/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-chromosome-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 00:32:28,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 00:32:28,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 00:32:28,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 00:32:28,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 00:32:28,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 00:32:28,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 00:32:28,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 00:32:28,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 00:32:28,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 00:32:28,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 00:32:28,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 00:32:28,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 00:32:28,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 00:32:28,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 00:32:28,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 00:32:28,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 00:32:28,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 00:32:28,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 00:32:28,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 00:32:28,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 00:32:28,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 00:32:28,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 00:32:28,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 00:32:28,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 00:32:28,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 00:32:28,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 00:32:28,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 00:32:28,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 00:32:28,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 00:32:28,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 00:32:28,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 00:32:28,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 00:32:28,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 00:32:28,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 00:32:28,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 00:32:28,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 00:32:28,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 00:32:28,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 00:32:28,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 00:32:28,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 00:32:28,268 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 00:32:28,290 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 00:32:28,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 00:32:28,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 00:32:28,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 00:32:28,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 00:32:28,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 00:32:28,291 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 00:32:28,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 00:32:28,291 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 00:32:28,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 00:32:28,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 00:32:28,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 00:32:28,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 00:32:28,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 00:32:28,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 00:32:28,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 00:32:28,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 00:32:28,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 00:32:28,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 00:32:28,293 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 00:32:28,293 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 00:32:28,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 00:32:28,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 00:32:28,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 00:32:28,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 00:32:28,506 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 00:32:28,508 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 00:32:28,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-trans.wvr.c [2022-01-19 00:32:28,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e83675f/17ed2c8fdf2544a4802683c2e82c5d2b/FLAGddf840c1e [2022-01-19 00:32:28,907 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 00:32:28,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-trans.wvr.c [2022-01-19 00:32:28,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e83675f/17ed2c8fdf2544a4802683c2e82c5d2b/FLAGddf840c1e [2022-01-19 00:32:28,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e83675f/17ed2c8fdf2544a4802683c2e82c5d2b [2022-01-19 00:32:28,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 00:32:28,929 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 00:32:28,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 00:32:28,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 00:32:28,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 00:32:28,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:32:28" (1/1) ... [2022-01-19 00:32:28,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555971af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:28, skipping insertion in model container [2022-01-19 00:32:28,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:32:28" (1/1) ... [2022-01-19 00:32:28,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 00:32:28,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 00:32:29,092 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-chromosome-trans.wvr.c[3034,3047] [2022-01-19 00:32:29,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 00:32:29,105 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 00:32:29,137 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-chromosome-trans.wvr.c[3034,3047] [2022-01-19 00:32:29,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 00:32:29,153 INFO L208 MainTranslator]: Completed translation [2022-01-19 00:32:29,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29 WrapperNode [2022-01-19 00:32:29,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 00:32:29,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 00:32:29,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 00:32:29,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 00:32:29,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (1/1) ... [2022-01-19 00:32:29,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (1/1) ... [2022-01-19 00:32:29,192 INFO L137 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 16, calls inlined = 24, statements flattened = 283 [2022-01-19 00:32:29,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 00:32:29,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 00:32:29,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 00:32:29,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 00:32:29,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (1/1) ... [2022-01-19 00:32:29,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (1/1) ... [2022-01-19 00:32:29,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (1/1) ... [2022-01-19 00:32:29,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (1/1) ... [2022-01-19 00:32:29,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (1/1) ... [2022-01-19 00:32:29,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (1/1) ... [2022-01-19 00:32:29,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (1/1) ... [2022-01-19 00:32:29,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 00:32:29,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 00:32:29,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 00:32:29,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 00:32:29,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (1/1) ... [2022-01-19 00:32:29,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 00:32:29,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:32:29,251 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 00:32:29,257 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 00:32:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 00:32:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 00:32:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 00:32:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 00:32:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 00:32:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 00:32:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 00:32:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 00:32:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 00:32:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 00:32:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 00:32:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-19 00:32:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 00:32:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 00:32:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 00:32:29,307 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 00:32:29,380 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 00:32:29,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 00:32:29,655 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 00:32:29,665 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 00:32:29,666 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-01-19 00:32:29,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:32:29 BoogieIcfgContainer [2022-01-19 00:32:29,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 00:32:29,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 00:32:29,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 00:32:29,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 00:32:29,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 12:32:28" (1/3) ... [2022-01-19 00:32:29,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb6a175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:32:29, skipping insertion in model container [2022-01-19 00:32:29,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:29" (2/3) ... [2022-01-19 00:32:29,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb6a175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:32:29, skipping insertion in model container [2022-01-19 00:32:29,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:32:29" (3/3) ... [2022-01-19 00:32:29,686 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2022-01-19 00:32:29,691 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 00:32:29,691 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 00:32:29,691 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 00:32:29,745 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 00:32:29,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,764 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,764 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,764 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,764 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,764 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,765 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,765 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,765 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,765 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,765 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,765 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,765 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,765 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,765 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,779 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,779 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,779 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,800 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,800 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,800 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,800 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,800 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,800 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,800 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,800 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,800 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,808 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,808 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,808 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,808 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,808 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,808 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,808 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,808 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,808 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,822 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,823 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,824 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,824 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,824 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:29,830 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 00:32:29,871 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 00:32:29,876 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 00:32:29,876 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 00:32:29,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 350 places, 371 transitions, 766 flow [2022-01-19 00:32:29,972 INFO L129 PetriNetUnfolder]: 31/368 cut-off events. [2022-01-19 00:32:29,972 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 00:32:29,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 368 events. 31/368 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 623 event pairs, 0 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 282. Up to 2 conditions per place. [2022-01-19 00:32:29,979 INFO L82 GeneralOperation]: Start removeDead. Operand has 350 places, 371 transitions, 766 flow [2022-01-19 00:32:29,985 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 336 places, 357 transitions, 732 flow [2022-01-19 00:32:30,053 INFO L129 PetriNetUnfolder]: 31/356 cut-off events. [2022-01-19 00:32:30,053 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 00:32:30,053 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:30,054 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:30,055 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 00:32:30,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:30,058 INFO L85 PathProgramCache]: Analyzing trace with hash -87865808, now seen corresponding path program 1 times [2022-01-19 00:32:30,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:30,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206593302] [2022-01-19 00:32:30,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:30,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:30,262 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 00:32:30,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:30,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206593302] [2022-01-19 00:32:30,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206593302] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:30,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:30,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 00:32:30,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395877543] [2022-01-19 00:32:30,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:30,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-19 00:32:30,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:30,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-19 00:32:30,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-19 00:32:30,294 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 371 [2022-01-19 00:32:30,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 357 transitions, 732 flow. Second operand has 2 states, 2 states have (on average 346.5) internal successors, (693), 2 states have internal predecessors, (693), 0 states have call successors, (0), 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 00:32:30,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:30,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 371 [2022-01-19 00:32:30,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:30,354 INFO L129 PetriNetUnfolder]: 9/335 cut-off events. [2022-01-19 00:32:30,354 INFO L130 PetriNetUnfolder]: For 12/14 co-relation queries the response was YES. [2022-01-19 00:32:30,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 335 events. 9/335 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 604 event pairs, 0 based on Foata normal form. 35/345 useless extension candidates. Maximal degree in co-relation 267. Up to 7 conditions per place. [2022-01-19 00:32:30,358 INFO L132 encePairwiseOnDemand]: 349/371 looper letters, 6 selfloop transitions, 0 changer transitions 7/335 dead transitions. [2022-01-19 00:32:30,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 335 transitions, 700 flow [2022-01-19 00:32:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-19 00:32:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-19 00:32:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 712 transitions. [2022-01-19 00:32:30,368 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9595687331536388 [2022-01-19 00:32:30,368 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 712 transitions. [2022-01-19 00:32:30,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 712 transitions. [2022-01-19 00:32:30,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:30,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 712 transitions. [2022-01-19 00:32:30,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 356.0) internal successors, (712), 2 states have internal predecessors, (712), 0 states have call successors, (0), 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 00:32:30,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 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 00:32:30,379 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 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 00:32:30,380 INFO L186 Difference]: Start difference. First operand has 336 places, 357 transitions, 732 flow. Second operand 2 states and 712 transitions. [2022-01-19 00:32:30,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 335 transitions, 700 flow [2022-01-19 00:32:30,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 335 transitions, 688 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 00:32:30,388 INFO L242 Difference]: Finished difference. Result has 331 places, 328 transitions, 662 flow [2022-01-19 00:32:30,389 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=662, PETRI_PLACES=331, PETRI_TRANSITIONS=328} [2022-01-19 00:32:30,392 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, -5 predicate places. [2022-01-19 00:32:30,393 INFO L470 AbstractCegarLoop]: Abstraction has has 331 places, 328 transitions, 662 flow [2022-01-19 00:32:30,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 346.5) internal successors, (693), 2 states have internal predecessors, (693), 0 states have call successors, (0), 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 00:32:30,393 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:30,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:30,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 00:32:30,394 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 00:32:30,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:30,394 INFO L85 PathProgramCache]: Analyzing trace with hash 411631433, now seen corresponding path program 1 times [2022-01-19 00:32:30,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:30,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54478044] [2022-01-19 00:32:30,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:30,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:30,565 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 00:32:30,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:30,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54478044] [2022-01-19 00:32:30,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54478044] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:30,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:30,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 00:32:30,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952384342] [2022-01-19 00:32:30,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:30,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 00:32:30,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:30,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 00:32:30,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 00:32:30,570 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 371 [2022-01-19 00:32:30,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 328 transitions, 662 flow. Second operand has 4 states, 4 states have (on average 333.5) internal successors, (1334), 4 states have internal predecessors, (1334), 0 states have call successors, (0), 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 00:32:30,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:30,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 371 [2022-01-19 00:32:30,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:30,689 INFO L129 PetriNetUnfolder]: 46/623 cut-off events. [2022-01-19 00:32:30,689 INFO L130 PetriNetUnfolder]: For 41/43 co-relation queries the response was YES. [2022-01-19 00:32:30,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 623 events. 46/623 cut-off events. For 41/43 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2539 event pairs, 18 based on Foata normal form. 0/586 useless extension candidates. Maximal degree in co-relation 727. Up to 55 conditions per place. [2022-01-19 00:32:30,694 INFO L132 encePairwiseOnDemand]: 366/371 looper letters, 29 selfloop transitions, 4 changer transitions 0/344 dead transitions. [2022-01-19 00:32:30,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 344 transitions, 768 flow [2022-01-19 00:32:30,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 00:32:30,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 00:32:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1689 transitions. [2022-01-19 00:32:30,698 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9105121293800539 [2022-01-19 00:32:30,698 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1689 transitions. [2022-01-19 00:32:30,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1689 transitions. [2022-01-19 00:32:30,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:30,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1689 transitions. [2022-01-19 00:32:30,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 337.8) internal successors, (1689), 5 states have internal predecessors, (1689), 0 states have call successors, (0), 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 00:32:30,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 371.0) internal successors, (2226), 6 states have internal predecessors, (2226), 0 states have call successors, (0), 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 00:32:30,706 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 371.0) internal successors, (2226), 6 states have internal predecessors, (2226), 0 states have call successors, (0), 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 00:32:30,706 INFO L186 Difference]: Start difference. First operand has 331 places, 328 transitions, 662 flow. Second operand 5 states and 1689 transitions. [2022-01-19 00:32:30,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 344 transitions, 768 flow [2022-01-19 00:32:30,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 344 transitions, 768 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 00:32:30,713 INFO L242 Difference]: Finished difference. Result has 331 places, 331 transitions, 691 flow [2022-01-19 00:32:30,713 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=691, PETRI_PLACES=331, PETRI_TRANSITIONS=331} [2022-01-19 00:32:30,714 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, -5 predicate places. [2022-01-19 00:32:30,714 INFO L470 AbstractCegarLoop]: Abstraction has has 331 places, 331 transitions, 691 flow [2022-01-19 00:32:30,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 333.5) internal successors, (1334), 4 states have internal predecessors, (1334), 0 states have call successors, (0), 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 00:32:30,715 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:30,715 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:30,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 00:32:30,715 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 00:32:30,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:30,716 INFO L85 PathProgramCache]: Analyzing trace with hash -50072629, now seen corresponding path program 1 times [2022-01-19 00:32:30,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:30,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735453552] [2022-01-19 00:32:30,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:30,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:30,835 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 00:32:30,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:30,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735453552] [2022-01-19 00:32:30,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735453552] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:30,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:30,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 00:32:30,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891775706] [2022-01-19 00:32:30,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:30,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 00:32:30,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:30,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 00:32:30,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-19 00:32:30,841 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 371 [2022-01-19 00:32:30,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 331 transitions, 691 flow. Second operand has 5 states, 5 states have (on average 312.0) internal successors, (1560), 5 states have internal predecessors, (1560), 0 states have call successors, (0), 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 00:32:30,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:30,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 371 [2022-01-19 00:32:30,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:30,984 INFO L129 PetriNetUnfolder]: 8/409 cut-off events. [2022-01-19 00:32:30,984 INFO L130 PetriNetUnfolder]: For 7/13 co-relation queries the response was YES. [2022-01-19 00:32:30,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 409 events. 8/409 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 779 event pairs, 0 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 480. Up to 40 conditions per place. [2022-01-19 00:32:30,988 INFO L132 encePairwiseOnDemand]: 356/371 looper letters, 42 selfloop transitions, 12 changer transitions 0/343 dead transitions. [2022-01-19 00:32:30,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 343 transitions, 823 flow [2022-01-19 00:32:30,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 00:32:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 00:32:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1587 transitions. [2022-01-19 00:32:30,991 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8555256064690027 [2022-01-19 00:32:30,991 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1587 transitions. [2022-01-19 00:32:30,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1587 transitions. [2022-01-19 00:32:30,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:30,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1587 transitions. [2022-01-19 00:32:30,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 317.4) internal successors, (1587), 5 states have internal predecessors, (1587), 0 states have call successors, (0), 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 00:32:31,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 371.0) internal successors, (2226), 6 states have internal predecessors, (2226), 0 states have call successors, (0), 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 00:32:31,000 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 371.0) internal successors, (2226), 6 states have internal predecessors, (2226), 0 states have call successors, (0), 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 00:32:31,001 INFO L186 Difference]: Start difference. First operand has 331 places, 331 transitions, 691 flow. Second operand 5 states and 1587 transitions. [2022-01-19 00:32:31,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 343 transitions, 823 flow [2022-01-19 00:32:31,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 343 transitions, 823 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 00:32:31,006 INFO L242 Difference]: Finished difference. Result has 336 places, 334 transitions, 739 flow [2022-01-19 00:32:31,006 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=739, PETRI_PLACES=336, PETRI_TRANSITIONS=334} [2022-01-19 00:32:31,007 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 0 predicate places. [2022-01-19 00:32:31,007 INFO L470 AbstractCegarLoop]: Abstraction has has 336 places, 334 transitions, 739 flow [2022-01-19 00:32:31,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 312.0) internal successors, (1560), 5 states have internal predecessors, (1560), 0 states have call successors, (0), 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 00:32:31,008 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:31,008 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:31,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 00:32:31,008 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 00:32:31,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:31,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1633020846, now seen corresponding path program 1 times [2022-01-19 00:32:31,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:31,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791914356] [2022-01-19 00:32:31,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:31,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:31,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 00:32:31,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:31,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791914356] [2022-01-19 00:32:31,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791914356] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:32:31,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559126444] [2022-01-19 00:32:31,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:31,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:31,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:32:31,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:32:31,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-19 00:32:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:31,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-19 00:32:31,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:32:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 00:32:31,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:32:31,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 00:32:31,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559126444] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:32:31,916 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:32:31,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-01-19 00:32:31,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677842717] [2022-01-19 00:32:31,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:32:31,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-19 00:32:31,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:31,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-19 00:32:31,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-01-19 00:32:31,921 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 371 [2022-01-19 00:32:31,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 334 transitions, 739 flow. Second operand has 15 states, 15 states have (on average 307.3333333333333) internal successors, (4610), 15 states have internal predecessors, (4610), 0 states have call successors, (0), 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 00:32:31,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:31,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 371 [2022-01-19 00:32:31,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:32,185 INFO L129 PetriNetUnfolder]: 8/436 cut-off events. [2022-01-19 00:32:32,185 INFO L130 PetriNetUnfolder]: For 19/25 co-relation queries the response was YES. [2022-01-19 00:32:32,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 436 events. 8/436 cut-off events. For 19/25 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 752 event pairs, 0 based on Foata normal form. 6/427 useless extension candidates. Maximal degree in co-relation 555. Up to 31 conditions per place. [2022-01-19 00:32:32,188 INFO L132 encePairwiseOnDemand]: 347/371 looper letters, 45 selfloop transitions, 33 changer transitions 0/364 dead transitions. [2022-01-19 00:32:32,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 364 transitions, 961 flow [2022-01-19 00:32:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 00:32:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 00:32:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3417 transitions. [2022-01-19 00:32:32,193 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8372947806910072 [2022-01-19 00:32:32,193 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3417 transitions. [2022-01-19 00:32:32,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3417 transitions. [2022-01-19 00:32:32,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:32,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3417 transitions. [2022-01-19 00:32:32,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 310.6363636363636) internal successors, (3417), 11 states have internal predecessors, (3417), 0 states have call successors, (0), 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 00:32:32,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 371.0) internal successors, (4452), 12 states have internal predecessors, (4452), 0 states have call successors, (0), 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 00:32:32,205 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 371.0) internal successors, (4452), 12 states have internal predecessors, (4452), 0 states have call successors, (0), 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 00:32:32,205 INFO L186 Difference]: Start difference. First operand has 336 places, 334 transitions, 739 flow. Second operand 11 states and 3417 transitions. [2022-01-19 00:32:32,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 364 transitions, 961 flow [2022-01-19 00:32:32,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 364 transitions, 943 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-01-19 00:32:32,210 INFO L242 Difference]: Finished difference. Result has 346 places, 352 transitions, 888 flow [2022-01-19 00:32:32,210 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=888, PETRI_PLACES=346, PETRI_TRANSITIONS=352} [2022-01-19 00:32:32,211 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 10 predicate places. [2022-01-19 00:32:32,211 INFO L470 AbstractCegarLoop]: Abstraction has has 346 places, 352 transitions, 888 flow [2022-01-19 00:32:32,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 307.3333333333333) internal successors, (4610), 15 states have internal predecessors, (4610), 0 states have call successors, (0), 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 00:32:32,213 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:32,213 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:32,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-19 00:32:32,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:32,433 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 00:32:32,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:32,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1197959018, now seen corresponding path program 2 times [2022-01-19 00:32:32,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:32,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404795988] [2022-01-19 00:32:32,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:32,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-01-19 00:32:32,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:32,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404795988] [2022-01-19 00:32:32,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404795988] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:32:32,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749973203] [2022-01-19 00:32:32,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 00:32:32,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:32,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:32:32,558 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:32:32,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-19 00:32:32,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-19 00:32:32,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:32:32,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-19 00:32:32,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:32:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-01-19 00:32:33,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 00:32:33,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749973203] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:33,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 00:32:33,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-01-19 00:32:33,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953640239] [2022-01-19 00:32:33,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:33,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 00:32:33,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:33,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 00:32:33,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-01-19 00:32:33,006 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 371 [2022-01-19 00:32:33,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 352 transitions, 888 flow. Second operand has 6 states, 6 states have (on average 305.5) internal successors, (1833), 6 states have internal predecessors, (1833), 0 states have call successors, (0), 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 00:32:33,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:33,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 371 [2022-01-19 00:32:33,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:33,170 INFO L129 PetriNetUnfolder]: 36/585 cut-off events. [2022-01-19 00:32:33,170 INFO L130 PetriNetUnfolder]: For 53/55 co-relation queries the response was YES. [2022-01-19 00:32:33,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 818 conditions, 585 events. 36/585 cut-off events. For 53/55 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2019 event pairs, 20 based on Foata normal form. 1/564 useless extension candidates. Maximal degree in co-relation 807. Up to 91 conditions per place. [2022-01-19 00:32:33,176 INFO L132 encePairwiseOnDemand]: 364/371 looper letters, 45 selfloop transitions, 4 changer transitions 5/364 dead transitions. [2022-01-19 00:32:33,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 364 transitions, 1025 flow [2022-01-19 00:32:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 00:32:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 00:32:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1849 transitions. [2022-01-19 00:32:33,180 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8306379155435759 [2022-01-19 00:32:33,180 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1849 transitions. [2022-01-19 00:32:33,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1849 transitions. [2022-01-19 00:32:33,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:33,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1849 transitions. [2022-01-19 00:32:33,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 308.1666666666667) internal successors, (1849), 6 states have internal predecessors, (1849), 0 states have call successors, (0), 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 00:32:33,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 371.0) internal successors, (2597), 7 states have internal predecessors, (2597), 0 states have call successors, (0), 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 00:32:33,188 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 371.0) internal successors, (2597), 7 states have internal predecessors, (2597), 0 states have call successors, (0), 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 00:32:33,188 INFO L186 Difference]: Start difference. First operand has 346 places, 352 transitions, 888 flow. Second operand 6 states and 1849 transitions. [2022-01-19 00:32:33,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 364 transitions, 1025 flow [2022-01-19 00:32:33,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 364 transitions, 1000 flow, removed 6 selfloop flow, removed 3 redundant places. [2022-01-19 00:32:33,196 INFO L242 Difference]: Finished difference. Result has 352 places, 355 transitions, 895 flow [2022-01-19 00:32:33,197 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=863, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=895, PETRI_PLACES=352, PETRI_TRANSITIONS=355} [2022-01-19 00:32:33,198 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 16 predicate places. [2022-01-19 00:32:33,198 INFO L470 AbstractCegarLoop]: Abstraction has has 352 places, 355 transitions, 895 flow [2022-01-19 00:32:33,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.5) internal successors, (1833), 6 states have internal predecessors, (1833), 0 states have call successors, (0), 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 00:32:33,198 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:33,199 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:33,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-19 00:32:33,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:33,423 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 00:32:33,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:33,423 INFO L85 PathProgramCache]: Analyzing trace with hash -2126080995, now seen corresponding path program 1 times [2022-01-19 00:32:33,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:33,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995578658] [2022-01-19 00:32:33,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:33,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:33,516 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-01-19 00:32:33,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:33,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995578658] [2022-01-19 00:32:33,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995578658] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:32:33,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530838094] [2022-01-19 00:32:33,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:33,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:33,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:32:33,534 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:32:33,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-19 00:32:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:33,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-19 00:32:33,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:32:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-01-19 00:32:34,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:32:34,420 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-01-19 00:32:34,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530838094] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:32:34,421 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:32:34,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2022-01-19 00:32:34,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50295831] [2022-01-19 00:32:34,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:32:34,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-01-19 00:32:34,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:34,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-01-19 00:32:34,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-01-19 00:32:34,427 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 371 [2022-01-19 00:32:34,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 355 transitions, 895 flow. Second operand has 22 states, 22 states have (on average 306.8636363636364) internal successors, (6751), 22 states have internal predecessors, (6751), 0 states have call successors, (0), 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 00:32:34,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:34,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 371 [2022-01-19 00:32:34,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:34,733 INFO L129 PetriNetUnfolder]: 8/472 cut-off events. [2022-01-19 00:32:34,733 INFO L130 PetriNetUnfolder]: For 63/69 co-relation queries the response was YES. [2022-01-19 00:32:34,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 472 events. 8/472 cut-off events. For 63/69 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 716 event pairs, 0 based on Foata normal form. 6/463 useless extension candidates. Maximal degree in co-relation 721. Up to 31 conditions per place. [2022-01-19 00:32:34,737 INFO L132 encePairwiseOnDemand]: 347/371 looper letters, 57 selfloop transitions, 51 changer transitions 0/397 dead transitions. [2022-01-19 00:32:34,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 397 transitions, 1279 flow [2022-01-19 00:32:34,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-19 00:32:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-01-19 00:32:34,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5265 transitions. [2022-01-19 00:32:34,744 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8347867448866338 [2022-01-19 00:32:34,744 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 5265 transitions. [2022-01-19 00:32:34,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 5265 transitions. [2022-01-19 00:32:34,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:34,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 5265 transitions. [2022-01-19 00:32:34,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 309.70588235294116) internal successors, (5265), 17 states have internal predecessors, (5265), 0 states have call successors, (0), 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 00:32:34,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 371.0) internal successors, (6678), 18 states have internal predecessors, (6678), 0 states have call successors, (0), 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 00:32:34,760 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 371.0) internal successors, (6678), 18 states have internal predecessors, (6678), 0 states have call successors, (0), 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 00:32:34,760 INFO L186 Difference]: Start difference. First operand has 352 places, 355 transitions, 895 flow. Second operand 17 states and 5265 transitions. [2022-01-19 00:32:34,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 397 transitions, 1279 flow [2022-01-19 00:32:34,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 397 transitions, 1273 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-01-19 00:32:34,767 INFO L242 Difference]: Finished difference. Result has 366 places, 376 transitions, 1152 flow [2022-01-19 00:32:34,767 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1152, PETRI_PLACES=366, PETRI_TRANSITIONS=376} [2022-01-19 00:32:34,768 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 30 predicate places. [2022-01-19 00:32:34,768 INFO L470 AbstractCegarLoop]: Abstraction has has 366 places, 376 transitions, 1152 flow [2022-01-19 00:32:34,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 306.8636363636364) internal successors, (6751), 22 states have internal predecessors, (6751), 0 states have call successors, (0), 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 00:32:34,770 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:34,770 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:34,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-19 00:32:34,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:34,988 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 00:32:34,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:34,989 INFO L85 PathProgramCache]: Analyzing trace with hash 866091689, now seen corresponding path program 2 times [2022-01-19 00:32:34,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:34,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160893665] [2022-01-19 00:32:34,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:34,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:35,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:35,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160893665] [2022-01-19 00:32:35,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160893665] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:32:35,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807960674] [2022-01-19 00:32:35,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 00:32:35,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:35,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:32:35,137 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:32:35,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-19 00:32:35,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-19 00:32:35,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:32:35,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-19 00:32:35,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:32:35,601 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-01-19 00:32:35,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 00:32:35,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807960674] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:35,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 00:32:35,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-01-19 00:32:35,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122280370] [2022-01-19 00:32:35,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:35,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 00:32:35,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:35,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 00:32:35,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 00:32:35,604 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 371 [2022-01-19 00:32:35,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 376 transitions, 1152 flow. Second operand has 6 states, 6 states have (on average 321.5) internal successors, (1929), 6 states have internal predecessors, (1929), 0 states have call successors, (0), 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 00:32:35,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:35,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 371 [2022-01-19 00:32:35,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:36,562 INFO L129 PetriNetUnfolder]: 659/5134 cut-off events. [2022-01-19 00:32:36,563 INFO L130 PetriNetUnfolder]: For 225/803 co-relation queries the response was YES. [2022-01-19 00:32:36,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7041 conditions, 5134 events. 659/5134 cut-off events. For 225/803 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 43871 event pairs, 246 based on Foata normal form. 11/4665 useless extension candidates. Maximal degree in co-relation 7025. Up to 423 conditions per place. [2022-01-19 00:32:36,618 INFO L132 encePairwiseOnDemand]: 362/371 looper letters, 80 selfloop transitions, 17 changer transitions 1/445 dead transitions. [2022-01-19 00:32:36,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 445 transitions, 1506 flow [2022-01-19 00:32:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 00:32:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 00:32:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2970 transitions. [2022-01-19 00:32:36,623 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.889487870619946 [2022-01-19 00:32:36,623 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2970 transitions. [2022-01-19 00:32:36,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2970 transitions. [2022-01-19 00:32:36,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:36,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2970 transitions. [2022-01-19 00:32:36,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 0 states have call successors, (0), 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 00:32:36,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 371.0) internal successors, (3710), 10 states have internal predecessors, (3710), 0 states have call successors, (0), 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 00:32:36,632 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 371.0) internal successors, (3710), 10 states have internal predecessors, (3710), 0 states have call successors, (0), 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 00:32:36,632 INFO L186 Difference]: Start difference. First operand has 366 places, 376 transitions, 1152 flow. Second operand 9 states and 2970 transitions. [2022-01-19 00:32:36,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 445 transitions, 1506 flow [2022-01-19 00:32:36,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 445 transitions, 1439 flow, removed 12 selfloop flow, removed 8 redundant places. [2022-01-19 00:32:36,640 INFO L242 Difference]: Finished difference. Result has 371 places, 390 transitions, 1183 flow [2022-01-19 00:32:36,641 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=1085, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1183, PETRI_PLACES=371, PETRI_TRANSITIONS=390} [2022-01-19 00:32:36,641 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 35 predicate places. [2022-01-19 00:32:36,641 INFO L470 AbstractCegarLoop]: Abstraction has has 371 places, 390 transitions, 1183 flow [2022-01-19 00:32:36,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.5) internal successors, (1929), 6 states have internal predecessors, (1929), 0 states have call successors, (0), 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 00:32:36,642 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:36,642 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:36,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-19 00:32:36,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:36,860 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 00:32:36,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:36,860 INFO L85 PathProgramCache]: Analyzing trace with hash -857588353, now seen corresponding path program 3 times [2022-01-19 00:32:36,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:36,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794080484] [2022-01-19 00:32:36,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:36,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:37,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:37,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794080484] [2022-01-19 00:32:37,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794080484] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:32:37,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531485553] [2022-01-19 00:32:37,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-19 00:32:37,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:37,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:32:37,138 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:32:37,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-19 00:32:37,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-19 00:32:37,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:32:37,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-19 00:32:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:32:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-01-19 00:32:37,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 00:32:37,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531485553] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:37,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 00:32:37,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-01-19 00:32:37,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926341846] [2022-01-19 00:32:37,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:37,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 00:32:37,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:37,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 00:32:37,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 00:32:37,679 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 371 [2022-01-19 00:32:37,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 390 transitions, 1183 flow. Second operand has 6 states, 6 states have (on average 321.5) internal successors, (1929), 6 states have internal predecessors, (1929), 0 states have call successors, (0), 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 00:32:37,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:37,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 371 [2022-01-19 00:32:37,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:38,884 INFO L129 PetriNetUnfolder]: 811/6162 cut-off events. [2022-01-19 00:32:38,884 INFO L130 PetriNetUnfolder]: For 884/1236 co-relation queries the response was YES. [2022-01-19 00:32:38,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8847 conditions, 6162 events. 811/6162 cut-off events. For 884/1236 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 60092 event pairs, 36 based on Foata normal form. 74/5827 useless extension candidates. Maximal degree in co-relation 8826. Up to 402 conditions per place. [2022-01-19 00:32:38,944 INFO L132 encePairwiseOnDemand]: 359/371 looper letters, 101 selfloop transitions, 43 changer transitions 2/493 dead transitions. [2022-01-19 00:32:38,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 493 transitions, 1833 flow [2022-01-19 00:32:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 00:32:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 00:32:38,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4266 transitions. [2022-01-19 00:32:38,950 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8845117147003939 [2022-01-19 00:32:38,950 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 4266 transitions. [2022-01-19 00:32:38,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 4266 transitions. [2022-01-19 00:32:38,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:38,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4266 transitions. [2022-01-19 00:32:38,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 328.15384615384613) internal successors, (4266), 13 states have internal predecessors, (4266), 0 states have call successors, (0), 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 00:32:38,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 371.0) internal successors, (5194), 14 states have internal predecessors, (5194), 0 states have call successors, (0), 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 00:32:38,961 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 371.0) internal successors, (5194), 14 states have internal predecessors, (5194), 0 states have call successors, (0), 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 00:32:38,961 INFO L186 Difference]: Start difference. First operand has 371 places, 390 transitions, 1183 flow. Second operand 13 states and 4266 transitions. [2022-01-19 00:32:38,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 493 transitions, 1833 flow [2022-01-19 00:32:38,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 493 transitions, 1833 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 00:32:38,971 INFO L242 Difference]: Finished difference. Result has 389 places, 426 transitions, 1473 flow [2022-01-19 00:32:38,971 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=1183, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1473, PETRI_PLACES=389, PETRI_TRANSITIONS=426} [2022-01-19 00:32:38,973 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 53 predicate places. [2022-01-19 00:32:38,973 INFO L470 AbstractCegarLoop]: Abstraction has has 389 places, 426 transitions, 1473 flow [2022-01-19 00:32:38,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.5) internal successors, (1929), 6 states have internal predecessors, (1929), 0 states have call successors, (0), 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 00:32:38,973 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:38,973 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:38,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-01-19 00:32:39,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:39,188 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 00:32:39,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:39,188 INFO L85 PathProgramCache]: Analyzing trace with hash -730095729, now seen corresponding path program 4 times [2022-01-19 00:32:39,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:39,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408887578] [2022-01-19 00:32:39,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:39,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:39,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:39,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408887578] [2022-01-19 00:32:39,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408887578] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:32:39,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157045761] [2022-01-19 00:32:39,377 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-19 00:32:39,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:39,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:32:39,383 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:32:39,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-19 00:32:39,645 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-19 00:32:39,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:32:39,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-19 00:32:39,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:32:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:40,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:32:40,487 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:40,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157045761] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 00:32:40,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 00:32:40,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 7 [2022-01-19 00:32:40,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746583109] [2022-01-19 00:32:40,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:40,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 00:32:40,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:40,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 00:32:40,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:32:40,489 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 371 [2022-01-19 00:32:40,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 426 transitions, 1473 flow. Second operand has 5 states, 5 states have (on average 331.2) internal successors, (1656), 5 states have internal predecessors, (1656), 0 states have call successors, (0), 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 00:32:40,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:40,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 371 [2022-01-19 00:32:40,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:43,092 INFO L129 PetriNetUnfolder]: 2284/17189 cut-off events. [2022-01-19 00:32:43,092 INFO L130 PetriNetUnfolder]: For 2165/2242 co-relation queries the response was YES. [2022-01-19 00:32:43,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24642 conditions, 17189 events. 2284/17189 cut-off events. For 2165/2242 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 216071 event pairs, 106 based on Foata normal form. 14/15740 useless extension candidates. Maximal degree in co-relation 24614. Up to 1291 conditions per place. [2022-01-19 00:32:43,200 INFO L132 encePairwiseOnDemand]: 362/371 looper letters, 43 selfloop transitions, 16 changer transitions 2/465 dead transitions. [2022-01-19 00:32:43,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 465 transitions, 1700 flow [2022-01-19 00:32:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 00:32:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 00:32:43,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2358 transitions. [2022-01-19 00:32:43,203 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9079707354639969 [2022-01-19 00:32:43,203 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2358 transitions. [2022-01-19 00:32:43,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2358 transitions. [2022-01-19 00:32:43,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:43,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2358 transitions. [2022-01-19 00:32:43,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 336.85714285714283) internal successors, (2358), 7 states have internal predecessors, (2358), 0 states have call successors, (0), 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 00:32:43,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 371.0) internal successors, (2968), 8 states have internal predecessors, (2968), 0 states have call successors, (0), 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 00:32:43,210 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 371.0) internal successors, (2968), 8 states have internal predecessors, (2968), 0 states have call successors, (0), 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 00:32:43,210 INFO L186 Difference]: Start difference. First operand has 389 places, 426 transitions, 1473 flow. Second operand 7 states and 2358 transitions. [2022-01-19 00:32:43,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 465 transitions, 1700 flow [2022-01-19 00:32:43,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 465 transitions, 1684 flow, removed 8 selfloop flow, removed 1 redundant places. [2022-01-19 00:32:43,244 INFO L242 Difference]: Finished difference. Result has 397 places, 438 transitions, 1547 flow [2022-01-19 00:32:43,245 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=1457, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1547, PETRI_PLACES=397, PETRI_TRANSITIONS=438} [2022-01-19 00:32:43,245 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 61 predicate places. [2022-01-19 00:32:43,245 INFO L470 AbstractCegarLoop]: Abstraction has has 397 places, 438 transitions, 1547 flow [2022-01-19 00:32:43,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 331.2) internal successors, (1656), 5 states have internal predecessors, (1656), 0 states have call successors, (0), 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 00:32:43,246 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:43,246 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:43,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-01-19 00:32:43,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:43,464 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 00:32:43,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:43,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1813538879, now seen corresponding path program 5 times [2022-01-19 00:32:43,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:43,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349996995] [2022-01-19 00:32:43,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:43,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:43,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:43,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349996995] [2022-01-19 00:32:43,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349996995] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:43,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:43,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:32:43,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925892135] [2022-01-19 00:32:43,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:43,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:32:43,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:43,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:32:43,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:32:43,585 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 371 [2022-01-19 00:32:43,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 438 transitions, 1547 flow. Second operand has 7 states, 7 states have (on average 325.42857142857144) internal successors, (2278), 7 states have internal predecessors, (2278), 0 states have call successors, (0), 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 00:32:43,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:43,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 371 [2022-01-19 00:32:43,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:47,041 INFO L129 PetriNetUnfolder]: 3645/21034 cut-off events. [2022-01-19 00:32:47,041 INFO L130 PetriNetUnfolder]: For 8580/9207 co-relation queries the response was YES. [2022-01-19 00:32:47,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35443 conditions, 21034 events. 3645/21034 cut-off events. For 8580/9207 co-relation queries the response was YES. Maximal size of possible extension queue 584. Compared 269114 event pairs, 1505 based on Foata normal form. 468/20369 useless extension candidates. Maximal degree in co-relation 35411. Up to 3075 conditions per place. [2022-01-19 00:32:47,218 INFO L132 encePairwiseOnDemand]: 363/371 looper letters, 97 selfloop transitions, 22 changer transitions 0/518 dead transitions. [2022-01-19 00:32:47,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 518 transitions, 2118 flow [2022-01-19 00:32:47,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 00:32:47,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 00:32:47,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2994 transitions. [2022-01-19 00:32:47,223 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8966756513926325 [2022-01-19 00:32:47,223 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2994 transitions. [2022-01-19 00:32:47,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2994 transitions. [2022-01-19 00:32:47,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:47,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2994 transitions. [2022-01-19 00:32:47,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 332.6666666666667) internal successors, (2994), 9 states have internal predecessors, (2994), 0 states have call successors, (0), 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 00:32:47,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 371.0) internal successors, (3710), 10 states have internal predecessors, (3710), 0 states have call successors, (0), 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 00:32:47,237 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 371.0) internal successors, (3710), 10 states have internal predecessors, (3710), 0 states have call successors, (0), 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 00:32:47,237 INFO L186 Difference]: Start difference. First operand has 397 places, 438 transitions, 1547 flow. Second operand 9 states and 2994 transitions. [2022-01-19 00:32:47,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 518 transitions, 2118 flow [2022-01-19 00:32:47,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 518 transitions, 2118 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 00:32:47,284 INFO L242 Difference]: Finished difference. Result has 409 places, 455 transitions, 1718 flow [2022-01-19 00:32:47,285 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=1543, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1718, PETRI_PLACES=409, PETRI_TRANSITIONS=455} [2022-01-19 00:32:47,286 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 73 predicate places. [2022-01-19 00:32:47,286 INFO L470 AbstractCegarLoop]: Abstraction has has 409 places, 455 transitions, 1718 flow [2022-01-19 00:32:47,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 325.42857142857144) internal successors, (2278), 7 states have internal predecessors, (2278), 0 states have call successors, (0), 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 00:32:47,286 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:47,286 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:47,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-19 00:32:47,287 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 00:32:47,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:47,287 INFO L85 PathProgramCache]: Analyzing trace with hash 884891179, now seen corresponding path program 6 times [2022-01-19 00:32:47,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:47,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610504957] [2022-01-19 00:32:47,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:47,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:47,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:47,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610504957] [2022-01-19 00:32:47,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610504957] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:47,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:47,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 00:32:47,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822769894] [2022-01-19 00:32:47,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:47,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 00:32:47,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:47,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 00:32:47,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-19 00:32:47,415 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 371 [2022-01-19 00:32:47,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 455 transitions, 1718 flow. Second operand has 6 states, 6 states have (on average 325.8333333333333) internal successors, (1955), 6 states have internal predecessors, (1955), 0 states have call successors, (0), 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 00:32:47,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:47,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 371 [2022-01-19 00:32:47,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:52,193 INFO L129 PetriNetUnfolder]: 4503/28469 cut-off events. [2022-01-19 00:32:52,193 INFO L130 PetriNetUnfolder]: For 16306/17403 co-relation queries the response was YES. [2022-01-19 00:32:52,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49090 conditions, 28469 events. 4503/28469 cut-off events. For 16306/17403 co-relation queries the response was YES. Maximal size of possible extension queue 751. Compared 390814 event pairs, 1262 based on Foata normal form. 567/27395 useless extension candidates. Maximal degree in co-relation 49053. Up to 2350 conditions per place. [2022-01-19 00:32:52,423 INFO L132 encePairwiseOnDemand]: 360/371 looper letters, 101 selfloop transitions, 42 changer transitions 3/545 dead transitions. [2022-01-19 00:32:52,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 545 transitions, 2460 flow [2022-01-19 00:32:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 00:32:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 00:32:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3013 transitions. [2022-01-19 00:32:52,427 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9023659778376759 [2022-01-19 00:32:52,427 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3013 transitions. [2022-01-19 00:32:52,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3013 transitions. [2022-01-19 00:32:52,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:52,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3013 transitions. [2022-01-19 00:32:52,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 334.77777777777777) internal successors, (3013), 9 states have internal predecessors, (3013), 0 states have call successors, (0), 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 00:32:52,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 371.0) internal successors, (3710), 10 states have internal predecessors, (3710), 0 states have call successors, (0), 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 00:32:52,436 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 371.0) internal successors, (3710), 10 states have internal predecessors, (3710), 0 states have call successors, (0), 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 00:32:52,436 INFO L186 Difference]: Start difference. First operand has 409 places, 455 transitions, 1718 flow. Second operand 9 states and 3013 transitions. [2022-01-19 00:32:52,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 545 transitions, 2460 flow [2022-01-19 00:32:52,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 545 transitions, 2460 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 00:32:52,547 INFO L242 Difference]: Finished difference. Result has 424 places, 481 transitions, 2065 flow [2022-01-19 00:32:52,547 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=1718, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2065, PETRI_PLACES=424, PETRI_TRANSITIONS=481} [2022-01-19 00:32:52,547 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 88 predicate places. [2022-01-19 00:32:52,548 INFO L470 AbstractCegarLoop]: Abstraction has has 424 places, 481 transitions, 2065 flow [2022-01-19 00:32:52,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.8333333333333) internal successors, (1955), 6 states have internal predecessors, (1955), 0 states have call successors, (0), 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 00:32:52,548 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:52,548 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:52,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-19 00:32:52,549 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 00:32:52,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:52,549 INFO L85 PathProgramCache]: Analyzing trace with hash -535411745, now seen corresponding path program 1 times [2022-01-19 00:32:52,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:52,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557803030] [2022-01-19 00:32:52,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:52,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:52,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:52,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557803030] [2022-01-19 00:32:52,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557803030] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:32:52,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762445216] [2022-01-19 00:32:52,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:52,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:52,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:32:52,614 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:32:52,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-19 00:32:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:52,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-19 00:32:52,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:32:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:53,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:32:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:53,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762445216] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 00:32:53,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 00:32:53,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2022-01-19 00:32:53,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992517500] [2022-01-19 00:32:53,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:53,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 00:32:53,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:53,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 00:32:53,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-01-19 00:32:53,544 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 371 [2022-01-19 00:32:53,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 481 transitions, 2065 flow. Second operand has 5 states, 5 states have (on average 331.2) internal successors, (1656), 5 states have internal predecessors, (1656), 0 states have call successors, (0), 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 00:32:53,545 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:53,545 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 371 [2022-01-19 00:32:53,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:57,656 INFO L129 PetriNetUnfolder]: 3070/24015 cut-off events. [2022-01-19 00:32:57,657 INFO L130 PetriNetUnfolder]: For 27899/29432 co-relation queries the response was YES. [2022-01-19 00:32:57,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44534 conditions, 24015 events. 3070/24015 cut-off events. For 27899/29432 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 325155 event pairs, 638 based on Foata normal form. 545/23487 useless extension candidates. Maximal degree in co-relation 44490. Up to 1692 conditions per place. [2022-01-19 00:32:57,885 INFO L132 encePairwiseOnDemand]: 363/371 looper letters, 79 selfloop transitions, 54 changer transitions 0/541 dead transitions. [2022-01-19 00:32:57,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 541 transitions, 2722 flow [2022-01-19 00:32:57,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 00:32:57,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 00:32:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2031 transitions. [2022-01-19 00:32:57,889 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9123989218328841 [2022-01-19 00:32:57,889 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2031 transitions. [2022-01-19 00:32:57,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2031 transitions. [2022-01-19 00:32:57,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:57,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2031 transitions. [2022-01-19 00:32:57,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 338.5) internal successors, (2031), 6 states have internal predecessors, (2031), 0 states have call successors, (0), 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 00:32:57,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 371.0) internal successors, (2597), 7 states have internal predecessors, (2597), 0 states have call successors, (0), 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 00:32:57,896 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 371.0) internal successors, (2597), 7 states have internal predecessors, (2597), 0 states have call successors, (0), 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 00:32:57,896 INFO L186 Difference]: Start difference. First operand has 424 places, 481 transitions, 2065 flow. Second operand 6 states and 2031 transitions. [2022-01-19 00:32:57,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 541 transitions, 2722 flow [2022-01-19 00:32:58,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 541 transitions, 2722 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 00:32:58,134 INFO L242 Difference]: Finished difference. Result has 433 places, 502 transitions, 2492 flow [2022-01-19 00:32:58,134 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=2065, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2492, PETRI_PLACES=433, PETRI_TRANSITIONS=502} [2022-01-19 00:32:58,134 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 97 predicate places. [2022-01-19 00:32:58,135 INFO L470 AbstractCegarLoop]: Abstraction has has 433 places, 502 transitions, 2492 flow [2022-01-19 00:32:58,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 331.2) internal successors, (1656), 5 states have internal predecessors, (1656), 0 states have call successors, (0), 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 00:32:58,135 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:58,135 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:58,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-19 00:32:58,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:32:58,353 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 00:32:58,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:58,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1802382259, now seen corresponding path program 7 times [2022-01-19 00:32:58,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:58,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28222896] [2022-01-19 00:32:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:58,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:32:58,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:58,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28222896] [2022-01-19 00:32:58,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28222896] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:58,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:58,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:32:58,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11801390] [2022-01-19 00:32:58,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:58,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:32:58,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:58,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:32:58,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:32:58,450 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 371 [2022-01-19 00:32:58,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 502 transitions, 2492 flow. Second operand has 7 states, 7 states have (on average 325.42857142857144) internal successors, (2278), 7 states have internal predecessors, (2278), 0 states have call successors, (0), 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 00:32:58,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:58,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 371 [2022-01-19 00:32:58,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:33:04,134 INFO L129 PetriNetUnfolder]: 4985/29801 cut-off events. [2022-01-19 00:33:04,134 INFO L130 PetriNetUnfolder]: For 54226/56911 co-relation queries the response was YES. [2022-01-19 00:33:04,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61710 conditions, 29801 events. 4985/29801 cut-off events. For 54226/56911 co-relation queries the response was YES. Maximal size of possible extension queue 823. Compared 409775 event pairs, 1630 based on Foata normal form. 878/29023 useless extension candidates. Maximal degree in co-relation 61662. Up to 3210 conditions per place. [2022-01-19 00:33:04,601 INFO L132 encePairwiseOnDemand]: 361/371 looper letters, 132 selfloop transitions, 51 changer transitions 6/588 dead transitions. [2022-01-19 00:33:04,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 588 transitions, 3442 flow [2022-01-19 00:33:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 00:33:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 00:33:04,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3020 transitions. [2022-01-19 00:33:04,606 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9044624138963762 [2022-01-19 00:33:04,607 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3020 transitions. [2022-01-19 00:33:04,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3020 transitions. [2022-01-19 00:33:04,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:33:04,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3020 transitions. [2022-01-19 00:33:04,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 335.55555555555554) internal successors, (3020), 9 states have internal predecessors, (3020), 0 states have call successors, (0), 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 00:33:04,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 371.0) internal successors, (3710), 10 states have internal predecessors, (3710), 0 states have call successors, (0), 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 00:33:04,614 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 371.0) internal successors, (3710), 10 states have internal predecessors, (3710), 0 states have call successors, (0), 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 00:33:04,614 INFO L186 Difference]: Start difference. First operand has 433 places, 502 transitions, 2492 flow. Second operand 9 states and 3020 transitions. [2022-01-19 00:33:04,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 588 transitions, 3442 flow [2022-01-19 00:33:04,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 588 transitions, 3421 flow, removed 5 selfloop flow, removed 1 redundant places. [2022-01-19 00:33:04,775 INFO L242 Difference]: Finished difference. Result has 445 places, 518 transitions, 2806 flow [2022-01-19 00:33:04,776 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=2472, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2806, PETRI_PLACES=445, PETRI_TRANSITIONS=518} [2022-01-19 00:33:04,776 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 109 predicate places. [2022-01-19 00:33:04,776 INFO L470 AbstractCegarLoop]: Abstraction has has 445 places, 518 transitions, 2806 flow [2022-01-19 00:33:04,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 325.42857142857144) internal successors, (2278), 7 states have internal predecessors, (2278), 0 states have call successors, (0), 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 00:33:04,777 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:33:04,777 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:33:04,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-19 00:33:04,777 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 00:33:04,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:33:04,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1016576323, now seen corresponding path program 2 times [2022-01-19 00:33:04,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:33:04,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402821337] [2022-01-19 00:33:04,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:33:04,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:33:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:33:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:33:04,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:33:04,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402821337] [2022-01-19 00:33:04,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402821337] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:33:04,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892545532] [2022-01-19 00:33:04,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 00:33:04,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:33:04,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:33:04,835 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:33:04,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-19 00:33:04,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-19 00:33:04,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:33:04,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-19 00:33:04,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:33:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-01-19 00:33:05,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 00:33:05,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892545532] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:33:05,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 00:33:05,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-01-19 00:33:05,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922831549] [2022-01-19 00:33:05,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:33:05,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 00:33:05,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:33:05,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 00:33:05,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 00:33:05,367 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 371 [2022-01-19 00:33:05,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 518 transitions, 2806 flow. Second operand has 6 states, 6 states have (on average 321.5) internal successors, (1929), 6 states have internal predecessors, (1929), 0 states have call successors, (0), 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 00:33:05,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:33:05,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 371 [2022-01-19 00:33:05,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:33:11,494 INFO L129 PetriNetUnfolder]: 4343/30927 cut-off events. [2022-01-19 00:33:11,495 INFO L130 PetriNetUnfolder]: For 45420/47982 co-relation queries the response was YES. [2022-01-19 00:33:11,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60243 conditions, 30927 events. 4343/30927 cut-off events. For 45420/47982 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 417995 event pairs, 1400 based on Foata normal form. 388/30276 useless extension candidates. Maximal degree in co-relation 60189. Up to 2578 conditions per place. [2022-01-19 00:33:11,821 INFO L132 encePairwiseOnDemand]: 361/371 looper letters, 139 selfloop transitions, 38 changer transitions 0/616 dead transitions. [2022-01-19 00:33:11,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 616 transitions, 3599 flow [2022-01-19 00:33:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 00:33:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 00:33:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2974 transitions. [2022-01-19 00:33:11,823 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8906858340820605 [2022-01-19 00:33:11,823 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2974 transitions. [2022-01-19 00:33:11,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2974 transitions. [2022-01-19 00:33:11,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:33:11,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2974 transitions. [2022-01-19 00:33:11,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 330.44444444444446) internal successors, (2974), 9 states have internal predecessors, (2974), 0 states have call successors, (0), 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 00:33:11,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 371.0) internal successors, (3710), 10 states have internal predecessors, (3710), 0 states have call successors, (0), 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 00:33:11,829 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 371.0) internal successors, (3710), 10 states have internal predecessors, (3710), 0 states have call successors, (0), 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 00:33:11,829 INFO L186 Difference]: Start difference. First operand has 445 places, 518 transitions, 2806 flow. Second operand 9 states and 2974 transitions. [2022-01-19 00:33:11,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 616 transitions, 3599 flow [2022-01-19 00:33:11,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 616 transitions, 3546 flow, removed 12 selfloop flow, removed 2 redundant places. [2022-01-19 00:33:11,952 INFO L242 Difference]: Finished difference. Result has 456 places, 533 transitions, 2990 flow [2022-01-19 00:33:11,953 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=2753, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2990, PETRI_PLACES=456, PETRI_TRANSITIONS=533} [2022-01-19 00:33:11,953 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 120 predicate places. [2022-01-19 00:33:11,953 INFO L470 AbstractCegarLoop]: Abstraction has has 456 places, 533 transitions, 2990 flow [2022-01-19 00:33:11,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.5) internal successors, (1929), 6 states have internal predecessors, (1929), 0 states have call successors, (0), 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 00:33:11,953 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:33:11,954 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:33:11,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-01-19 00:33:12,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-01-19 00:33:12,168 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 00:33:12,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:33:12,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1948702767, now seen corresponding path program 3 times [2022-01-19 00:33:12,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:33:12,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427912430] [2022-01-19 00:33:12,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:33:12,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:33:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:33:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:33:12,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:33:12,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427912430] [2022-01-19 00:33:12,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427912430] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:33:12,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718115854] [2022-01-19 00:33:12,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-19 00:33:12,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:33:12,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:33:12,251 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:33:12,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-19 00:33:12,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-19 00:33:12,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:33:12,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-19 00:33:12,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:33:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-01-19 00:33:12,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 00:33:12,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718115854] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:33:12,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 00:33:12,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-01-19 00:33:12,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086426234] [2022-01-19 00:33:12,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:33:12,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 00:33:12,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:33:12,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 00:33:12,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 00:33:12,835 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 371 [2022-01-19 00:33:12,835 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 533 transitions, 2990 flow. Second operand has 6 states, 6 states have (on average 321.5) internal successors, (1929), 6 states have internal predecessors, (1929), 0 states have call successors, (0), 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 00:33:12,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:33:12,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 371 [2022-01-19 00:33:12,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:33:19,598 INFO L129 PetriNetUnfolder]: 4603/31111 cut-off events. [2022-01-19 00:33:19,598 INFO L130 PetriNetUnfolder]: For 54589/58162 co-relation queries the response was YES. [2022-01-19 00:33:19,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65273 conditions, 31111 events. 4603/31111 cut-off events. For 54589/58162 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 423963 event pairs, 926 based on Foata normal form. 491/30629 useless extension candidates. Maximal degree in co-relation 65214. Up to 4220 conditions per place. [2022-01-19 00:33:20,017 INFO L132 encePairwiseOnDemand]: 358/371 looper letters, 122 selfloop transitions, 49 changer transitions 0/610 dead transitions. [2022-01-19 00:33:20,018 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 610 transitions, 3784 flow [2022-01-19 00:33:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 00:33:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 00:33:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3938 transitions. [2022-01-19 00:33:20,021 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8845462713387242 [2022-01-19 00:33:20,021 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3938 transitions. [2022-01-19 00:33:20,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3938 transitions. [2022-01-19 00:33:20,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:33:20,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3938 transitions. [2022-01-19 00:33:20,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 328.1666666666667) internal successors, (3938), 12 states have internal predecessors, (3938), 0 states have call successors, (0), 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 00:33:20,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 371.0) internal successors, (4823), 13 states have internal predecessors, (4823), 0 states have call successors, (0), 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 00:33:20,028 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 371.0) internal successors, (4823), 13 states have internal predecessors, (4823), 0 states have call successors, (0), 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 00:33:20,028 INFO L186 Difference]: Start difference. First operand has 456 places, 533 transitions, 2990 flow. Second operand 12 states and 3938 transitions. [2022-01-19 00:33:20,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 610 transitions, 3784 flow [2022-01-19 00:33:20,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 610 transitions, 3742 flow, removed 6 selfloop flow, removed 2 redundant places. [2022-01-19 00:33:20,201 INFO L242 Difference]: Finished difference. Result has 471 places, 552 transitions, 3317 flow [2022-01-19 00:33:20,202 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=2958, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3317, PETRI_PLACES=471, PETRI_TRANSITIONS=552} [2022-01-19 00:33:20,202 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 135 predicate places. [2022-01-19 00:33:20,202 INFO L470 AbstractCegarLoop]: Abstraction has has 471 places, 552 transitions, 3317 flow [2022-01-19 00:33:20,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.5) internal successors, (1929), 6 states have internal predecessors, (1929), 0 states have call successors, (0), 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 00:33:20,203 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:33:20,203 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:33:20,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-01-19 00:33:20,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-01-19 00:33:20,413 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 00:33:20,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:33:20,413 INFO L85 PathProgramCache]: Analyzing trace with hash -2038566321, now seen corresponding path program 4 times [2022-01-19 00:33:20,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:33:20,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121342545] [2022-01-19 00:33:20,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:33:20,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:33:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:33:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:33:20,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:33:20,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121342545] [2022-01-19 00:33:20,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121342545] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:33:20,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433843468] [2022-01-19 00:33:20,496 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-19 00:33:20,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:33:20,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:33:20,497 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:33:20,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-19 00:33:20,734 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-19 00:33:20,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:33:20,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-19 00:33:20,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:33:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:33:21,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 00:33:21,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433843468] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:33:21,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 00:33:21,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2022-01-19 00:33:21,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584641268] [2022-01-19 00:33:21,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:33:21,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 00:33:21,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:33:21,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 00:33:21,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:33:21,132 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 371 [2022-01-19 00:33:21,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 552 transitions, 3317 flow. Second operand has 5 states, 5 states have (on average 331.2) internal successors, (1656), 5 states have internal predecessors, (1656), 0 states have call successors, (0), 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 00:33:21,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:33:21,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 371 [2022-01-19 00:33:21,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:33:27,671 INFO L129 PetriNetUnfolder]: 4697/32373 cut-off events. [2022-01-19 00:33:27,671 INFO L130 PetriNetUnfolder]: For 79203/81743 co-relation queries the response was YES. [2022-01-19 00:33:28,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71460 conditions, 32373 events. 4697/32373 cut-off events. For 79203/81743 co-relation queries the response was YES. Maximal size of possible extension queue 1008. Compared 460106 event pairs, 1449 based on Foata normal form. 910/31292 useless extension candidates. Maximal degree in co-relation 71395. Up to 3524 conditions per place. [2022-01-19 00:33:28,185 INFO L132 encePairwiseOnDemand]: 363/371 looper letters, 97 selfloop transitions, 42 changer transitions 4/587 dead transitions. [2022-01-19 00:33:28,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 587 transitions, 3892 flow [2022-01-19 00:33:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 00:33:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 00:33:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2364 transitions. [2022-01-19 00:33:28,187 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9102810935695033 [2022-01-19 00:33:28,187 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2364 transitions. [2022-01-19 00:33:28,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2364 transitions. [2022-01-19 00:33:28,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:33:28,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2364 transitions. [2022-01-19 00:33:28,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 337.7142857142857) internal successors, (2364), 7 states have internal predecessors, (2364), 0 states have call successors, (0), 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 00:33:28,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 371.0) internal successors, (2968), 8 states have internal predecessors, (2968), 0 states have call successors, (0), 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 00:33:28,191 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 371.0) internal successors, (2968), 8 states have internal predecessors, (2968), 0 states have call successors, (0), 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 00:33:28,191 INFO L186 Difference]: Start difference. First operand has 471 places, 552 transitions, 3317 flow. Second operand 7 states and 2364 transitions. [2022-01-19 00:33:28,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 587 transitions, 3892 flow [2022-01-19 00:33:28,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 587 transitions, 3832 flow, removed 18 selfloop flow, removed 2 redundant places. [2022-01-19 00:33:28,432 INFO L242 Difference]: Finished difference. Result has 477 places, 552 transitions, 3362 flow [2022-01-19 00:33:28,432 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=3226, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3362, PETRI_PLACES=477, PETRI_TRANSITIONS=552} [2022-01-19 00:33:28,432 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 141 predicate places. [2022-01-19 00:33:28,432 INFO L470 AbstractCegarLoop]: Abstraction has has 477 places, 552 transitions, 3362 flow [2022-01-19 00:33:28,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 331.2) internal successors, (1656), 5 states have internal predecessors, (1656), 0 states have call successors, (0), 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 00:33:28,433 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:33:28,433 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:33:28,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-19 00:33:28,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-01-19 00:33:28,642 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:33:28,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:33:28,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1888788644, now seen corresponding path program 1 times [2022-01-19 00:33:28,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:33:28,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901233084] [2022-01-19 00:33:28,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:33:28,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:33:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:33:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-01-19 00:33:28,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:33:28,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901233084] [2022-01-19 00:33:28,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901233084] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:33:28,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:33:28,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:33:28,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808449208] [2022-01-19 00:33:28,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:33:28,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:33:28,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:33:28,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:33:28,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:33:28,838 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 371 [2022-01-19 00:33:28,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 552 transitions, 3362 flow. Second operand has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:33:28,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:33:28,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 371 [2022-01-19 00:33:28,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:33:39,952 INFO L129 PetriNetUnfolder]: 8190/47157 cut-off events. [2022-01-19 00:33:39,952 INFO L130 PetriNetUnfolder]: For 101305/105437 co-relation queries the response was YES. [2022-01-19 00:33:40,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104512 conditions, 47157 events. 8190/47157 cut-off events. For 101305/105437 co-relation queries the response was YES. Maximal size of possible extension queue 988. Compared 661200 event pairs, 2372 based on Foata normal form. 892/46692 useless extension candidates. Maximal degree in co-relation 104445. Up to 4788 conditions per place. [2022-01-19 00:33:40,769 INFO L132 encePairwiseOnDemand]: 355/371 looper letters, 131 selfloop transitions, 94 changer transitions 19/678 dead transitions. [2022-01-19 00:33:40,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 678 transitions, 4521 flow [2022-01-19 00:33:40,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 00:33:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 00:33:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3605 transitions. [2022-01-19 00:33:40,772 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8833619210977701 [2022-01-19 00:33:40,772 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3605 transitions. [2022-01-19 00:33:40,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3605 transitions. [2022-01-19 00:33:40,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:33:40,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3605 transitions. [2022-01-19 00:33:40,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 327.72727272727275) internal successors, (3605), 11 states have internal predecessors, (3605), 0 states have call successors, (0), 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 00:33:40,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 371.0) internal successors, (4452), 12 states have internal predecessors, (4452), 0 states have call successors, (0), 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 00:33:40,785 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 371.0) internal successors, (4452), 12 states have internal predecessors, (4452), 0 states have call successors, (0), 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 00:33:40,785 INFO L186 Difference]: Start difference. First operand has 477 places, 552 transitions, 3362 flow. Second operand 11 states and 3605 transitions. [2022-01-19 00:33:40,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 487 places, 678 transitions, 4521 flow [2022-01-19 00:33:41,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 678 transitions, 4517 flow, removed 2 selfloop flow, removed 0 redundant places. [2022-01-19 00:33:41,279 INFO L242 Difference]: Finished difference. Result has 496 places, 588 transitions, 4063 flow [2022-01-19 00:33:41,279 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=3358, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4063, PETRI_PLACES=496, PETRI_TRANSITIONS=588} [2022-01-19 00:33:41,280 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 160 predicate places. [2022-01-19 00:33:41,280 INFO L470 AbstractCegarLoop]: Abstraction has has 496 places, 588 transitions, 4063 flow [2022-01-19 00:33:41,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:33:41,281 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:33:41,281 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:33:41,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-19 00:33:41,281 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:33:41,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:33:41,283 INFO L85 PathProgramCache]: Analyzing trace with hash 827780116, now seen corresponding path program 1 times [2022-01-19 00:33:41,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:33:41,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395804545] [2022-01-19 00:33:41,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:33:41,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:33:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:33:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:33:41,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:33:41,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395804545] [2022-01-19 00:33:41,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395804545] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:33:41,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132946113] [2022-01-19 00:33:41,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:33:41,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:33:41,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:33:41,383 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:33:41,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-19 00:33:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:33:41,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-19 00:33:41,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:33:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:33:41,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:33:42,326 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:33:42,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132946113] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:33:42,326 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:33:42,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-01-19 00:33:42,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720004406] [2022-01-19 00:33:42,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:33:42,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 00:33:42,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:33:42,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 00:33:42,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-01-19 00:33:42,329 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 371 [2022-01-19 00:33:42,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 588 transitions, 4063 flow. Second operand has 11 states, 11 states have (on average 333.0) internal successors, (3663), 11 states have internal predecessors, (3663), 0 states have call successors, (0), 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 00:33:42,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:33:42,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 371 [2022-01-19 00:33:42,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:33:53,843 INFO L129 PetriNetUnfolder]: 6890/46815 cut-off events. [2022-01-19 00:33:53,843 INFO L130 PetriNetUnfolder]: For 94613/97972 co-relation queries the response was YES. [2022-01-19 00:33:54,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100809 conditions, 46815 events. 6890/46815 cut-off events. For 94613/97972 co-relation queries the response was YES. Maximal size of possible extension queue 1274. Compared 703388 event pairs, 598 based on Foata normal form. 1157/44545 useless extension candidates. Maximal degree in co-relation 100733. Up to 3579 conditions per place. [2022-01-19 00:33:54,618 INFO L132 encePairwiseOnDemand]: 363/371 looper letters, 96 selfloop transitions, 20 changer transitions 2/646 dead transitions. [2022-01-19 00:33:54,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 646 transitions, 4667 flow [2022-01-19 00:33:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 00:33:54,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 00:33:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4357 transitions. [2022-01-19 00:33:54,622 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9033796392286958 [2022-01-19 00:33:54,622 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 4357 transitions. [2022-01-19 00:33:54,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 4357 transitions. [2022-01-19 00:33:54,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:33:54,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4357 transitions. [2022-01-19 00:33:54,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 335.15384615384613) internal successors, (4357), 13 states have internal predecessors, (4357), 0 states have call successors, (0), 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 00:33:54,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 371.0) internal successors, (5194), 14 states have internal predecessors, (5194), 0 states have call successors, (0), 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 00:33:54,632 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 371.0) internal successors, (5194), 14 states have internal predecessors, (5194), 0 states have call successors, (0), 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 00:33:54,632 INFO L186 Difference]: Start difference. First operand has 496 places, 588 transitions, 4063 flow. Second operand 13 states and 4357 transitions. [2022-01-19 00:33:54,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 646 transitions, 4667 flow [2022-01-19 00:33:55,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 646 transitions, 4645 flow, removed 11 selfloop flow, removed 0 redundant places. [2022-01-19 00:33:55,173 INFO L242 Difference]: Finished difference. Result has 511 places, 604 transitions, 4267 flow [2022-01-19 00:33:55,174 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=4041, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4267, PETRI_PLACES=511, PETRI_TRANSITIONS=604} [2022-01-19 00:33:55,174 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 175 predicate places. [2022-01-19 00:33:55,174 INFO L470 AbstractCegarLoop]: Abstraction has has 511 places, 604 transitions, 4267 flow [2022-01-19 00:33:55,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 333.0) internal successors, (3663), 11 states have internal predecessors, (3663), 0 states have call successors, (0), 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 00:33:55,174 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:33:55,175 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:33:55,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-19 00:33:55,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-19 00:33:55,388 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:33:55,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:33:55,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1078349660, now seen corresponding path program 2 times [2022-01-19 00:33:55,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:33:55,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125986320] [2022-01-19 00:33:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:33:55,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:33:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:33:55,511 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-01-19 00:33:55,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:33:55,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125986320] [2022-01-19 00:33:55,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125986320] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:33:55,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:33:55,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:33:55,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965677936] [2022-01-19 00:33:55,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:33:55,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:33:55,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:33:55,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:33:55,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:33:55,514 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 371 [2022-01-19 00:33:55,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 604 transitions, 4267 flow. Second operand has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:33:55,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:33:55,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 371 [2022-01-19 00:33:55,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:34:16,374 INFO L129 PetriNetUnfolder]: 11865/78839 cut-off events. [2022-01-19 00:34:16,374 INFO L130 PetriNetUnfolder]: For 203529/211784 co-relation queries the response was YES. [2022-01-19 00:34:18,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184888 conditions, 78839 events. 11865/78839 cut-off events. For 203529/211784 co-relation queries the response was YES. Maximal size of possible extension queue 1058. Compared 1181739 event pairs, 3189 based on Foata normal form. 1140/77414 useless extension candidates. Maximal degree in co-relation 184809. Up to 5338 conditions per place. [2022-01-19 00:34:18,535 INFO L132 encePairwiseOnDemand]: 358/371 looper letters, 181 selfloop transitions, 109 changer transitions 0/740 dead transitions. [2022-01-19 00:34:18,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 740 transitions, 5743 flow [2022-01-19 00:34:18,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 00:34:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 00:34:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3296 transitions. [2022-01-19 00:34:18,538 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8884097035040431 [2022-01-19 00:34:18,538 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3296 transitions. [2022-01-19 00:34:18,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3296 transitions. [2022-01-19 00:34:18,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:34:18,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3296 transitions. [2022-01-19 00:34:18,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 329.6) internal successors, (3296), 10 states have internal predecessors, (3296), 0 states have call successors, (0), 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 00:34:18,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 371.0) internal successors, (4081), 11 states have internal predecessors, (4081), 0 states have call successors, (0), 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 00:34:18,550 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 371.0) internal successors, (4081), 11 states have internal predecessors, (4081), 0 states have call successors, (0), 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 00:34:18,550 INFO L186 Difference]: Start difference. First operand has 511 places, 604 transitions, 4267 flow. Second operand 10 states and 3296 transitions. [2022-01-19 00:34:18,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 740 transitions, 5743 flow [2022-01-19 00:34:19,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 740 transitions, 5727 flow, removed 5 selfloop flow, removed 2 redundant places. [2022-01-19 00:34:19,508 INFO L242 Difference]: Finished difference. Result has 526 places, 642 transitions, 5134 flow [2022-01-19 00:34:19,509 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=4251, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5134, PETRI_PLACES=526, PETRI_TRANSITIONS=642} [2022-01-19 00:34:19,509 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 190 predicate places. [2022-01-19 00:34:19,509 INFO L470 AbstractCegarLoop]: Abstraction has has 526 places, 642 transitions, 5134 flow [2022-01-19 00:34:19,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:34:19,509 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:34:19,510 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:19,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-19 00:34:19,510 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:34:19,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:34:19,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1395895750, now seen corresponding path program 1 times [2022-01-19 00:34:19,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:34:19,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404829467] [2022-01-19 00:34:19,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:34:19,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:34:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:34:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-01-19 00:34:19,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:34:19,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404829467] [2022-01-19 00:34:19,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404829467] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:34:19,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:34:19,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 00:34:19,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248418262] [2022-01-19 00:34:19,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:34:19,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 00:34:19,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:34:19,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 00:34:19,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 00:34:19,672 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 371 [2022-01-19 00:34:19,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 642 transitions, 5134 flow. Second operand has 4 states, 4 states have (on average 333.5) internal successors, (1334), 4 states have internal predecessors, (1334), 0 states have call successors, (0), 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 00:34:19,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:34:19,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 371 [2022-01-19 00:34:19,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:34:30,936 INFO L129 PetriNetUnfolder]: 3115/42787 cut-off events. [2022-01-19 00:34:30,936 INFO L130 PetriNetUnfolder]: For 115760/120586 co-relation queries the response was YES. [2022-01-19 00:34:31,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94168 conditions, 42787 events. 3115/42787 cut-off events. For 115760/120586 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 620383 event pairs, 146 based on Foata normal form. 1399/42858 useless extension candidates. Maximal degree in co-relation 94082. Up to 1374 conditions per place. [2022-01-19 00:34:31,677 INFO L132 encePairwiseOnDemand]: 366/371 looper letters, 106 selfloop transitions, 8 changer transitions 0/636 dead transitions. [2022-01-19 00:34:31,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 636 transitions, 5122 flow [2022-01-19 00:34:31,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 00:34:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 00:34:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1693 transitions. [2022-01-19 00:34:31,679 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9126684636118598 [2022-01-19 00:34:31,679 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1693 transitions. [2022-01-19 00:34:31,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1693 transitions. [2022-01-19 00:34:31,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:34:31,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1693 transitions. [2022-01-19 00:34:31,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 338.6) internal successors, (1693), 5 states have internal predecessors, (1693), 0 states have call successors, (0), 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 00:34:31,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 371.0) internal successors, (2226), 6 states have internal predecessors, (2226), 0 states have call successors, (0), 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 00:34:31,696 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 371.0) internal successors, (2226), 6 states have internal predecessors, (2226), 0 states have call successors, (0), 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 00:34:31,696 INFO L186 Difference]: Start difference. First operand has 526 places, 642 transitions, 5134 flow. Second operand 5 states and 1693 transitions. [2022-01-19 00:34:31,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 636 transitions, 5122 flow [2022-01-19 00:34:32,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 636 transitions, 5074 flow, removed 18 selfloop flow, removed 1 redundant places. [2022-01-19 00:34:32,147 INFO L242 Difference]: Finished difference. Result has 530 places, 621 transitions, 4830 flow [2022-01-19 00:34:32,147 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=4794, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=619, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4830, PETRI_PLACES=530, PETRI_TRANSITIONS=621} [2022-01-19 00:34:32,148 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 194 predicate places. [2022-01-19 00:34:32,148 INFO L470 AbstractCegarLoop]: Abstraction has has 530 places, 621 transitions, 4830 flow [2022-01-19 00:34:32,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 333.5) internal successors, (1334), 4 states have internal predecessors, (1334), 0 states have call successors, (0), 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 00:34:32,148 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:34:32,148 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:32,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-19 00:34:32,149 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:34:32,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:34:32,149 INFO L85 PathProgramCache]: Analyzing trace with hash -194998222, now seen corresponding path program 3 times [2022-01-19 00:34:32,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:34:32,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735207410] [2022-01-19 00:34:32,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:34:32,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:34:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:34:32,255 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-01-19 00:34:32,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:34:32,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735207410] [2022-01-19 00:34:32,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735207410] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:34:32,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:34:32,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:34:32,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759800381] [2022-01-19 00:34:32,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:34:32,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:34:32,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:34:32,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:34:32,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:34:32,257 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 371 [2022-01-19 00:34:32,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 621 transitions, 4830 flow. Second operand has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:34:32,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:34:32,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 371 [2022-01-19 00:34:32,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:34:58,106 INFO L129 PetriNetUnfolder]: 13948/93239 cut-off events. [2022-01-19 00:34:58,106 INFO L130 PetriNetUnfolder]: For 276566/285551 co-relation queries the response was YES. [2022-01-19 00:35:01,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222313 conditions, 93239 events. 13948/93239 cut-off events. For 276566/285551 co-relation queries the response was YES. Maximal size of possible extension queue 1259. Compared 1428728 event pairs, 2663 based on Foata normal form. 1250/91153 useless extension candidates. Maximal degree in co-relation 222225. Up to 6232 conditions per place. [2022-01-19 00:35:01,434 INFO L132 encePairwiseOnDemand]: 351/371 looper letters, 172 selfloop transitions, 156 changer transitions 0/778 dead transitions. [2022-01-19 00:35:01,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 778 transitions, 6901 flow [2022-01-19 00:35:01,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 00:35:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 00:35:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3608 transitions. [2022-01-19 00:35:01,436 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8840970350404312 [2022-01-19 00:35:01,436 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3608 transitions. [2022-01-19 00:35:01,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3608 transitions. [2022-01-19 00:35:01,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:35:01,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3608 transitions. [2022-01-19 00:35:01,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 328.0) internal successors, (3608), 11 states have internal predecessors, (3608), 0 states have call successors, (0), 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 00:35:01,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 371.0) internal successors, (4452), 12 states have internal predecessors, (4452), 0 states have call successors, (0), 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 00:35:01,441 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 371.0) internal successors, (4452), 12 states have internal predecessors, (4452), 0 states have call successors, (0), 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 00:35:01,441 INFO L186 Difference]: Start difference. First operand has 530 places, 621 transitions, 4830 flow. Second operand 11 states and 3608 transitions. [2022-01-19 00:35:01,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 778 transitions, 6901 flow [2022-01-19 00:35:02,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 778 transitions, 6887 flow, removed 7 selfloop flow, removed 0 redundant places. [2022-01-19 00:35:02,972 INFO L242 Difference]: Finished difference. Result has 546 places, 690 transitions, 6345 flow [2022-01-19 00:35:02,972 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=4822, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6345, PETRI_PLACES=546, PETRI_TRANSITIONS=690} [2022-01-19 00:35:02,973 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 210 predicate places. [2022-01-19 00:35:02,973 INFO L470 AbstractCegarLoop]: Abstraction has has 546 places, 690 transitions, 6345 flow [2022-01-19 00:35:02,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:35:02,973 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:35:02,973 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:35:02,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-19 00:35:02,973 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:35:02,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:35:02,974 INFO L85 PathProgramCache]: Analyzing trace with hash -960247442, now seen corresponding path program 4 times [2022-01-19 00:35:02,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:35:02,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796799506] [2022-01-19 00:35:02,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:35:02,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:35:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:35:03,083 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-01-19 00:35:03,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:35:03,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796799506] [2022-01-19 00:35:03,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796799506] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:35:03,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:35:03,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:35:03,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269315570] [2022-01-19 00:35:03,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:35:03,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:35:03,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:35:03,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:35:03,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:35:03,087 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 371 [2022-01-19 00:35:03,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 690 transitions, 6345 flow. Second operand has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:35:03,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:35:03,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 371 [2022-01-19 00:35:03,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:35:34,190 INFO L129 PetriNetUnfolder]: 15336/106675 cut-off events. [2022-01-19 00:35:34,191 INFO L130 PetriNetUnfolder]: For 371835/383719 co-relation queries the response was YES. [2022-01-19 00:35:37,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 267115 conditions, 106675 events. 15336/106675 cut-off events. For 371835/383719 co-relation queries the response was YES. Maximal size of possible extension queue 1437. Compared 1676146 event pairs, 2368 based on Foata normal form. 2067/104834 useless extension candidates. Maximal degree in co-relation 267020. Up to 6483 conditions per place. [2022-01-19 00:35:37,844 INFO L132 encePairwiseOnDemand]: 349/371 looper letters, 183 selfloop transitions, 232 changer transitions 0/865 dead transitions. [2022-01-19 00:35:37,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 865 transitions, 8594 flow [2022-01-19 00:35:37,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 00:35:37,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 00:35:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5869 transitions. [2022-01-19 00:35:37,858 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8788559448936808 [2022-01-19 00:35:37,858 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 5869 transitions. [2022-01-19 00:35:37,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 5869 transitions. [2022-01-19 00:35:37,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:35:37,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5869 transitions. [2022-01-19 00:35:37,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 326.05555555555554) internal successors, (5869), 18 states have internal predecessors, (5869), 0 states have call successors, (0), 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 00:35:37,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 371.0) internal successors, (7049), 19 states have internal predecessors, (7049), 0 states have call successors, (0), 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 00:35:37,890 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 371.0) internal successors, (7049), 19 states have internal predecessors, (7049), 0 states have call successors, (0), 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 00:35:37,890 INFO L186 Difference]: Start difference. First operand has 546 places, 690 transitions, 6345 flow. Second operand 18 states and 5869 transitions. [2022-01-19 00:35:37,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 865 transitions, 8594 flow [2022-01-19 00:35:40,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 865 transitions, 8469 flow, removed 22 selfloop flow, removed 3 redundant places. [2022-01-19 00:35:40,744 INFO L242 Difference]: Finished difference. Result has 570 places, 758 transitions, 7844 flow [2022-01-19 00:35:40,744 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=6185, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=687, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=7844, PETRI_PLACES=570, PETRI_TRANSITIONS=758} [2022-01-19 00:35:40,744 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 234 predicate places. [2022-01-19 00:35:40,745 INFO L470 AbstractCegarLoop]: Abstraction has has 570 places, 758 transitions, 7844 flow [2022-01-19 00:35:40,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:35:40,745 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:35:40,752 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:35:40,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-19 00:35:40,752 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:35:40,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:35:40,760 INFO L85 PathProgramCache]: Analyzing trace with hash -192833574, now seen corresponding path program 5 times [2022-01-19 00:35:40,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:35:40,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625615900] [2022-01-19 00:35:40,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:35:40,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:35:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:35:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-01-19 00:35:41,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:35:41,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625615900] [2022-01-19 00:35:41,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625615900] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:35:41,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:35:41,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:35:41,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962377800] [2022-01-19 00:35:41,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:35:41,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:35:41,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:35:41,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:35:41,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:35:41,025 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 371 [2022-01-19 00:35:41,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 758 transitions, 7844 flow. Second operand has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:35:41,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:35:41,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 371 [2022-01-19 00:35:41,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:36:20,808 INFO L129 PetriNetUnfolder]: 16038/127657 cut-off events. [2022-01-19 00:36:20,808 INFO L130 PetriNetUnfolder]: For 475270/485162 co-relation queries the response was YES. [2022-01-19 00:36:25,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 320962 conditions, 127657 events. 16038/127657 cut-off events. For 475270/485162 co-relation queries the response was YES. Maximal size of possible extension queue 1655. Compared 2094651 event pairs, 2503 based on Foata normal form. 2090/124929 useless extension candidates. Maximal degree in co-relation 320858. Up to 12171 conditions per place. [2022-01-19 00:36:25,853 INFO L132 encePairwiseOnDemand]: 354/371 looper letters, 219 selfloop transitions, 191 changer transitions 7/867 dead transitions. [2022-01-19 00:36:25,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 867 transitions, 9580 flow [2022-01-19 00:36:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 00:36:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 00:36:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4231 transitions. [2022-01-19 00:36:25,862 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8772548206510471 [2022-01-19 00:36:25,862 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 4231 transitions. [2022-01-19 00:36:25,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 4231 transitions. [2022-01-19 00:36:25,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:36:25,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4231 transitions. [2022-01-19 00:36:25,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 325.46153846153845) internal successors, (4231), 13 states have internal predecessors, (4231), 0 states have call successors, (0), 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 00:36:25,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 371.0) internal successors, (5194), 14 states have internal predecessors, (5194), 0 states have call successors, (0), 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 00:36:25,867 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 371.0) internal successors, (5194), 14 states have internal predecessors, (5194), 0 states have call successors, (0), 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 00:36:25,867 INFO L186 Difference]: Start difference. First operand has 570 places, 758 transitions, 7844 flow. Second operand 13 states and 4231 transitions. [2022-01-19 00:36:25,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 867 transitions, 9580 flow [2022-01-19 00:36:29,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 867 transitions, 9404 flow, removed 45 selfloop flow, removed 2 redundant places. [2022-01-19 00:36:29,962 INFO L242 Difference]: Finished difference. Result has 586 places, 778 transitions, 8552 flow [2022-01-19 00:36:29,962 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=7677, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8552, PETRI_PLACES=586, PETRI_TRANSITIONS=778} [2022-01-19 00:36:29,963 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 250 predicate places. [2022-01-19 00:36:29,963 INFO L470 AbstractCegarLoop]: Abstraction has has 586 places, 778 transitions, 8552 flow [2022-01-19 00:36:29,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:36:29,963 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:36:29,963 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:36:29,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-19 00:36:29,963 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:36:29,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:36:29,964 INFO L85 PathProgramCache]: Analyzing trace with hash 220509352, now seen corresponding path program 6 times [2022-01-19 00:36:29,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:36:29,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379587819] [2022-01-19 00:36:29,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:36:29,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:36:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:36:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-01-19 00:36:30,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:36:30,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379587819] [2022-01-19 00:36:30,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379587819] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:36:30,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:36:30,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:36:30,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955951149] [2022-01-19 00:36:30,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:36:30,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:36:30,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:36:30,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:36:30,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:36:30,075 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 371 [2022-01-19 00:36:30,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 778 transitions, 8552 flow. Second operand has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:36:30,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:36:30,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 371 [2022-01-19 00:36:30,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:37:10,966 INFO L129 PetriNetUnfolder]: 15871/124953 cut-off events. [2022-01-19 00:37:10,966 INFO L130 PetriNetUnfolder]: For 515077/524558 co-relation queries the response was YES. [2022-01-19 00:37:15,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 320682 conditions, 124953 events. 15871/124953 cut-off events. For 515077/524558 co-relation queries the response was YES. Maximal size of possible extension queue 1644. Compared 2036590 event pairs, 2023 based on Foata normal form. 2388/122596 useless extension candidates. Maximal degree in co-relation 320572. Up to 10903 conditions per place. [2022-01-19 00:37:16,226 INFO L132 encePairwiseOnDemand]: 348/371 looper letters, 191 selfloop transitions, 249 changer transitions 7/897 dead transitions. [2022-01-19 00:37:16,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 897 transitions, 10425 flow [2022-01-19 00:37:16,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-19 00:37:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-01-19 00:37:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 5210 transitions. [2022-01-19 00:37:16,230 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8776954177897575 [2022-01-19 00:37:16,230 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 5210 transitions. [2022-01-19 00:37:16,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 5210 transitions. [2022-01-19 00:37:16,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:37:16,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 5210 transitions. [2022-01-19 00:37:16,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 325.625) internal successors, (5210), 16 states have internal predecessors, (5210), 0 states have call successors, (0), 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 00:37:16,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 371.0) internal successors, (6307), 17 states have internal predecessors, (6307), 0 states have call successors, (0), 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 00:37:16,237 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 371.0) internal successors, (6307), 17 states have internal predecessors, (6307), 0 states have call successors, (0), 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 00:37:16,237 INFO L186 Difference]: Start difference. First operand has 586 places, 778 transitions, 8552 flow. Second operand 16 states and 5210 transitions. [2022-01-19 00:37:16,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 897 transitions, 10425 flow [2022-01-19 00:37:20,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 601 places, 897 transitions, 10355 flow, removed 35 selfloop flow, removed 0 redundant places. [2022-01-19 00:37:20,811 INFO L242 Difference]: Finished difference. Result has 607 places, 801 transitions, 9625 flow [2022-01-19 00:37:20,811 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=8460, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=776, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=9625, PETRI_PLACES=607, PETRI_TRANSITIONS=801} [2022-01-19 00:37:20,812 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 271 predicate places. [2022-01-19 00:37:20,812 INFO L470 AbstractCegarLoop]: Abstraction has has 607 places, 801 transitions, 9625 flow [2022-01-19 00:37:20,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:37:20,812 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:37:20,812 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:37:20,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-19 00:37:20,813 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:37:20,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:37:20,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1360324708, now seen corresponding path program 7 times [2022-01-19 00:37:20,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:37:20,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81268364] [2022-01-19 00:37:20,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:37:20,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:37:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:37:20,915 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-01-19 00:37:20,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:37:20,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81268364] [2022-01-19 00:37:20,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81268364] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:37:20,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:37:20,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:37:20,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635533551] [2022-01-19 00:37:20,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:37:20,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:37:20,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:37:20,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:37:20,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:37:20,917 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 371 [2022-01-19 00:37:20,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 801 transitions, 9625 flow. Second operand has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:37:20,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:37:20,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 371 [2022-01-19 00:37:20,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:38:05,414 INFO L129 PetriNetUnfolder]: 17371/136125 cut-off events. [2022-01-19 00:38:05,415 INFO L130 PetriNetUnfolder]: For 645776/658004 co-relation queries the response was YES. [2022-01-19 00:38:10,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 354628 conditions, 136125 events. 17371/136125 cut-off events. For 645776/658004 co-relation queries the response was YES. Maximal size of possible extension queue 1842. Compared 2240787 event pairs, 3060 based on Foata normal form. 2294/132882 useless extension candidates. Maximal degree in co-relation 354511. Up to 9188 conditions per place. [2022-01-19 00:38:11,031 INFO L132 encePairwiseOnDemand]: 354/371 looper letters, 203 selfloop transitions, 272 changer transitions 9/934 dead transitions. [2022-01-19 00:38:11,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 934 transitions, 12093 flow [2022-01-19 00:38:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-19 00:38:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-01-19 00:38:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 4567 transitions. [2022-01-19 00:38:11,034 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.879283788987293 [2022-01-19 00:38:11,034 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 4567 transitions. [2022-01-19 00:38:11,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 4567 transitions. [2022-01-19 00:38:11,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:38:11,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 4567 transitions. [2022-01-19 00:38:11,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 326.2142857142857) internal successors, (4567), 14 states have internal predecessors, (4567), 0 states have call successors, (0), 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 00:38:11,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 371.0) internal successors, (5565), 15 states have internal predecessors, (5565), 0 states have call successors, (0), 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 00:38:11,039 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 371.0) internal successors, (5565), 15 states have internal predecessors, (5565), 0 states have call successors, (0), 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 00:38:11,039 INFO L186 Difference]: Start difference. First operand has 607 places, 801 transitions, 9625 flow. Second operand 14 states and 4567 transitions. [2022-01-19 00:38:11,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 934 transitions, 12093 flow [2022-01-19 00:38:17,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 934 transitions, 11775 flow, removed 18 selfloop flow, removed 5 redundant places. [2022-01-19 00:38:17,260 INFO L242 Difference]: Finished difference. Result has 621 places, 824 transitions, 10719 flow [2022-01-19 00:38:17,261 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=9232, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=795, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=242, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=549, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10719, PETRI_PLACES=621, PETRI_TRANSITIONS=824} [2022-01-19 00:38:17,262 INFO L334 CegarLoopForPetriNet]: 336 programPoint places, 285 predicate places. [2022-01-19 00:38:17,262 INFO L470 AbstractCegarLoop]: Abstraction has has 621 places, 824 transitions, 10719 flow [2022-01-19 00:38:17,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 317.42857142857144) internal successors, (2222), 7 states have internal predecessors, (2222), 0 states have call successors, (0), 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 00:38:17,262 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:38:17,263 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:38:17,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-19 00:38:17,263 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:38:17,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:38:17,263 INFO L85 PathProgramCache]: Analyzing trace with hash 273978559, now seen corresponding path program 1 times [2022-01-19 00:38:17,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:38:17,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620275667] [2022-01-19 00:38:17,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:38:17,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:38:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:38:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:38:19,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:38:19,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620275667] [2022-01-19 00:38:19,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620275667] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:38:19,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764304076] [2022-01-19 00:38:19,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:38:19,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:38:19,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:38:19,662 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:38:19,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-19 00:38:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:38:19,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 82 conjunts are in the unsatisfiable core [2022-01-19 00:38:19,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:38:22,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 00:38:22,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 00:38:22,585 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-01-19 00:38:22,586 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 25 [2022-01-19 00:38:28,727 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 00:38:28,727 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 53 [2022-01-19 00:38:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:38:29,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:38:36,012 INFO L353 Elim1Store]: treesize reduction 31, result has 77.4 percent of original size [2022-01-19 00:38:36,013 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 150 treesize of output 207 [2022-01-19 00:38:36,031 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 00:38:36,031 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 107 [2022-01-19 00:38:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-19 00:38:50,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764304076] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:38:50,451 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:38:50,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 46, 46] total 138 [2022-01-19 00:38:50,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208841730] [2022-01-19 00:38:50,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:38:50,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2022-01-19 00:38:50,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:38:50,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2022-01-19 00:38:50,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=501, Invalid=18040, Unknown=365, NotChecked=0, Total=18906 [2022-01-19 00:38:50,472 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 371 [2022-01-19 00:38:50,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 824 transitions, 10719 flow. Second operand has 138 states, 138 states have (on average 164.42028985507247) internal successors, (22690), 138 states have internal predecessors, (22690), 0 states have call successors, (0), 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 00:38:50,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:38:50,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 371 [2022-01-19 00:38:50,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand