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:01,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 00:52:01,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:01,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 00:52:01,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 00:52:01,610 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 227 [2022-01-19 00:52:01,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 219 transitions, 549 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2022-01-19 00:52:01,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:01,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 227 [2022-01-19 00:52:01,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:01,815 INFO L129 PetriNetUnfolder]: 104/1343 cut-off events. [2022-01-19 00:52:01,816 INFO L130 PetriNetUnfolder]: For 183/199 co-relation queries the response was YES. [2022-01-19 00:52:01,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1828 conditions, 1343 events. 104/1343 cut-off events. For 183/199 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 10481 event pairs, 24 based on Foata normal form. 28/1271 useless extension candidates. Maximal degree in co-relation 1361. Up to 87 conditions per place. [2022-01-19 00:52:01,828 INFO L132 encePairwiseOnDemand]: 217/227 looper letters, 22 selfloop transitions, 6 changer transitions 0/227 dead transitions. [2022-01-19 00:52:01,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 227 transitions, 633 flow [2022-01-19 00:52:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 00:52:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 00:52:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions. [2022-01-19 00:52:01,831 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9353891336270191 [2022-01-19 00:52:01,831 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 637 transitions. [2022-01-19 00:52:01,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 637 transitions. [2022-01-19 00:52:01,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:01,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 637 transitions. [2022-01-19 00:52:01,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 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) [2022-01-19 00:52:01,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:01,836 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:01,836 INFO L186 Difference]: Start difference. First operand has 215 places, 219 transitions, 549 flow. Second operand 3 states and 637 transitions. [2022-01-19 00:52:01,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 227 transitions, 633 flow [2022-01-19 00:52:01,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 227 transitions, 629 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 00:52:01,842 INFO L242 Difference]: Finished difference. Result has 218 places, 223 transitions, 601 flow [2022-01-19 00:52:01,842 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=218, PETRI_TRANSITIONS=223} [2022-01-19 00:52:01,844 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 11 predicate places. [2022-01-19 00:52:01,844 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 223 transitions, 601 flow [2022-01-19 00:52:01,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2022-01-19 00:52:01,845 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:01,845 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-01-19 00:52:01,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 00:52:01,845 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:01,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:01,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1737319360, now seen corresponding path program 1 times [2022-01-19 00:52:01,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:01,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197086604] [2022-01-19 00:52:01,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:01,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:01,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:01,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197086604] [2022-01-19 00:52:01,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197086604] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:01,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:01,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 00:52:01,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23957574] [2022-01-19 00:52:01,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:01,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 00:52:01,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:01,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 00:52:01,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 00:52:01,899 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 227 [2022-01-19 00:52:01,900 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 223 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2022-01-19 00:52:01,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:01,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 227 [2022-01-19 00:52:01,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:02,097 INFO L129 PetriNetUnfolder]: 86/1915 cut-off events. [2022-01-19 00:52:02,097 INFO L130 PetriNetUnfolder]: For 164/317 co-relation queries the response was YES. [2022-01-19 00:52:02,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2459 conditions, 1915 events. 86/1915 cut-off events. For 164/317 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 17665 event pairs, 12 based on Foata normal form. 0/1804 useless extension candidates. Maximal degree in co-relation 1948. Up to 66 conditions per place. [2022-01-19 00:52:02,117 INFO L132 encePairwiseOnDemand]: 223/227 looper letters, 17 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2022-01-19 00:52:02,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 230 transitions, 658 flow [2022-01-19 00:52:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 00:52:02,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 00:52:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-01-19 00:52:02,119 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9427312775330396 [2022-01-19 00:52:02,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-01-19 00:52:02,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-01-19 00:52:02,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:02,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-01-19 00:52:02,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 00:52:02,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:02,122 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:02,123 INFO L186 Difference]: Start difference. First operand has 218 places, 223 transitions, 601 flow. Second operand 3 states and 642 transitions. [2022-01-19 00:52:02,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 230 transitions, 658 flow [2022-01-19 00:52:02,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 230 transitions, 638 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-01-19 00:52:02,184 INFO L242 Difference]: Finished difference. Result has 220 places, 225 transitions, 601 flow [2022-01-19 00:52:02,184 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=581, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=220, PETRI_TRANSITIONS=225} [2022-01-19 00:52:02,185 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 13 predicate places. [2022-01-19 00:52:02,185 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 225 transitions, 601 flow [2022-01-19 00:52:02,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2022-01-19 00:52:02,185 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:02,186 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-01-19 00:52:02,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 00:52:02,186 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:02,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:02,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1699236460, now seen corresponding path program 2 times [2022-01-19 00:52:02,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:02,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270239868] [2022-01-19 00:52:02,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:02,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:02,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:02,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270239868] [2022-01-19 00:52:02,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270239868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:02,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:02,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 00:52:02,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201426774] [2022-01-19 00:52:02,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:02,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 00:52:02,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:02,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 00:52:02,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 00:52:02,215 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 227 [2022-01-19 00:52:02,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 225 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2022-01-19 00:52:02,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:02,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 227 [2022-01-19 00:52:02,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:02,379 INFO L129 PetriNetUnfolder]: 58/1655 cut-off events. [2022-01-19 00:52:02,379 INFO L130 PetriNetUnfolder]: For 109/161 co-relation queries the response was YES. [2022-01-19 00:52:02,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2085 conditions, 1655 events. 58/1655 cut-off events. For 109/161 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 13399 event pairs, 14 based on Foata normal form. 8/1561 useless extension candidates. Maximal degree in co-relation 1597. Up to 56 conditions per place. [2022-01-19 00:52:02,394 INFO L132 encePairwiseOnDemand]: 221/227 looper letters, 17 selfloop transitions, 4 changer transitions 0/232 dead transitions. [2022-01-19 00:52:02,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 232 transitions, 666 flow [2022-01-19 00:52:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 00:52:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 00:52:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-01-19 00:52:02,397 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9427312775330396 [2022-01-19 00:52:02,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-01-19 00:52:02,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-01-19 00:52:02,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:02,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-01-19 00:52:02,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 00:52:02,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:02,400 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2022-01-19 00:52:02,400 INFO L186 Difference]: Start difference. First operand has 220 places, 225 transitions, 601 flow. Second operand 3 states and 642 transitions. [2022-01-19 00:52:02,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 232 transitions, 666 flow [2022-01-19 00:52:02,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 232 transitions, 664 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 00:52:02,406 INFO L242 Difference]: Finished difference. Result has 223 places, 227 transitions, 631 flow [2022-01-19 00:52:02,406 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=223, PETRI_TRANSITIONS=227} [2022-01-19 00:52:02,406 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 16 predicate places. [2022-01-19 00:52:02,407 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 227 transitions, 631 flow [2022-01-19 00:52:02,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2022-01-19 00:52:02,407 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:02,407 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-01-19 00:52:02,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 00:52:02,408 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:02,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:02,408 INFO L85 PathProgramCache]: Analyzing trace with hash 94625712, now seen corresponding path program 1 times [2022-01-19 00:52:02,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:02,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132577564] [2022-01-19 00:52:02,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:02,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:02,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:02,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132577564] [2022-01-19 00:52:02,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132577564] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:02,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:02,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:52:02,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267884304] [2022-01-19 00:52:02,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:02,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:52:02,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:02,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:52:02,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:52:02,487 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 227 [2022-01-19 00:52:02,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 227 transitions, 631 flow. Second operand has 7 states, 7 states have (on average 198.85714285714286) internal successors, (1392), 7 states have internal predecessors, (1392), 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) [2022-01-19 00:52:02,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:02,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 227 [2022-01-19 00:52:02,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:02,971 INFO L129 PetriNetUnfolder]: 540/3266 cut-off events. [2022-01-19 00:52:02,971 INFO L130 PetriNetUnfolder]: For 502/671 co-relation queries the response was YES. [2022-01-19 00:52:02,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5164 conditions, 3266 events. 540/3266 cut-off events. For 502/671 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 32832 event pairs, 368 based on Foata normal form. 47/3062 useless extension candidates. Maximal degree in co-relation 3651. Up to 887 conditions per place. [2022-01-19 00:52:02,993 INFO L132 encePairwiseOnDemand]: 215/227 looper letters, 31 selfloop transitions, 15 changer transitions 7/257 dead transitions. [2022-01-19 00:52:02,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 257 transitions, 820 flow [2022-01-19 00:52:02,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 00:52:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 00:52:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1817 transitions. [2022-01-19 00:52:02,997 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8893783651492903 [2022-01-19 00:52:02,997 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1817 transitions. [2022-01-19 00:52:02,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1817 transitions. [2022-01-19 00:52:02,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:02,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1817 transitions. [2022-01-19 00:52:03,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 201.88888888888889) internal successors, (1817), 9 states have internal predecessors, (1817), 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) [2022-01-19 00:52:03,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 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) [2022-01-19 00:52:03,007 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 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) [2022-01-19 00:52:03,007 INFO L186 Difference]: Start difference. First operand has 223 places, 227 transitions, 631 flow. Second operand 9 states and 1817 transitions. [2022-01-19 00:52:03,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 257 transitions, 820 flow [2022-01-19 00:52:03,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 257 transitions, 808 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-01-19 00:52:03,015 INFO L242 Difference]: Finished difference. Result has 236 places, 239 transitions, 729 flow [2022-01-19 00:52:03,015 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=729, PETRI_PLACES=236, PETRI_TRANSITIONS=239} [2022-01-19 00:52:03,016 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 29 predicate places. [2022-01-19 00:52:03,016 INFO L470 AbstractCegarLoop]: Abstraction has has 236 places, 239 transitions, 729 flow [2022-01-19 00:52:03,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 198.85714285714286) internal successors, (1392), 7 states have internal predecessors, (1392), 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) [2022-01-19 00:52:03,017 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:03,017 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-01-19 00:52:03,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 00:52:03,018 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:03,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:03,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1476418978, now seen corresponding path program 2 times [2022-01-19 00:52:03,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:03,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208001948] [2022-01-19 00:52:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:03,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:03,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:03,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:03,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208001948] [2022-01-19 00:52:03,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208001948] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:03,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:03,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:52:03,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132503590] [2022-01-19 00:52:03,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:03,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:52:03,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:03,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:52:03,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:52:03,101 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 227 [2022-01-19 00:52:03,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 239 transitions, 729 flow. Second operand has 8 states, 8 states have (on average 198.5) internal successors, (1588), 8 states have internal predecessors, (1588), 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) [2022-01-19 00:52:03,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:03,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 227 [2022-01-19 00:52:03,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:03,517 INFO L129 PetriNetUnfolder]: 540/3282 cut-off events. [2022-01-19 00:52:03,517 INFO L130 PetriNetUnfolder]: For 2996/3837 co-relation queries the response was YES. [2022-01-19 00:52:03,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6726 conditions, 3282 events. 540/3282 cut-off events. For 2996/3837 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 32957 event pairs, 366 based on Foata normal form. 80/3113 useless extension candidates. Maximal degree in co-relation 6687. Up to 827 conditions per place. [2022-01-19 00:52:03,551 INFO L132 encePairwiseOnDemand]: 217/227 looper letters, 25 selfloop transitions, 9 changer transitions 27/263 dead transitions. [2022-01-19 00:52:03,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 263 transitions, 982 flow [2022-01-19 00:52:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 00:52:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 00:52:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2011 transitions. [2022-01-19 00:52:03,556 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8859030837004406 [2022-01-19 00:52:03,556 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2011 transitions. [2022-01-19 00:52:03,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2011 transitions. [2022-01-19 00:52:03,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:03,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2011 transitions. [2022-01-19 00:52:03,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 201.1) internal successors, (2011), 10 states have internal predecessors, (2011), 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) [2022-01-19 00:52:03,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 227.0) internal successors, (2497), 11 states have internal predecessors, (2497), 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) [2022-01-19 00:52:03,565 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 227.0) internal successors, (2497), 11 states have internal predecessors, (2497), 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) [2022-01-19 00:52:03,565 INFO L186 Difference]: Start difference. First operand has 236 places, 239 transitions, 729 flow. Second operand 10 states and 2011 transitions. [2022-01-19 00:52:03,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 263 transitions, 982 flow [2022-01-19 00:52:03,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 263 transitions, 976 flow, removed 3 selfloop flow, removed 2 redundant places. [2022-01-19 00:52:03,577 INFO L242 Difference]: Finished difference. Result has 244 places, 234 transitions, 726 flow [2022-01-19 00:52:03,578 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=726, PETRI_PLACES=244, PETRI_TRANSITIONS=234} [2022-01-19 00:52:03,578 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 37 predicate places. [2022-01-19 00:52:03,578 INFO L470 AbstractCegarLoop]: Abstraction has has 244 places, 234 transitions, 726 flow [2022-01-19 00:52:03,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 198.5) internal successors, (1588), 8 states have internal predecessors, (1588), 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) [2022-01-19 00:52:03,579 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:03,579 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-01-19 00:52:03,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-19 00:52:03,580 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:03,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:03,580 INFO L85 PathProgramCache]: Analyzing trace with hash 646825920, now seen corresponding path program 1 times [2022-01-19 00:52:03,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:03,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603629030] [2022-01-19 00:52:03,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:03,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:03,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:03,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603629030] [2022-01-19 00:52:03,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603629030] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:03,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:03,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:52:03,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192252195] [2022-01-19 00:52:03,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:03,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:52:03,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:03,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:52:03,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:52:03,659 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 227 [2022-01-19 00:52:03,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 234 transitions, 726 flow. Second operand has 8 states, 8 states have (on average 198.5) internal successors, (1588), 8 states have internal predecessors, (1588), 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) [2022-01-19 00:52:03,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:03,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 227 [2022-01-19 00:52:03,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:04,090 INFO L129 PetriNetUnfolder]: 457/2698 cut-off events. [2022-01-19 00:52:04,090 INFO L130 PetriNetUnfolder]: For 1578/1915 co-relation queries the response was YES. [2022-01-19 00:52:04,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5439 conditions, 2698 events. 457/2698 cut-off events. For 1578/1915 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 25945 event pairs, 287 based on Foata normal form. 28/2493 useless extension candidates. Maximal degree in co-relation 5408. Up to 663 conditions per place. [2022-01-19 00:52:04,118 INFO L132 encePairwiseOnDemand]: 217/227 looper letters, 36 selfloop transitions, 7 changer transitions 18/263 dead transitions. [2022-01-19 00:52:04,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 263 transitions, 970 flow [2022-01-19 00:52:04,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 00:52:04,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 00:52:04,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2012 transitions. [2022-01-19 00:52:04,123 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8863436123348017 [2022-01-19 00:52:04,123 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2012 transitions. [2022-01-19 00:52:04,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2012 transitions. [2022-01-19 00:52:04,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:04,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2012 transitions. [2022-01-19 00:52:04,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 201.2) internal successors, (2012), 10 states have internal predecessors, (2012), 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) [2022-01-19 00:52:04,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 227.0) internal successors, (2497), 11 states have internal predecessors, (2497), 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) [2022-01-19 00:52:04,133 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 227.0) internal successors, (2497), 11 states have internal predecessors, (2497), 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) [2022-01-19 00:52:04,133 INFO L186 Difference]: Start difference. First operand has 244 places, 234 transitions, 726 flow. Second operand 10 states and 2012 transitions. [2022-01-19 00:52:04,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 263 transitions, 970 flow [2022-01-19 00:52:04,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 263 transitions, 959 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-01-19 00:52:04,146 INFO L242 Difference]: Finished difference. Result has 254 places, 235 transitions, 761 flow [2022-01-19 00:52:04,146 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=761, PETRI_PLACES=254, PETRI_TRANSITIONS=235} [2022-01-19 00:52:04,147 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 47 predicate places. [2022-01-19 00:52:04,147 INFO L470 AbstractCegarLoop]: Abstraction has has 254 places, 235 transitions, 761 flow [2022-01-19 00:52:04,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 198.5) internal successors, (1588), 8 states have internal predecessors, (1588), 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) [2022-01-19 00:52:04,148 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:04,148 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:52:04,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-19 00:52:04,148 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:04,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:04,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1405558153, now seen corresponding path program 1 times [2022-01-19 00:52:04,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:04,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883947168] [2022-01-19 00:52:04,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:04,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:04,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:04,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883947168] [2022-01-19 00:52:04,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883947168] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:04,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:04,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:52:04,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450074835] [2022-01-19 00:52:04,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:04,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:52:04,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:04,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:52:04,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:52:04,218 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 227 [2022-01-19 00:52:04,219 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 235 transitions, 761 flow. Second operand has 7 states, 7 states have (on average 202.28571428571428) internal successors, (1416), 7 states have internal predecessors, (1416), 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) [2022-01-19 00:52:04,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:04,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 227 [2022-01-19 00:52:04,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:04,447 INFO L129 PetriNetUnfolder]: 69/1239 cut-off events. [2022-01-19 00:52:04,447 INFO L130 PetriNetUnfolder]: For 357/483 co-relation queries the response was YES. [2022-01-19 00:52:04,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 1239 events. 69/1239 cut-off events. For 357/483 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 9528 event pairs, 22 based on Foata normal form. 9/1169 useless extension candidates. Maximal degree in co-relation 2036. Up to 68 conditions per place. [2022-01-19 00:52:04,461 INFO L132 encePairwiseOnDemand]: 219/227 looper letters, 16 selfloop transitions, 0 changer transitions 46/255 dead transitions. [2022-01-19 00:52:04,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 255 transitions, 904 flow [2022-01-19 00:52:04,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 00:52:04,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 00:52:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1838 transitions. [2022-01-19 00:52:04,465 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.899657366617719 [2022-01-19 00:52:04,465 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1838 transitions. [2022-01-19 00:52:04,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1838 transitions. [2022-01-19 00:52:04,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:04,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1838 transitions. [2022-01-19 00:52:04,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 204.22222222222223) internal successors, (1838), 9 states have internal predecessors, (1838), 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) [2022-01-19 00:52:04,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 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) [2022-01-19 00:52:04,473 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 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) [2022-01-19 00:52:04,473 INFO L186 Difference]: Start difference. First operand has 254 places, 235 transitions, 761 flow. Second operand 9 states and 1838 transitions. [2022-01-19 00:52:04,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 255 transitions, 904 flow [2022-01-19 00:52:04,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 255 transitions, 881 flow, removed 8 selfloop flow, removed 5 redundant places. [2022-01-19 00:52:04,481 INFO L242 Difference]: Finished difference. Result has 261 places, 209 transitions, 611 flow [2022-01-19 00:52:04,481 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=611, PETRI_PLACES=261, PETRI_TRANSITIONS=209} [2022-01-19 00:52:04,482 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 54 predicate places. [2022-01-19 00:52:04,482 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 209 transitions, 611 flow [2022-01-19 00:52:04,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 202.28571428571428) internal successors, (1416), 7 states have internal predecessors, (1416), 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) [2022-01-19 00:52:04,483 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:04,483 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:52:04,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-19 00:52:04,483 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:04,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:04,484 INFO L85 PathProgramCache]: Analyzing trace with hash 128988805, now seen corresponding path program 1 times [2022-01-19 00:52:04,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:04,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892512427] [2022-01-19 00:52:04,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:04,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:04,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:04,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892512427] [2022-01-19 00:52:04,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892512427] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:04,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:04,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 00:52:04,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118404773] [2022-01-19 00:52:04,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:04,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 00:52:04,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:04,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 00:52:04,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2022-01-19 00:52:04,939 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 227 [2022-01-19 00:52:04,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 209 transitions, 611 flow. Second operand has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 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) [2022-01-19 00:52:04,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:04,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 227 [2022-01-19 00:52:04,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:16,886 INFO L129 PetriNetUnfolder]: 15639/35568 cut-off events. [2022-01-19 00:52:16,887 INFO L130 PetriNetUnfolder]: For 21884/21926 co-relation queries the response was YES. [2022-01-19 00:52:17,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74513 conditions, 35568 events. 15639/35568 cut-off events. For 21884/21926 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 356198 event pairs, 2856 based on Foata normal form. 13/34209 useless extension candidates. Maximal degree in co-relation 74483. Up to 4244 conditions per place. [2022-01-19 00:52:17,232 INFO L132 encePairwiseOnDemand]: 191/227 looper letters, 618 selfloop transitions, 151 changer transitions 191/1092 dead transitions. [2022-01-19 00:52:17,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 1092 transitions, 5978 flow [2022-01-19 00:52:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-01-19 00:52:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2022-01-19 00:52:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 17605 transitions. [2022-01-19 00:52:17,260 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6743918789503927 [2022-01-19 00:52:17,260 INFO L72 ComplementDD]: Start complementDD. Operand 115 states and 17605 transitions. [2022-01-19 00:52:17,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 17605 transitions. [2022-01-19 00:52:17,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:17,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 115 states and 17605 transitions. [2022-01-19 00:52:17,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 116 states, 115 states have (on average 153.08695652173913) internal successors, (17605), 115 states have internal predecessors, (17605), 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) [2022-01-19 00:52:17,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 116 states, 116 states have (on average 227.0) internal successors, (26332), 116 states have internal predecessors, (26332), 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) [2022-01-19 00:52:17,347 INFO L81 ComplementDD]: Finished complementDD. Result has 116 states, 116 states have (on average 227.0) internal successors, (26332), 116 states have internal predecessors, (26332), 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) [2022-01-19 00:52:17,348 INFO L186 Difference]: Start difference. First operand has 261 places, 209 transitions, 611 flow. Second operand 115 states and 17605 transitions. [2022-01-19 00:52:17,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 1092 transitions, 5978 flow [2022-01-19 00:52:17,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 1092 transitions, 4923 flow, removed 523 selfloop flow, removed 14 redundant places. [2022-01-19 00:52:17,689 INFO L242 Difference]: Finished difference. Result has 440 places, 370 transitions, 1801 flow [2022-01-19 00:52:17,689 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=115, PETRI_FLOW=1801, PETRI_PLACES=440, PETRI_TRANSITIONS=370} [2022-01-19 00:52:17,690 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 233 predicate places. [2022-01-19 00:52:17,690 INFO L470 AbstractCegarLoop]: Abstraction has has 440 places, 370 transitions, 1801 flow [2022-01-19 00:52:17,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 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) [2022-01-19 00:52:17,691 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:17,691 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:52:17,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-19 00:52:17,692 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:17,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:17,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1743479895, now seen corresponding path program 2 times [2022-01-19 00:52:17,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:17,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064635840] [2022-01-19 00:52:17,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:17,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:18,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:18,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064635840] [2022-01-19 00:52:18,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064635840] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:18,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:18,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 00:52:18,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636815525] [2022-01-19 00:52:18,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:18,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 00:52:18,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:18,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 00:52:18,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2022-01-19 00:52:18,069 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 227 [2022-01-19 00:52:18,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 370 transitions, 1801 flow. Second operand has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 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) [2022-01-19 00:52:18,071 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:18,071 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 227 [2022-01-19 00:52:18,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:52:50,886 INFO L129 PetriNetUnfolder]: 42338/90360 cut-off events. [2022-01-19 00:52:50,886 INFO L130 PetriNetUnfolder]: For 1716017/1716056 co-relation queries the response was YES. [2022-01-19 00:52:53,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424172 conditions, 90360 events. 42338/90360 cut-off events. For 1716017/1716056 co-relation queries the response was YES. Maximal size of possible extension queue 1689. Compared 1004541 event pairs, 2046 based on Foata normal form. 13/87355 useless extension candidates. Maximal degree in co-relation 424049. Up to 18018 conditions per place. [2022-01-19 00:52:54,054 INFO L132 encePairwiseOnDemand]: 191/227 looper letters, 1543 selfloop transitions, 161 changer transitions 522/2358 dead transitions. [2022-01-19 00:52:54,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 595 places, 2358 transitions, 24875 flow [2022-01-19 00:52:54,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2022-01-19 00:52:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2022-01-19 00:52:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 31703 transitions. [2022-01-19 00:52:54,085 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6714461199593358 [2022-01-19 00:52:54,085 INFO L72 ComplementDD]: Start complementDD. Operand 208 states and 31703 transitions. [2022-01-19 00:52:54,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 208 states and 31703 transitions. [2022-01-19 00:52:54,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:52:54,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 208 states and 31703 transitions. [2022-01-19 00:52:54,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 209 states, 208 states have (on average 152.41826923076923) internal successors, (31703), 208 states have internal predecessors, (31703), 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) [2022-01-19 00:52:54,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 209 states, 209 states have (on average 227.0) internal successors, (47443), 209 states have internal predecessors, (47443), 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) [2022-01-19 00:52:54,207 INFO L81 ComplementDD]: Finished complementDD. Result has 209 states, 209 states have (on average 227.0) internal successors, (47443), 209 states have internal predecessors, (47443), 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) [2022-01-19 00:52:54,207 INFO L186 Difference]: Start difference. First operand has 440 places, 370 transitions, 1801 flow. Second operand 208 states and 31703 transitions. [2022-01-19 00:52:54,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 595 places, 2358 transitions, 24875 flow [2022-01-19 00:52:59,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 2358 transitions, 18271 flow, removed 3250 selfloop flow, removed 42 redundant places. [2022-01-19 00:52:59,596 INFO L242 Difference]: Finished difference. Result has 756 places, 531 transitions, 4420 flow [2022-01-19 00:52:59,596 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=1641, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=208, PETRI_FLOW=4420, PETRI_PLACES=756, PETRI_TRANSITIONS=531} [2022-01-19 00:52:59,597 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 549 predicate places. [2022-01-19 00:52:59,597 INFO L470 AbstractCegarLoop]: Abstraction has has 756 places, 531 transitions, 4420 flow [2022-01-19 00:52:59,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 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) [2022-01-19 00:52:59,598 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:52:59,598 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:52:59,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-19 00:52:59,598 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:52:59,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:52:59,599 INFO L85 PathProgramCache]: Analyzing trace with hash 874290271, now seen corresponding path program 3 times [2022-01-19 00:52:59,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:52:59,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840937971] [2022-01-19 00:52:59,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:52:59,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:52:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:52:59,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:52:59,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:52:59,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840937971] [2022-01-19 00:52:59,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840937971] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:52:59,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:52:59,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 00:52:59,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980083000] [2022-01-19 00:52:59,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:52:59,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 00:52:59,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:52:59,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 00:52:59,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2022-01-19 00:52:59,981 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 227 [2022-01-19 00:52:59,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 756 places, 531 transitions, 4420 flow. Second operand has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 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) [2022-01-19 00:52:59,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:52:59,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 227 [2022-01-19 00:52:59,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:54:11,446 INFO L129 PetriNetUnfolder]: 58374/124303 cut-off events. [2022-01-19 00:54:11,446 INFO L130 PetriNetUnfolder]: For 5039191/5039243 co-relation queries the response was YES. [2022-01-19 00:54:20,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 879019 conditions, 124303 events. 58374/124303 cut-off events. For 5039191/5039243 co-relation queries the response was YES. Maximal size of possible extension queue 2384. Compared 1440070 event pairs, 6701 based on Foata normal form. 13/120180 useless extension candidates. Maximal degree in co-relation 878733. Up to 32335 conditions per place. [2022-01-19 00:54:21,481 INFO L132 encePairwiseOnDemand]: 191/227 looper letters, 1628 selfloop transitions, 320 changer transitions 563/2643 dead transitions. [2022-01-19 00:54:21,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 816 places, 2643 transitions, 53305 flow [2022-01-19 00:54:21,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-01-19 00:54:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2022-01-19 00:54:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 33944 transitions. [2022-01-19 00:54:21,505 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6705517472985519 [2022-01-19 00:54:21,506 INFO L72 ComplementDD]: Start complementDD. Operand 223 states and 33944 transitions. [2022-01-19 00:54:21,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 223 states and 33944 transitions. [2022-01-19 00:54:21,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:54:21,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 223 states and 33944 transitions. [2022-01-19 00:54:21,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 224 states, 223 states have (on average 152.2152466367713) internal successors, (33944), 223 states have internal predecessors, (33944), 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) [2022-01-19 00:54:21,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 224 states, 224 states have (on average 227.0) internal successors, (50848), 224 states have internal predecessors, (50848), 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) [2022-01-19 00:54:21,602 INFO L81 ComplementDD]: Finished complementDD. Result has 224 states, 224 states have (on average 227.0) internal successors, (50848), 224 states have internal predecessors, (50848), 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) [2022-01-19 00:54:21,602 INFO L186 Difference]: Start difference. First operand has 756 places, 531 transitions, 4420 flow. Second operand 223 states and 33944 transitions. [2022-01-19 00:54:21,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 816 places, 2643 transitions, 53305 flow [2022-01-19 00:55:19,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 2643 transitions, 28239 flow, removed 12518 selfloop flow, removed 152 redundant places. [2022-01-19 00:55:19,279 INFO L242 Difference]: Finished difference. Result has 882 places, 720 transitions, 7989 flow [2022-01-19 00:55:19,280 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=3676, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=223, PETRI_FLOW=7989, PETRI_PLACES=882, PETRI_TRANSITIONS=720} [2022-01-19 00:55:19,280 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 675 predicate places. [2022-01-19 00:55:19,280 INFO L470 AbstractCegarLoop]: Abstraction has has 882 places, 720 transitions, 7989 flow [2022-01-19 00:55:19,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 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) [2022-01-19 00:55:19,281 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:55:19,281 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:55:19,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-19 00:55:19,282 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:55:19,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:55:19,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1033643469, now seen corresponding path program 4 times [2022-01-19 00:55:19,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:55:19,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439802218] [2022-01-19 00:55:19,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:55:19,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:55:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:55:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:55:19,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:55:19,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439802218] [2022-01-19 00:55:19,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439802218] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:55:19,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:55:19,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 00:55:19,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184389942] [2022-01-19 00:55:19,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:55:19,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 00:55:19,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:55:19,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 00:55:19,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2022-01-19 00:55:19,632 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 227 [2022-01-19 00:55:19,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 882 places, 720 transitions, 7989 flow. Second operand has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 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) [2022-01-19 00:55:19,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:55:19,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 227 [2022-01-19 00:55:19,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:56:54,569 INFO L129 PetriNetUnfolder]: 67744/144858 cut-off events. [2022-01-19 00:56:54,570 INFO L130 PetriNetUnfolder]: For 7756299/7756632 co-relation queries the response was YES. [2022-01-19 00:57:08,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1168677 conditions, 144858 events. 67744/144858 cut-off events. For 7756299/7756632 co-relation queries the response was YES. Maximal size of possible extension queue 2902. Compared 1724510 event pairs, 5024 based on Foata normal form. 14/140654 useless extension candidates. Maximal degree in co-relation 1168324. Up to 12459 conditions per place. [2022-01-19 00:57:09,470 INFO L132 encePairwiseOnDemand]: 191/227 looper letters, 2634 selfloop transitions, 762 changer transitions 610/4138 dead transitions. [2022-01-19 00:57:09,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 4138 transitions, 73468 flow [2022-01-19 00:57:09,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-01-19 00:57:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2022-01-19 00:57:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 35941 transitions. [2022-01-19 00:57:09,500 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6737463679820039 [2022-01-19 00:57:09,500 INFO L72 ComplementDD]: Start complementDD. Operand 235 states and 35941 transitions. [2022-01-19 00:57:09,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 235 states and 35941 transitions. [2022-01-19 00:57:09,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:57:09,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 235 states and 35941 transitions. [2022-01-19 00:57:09,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 236 states, 235 states have (on average 152.94042553191488) internal successors, (35941), 235 states have internal predecessors, (35941), 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) [2022-01-19 00:57:09,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 236 states, 236 states have (on average 227.0) internal successors, (53572), 236 states have internal predecessors, (53572), 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) [2022-01-19 00:57:09,646 INFO L81 ComplementDD]: Finished complementDD. Result has 236 states, 236 states have (on average 227.0) internal successors, (53572), 236 states have internal predecessors, (53572), 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) [2022-01-19 00:57:09,647 INFO L186 Difference]: Start difference. First operand has 882 places, 720 transitions, 7989 flow. Second operand 235 states and 35941 transitions. [2022-01-19 00:57:09,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 4138 transitions, 73468 flow [2022-01-19 00:58:48,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 761 places, 4138 transitions, 56658 flow, removed 8405 selfloop flow, removed 177 redundant places. [2022-01-19 00:58:48,428 INFO L242 Difference]: Finished difference. Result has 985 places, 1298 transitions, 20678 flow [2022-01-19 00:58:48,429 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=6865, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=720, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=235, PETRI_FLOW=20678, PETRI_PLACES=985, PETRI_TRANSITIONS=1298} [2022-01-19 00:58:48,429 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 778 predicate places. [2022-01-19 00:58:48,430 INFO L470 AbstractCegarLoop]: Abstraction has has 985 places, 1298 transitions, 20678 flow [2022-01-19 00:58:48,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 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) [2022-01-19 00:58:48,430 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:58:48,430 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:58:48,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-19 00:58:48,431 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:58:48,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:58:48,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1533215671, now seen corresponding path program 5 times [2022-01-19 00:58:48,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:58:48,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229729445] [2022-01-19 00:58:48,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:58:48,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:58:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:58:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:58:48,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:58:48,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229729445] [2022-01-19 00:58:48,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229729445] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:58:48,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:58:48,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 00:58:48,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210719271] [2022-01-19 00:58:48,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:58:48,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 00:58:48,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:58:48,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 00:58:48,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2022-01-19 00:58:48,838 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 227 [2022-01-19 00:58:48,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 985 places, 1298 transitions, 20678 flow. Second operand has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 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) [2022-01-19 00:58:48,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:58:48,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 227 [2022-01-19 00:58:48,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand