/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-Before.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 06:52:49,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 06:52:49,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 06:52:49,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 06:52:49,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 06:52:49,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 06:52:49,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 06:52:49,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 06:52:50,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 06:52:50,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 06:52:50,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 06:52:50,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 06:52:50,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 06:52:50,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 06:52:50,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 06:52:50,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 06:52:50,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 06:52:50,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 06:52:50,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 06:52:50,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 06:52:50,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 06:52:50,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 06:52:50,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 06:52:50,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 06:52:50,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 06:52:50,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 06:52:50,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 06:52:50,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 06:52:50,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 06:52:50,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 06:52:50,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 06:52:50,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 06:52:50,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 06:52:50,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 06:52:50,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 06:52:50,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 06:52:50,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 06:52:50,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 06:52:50,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 06:52:50,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 06:52:50,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 06:52:50,027 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-Before.epf [2022-01-19 06:52:50,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 06:52:50,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 06:52:50,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 06:52:50,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 06:52:50,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 06:52:50,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 06:52:50,052 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 06:52:50,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 06:52:50,052 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 06:52:50,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 06:52:50,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 06:52:50,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 06:52:50,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 06:52:50,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 06:52:50,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 06:52:50,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 06:52:50,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 06:52:50,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 06:52:50,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 06:52:50,054 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 06:52:50,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 06:52:50,054 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=BEFORE [2022-01-19 06:52:50,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 06:52:50,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 06:52:50,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 06:52:50,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 06:52:50,251 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 06:52:50,253 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 06:52:50,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2022-01-19 06:52:50,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef492979/7337653ed1ad414d99a69df8efe29cef/FLAG4d2ad64b9 [2022-01-19 06:52:50,637 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 06:52:50,637 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2022-01-19 06:52:50,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef492979/7337653ed1ad414d99a69df8efe29cef/FLAG4d2ad64b9 [2022-01-19 06:52:51,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef492979/7337653ed1ad414d99a69df8efe29cef [2022-01-19 06:52:51,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 06:52:51,072 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 06:52:51,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 06:52:51,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 06:52:51,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 06:52:51,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a552eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51, skipping insertion in model container [2022-01-19 06:52:51,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 06:52:51,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 06:52:51,241 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-array-int-subst.wvr.c[2781,2794] [2022-01-19 06:52:51,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 06:52:51,250 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 06:52:51,265 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-array-int-subst.wvr.c[2781,2794] [2022-01-19 06:52:51,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 06:52:51,276 INFO L208 MainTranslator]: Completed translation [2022-01-19 06:52:51,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51 WrapperNode [2022-01-19 06:52:51,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 06:52:51,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 06:52:51,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 06:52:51,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 06:52:51,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,308 INFO L137 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 281 [2022-01-19 06:52:51,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 06:52:51,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 06:52:51,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 06:52:51,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 06:52:51,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 06:52:51,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 06:52:51,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 06:52:51,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 06:52:51,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (1/1) ... [2022-01-19 06:52:51,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 06:52:51,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:52:51,371 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 06:52:51,388 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 06:52:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 06:52:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 06:52:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 06:52:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 06:52:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 06:52:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 06:52:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 06:52:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 06:52:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 06:52:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 06:52:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 06:52:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-19 06:52:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 06:52:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 06:52:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 06:52:51,401 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 06:52:51,467 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 06:52:51,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 06:52:51,774 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 06:52:51,782 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 06:52:51,782 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-01-19 06:52:51,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 06:52:51 BoogieIcfgContainer [2022-01-19 06:52:51,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 06:52:51,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 06:52:51,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 06:52:51,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 06:52:51,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 06:52:51" (1/3) ... [2022-01-19 06:52:51,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdd9d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 06:52:51, skipping insertion in model container [2022-01-19 06:52:51,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:52:51" (2/3) ... [2022-01-19 06:52:51,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdd9d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 06:52:51, skipping insertion in model container [2022-01-19 06:52:51,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 06:52:51" (3/3) ... [2022-01-19 06:52:51,790 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2022-01-19 06:52:51,793 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 06:52:51,793 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 06:52:51,793 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 06:52:51,837 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,838 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,838 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,838 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,841 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,841 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,841 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,841 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,841 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,841 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,841 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,841 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,841 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,842 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,842 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,842 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,842 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,842 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,842 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,842 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,845 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,845 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,845 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,845 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,845 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,845 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,845 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,846 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,846 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,846 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,846 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,846 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,846 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,846 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,846 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,847 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,847 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,847 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,847 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,847 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,847 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,847 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,847 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,847 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,847 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,855 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,855 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,855 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,855 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,855 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,875 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,875 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,875 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,876 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,876 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,876 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,876 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,877 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,877 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,877 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,881 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,882 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,882 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,882 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,882 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,882 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,882 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,883 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,884 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,884 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,884 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,884 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,884 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,884 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,884 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,884 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,885 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,885 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,885 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,885 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,885 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,886 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,886 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,886 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,886 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,887 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,888 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,888 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,889 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,889 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,890 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,890 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,890 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,890 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,890 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,891 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,891 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,891 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,891 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,891 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,891 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,891 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,891 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,894 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,901 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,901 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,901 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,907 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,907 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,907 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,907 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,908 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,910 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,910 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,921 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,931 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,931 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,931 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,931 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,931 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:52:51,941 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 06:52:51,987 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 06:52:51,994 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 06:52:51,994 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 06:52:52,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 339 places, 358 transitions, 740 flow [2022-01-19 06:52:52,133 INFO L129 PetriNetUnfolder]: 29/355 cut-off events. [2022-01-19 06:52:52,133 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 06:52:52,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 355 events. 29/355 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 594 event pairs, 0 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 269. Up to 3 conditions per place. [2022-01-19 06:52:52,140 INFO L82 GeneralOperation]: Start removeDead. Operand has 339 places, 358 transitions, 740 flow [2022-01-19 06:52:52,150 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 325 places, 344 transitions, 706 flow [2022-01-19 06:52:52,205 INFO L129 PetriNetUnfolder]: 29/343 cut-off events. [2022-01-19 06:52:52,206 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 06:52:52,206 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:52:52,206 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] [2022-01-19 06:52:52,207 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 06:52:52,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:52:52,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1639553318, now seen corresponding path program 1 times [2022-01-19 06:52:52,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:52:52,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839958079] [2022-01-19 06:52:52,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:52:52,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:52:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:52:52,419 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 06:52:52,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:52:52,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839958079] [2022-01-19 06:52:52,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839958079] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:52:52,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:52:52,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 06:52:52,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618442339] [2022-01-19 06:52:52,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:52:52,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-19 06:52:52,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:52:52,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-19 06:52:52,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-19 06:52:52,453 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 358 [2022-01-19 06:52:52,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 344 transitions, 706 flow. Second operand has 2 states, 2 states have (on average 334.5) internal successors, (669), 2 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 06:52:52,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:52:52,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 358 [2022-01-19 06:52:52,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:52:52,520 INFO L129 PetriNetUnfolder]: 9/324 cut-off events. [2022-01-19 06:52:52,520 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-01-19 06:52:52,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 324 events. 9/324 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 564 event pairs, 0 based on Foata normal form. 26/327 useless extension candidates. Maximal degree in co-relation 256. Up to 7 conditions per place. [2022-01-19 06:52:52,524 INFO L132 encePairwiseOnDemand]: 338/358 looper letters, 6 selfloop transitions, 0 changer transitions 8/324 dead transitions. [2022-01-19 06:52:52,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 324 transitions, 678 flow [2022-01-19 06:52:52,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-19 06:52:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-19 06:52:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 688 transitions. [2022-01-19 06:52:52,538 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9608938547486033 [2022-01-19 06:52:52,538 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 688 transitions. [2022-01-19 06:52:52,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 688 transitions. [2022-01-19 06:52:52,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:52:52,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 688 transitions. [2022-01-19 06:52:52,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 344.0) internal successors, (688), 2 states have internal predecessors, (688), 0 states have call successors, (0), 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 06:52:52,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 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 06:52:52,555 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 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 06:52:52,556 INFO L186 Difference]: Start difference. First operand has 325 places, 344 transitions, 706 flow. Second operand 2 states and 688 transitions. [2022-01-19 06:52:52,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 324 transitions, 678 flow [2022-01-19 06:52:52,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 324 transitions, 666 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 06:52:52,567 INFO L242 Difference]: Finished difference. Result has 320 places, 316 transitions, 638 flow [2022-01-19 06:52:52,568 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=638, PETRI_PLACES=320, PETRI_TRANSITIONS=316} [2022-01-19 06:52:52,571 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, -5 predicate places. [2022-01-19 06:52:52,572 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 316 transitions, 638 flow [2022-01-19 06:52:52,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 334.5) internal successors, (669), 2 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 06:52:52,572 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:52:52,572 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] [2022-01-19 06:52:52,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 06:52:52,573 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 06:52:52,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:52:52,573 INFO L85 PathProgramCache]: Analyzing trace with hash 920959637, now seen corresponding path program 1 times [2022-01-19 06:52:52,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:52:52,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255025938] [2022-01-19 06:52:52,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:52:52,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:52:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:52:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:52:53,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:52:53,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255025938] [2022-01-19 06:52:53,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255025938] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:52:53,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:52:53,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 06:52:53,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374505146] [2022-01-19 06:52:53,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:52:53,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 06:52:53,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:52:53,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 06:52:53,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=684, Unknown=0, NotChecked=0, Total=756 [2022-01-19 06:52:53,664 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 358 [2022-01-19 06:52:53,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 316 transitions, 638 flow. Second operand has 28 states, 28 states have (on average 242.53571428571428) internal successors, (6791), 28 states have internal predecessors, (6791), 0 states have call successors, (0), 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 06:52:53,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:52:53,669 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 358 [2022-01-19 06:52:53,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:52:57,010 INFO L129 PetriNetUnfolder]: 1710/12719 cut-off events. [2022-01-19 06:52:57,010 INFO L130 PetriNetUnfolder]: For 164/164 co-relation queries the response was YES. [2022-01-19 06:52:57,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15172 conditions, 12719 events. 1710/12719 cut-off events. For 164/164 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 156218 event pairs, 930 based on Foata normal form. 1/11260 useless extension candidates. Maximal degree in co-relation 15169. Up to 500 conditions per place. [2022-01-19 06:52:57,088 INFO L132 encePairwiseOnDemand]: 319/358 looper letters, 249 selfloop transitions, 40 changer transitions 8/524 dead transitions. [2022-01-19 06:52:57,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 524 transitions, 1677 flow [2022-01-19 06:52:57,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-19 06:52:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2022-01-19 06:52:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 8698 transitions. [2022-01-19 06:52:57,100 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6941739824421389 [2022-01-19 06:52:57,101 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 8698 transitions. [2022-01-19 06:52:57,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 8698 transitions. [2022-01-19 06:52:57,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:52:57,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 8698 transitions. [2022-01-19 06:52:57,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 248.5142857142857) internal successors, (8698), 35 states have internal predecessors, (8698), 0 states have call successors, (0), 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 06:52:57,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 358.0) internal successors, (12888), 36 states have internal predecessors, (12888), 0 states have call successors, (0), 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 06:52:57,140 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 358.0) internal successors, (12888), 36 states have internal predecessors, (12888), 0 states have call successors, (0), 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 06:52:57,141 INFO L186 Difference]: Start difference. First operand has 320 places, 316 transitions, 638 flow. Second operand 35 states and 8698 transitions. [2022-01-19 06:52:57,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 524 transitions, 1677 flow [2022-01-19 06:52:57,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 524 transitions, 1677 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 06:52:57,149 INFO L242 Difference]: Finished difference. Result has 368 places, 347 transitions, 897 flow [2022-01-19 06:52:57,149 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=897, PETRI_PLACES=368, PETRI_TRANSITIONS=347} [2022-01-19 06:52:57,150 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 43 predicate places. [2022-01-19 06:52:57,150 INFO L470 AbstractCegarLoop]: Abstraction has has 368 places, 347 transitions, 897 flow [2022-01-19 06:52:57,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 242.53571428571428) internal successors, (6791), 28 states have internal predecessors, (6791), 0 states have call successors, (0), 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 06:52:57,152 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:52:57,152 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] [2022-01-19 06:52:57,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 06:52:57,153 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 06:52:57,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:52:57,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1326098905, now seen corresponding path program 2 times [2022-01-19 06:52:57,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:52:57,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133508436] [2022-01-19 06:52:57,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:52:57,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:52:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:52:57,498 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 06:52:57,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:52:57,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133508436] [2022-01-19 06:52:57,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133508436] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:52:57,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:52:57,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-19 06:52:57,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025626594] [2022-01-19 06:52:57,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:52:57,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-19 06:52:57,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:52:57,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-19 06:52:57,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2022-01-19 06:52:57,503 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 358 [2022-01-19 06:52:57,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 347 transitions, 897 flow. Second operand has 19 states, 19 states have (on average 243.73684210526315) internal successors, (4631), 19 states have internal predecessors, (4631), 0 states have call successors, (0), 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 06:52:57,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:52:57,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 358 [2022-01-19 06:52:57,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:53:00,917 INFO L129 PetriNetUnfolder]: 3179/23593 cut-off events. [2022-01-19 06:53:00,917 INFO L130 PetriNetUnfolder]: For 4056/4503 co-relation queries the response was YES. [2022-01-19 06:53:01,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30835 conditions, 23593 events. 3179/23593 cut-off events. For 4056/4503 co-relation queries the response was YES. Maximal size of possible extension queue 531. Compared 325727 event pairs, 1334 based on Foata normal form. 12/20817 useless extension candidates. Maximal degree in co-relation 30809. Up to 1422 conditions per place. [2022-01-19 06:53:01,088 INFO L132 encePairwiseOnDemand]: 332/358 looper letters, 166 selfloop transitions, 42 changer transitions 8/443 dead transitions. [2022-01-19 06:53:01,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 443 transitions, 1657 flow [2022-01-19 06:53:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-19 06:53:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-01-19 06:53:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 5463 transitions. [2022-01-19 06:53:01,096 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6936262061960387 [2022-01-19 06:53:01,096 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 5463 transitions. [2022-01-19 06:53:01,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 5463 transitions. [2022-01-19 06:53:01,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:53:01,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 5463 transitions. [2022-01-19 06:53:01,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 248.3181818181818) internal successors, (5463), 22 states have internal predecessors, (5463), 0 states have call successors, (0), 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 06:53:01,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 358.0) internal successors, (8234), 23 states have internal predecessors, (8234), 0 states have call successors, (0), 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 06:53:01,117 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 358.0) internal successors, (8234), 23 states have internal predecessors, (8234), 0 states have call successors, (0), 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 06:53:01,117 INFO L186 Difference]: Start difference. First operand has 368 places, 347 transitions, 897 flow. Second operand 22 states and 5463 transitions. [2022-01-19 06:53:01,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 443 transitions, 1657 flow [2022-01-19 06:53:01,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 443 transitions, 1600 flow, removed 24 selfloop flow, removed 9 redundant places. [2022-01-19 06:53:01,130 INFO L242 Difference]: Finished difference. Result has 385 places, 361 transitions, 1110 flow [2022-01-19 06:53:01,131 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1110, PETRI_PLACES=385, PETRI_TRANSITIONS=361} [2022-01-19 06:53:01,131 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 60 predicate places. [2022-01-19 06:53:01,131 INFO L470 AbstractCegarLoop]: Abstraction has has 385 places, 361 transitions, 1110 flow [2022-01-19 06:53:01,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 243.73684210526315) internal successors, (4631), 19 states have internal predecessors, (4631), 0 states have call successors, (0), 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 06:53:01,133 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:53:01,133 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] [2022-01-19 06:53:01,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 06:53:01,133 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 06:53:01,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:53:01,134 INFO L85 PathProgramCache]: Analyzing trace with hash -159820239, now seen corresponding path program 3 times [2022-01-19 06:53:01,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:53:01,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424371177] [2022-01-19 06:53:01,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:53:01,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:53:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:53:01,699 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 06:53:01,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:53:01,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424371177] [2022-01-19 06:53:01,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424371177] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:53:01,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:53:01,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-19 06:53:01,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007536445] [2022-01-19 06:53:01,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:53:01,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-19 06:53:01,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:53:01,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-19 06:53:01,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-19 06:53:01,704 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 358 [2022-01-19 06:53:01,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 361 transitions, 1110 flow. Second operand has 26 states, 26 states have (on average 242.73076923076923) internal successors, (6311), 26 states have internal predecessors, (6311), 0 states have call successors, (0), 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 06:53:01,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:53:01,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 358 [2022-01-19 06:53:01,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:53:06,297 INFO L129 PetriNetUnfolder]: 3494/26081 cut-off events. [2022-01-19 06:53:06,297 INFO L130 PetriNetUnfolder]: For 12269/14085 co-relation queries the response was YES. [2022-01-19 06:53:06,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36616 conditions, 26081 events. 3494/26081 cut-off events. For 12269/14085 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 366553 event pairs, 1546 based on Foata normal form. 67/23022 useless extension candidates. Maximal degree in co-relation 36584. Up to 1374 conditions per place. [2022-01-19 06:53:06,489 INFO L132 encePairwiseOnDemand]: 321/358 looper letters, 226 selfloop transitions, 56 changer transitions 8/517 dead transitions. [2022-01-19 06:53:06,489 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 517 transitions, 2337 flow [2022-01-19 06:53:06,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-19 06:53:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2022-01-19 06:53:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 8409 transitions. [2022-01-19 06:53:06,502 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6908478475188958 [2022-01-19 06:53:06,502 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 8409 transitions. [2022-01-19 06:53:06,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 8409 transitions. [2022-01-19 06:53:06,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:53:06,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 8409 transitions. [2022-01-19 06:53:06,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 247.3235294117647) internal successors, (8409), 34 states have internal predecessors, (8409), 0 states have call successors, (0), 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 06:53:06,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 358.0) internal successors, (12530), 35 states have internal predecessors, (12530), 0 states have call successors, (0), 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 06:53:06,529 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 358.0) internal successors, (12530), 35 states have internal predecessors, (12530), 0 states have call successors, (0), 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 06:53:06,529 INFO L186 Difference]: Start difference. First operand has 385 places, 361 transitions, 1110 flow. Second operand 34 states and 8409 transitions. [2022-01-19 06:53:06,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 517 transitions, 2337 flow [2022-01-19 06:53:06,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 517 transitions, 2194 flow, removed 51 selfloop flow, removed 15 redundant places. [2022-01-19 06:53:06,552 INFO L242 Difference]: Finished difference. Result has 414 places, 384 transitions, 1435 flow [2022-01-19 06:53:06,552 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=1435, PETRI_PLACES=414, PETRI_TRANSITIONS=384} [2022-01-19 06:53:06,553 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 89 predicate places. [2022-01-19 06:53:06,554 INFO L470 AbstractCegarLoop]: Abstraction has has 414 places, 384 transitions, 1435 flow [2022-01-19 06:53:06,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 242.73076923076923) internal successors, (6311), 26 states have internal predecessors, (6311), 0 states have call successors, (0), 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 06:53:06,555 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:53:06,555 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] [2022-01-19 06:53:06,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 06:53:06,555 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 06:53:06,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:53:06,556 INFO L85 PathProgramCache]: Analyzing trace with hash -2030632123, now seen corresponding path program 4 times [2022-01-19 06:53:06,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:53:06,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005517122] [2022-01-19 06:53:06,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:53:06,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:53:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:53:06,847 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 06:53:06,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:53:06,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005517122] [2022-01-19 06:53:06,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005517122] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:53:06,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:53:06,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 06:53:06,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154035912] [2022-01-19 06:53:06,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:53:06,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 06:53:06,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:53:06,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 06:53:06,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 06:53:06,851 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 358 [2022-01-19 06:53:06,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 384 transitions, 1435 flow. Second operand has 10 states, 10 states have (on average 272.6) internal successors, (2726), 10 states have internal predecessors, (2726), 0 states have call successors, (0), 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 06:53:06,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:53:06,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 358 [2022-01-19 06:53:06,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:53:11,079 INFO L129 PetriNetUnfolder]: 4186/31549 cut-off events. [2022-01-19 06:53:11,079 INFO L130 PetriNetUnfolder]: For 22799/26038 co-relation queries the response was YES. [2022-01-19 06:53:11,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46502 conditions, 31549 events. 4186/31549 cut-off events. For 22799/26038 co-relation queries the response was YES. Maximal size of possible extension queue 738. Compared 455736 event pairs, 809 based on Foata normal form. 118/27723 useless extension candidates. Maximal degree in co-relation 46459. Up to 2418 conditions per place. [2022-01-19 06:53:11,558 INFO L132 encePairwiseOnDemand]: 346/358 looper letters, 150 selfloop transitions, 30 changer transitions 8/462 dead transitions. [2022-01-19 06:53:11,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 462 transitions, 2270 flow [2022-01-19 06:53:11,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 06:53:11,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 06:53:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2792 transitions. [2022-01-19 06:53:11,562 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7798882681564245 [2022-01-19 06:53:11,562 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2792 transitions. [2022-01-19 06:53:11,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2792 transitions. [2022-01-19 06:53:11,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:53:11,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2792 transitions. [2022-01-19 06:53:11,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 279.2) internal successors, (2792), 10 states have internal predecessors, (2792), 0 states have call successors, (0), 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 06:53:11,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 358.0) internal successors, (3938), 11 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 06:53:11,571 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 358.0) internal successors, (3938), 11 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 06:53:11,571 INFO L186 Difference]: Start difference. First operand has 414 places, 384 transitions, 1435 flow. Second operand 10 states and 2792 transitions. [2022-01-19 06:53:11,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 462 transitions, 2270 flow [2022-01-19 06:53:11,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 462 transitions, 2180 flow, removed 27 selfloop flow, removed 20 redundant places. [2022-01-19 06:53:11,598 INFO L242 Difference]: Finished difference. Result has 406 places, 403 transitions, 1730 flow [2022-01-19 06:53:11,598 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=1373, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1730, PETRI_PLACES=406, PETRI_TRANSITIONS=403} [2022-01-19 06:53:11,600 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 81 predicate places. [2022-01-19 06:53:11,600 INFO L470 AbstractCegarLoop]: Abstraction has has 406 places, 403 transitions, 1730 flow [2022-01-19 06:53:11,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 272.6) internal successors, (2726), 10 states have internal predecessors, (2726), 0 states have call successors, (0), 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 06:53:11,601 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:53:11,601 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] [2022-01-19 06:53:11,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 06:53:11,601 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 06:53:11,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:53:11,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1067807635, now seen corresponding path program 5 times [2022-01-19 06:53:11,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:53:11,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003902930] [2022-01-19 06:53:11,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:53:11,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:53:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:53:12,207 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 06:53:12,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:53:12,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003902930] [2022-01-19 06:53:12,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003902930] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:53:12,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:53:12,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-19 06:53:12,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424469360] [2022-01-19 06:53:12,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:53:12,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-19 06:53:12,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:53:12,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-19 06:53:12,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2022-01-19 06:53:12,211 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 358 [2022-01-19 06:53:12,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 403 transitions, 1730 flow. Second operand has 26 states, 26 states have (on average 242.73076923076923) internal successors, (6311), 26 states have internal predecessors, (6311), 0 states have call successors, (0), 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 06:53:12,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:53:12,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 358 [2022-01-19 06:53:12,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:53:18,802 INFO L129 PetriNetUnfolder]: 4478/34768 cut-off events. [2022-01-19 06:53:18,802 INFO L130 PetriNetUnfolder]: For 38793/42408 co-relation queries the response was YES. [2022-01-19 06:53:19,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53808 conditions, 34768 events. 4478/34768 cut-off events. For 38793/42408 co-relation queries the response was YES. Maximal size of possible extension queue 809. Compared 516055 event pairs, 2002 based on Foata normal form. 190/30603 useless extension candidates. Maximal degree in co-relation 53761. Up to 2006 conditions per place. [2022-01-19 06:53:19,120 INFO L132 encePairwiseOnDemand]: 321/358 looper letters, 255 selfloop transitions, 73 changer transitions 8/563 dead transitions. [2022-01-19 06:53:19,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 563 transitions, 3321 flow [2022-01-19 06:53:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-19 06:53:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2022-01-19 06:53:19,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 8168 transitions. [2022-01-19 06:53:19,130 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.691383104790926 [2022-01-19 06:53:19,130 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 8168 transitions. [2022-01-19 06:53:19,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 8168 transitions. [2022-01-19 06:53:19,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:53:19,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 8168 transitions. [2022-01-19 06:53:19,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 247.5151515151515) internal successors, (8168), 33 states have internal predecessors, (8168), 0 states have call successors, (0), 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 06:53:19,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 358.0) internal successors, (12172), 34 states have internal predecessors, (12172), 0 states have call successors, (0), 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 06:53:19,154 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 358.0) internal successors, (12172), 34 states have internal predecessors, (12172), 0 states have call successors, (0), 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 06:53:19,154 INFO L186 Difference]: Start difference. First operand has 406 places, 403 transitions, 1730 flow. Second operand 33 states and 8168 transitions. [2022-01-19 06:53:19,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 563 transitions, 3321 flow [2022-01-19 06:53:19,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 563 transitions, 3161 flow, removed 66 selfloop flow, removed 6 redundant places. [2022-01-19 06:53:19,228 INFO L242 Difference]: Finished difference. Result has 437 places, 425 transitions, 2210 flow [2022-01-19 06:53:19,229 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=1673, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=2210, PETRI_PLACES=437, PETRI_TRANSITIONS=425} [2022-01-19 06:53:19,230 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 112 predicate places. [2022-01-19 06:53:19,230 INFO L470 AbstractCegarLoop]: Abstraction has has 437 places, 425 transitions, 2210 flow [2022-01-19 06:53:19,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 242.73076923076923) internal successors, (6311), 26 states have internal predecessors, (6311), 0 states have call successors, (0), 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 06:53:19,232 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:53:19,232 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] [2022-01-19 06:53:19,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 06:53:19,232 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 06:53:19,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:53:19,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1667040507, now seen corresponding path program 6 times [2022-01-19 06:53:19,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:53:19,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597975607] [2022-01-19 06:53:19,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:53:19,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:53:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:53:19,735 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 06:53:19,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:53:19,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597975607] [2022-01-19 06:53:19,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597975607] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:53:19,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:53:19,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 06:53:19,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146013878] [2022-01-19 06:53:19,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:53:19,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 06:53:19,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:53:19,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 06:53:19,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2022-01-19 06:53:19,742 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 358 [2022-01-19 06:53:19,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 425 transitions, 2210 flow. Second operand has 24 states, 24 states have (on average 242.95833333333334) internal successors, (5831), 24 states have internal predecessors, (5831), 0 states have call successors, (0), 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 06:53:19,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:53:19,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 358 [2022-01-19 06:53:19,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:53:25,981 INFO L129 PetriNetUnfolder]: 4496/35272 cut-off events. [2022-01-19 06:53:25,981 INFO L130 PetriNetUnfolder]: For 46989/50750 co-relation queries the response was YES. [2022-01-19 06:53:26,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55114 conditions, 35272 events. 4496/35272 cut-off events. For 46989/50750 co-relation queries the response was YES. Maximal size of possible extension queue 813. Compared 523310 event pairs, 2002 based on Foata normal form. 253/31141 useless extension candidates. Maximal degree in co-relation 55062. Up to 2006 conditions per place. [2022-01-19 06:53:26,518 INFO L132 encePairwiseOnDemand]: 318/358 looper letters, 258 selfloop transitions, 75 changer transitions 8/568 dead transitions. [2022-01-19 06:53:26,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 568 transitions, 3565 flow [2022-01-19 06:53:26,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-19 06:53:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2022-01-19 06:53:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 8414 transitions. [2022-01-19 06:53:26,524 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6912586263555701 [2022-01-19 06:53:26,524 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 8414 transitions. [2022-01-19 06:53:26,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 8414 transitions. [2022-01-19 06:53:26,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:53:26,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 8414 transitions. [2022-01-19 06:53:26,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 247.47058823529412) internal successors, (8414), 34 states have internal predecessors, (8414), 0 states have call successors, (0), 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 06:53:26,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 358.0) internal successors, (12530), 35 states have internal predecessors, (12530), 0 states have call successors, (0), 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 06:53:26,541 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 358.0) internal successors, (12530), 35 states have internal predecessors, (12530), 0 states have call successors, (0), 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 06:53:26,541 INFO L186 Difference]: Start difference. First operand has 437 places, 425 transitions, 2210 flow. Second operand 34 states and 8414 transitions. [2022-01-19 06:53:26,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 568 transitions, 3565 flow [2022-01-19 06:53:26,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 568 transitions, 3427 flow, removed 39 selfloop flow, removed 25 redundant places. [2022-01-19 06:53:26,614 INFO L242 Difference]: Finished difference. Result has 449 places, 439 transitions, 2570 flow [2022-01-19 06:53:26,615 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=2120, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=2570, PETRI_PLACES=449, PETRI_TRANSITIONS=439} [2022-01-19 06:53:26,615 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 124 predicate places. [2022-01-19 06:53:26,616 INFO L470 AbstractCegarLoop]: Abstraction has has 449 places, 439 transitions, 2570 flow [2022-01-19 06:53:26,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 242.95833333333334) internal successors, (5831), 24 states have internal predecessors, (5831), 0 states have call successors, (0), 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 06:53:26,616 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:53:26,617 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] [2022-01-19 06:53:26,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 06:53:26,617 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 06:53:26,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:53:26,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1192599653, now seen corresponding path program 1 times [2022-01-19 06:53:26,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:53:26,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542730206] [2022-01-19 06:53:26,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:53:26,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:53:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:53:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:53:26,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:53:26,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542730206] [2022-01-19 06:53:26,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542730206] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:53:26,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709340355] [2022-01-19 06:53:26,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:53:26,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:53:26,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:53:26,810 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 06:53:26,813 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 06:53:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:53:26,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 19 conjunts are in the unsatisfiable core [2022-01-19 06:53:26,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:53:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:53:27,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 06:53:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:53:28,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709340355] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 06:53:28,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 06:53:28,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [19, 18] total 36 [2022-01-19 06:53:28,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670327583] [2022-01-19 06:53:28,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:53:28,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-01-19 06:53:28,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:53:28,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-01-19 06:53:28,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2022-01-19 06:53:28,630 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 358 [2022-01-19 06:53:28,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 439 transitions, 2570 flow. Second operand has 18 states, 18 states have (on average 246.11111111111111) internal successors, (4430), 18 states have internal predecessors, (4430), 0 states have call successors, (0), 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 06:53:28,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:53:28,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 358 [2022-01-19 06:53:28,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:53:34,501 INFO L129 PetriNetUnfolder]: 4437/36088 cut-off events. [2022-01-19 06:53:34,502 INFO L130 PetriNetUnfolder]: For 57236/59738 co-relation queries the response was YES. [2022-01-19 06:53:34,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56921 conditions, 36088 events. 4437/36088 cut-off events. For 57236/59738 co-relation queries the response was YES. Maximal size of possible extension queue 866. Compared 538462 event pairs, 2449 based on Foata normal form. 134/31852 useless extension candidates. Maximal degree in co-relation 56864. Up to 2053 conditions per place. [2022-01-19 06:53:34,835 INFO L132 encePairwiseOnDemand]: 328/358 looper letters, 300 selfloop transitions, 53 changer transitions 8/610 dead transitions. [2022-01-19 06:53:34,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 610 transitions, 4309 flow [2022-01-19 06:53:34,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-19 06:53:34,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2022-01-19 06:53:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 7521 transitions. [2022-01-19 06:53:34,840 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7002793296089386 [2022-01-19 06:53:34,840 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 7521 transitions. [2022-01-19 06:53:34,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 7521 transitions. [2022-01-19 06:53:34,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:53:34,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 7521 transitions. [2022-01-19 06:53:34,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 250.7) internal successors, (7521), 30 states have internal predecessors, (7521), 0 states have call successors, (0), 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 06:53:34,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 358.0) internal successors, (11098), 31 states have internal predecessors, (11098), 0 states have call successors, (0), 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 06:53:34,854 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 358.0) internal successors, (11098), 31 states have internal predecessors, (11098), 0 states have call successors, (0), 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 06:53:34,854 INFO L186 Difference]: Start difference. First operand has 449 places, 439 transitions, 2570 flow. Second operand 30 states and 7521 transitions. [2022-01-19 06:53:34,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 610 transitions, 4309 flow [2022-01-19 06:53:34,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 610 transitions, 4129 flow, removed 52 selfloop flow, removed 29 redundant places. [2022-01-19 06:53:34,960 INFO L242 Difference]: Finished difference. Result has 449 places, 458 transitions, 2753 flow [2022-01-19 06:53:34,960 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=2450, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2753, PETRI_PLACES=449, PETRI_TRANSITIONS=458} [2022-01-19 06:53:34,960 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 124 predicate places. [2022-01-19 06:53:34,960 INFO L470 AbstractCegarLoop]: Abstraction has has 449 places, 458 transitions, 2753 flow [2022-01-19 06:53:34,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 246.11111111111111) internal successors, (4430), 18 states have internal predecessors, (4430), 0 states have call successors, (0), 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 06:53:34,961 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:53:34,961 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] [2022-01-19 06:53:34,982 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 06:53:35,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:53:35,179 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 06:53:35,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:53:35,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1597173797, now seen corresponding path program 2 times [2022-01-19 06:53:35,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:53:35,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011100508] [2022-01-19 06:53:35,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:53:35,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:53:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:53:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:53:35,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:53:35,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011100508] [2022-01-19 06:53:35,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011100508] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:53:35,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16171728] [2022-01-19 06:53:35,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 06:53:35,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:53:35,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:53:35,406 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 06:53:35,407 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 06:53:35,627 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-19 06:53:35,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 06:53:35,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-19 06:53:35,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:53:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 06:53:35,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 06:53:35,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16171728] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:53:35,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 06:53:35,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 25 [2022-01-19 06:53:35,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714208854] [2022-01-19 06:53:35,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:53:35,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 06:53:35,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:53:35,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 06:53:35,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2022-01-19 06:53:35,976 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 358 [2022-01-19 06:53:35,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 458 transitions, 2753 flow. Second operand has 10 states, 10 states have (on average 272.6) internal successors, (2726), 10 states have internal predecessors, (2726), 0 states have call successors, (0), 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 06:53:35,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:53:35,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 358 [2022-01-19 06:53:35,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:53:41,717 INFO L129 PetriNetUnfolder]: 4973/37529 cut-off events. [2022-01-19 06:53:41,717 INFO L130 PetriNetUnfolder]: For 75049/83906 co-relation queries the response was YES. [2022-01-19 06:53:42,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62239 conditions, 37529 events. 4973/37529 cut-off events. For 75049/83906 co-relation queries the response was YES. Maximal size of possible extension queue 857. Compared 554101 event pairs, 853 based on Foata normal form. 377/33152 useless extension candidates. Maximal degree in co-relation 62182. Up to 3408 conditions per place. [2022-01-19 06:53:42,115 INFO L132 encePairwiseOnDemand]: 345/358 looper letters, 178 selfloop transitions, 63 changer transitions 8/535 dead transitions. [2022-01-19 06:53:42,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 535 transitions, 3860 flow [2022-01-19 06:53:42,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 06:53:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 06:53:42,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3061 transitions. [2022-01-19 06:53:42,118 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7772981208735399 [2022-01-19 06:53:42,118 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3061 transitions. [2022-01-19 06:53:42,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3061 transitions. [2022-01-19 06:53:42,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:53:42,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3061 transitions. [2022-01-19 06:53:42,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 278.27272727272725) internal successors, (3061), 11 states have internal predecessors, (3061), 0 states have call successors, (0), 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 06:53:42,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 358.0) internal successors, (4296), 12 states have internal predecessors, (4296), 0 states have call successors, (0), 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 06:53:42,123 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 358.0) internal successors, (4296), 12 states have internal predecessors, (4296), 0 states have call successors, (0), 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 06:53:42,123 INFO L186 Difference]: Start difference. First operand has 449 places, 458 transitions, 2753 flow. Second operand 11 states and 3061 transitions. [2022-01-19 06:53:42,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 535 transitions, 3860 flow [2022-01-19 06:53:42,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 535 transitions, 3701 flow, removed 61 selfloop flow, removed 17 redundant places. [2022-01-19 06:53:42,231 INFO L242 Difference]: Finished difference. Result has 449 places, 474 transitions, 3130 flow [2022-01-19 06:53:42,232 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=2648, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3130, PETRI_PLACES=449, PETRI_TRANSITIONS=474} [2022-01-19 06:53:42,232 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 124 predicate places. [2022-01-19 06:53:42,232 INFO L470 AbstractCegarLoop]: Abstraction has has 449 places, 474 transitions, 3130 flow [2022-01-19 06:53:42,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 272.6) internal successors, (2726), 10 states have internal predecessors, (2726), 0 states have call successors, (0), 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 06:53:42,232 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:53:42,233 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] [2022-01-19 06:53:42,249 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 06:53:42,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-01-19 06:53:42,436 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 06:53:42,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:53:42,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1596744787, now seen corresponding path program 3 times [2022-01-19 06:53:42,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:53:42,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715301948] [2022-01-19 06:53:42,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:53:42,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:53:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:53:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:53:42,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:53:42,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715301948] [2022-01-19 06:53:42,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715301948] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:53:42,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845621191] [2022-01-19 06:53:42,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-19 06:53:42,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:53:42,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:53:42,663 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 06:53:42,664 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 06:53:42,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-19 06:53:42,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 06:53:42,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-19 06:53:42,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:53:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 06:53:43,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 06:53:43,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845621191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:53:43,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 06:53:43,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 25 [2022-01-19 06:53:43,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983277571] [2022-01-19 06:53:43,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:53:43,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 06:53:43,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:53:43,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 06:53:43,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2022-01-19 06:53:43,103 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 358 [2022-01-19 06:53:43,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 474 transitions, 3130 flow. Second operand has 10 states, 10 states have (on average 272.6) internal successors, (2726), 10 states have internal predecessors, (2726), 0 states have call successors, (0), 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 06:53:43,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:53:43,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 358 [2022-01-19 06:53:43,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:53:49,720 INFO L129 PetriNetUnfolder]: 5433/40867 cut-off events. [2022-01-19 06:53:49,720 INFO L130 PetriNetUnfolder]: For 99716/108849 co-relation queries the response was YES. [2022-01-19 06:53:49,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70126 conditions, 40867 events. 5433/40867 cut-off events. For 99716/108849 co-relation queries the response was YES. Maximal size of possible extension queue 939. Compared 612661 event pairs, 919 based on Foata normal form. 522/36188 useless extension candidates. Maximal degree in co-relation 70064. Up to 3339 conditions per place. [2022-01-19 06:53:50,090 INFO L132 encePairwiseOnDemand]: 345/358 looper letters, 167 selfloop transitions, 77 changer transitions 8/538 dead transitions. [2022-01-19 06:53:50,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 538 transitions, 4099 flow [2022-01-19 06:53:50,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 06:53:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 06:53:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3059 transitions. [2022-01-19 06:53:50,092 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.776790248857288 [2022-01-19 06:53:50,092 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3059 transitions. [2022-01-19 06:53:50,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3059 transitions. [2022-01-19 06:53:50,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:53:50,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3059 transitions. [2022-01-19 06:53:50,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 278.09090909090907) internal successors, (3059), 11 states have internal predecessors, (3059), 0 states have call successors, (0), 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 06:53:50,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 358.0) internal successors, (4296), 12 states have internal predecessors, (4296), 0 states have call successors, (0), 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 06:53:50,098 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 358.0) internal successors, (4296), 12 states have internal predecessors, (4296), 0 states have call successors, (0), 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 06:53:50,098 INFO L186 Difference]: Start difference. First operand has 449 places, 474 transitions, 3130 flow. Second operand 11 states and 3059 transitions. [2022-01-19 06:53:50,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 538 transitions, 4099 flow [2022-01-19 06:53:50,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 538 transitions, 3989 flow, removed 55 selfloop flow, removed 6 redundant places. [2022-01-19 06:53:50,277 INFO L242 Difference]: Finished difference. Result has 456 places, 488 transitions, 3604 flow [2022-01-19 06:53:50,278 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=3054, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3604, PETRI_PLACES=456, PETRI_TRANSITIONS=488} [2022-01-19 06:53:50,278 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 131 predicate places. [2022-01-19 06:53:50,278 INFO L470 AbstractCegarLoop]: Abstraction has has 456 places, 488 transitions, 3604 flow [2022-01-19 06:53:50,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 272.6) internal successors, (2726), 10 states have internal predecessors, (2726), 0 states have call successors, (0), 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 06:53:50,279 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:53:50,281 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 06:53:50,299 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 06:53:50,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:53:50,484 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 06:53:50,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:53:50,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1785468051, now seen corresponding path program 1 times [2022-01-19 06:53:50,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:53:50,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537463001] [2022-01-19 06:53:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:53:50,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:53:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:53:50,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:53:50,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:53:50,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537463001] [2022-01-19 06:53:50,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537463001] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:53:50,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518715769] [2022-01-19 06:53:50,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:53:50,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:53:50,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:53:50,628 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 06:53:50,702 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 06:53:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:53:50,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-19 06:53:50,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:53:51,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:53:51,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 06:53:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:53:51,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518715769] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 06:53:51,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 06:53:51,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14, 13] total 26 [2022-01-19 06:53:51,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730226795] [2022-01-19 06:53:51,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:53:51,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-19 06:53:51,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:53:51,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-19 06:53:51,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2022-01-19 06:53:51,654 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 358 [2022-01-19 06:53:51,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 488 transitions, 3604 flow. Second operand has 13 states, 13 states have (on average 251.46153846153845) internal successors, (3269), 13 states have internal predecessors, (3269), 0 states have call successors, (0), 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 06:53:51,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:53:51,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 358 [2022-01-19 06:53:51,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:54:00,058 INFO L129 PetriNetUnfolder]: 6405/54007 cut-off events. [2022-01-19 06:54:00,058 INFO L130 PetriNetUnfolder]: For 114187/118626 co-relation queries the response was YES. [2022-01-19 06:54:00,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88338 conditions, 54007 events. 6405/54007 cut-off events. For 114187/118626 co-relation queries the response was YES. Maximal size of possible extension queue 1191. Compared 855873 event pairs, 3563 based on Foata normal form. 163/47868 useless extension candidates. Maximal degree in co-relation 88272. Up to 4358 conditions per place. [2022-01-19 06:54:00,917 INFO L132 encePairwiseOnDemand]: 336/358 looper letters, 267 selfloop transitions, 60 changer transitions 4/624 dead transitions. [2022-01-19 06:54:00,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 624 transitions, 5332 flow [2022-01-19 06:54:00,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 06:54:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 06:54:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4632 transitions. [2022-01-19 06:54:00,920 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7188081936685289 [2022-01-19 06:54:00,920 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 4632 transitions. [2022-01-19 06:54:00,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 4632 transitions. [2022-01-19 06:54:00,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:54:00,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 4632 transitions. [2022-01-19 06:54:00,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 257.3333333333333) internal successors, (4632), 18 states have internal predecessors, (4632), 0 states have call successors, (0), 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 06:54:00,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 358.0) internal successors, (6802), 19 states have internal predecessors, (6802), 0 states have call successors, (0), 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 06:54:00,928 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 358.0) internal successors, (6802), 19 states have internal predecessors, (6802), 0 states have call successors, (0), 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 06:54:00,929 INFO L186 Difference]: Start difference. First operand has 456 places, 488 transitions, 3604 flow. Second operand 18 states and 4632 transitions. [2022-01-19 06:54:00,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 624 transitions, 5332 flow [2022-01-19 06:54:01,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 624 transitions, 5226 flow, removed 53 selfloop flow, removed 6 redundant places. [2022-01-19 06:54:01,279 INFO L242 Difference]: Finished difference. Result has 470 places, 515 transitions, 4116 flow [2022-01-19 06:54:01,280 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=3530, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4116, PETRI_PLACES=470, PETRI_TRANSITIONS=515} [2022-01-19 06:54:01,280 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 145 predicate places. [2022-01-19 06:54:01,281 INFO L470 AbstractCegarLoop]: Abstraction has has 470 places, 515 transitions, 4116 flow [2022-01-19 06:54:01,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 251.46153846153845) internal successors, (3269), 13 states have internal predecessors, (3269), 0 states have call successors, (0), 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 06:54:01,281 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:54:01,281 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 06:54:01,299 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 06:54:01,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:54:01,484 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 06:54:01,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:54:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1613279310, now seen corresponding path program 1 times [2022-01-19 06:54:01,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:54:01,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063547947] [2022-01-19 06:54:01,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:54:01,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:54:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:54:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:54:01,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:54:01,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063547947] [2022-01-19 06:54:01,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063547947] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:54:01,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147059125] [2022-01-19 06:54:01,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:54:01,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:54:01,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:54:01,597 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 06:54:01,598 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 06:54:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:54:01,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-19 06:54:01,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:54:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:54:02,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 06:54:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:54:02,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147059125] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 06:54:02,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 06:54:02,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14, 13] total 26 [2022-01-19 06:54:02,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850369024] [2022-01-19 06:54:02,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:54:02,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-19 06:54:02,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:54:02,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-19 06:54:02,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2022-01-19 06:54:02,523 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 358 [2022-01-19 06:54:02,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 515 transitions, 4116 flow. Second operand has 13 states, 13 states have (on average 251.46153846153845) internal successors, (3269), 13 states have internal predecessors, (3269), 0 states have call successors, (0), 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 06:54:02,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:54:02,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 358 [2022-01-19 06:54:02,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:54:11,137 INFO L129 PetriNetUnfolder]: 6413/54123 cut-off events. [2022-01-19 06:54:11,137 INFO L130 PetriNetUnfolder]: For 119038/123020 co-relation queries the response was YES. [2022-01-19 06:54:11,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88637 conditions, 54123 events. 6413/54123 cut-off events. For 119038/123020 co-relation queries the response was YES. Maximal size of possible extension queue 1184. Compared 856905 event pairs, 3581 based on Foata normal form. 151/47944 useless extension candidates. Maximal degree in co-relation 88567. Up to 4142 conditions per place. [2022-01-19 06:54:11,763 INFO L132 encePairwiseOnDemand]: 333/358 looper letters, 276 selfloop transitions, 58 changer transitions 4/631 dead transitions. [2022-01-19 06:54:11,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 631 transitions, 5736 flow [2022-01-19 06:54:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-19 06:54:11,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-01-19 06:54:11,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 5124 transitions. [2022-01-19 06:54:11,766 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7156424581005587 [2022-01-19 06:54:11,766 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 5124 transitions. [2022-01-19 06:54:11,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 5124 transitions. [2022-01-19 06:54:11,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:54:11,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 5124 transitions. [2022-01-19 06:54:11,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 256.2) internal successors, (5124), 20 states have internal predecessors, (5124), 0 states have call successors, (0), 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 06:54:11,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 358.0) internal successors, (7518), 21 states have internal predecessors, (7518), 0 states have call successors, (0), 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 06:54:11,780 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 358.0) internal successors, (7518), 21 states have internal predecessors, (7518), 0 states have call successors, (0), 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 06:54:11,780 INFO L186 Difference]: Start difference. First operand has 470 places, 515 transitions, 4116 flow. Second operand 20 states and 5124 transitions. [2022-01-19 06:54:11,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 487 places, 631 transitions, 5736 flow [2022-01-19 06:54:12,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 631 transitions, 5671 flow, removed 21 selfloop flow, removed 9 redundant places. [2022-01-19 06:54:12,010 INFO L242 Difference]: Finished difference. Result has 482 places, 533 transitions, 4566 flow [2022-01-19 06:54:12,010 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=4061, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4566, PETRI_PLACES=482, PETRI_TRANSITIONS=533} [2022-01-19 06:54:12,011 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 157 predicate places. [2022-01-19 06:54:12,011 INFO L470 AbstractCegarLoop]: Abstraction has has 482 places, 533 transitions, 4566 flow [2022-01-19 06:54:12,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 251.46153846153845) internal successors, (3269), 13 states have internal predecessors, (3269), 0 states have call successors, (0), 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 06:54:12,011 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:54:12,011 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] [2022-01-19 06:54:12,027 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 06:54:12,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-01-19 06:54:12,212 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 06:54:12,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:54:12,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1957677664, now seen corresponding path program 1 times [2022-01-19 06:54:12,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:54:12,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210554348] [2022-01-19 06:54:12,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:54:12,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:54:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:54:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:54:12,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:54:12,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210554348] [2022-01-19 06:54:12,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210554348] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:54:12,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309506416] [2022-01-19 06:54:12,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:54:12,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:54:12,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:54:12,329 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 06:54:12,330 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 06:54:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:54:12,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-19 06:54:12,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:54:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:54:12,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 06:54:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:54:13,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309506416] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 06:54:13,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 06:54:13,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 23 [2022-01-19 06:54:13,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565122636] [2022-01-19 06:54:13,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:54:13,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 06:54:13,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:54:13,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 06:54:13,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2022-01-19 06:54:13,398 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 358 [2022-01-19 06:54:13,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 533 transitions, 4566 flow. Second operand has 11 states, 11 states have (on average 279.45454545454544) internal successors, (3074), 11 states have internal predecessors, (3074), 0 states have call successors, (0), 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 06:54:13,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:54:13,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 358 [2022-01-19 06:54:13,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:54:26,399 INFO L129 PetriNetUnfolder]: 12213/81079 cut-off events. [2022-01-19 06:54:26,399 INFO L130 PetriNetUnfolder]: For 167077/168030 co-relation queries the response was YES. [2022-01-19 06:54:27,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135260 conditions, 81079 events. 12213/81079 cut-off events. For 167077/168030 co-relation queries the response was YES. Maximal size of possible extension queue 1779. Compared 1345660 event pairs, 4907 based on Foata normal form. 115/71510 useless extension candidates. Maximal degree in co-relation 135189. Up to 4929 conditions per place. [2022-01-19 06:54:27,886 INFO L132 encePairwiseOnDemand]: 340/358 looper letters, 277 selfloop transitions, 32 changer transitions 1/683 dead transitions. [2022-01-19 06:54:27,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 683 transitions, 6675 flow [2022-01-19 06:54:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-19 06:54:27,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2022-01-19 06:54:27,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 5406 transitions. [2022-01-19 06:54:27,889 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7947662452219936 [2022-01-19 06:54:27,889 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 5406 transitions. [2022-01-19 06:54:27,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 5406 transitions. [2022-01-19 06:54:27,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:54:27,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 5406 transitions. [2022-01-19 06:54:27,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 284.5263157894737) internal successors, (5406), 19 states have internal predecessors, (5406), 0 states have call successors, (0), 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 06:54:27,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 358.0) internal successors, (7160), 20 states have internal predecessors, (7160), 0 states have call successors, (0), 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 06:54:27,898 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 358.0) internal successors, (7160), 20 states have internal predecessors, (7160), 0 states have call successors, (0), 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 06:54:27,898 INFO L186 Difference]: Start difference. First operand has 482 places, 533 transitions, 4566 flow. Second operand 19 states and 5406 transitions. [2022-01-19 06:54:27,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 683 transitions, 6675 flow [2022-01-19 06:54:28,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 683 transitions, 6588 flow, removed 11 selfloop flow, removed 14 redundant places. [2022-01-19 06:54:28,305 INFO L242 Difference]: Finished difference. Result has 487 places, 541 transitions, 4595 flow [2022-01-19 06:54:28,305 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=4483, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4595, PETRI_PLACES=487, PETRI_TRANSITIONS=541} [2022-01-19 06:54:28,305 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 162 predicate places. [2022-01-19 06:54:28,306 INFO L470 AbstractCegarLoop]: Abstraction has has 487 places, 541 transitions, 4595 flow [2022-01-19 06:54:28,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 279.45454545454544) internal successors, (3074), 11 states have internal predecessors, (3074), 0 states have call successors, (0), 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 06:54:28,306 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:54:28,306 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] [2022-01-19 06:54:28,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-19 06:54:28,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:54:28,515 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 06:54:28,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:54:28,516 INFO L85 PathProgramCache]: Analyzing trace with hash -612424583, now seen corresponding path program 1 times [2022-01-19 06:54:28,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:54:28,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844594795] [2022-01-19 06:54:28,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:54:28,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:54:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:54:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 06:54:28,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:54:28,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844594795] [2022-01-19 06:54:28,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844594795] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:54:28,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176130721] [2022-01-19 06:54:28,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:54:28,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:54:28,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:54:28,788 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 06:54:28,789 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 06:54:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:54:28,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 19 conjunts are in the unsatisfiable core [2022-01-19 06:54:28,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:54:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 06:54:29,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 06:54:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 06:54:30,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176130721] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 06:54:30,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 06:54:30,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [20, 18] total 37 [2022-01-19 06:54:30,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525414249] [2022-01-19 06:54:30,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:54:30,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-01-19 06:54:30,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:54:30,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-01-19 06:54:30,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1146, Unknown=0, NotChecked=0, Total=1332 [2022-01-19 06:54:30,506 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 358 [2022-01-19 06:54:30,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 541 transitions, 4595 flow. Second operand has 18 states, 18 states have (on average 246.38888888888889) internal successors, (4435), 18 states have internal predecessors, (4435), 0 states have call successors, (0), 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 06:54:30,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:54:30,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 358 [2022-01-19 06:54:30,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:54:40,269 INFO L129 PetriNetUnfolder]: 7042/54778 cut-off events. [2022-01-19 06:54:40,270 INFO L130 PetriNetUnfolder]: For 150332/157080 co-relation queries the response was YES. [2022-01-19 06:54:41,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96277 conditions, 54778 events. 7042/54778 cut-off events. For 150332/157080 co-relation queries the response was YES. Maximal size of possible extension queue 1149. Compared 857854 event pairs, 3666 based on Foata normal form. 198/48675 useless extension candidates. Maximal degree in co-relation 96205. Up to 4876 conditions per place. [2022-01-19 06:54:41,147 INFO L132 encePairwiseOnDemand]: 331/358 looper letters, 365 selfloop transitions, 72 changer transitions 8/730 dead transitions. [2022-01-19 06:54:41,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 730 transitions, 7123 flow [2022-01-19 06:54:41,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-19 06:54:41,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2022-01-19 06:54:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 6795 transitions. [2022-01-19 06:54:41,151 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7029795158286778 [2022-01-19 06:54:41,151 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 6795 transitions. [2022-01-19 06:54:41,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 6795 transitions. [2022-01-19 06:54:41,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:54:41,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 6795 transitions. [2022-01-19 06:54:41,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 251.66666666666666) internal successors, (6795), 27 states have internal predecessors, (6795), 0 states have call successors, (0), 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 06:54:41,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 358.0) internal successors, (10024), 28 states have internal predecessors, (10024), 0 states have call successors, (0), 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 06:54:41,162 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 358.0) internal successors, (10024), 28 states have internal predecessors, (10024), 0 states have call successors, (0), 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 06:54:41,163 INFO L186 Difference]: Start difference. First operand has 487 places, 541 transitions, 4595 flow. Second operand 27 states and 6795 transitions. [2022-01-19 06:54:41,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 730 transitions, 7123 flow [2022-01-19 06:54:41,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 730 transitions, 7065 flow, removed 5 selfloop flow, removed 13 redundant places. [2022-01-19 06:54:41,475 INFO L242 Difference]: Finished difference. Result has 507 places, 564 transitions, 5180 flow [2022-01-19 06:54:41,476 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=4537, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=5180, PETRI_PLACES=507, PETRI_TRANSITIONS=564} [2022-01-19 06:54:41,477 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 182 predicate places. [2022-01-19 06:54:41,477 INFO L470 AbstractCegarLoop]: Abstraction has has 507 places, 564 transitions, 5180 flow [2022-01-19 06:54:41,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 246.38888888888889) internal successors, (4435), 18 states have internal predecessors, (4435), 0 states have call successors, (0), 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 06:54:41,478 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:54:41,478 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] [2022-01-19 06:54:41,496 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 06:54:41,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:54:41,687 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 06:54:41,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:54:41,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1367117087, now seen corresponding path program 1 times [2022-01-19 06:54:41,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:54:41,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403910217] [2022-01-19 06:54:41,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:54:41,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:54:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:54:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 06:54:41,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:54:41,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403910217] [2022-01-19 06:54:41,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403910217] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:54:41,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211020586] [2022-01-19 06:54:41,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:54:41,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:54:41,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:54:41,816 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 06:54:41,817 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 06:54:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:54:41,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-19 06:54:41,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:54:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 06:54:42,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 06:54:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 06:54:42,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211020586] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 06:54:42,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 06:54:42,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 23 [2022-01-19 06:54:42,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421773027] [2022-01-19 06:54:42,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:54:42,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 06:54:42,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:54:42,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 06:54:42,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2022-01-19 06:54:42,800 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 358 [2022-01-19 06:54:42,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 564 transitions, 5180 flow. Second operand has 11 states, 11 states have (on average 279.90909090909093) internal successors, (3079), 11 states have internal predecessors, (3079), 0 states have call successors, (0), 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 06:54:42,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:54:42,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 358 [2022-01-19 06:54:42,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:54:57,603 INFO L129 PetriNetUnfolder]: 14749/88667 cut-off events. [2022-01-19 06:54:57,604 INFO L130 PetriNetUnfolder]: For 216166/217772 co-relation queries the response was YES. [2022-01-19 06:54:59,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157361 conditions, 88667 events. 14749/88667 cut-off events. For 216166/217772 co-relation queries the response was YES. Maximal size of possible extension queue 2015. Compared 1464188 event pairs, 4959 based on Foata normal form. 261/79842 useless extension candidates. Maximal degree in co-relation 157285. Up to 6360 conditions per place. [2022-01-19 06:54:59,306 INFO L132 encePairwiseOnDemand]: 340/358 looper letters, 275 selfloop transitions, 36 changer transitions 0/699 dead transitions. [2022-01-19 06:54:59,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 699 transitions, 7262 flow [2022-01-19 06:54:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 06:54:59,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 06:54:59,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5116 transitions. [2022-01-19 06:54:59,309 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7939168218497827 [2022-01-19 06:54:59,309 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 5116 transitions. [2022-01-19 06:54:59,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 5116 transitions. [2022-01-19 06:54:59,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:54:59,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5116 transitions. [2022-01-19 06:54:59,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 284.22222222222223) internal successors, (5116), 18 states have internal predecessors, (5116), 0 states have call successors, (0), 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 06:54:59,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 358.0) internal successors, (6802), 19 states have internal predecessors, (6802), 0 states have call successors, (0), 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 06:54:59,317 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 358.0) internal successors, (6802), 19 states have internal predecessors, (6802), 0 states have call successors, (0), 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 06:54:59,317 INFO L186 Difference]: Start difference. First operand has 507 places, 564 transitions, 5180 flow. Second operand 18 states and 5116 transitions. [2022-01-19 06:54:59,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 699 transitions, 7262 flow [2022-01-19 06:55:00,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 699 transitions, 7076 flow, removed 54 selfloop flow, removed 18 redundant places. [2022-01-19 06:55:00,236 INFO L242 Difference]: Finished difference. Result has 507 places, 571 transitions, 5126 flow [2022-01-19 06:55:00,236 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=5012, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=5126, PETRI_PLACES=507, PETRI_TRANSITIONS=571} [2022-01-19 06:55:00,237 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 182 predicate places. [2022-01-19 06:55:00,237 INFO L470 AbstractCegarLoop]: Abstraction has has 507 places, 571 transitions, 5126 flow [2022-01-19 06:55:00,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 279.90909090909093) internal successors, (3079), 11 states have internal predecessors, (3079), 0 states have call successors, (0), 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 06:55:00,237 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:55:00,237 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] [2022-01-19 06:55:00,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-19 06:55:00,439 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,SelfDestructingSolverStorable14 [2022-01-19 06:55:00,441 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 06:55:00,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:55:00,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1933024782, now seen corresponding path program 1 times [2022-01-19 06:55:00,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:55:00,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686736489] [2022-01-19 06:55:00,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:55:00,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:55:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:55:00,493 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 06:55:00,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:55:00,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686736489] [2022-01-19 06:55:00,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686736489] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:55:00,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:55:00,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 06:55:00,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126834106] [2022-01-19 06:55:00,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:55:00,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 06:55:00,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:55:00,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 06:55:00,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-19 06:55:00,496 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 358 [2022-01-19 06:55:00,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 571 transitions, 5126 flow. Second operand has 7 states, 7 states have (on average 285.85714285714283) internal successors, (2001), 7 states have internal predecessors, (2001), 0 states have call successors, (0), 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 06:55:00,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:55:00,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 358 [2022-01-19 06:55:00,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:55:05,467 INFO L129 PetriNetUnfolder]: 2770/28256 cut-off events. [2022-01-19 06:55:05,467 INFO L130 PetriNetUnfolder]: For 66339/67765 co-relation queries the response was YES. [2022-01-19 06:55:06,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49978 conditions, 28256 events. 2770/28256 cut-off events. For 66339/67765 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 407549 event pairs, 1401 based on Foata normal form. 295/26372 useless extension candidates. Maximal degree in co-relation 49901. Up to 2999 conditions per place. [2022-01-19 06:55:06,079 INFO L132 encePairwiseOnDemand]: 347/358 looper letters, 151 selfloop transitions, 12 changer transitions 55/581 dead transitions. [2022-01-19 06:55:06,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 581 transitions, 5307 flow [2022-01-19 06:55:06,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 06:55:06,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 06:55:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2904 transitions. [2022-01-19 06:55:06,081 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8111731843575419 [2022-01-19 06:55:06,081 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2904 transitions. [2022-01-19 06:55:06,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2904 transitions. [2022-01-19 06:55:06,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:55:06,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2904 transitions. [2022-01-19 06:55:06,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 290.4) internal successors, (2904), 10 states have internal predecessors, (2904), 0 states have call successors, (0), 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 06:55:06,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 358.0) internal successors, (3938), 11 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 06:55:06,086 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 358.0) internal successors, (3938), 11 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 06:55:06,086 INFO L186 Difference]: Start difference. First operand has 507 places, 571 transitions, 5126 flow. Second operand 10 states and 2904 transitions. [2022-01-19 06:55:06,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 581 transitions, 5307 flow [2022-01-19 06:55:06,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 581 transitions, 5196 flow, removed 29 selfloop flow, removed 12 redundant places. [2022-01-19 06:55:06,256 INFO L242 Difference]: Finished difference. Result has 504 places, 499 transitions, 3800 flow [2022-01-19 06:55:06,257 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=4471, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3800, PETRI_PLACES=504, PETRI_TRANSITIONS=499} [2022-01-19 06:55:06,257 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 179 predicate places. [2022-01-19 06:55:06,257 INFO L470 AbstractCegarLoop]: Abstraction has has 504 places, 499 transitions, 3800 flow [2022-01-19 06:55:06,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 285.85714285714283) internal successors, (2001), 7 states have internal predecessors, (2001), 0 states have call successors, (0), 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 06:55:06,258 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:55:06,258 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] [2022-01-19 06:55:06,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-19 06:55:06,258 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 06:55:06,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:55:06,258 INFO L85 PathProgramCache]: Analyzing trace with hash -2045960442, now seen corresponding path program 1 times [2022-01-19 06:55:06,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:55:06,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975602104] [2022-01-19 06:55:06,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:55:06,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:55:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:55:06,312 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 06:55:06,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:55:06,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975602104] [2022-01-19 06:55:06,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975602104] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:55:06,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:55:06,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 06:55:06,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135992345] [2022-01-19 06:55:06,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:55:06,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 06:55:06,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:55:06,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 06:55:06,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-19 06:55:06,315 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 358 [2022-01-19 06:55:06,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 499 transitions, 3800 flow. Second operand has 7 states, 7 states have (on average 285.85714285714283) internal successors, (2001), 7 states have internal predecessors, (2001), 0 states have call successors, (0), 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 06:55:06,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:55:06,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 358 [2022-01-19 06:55:06,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:55:09,616 INFO L129 PetriNetUnfolder]: 2450/18423 cut-off events. [2022-01-19 06:55:09,616 INFO L130 PetriNetUnfolder]: For 45859/46857 co-relation queries the response was YES. [2022-01-19 06:55:09,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34734 conditions, 18423 events. 2450/18423 cut-off events. For 45859/46857 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 236836 event pairs, 1565 based on Foata normal form. 156/17041 useless extension candidates. Maximal degree in co-relation 34659. Up to 3582 conditions per place. [2022-01-19 06:55:10,047 INFO L132 encePairwiseOnDemand]: 347/358 looper letters, 149 selfloop transitions, 12 changer transitions 0/507 dead transitions. [2022-01-19 06:55:10,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 507 transitions, 4025 flow [2022-01-19 06:55:10,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 06:55:10,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 06:55:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2898 transitions. [2022-01-19 06:55:10,050 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8094972067039106 [2022-01-19 06:55:10,051 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2898 transitions. [2022-01-19 06:55:10,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2898 transitions. [2022-01-19 06:55:10,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:55:10,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2898 transitions. [2022-01-19 06:55:10,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 289.8) internal successors, (2898), 10 states have internal predecessors, (2898), 0 states have call successors, (0), 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 06:55:10,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 358.0) internal successors, (3938), 11 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 06:55:10,057 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 358.0) internal successors, (3938), 11 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 06:55:10,057 INFO L186 Difference]: Start difference. First operand has 504 places, 499 transitions, 3800 flow. Second operand 10 states and 2898 transitions. [2022-01-19 06:55:10,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 507 transitions, 4025 flow [2022-01-19 06:55:10,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 507 transitions, 3847 flow, removed 27 selfloop flow, removed 36 redundant places. [2022-01-19 06:55:10,149 INFO L242 Difference]: Finished difference. Result has 472 places, 481 transitions, 3384 flow [2022-01-19 06:55:10,150 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=3350, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3384, PETRI_PLACES=472, PETRI_TRANSITIONS=481} [2022-01-19 06:55:10,150 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 147 predicate places. [2022-01-19 06:55:10,150 INFO L470 AbstractCegarLoop]: Abstraction has has 472 places, 481 transitions, 3384 flow [2022-01-19 06:55:10,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 285.85714285714283) internal successors, (2001), 7 states have internal predecessors, (2001), 0 states have call successors, (0), 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 06:55:10,150 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:55:10,151 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] [2022-01-19 06:55:10,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-19 06:55:10,151 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 06:55:10,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:55:10,151 INFO L85 PathProgramCache]: Analyzing trace with hash 624382790, now seen corresponding path program 1 times [2022-01-19 06:55:10,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:55:10,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514624800] [2022-01-19 06:55:10,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:55:10,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:55:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:55:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:55:10,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:55:10,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514624800] [2022-01-19 06:55:10,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514624800] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:55:10,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:55:10,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 06:55:10,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300488921] [2022-01-19 06:55:10,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:55:10,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 06:55:10,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:55:10,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 06:55:10,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-19 06:55:10,216 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 358 [2022-01-19 06:55:10,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 481 transitions, 3384 flow. Second operand has 7 states, 7 states have (on average 285.85714285714283) internal successors, (2001), 7 states have internal predecessors, (2001), 0 states have call successors, (0), 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 06:55:10,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:55:10,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 358 [2022-01-19 06:55:10,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:55:12,357 INFO L129 PetriNetUnfolder]: 1656/12959 cut-off events. [2022-01-19 06:55:12,357 INFO L130 PetriNetUnfolder]: For 31679/32724 co-relation queries the response was YES. [2022-01-19 06:55:12,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24036 conditions, 12959 events. 1656/12959 cut-off events. For 31679/32724 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 156251 event pairs, 912 based on Foata normal form. 91/11894 useless extension candidates. Maximal degree in co-relation 23972. Up to 1959 conditions per place. [2022-01-19 06:55:12,515 INFO L132 encePairwiseOnDemand]: 347/358 looper letters, 105 selfloop transitions, 12 changer transitions 51/497 dead transitions. [2022-01-19 06:55:12,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 497 transitions, 3659 flow [2022-01-19 06:55:12,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 06:55:12,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 06:55:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2892 transitions. [2022-01-19 06:55:12,517 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8078212290502793 [2022-01-19 06:55:12,517 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2892 transitions. [2022-01-19 06:55:12,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2892 transitions. [2022-01-19 06:55:12,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:55:12,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2892 transitions. [2022-01-19 06:55:12,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 289.2) internal successors, (2892), 10 states have internal predecessors, (2892), 0 states have call successors, (0), 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 06:55:12,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 358.0) internal successors, (3938), 11 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 06:55:12,521 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 358.0) internal successors, (3938), 11 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 06:55:12,521 INFO L186 Difference]: Start difference. First operand has 472 places, 481 transitions, 3384 flow. Second operand 10 states and 2892 transitions. [2022-01-19 06:55:12,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 497 transitions, 3659 flow [2022-01-19 06:55:12,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 497 transitions, 3598 flow, removed 21 selfloop flow, removed 7 redundant places. [2022-01-19 06:55:12,584 INFO L242 Difference]: Finished difference. Result has 477 places, 423 transitions, 2542 flow [2022-01-19 06:55:12,584 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=3053, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2542, PETRI_PLACES=477, PETRI_TRANSITIONS=423} [2022-01-19 06:55:12,585 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 152 predicate places. [2022-01-19 06:55:12,585 INFO L470 AbstractCegarLoop]: Abstraction has has 477 places, 423 transitions, 2542 flow [2022-01-19 06:55:12,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 285.85714285714283) internal successors, (2001), 7 states have internal predecessors, (2001), 0 states have call successors, (0), 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 06:55:12,585 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:55:12,585 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] [2022-01-19 06:55:12,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-19 06:55:12,585 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 06:55:12,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:55:12,586 INFO L85 PathProgramCache]: Analyzing trace with hash 173630418, now seen corresponding path program 1 times [2022-01-19 06:55:12,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:55:12,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159250816] [2022-01-19 06:55:12,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:55:12,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:55:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:55:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-19 06:55:12,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:55:12,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159250816] [2022-01-19 06:55:12,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159250816] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:55:12,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619024297] [2022-01-19 06:55:12,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:55:12,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:55:12,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:55:12,780 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 06:55:12,781 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 06:55:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:55:12,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-19 06:55:12,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:55:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-19 06:55:13,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 06:55:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-19 06:55:13,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619024297] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 06:55:13,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 06:55:13,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11, 11] total 23 [2022-01-19 06:55:13,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379667378] [2022-01-19 06:55:13,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:55:13,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 06:55:13,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:55:13,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 06:55:13,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2022-01-19 06:55:13,773 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 358 [2022-01-19 06:55:13,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 423 transitions, 2542 flow. Second operand has 11 states, 11 states have (on average 280.0) internal successors, (3080), 11 states have internal predecessors, (3080), 0 states have call successors, (0), 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 06:55:13,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:55:13,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 358 [2022-01-19 06:55:13,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:55:18,371 INFO L129 PetriNetUnfolder]: 5173/29322 cut-off events. [2022-01-19 06:55:18,371 INFO L130 PetriNetUnfolder]: For 56818/57481 co-relation queries the response was YES. [2022-01-19 06:55:18,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54538 conditions, 29322 events. 5173/29322 cut-off events. For 56818/57481 co-relation queries the response was YES. Maximal size of possible extension queue 788. Compared 401700 event pairs, 2195 based on Foata normal form. 411/27318 useless extension candidates. Maximal degree in co-relation 54471. Up to 2273 conditions per place. [2022-01-19 06:55:18,721 INFO L132 encePairwiseOnDemand]: 341/358 looper letters, 167 selfloop transitions, 22 changer transitions 0/500 dead transitions. [2022-01-19 06:55:18,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 500 transitions, 3524 flow [2022-01-19 06:55:18,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 06:55:18,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 06:55:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5085 transitions. [2022-01-19 06:55:18,724 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7891061452513967 [2022-01-19 06:55:18,724 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 5085 transitions. [2022-01-19 06:55:18,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 5085 transitions. [2022-01-19 06:55:18,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:55:18,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5085 transitions. [2022-01-19 06:55:18,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 282.5) internal successors, (5085), 18 states have internal predecessors, (5085), 0 states have call successors, (0), 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 06:55:18,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 358.0) internal successors, (6802), 19 states have internal predecessors, (6802), 0 states have call successors, (0), 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 06:55:18,731 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 358.0) internal successors, (6802), 19 states have internal predecessors, (6802), 0 states have call successors, (0), 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 06:55:18,731 INFO L186 Difference]: Start difference. First operand has 477 places, 423 transitions, 2542 flow. Second operand 18 states and 5085 transitions. [2022-01-19 06:55:18,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 500 transitions, 3524 flow [2022-01-19 06:55:18,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 500 transitions, 3212 flow, removed 115 selfloop flow, removed 37 redundant places. [2022-01-19 06:55:18,807 INFO L242 Difference]: Finished difference. Result has 419 places, 427 transitions, 2381 flow [2022-01-19 06:55:18,807 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=2310, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2381, PETRI_PLACES=419, PETRI_TRANSITIONS=427} [2022-01-19 06:55:18,808 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 94 predicate places. [2022-01-19 06:55:18,808 INFO L470 AbstractCegarLoop]: Abstraction has has 419 places, 427 transitions, 2381 flow [2022-01-19 06:55:18,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 280.0) internal successors, (3080), 11 states have internal predecessors, (3080), 0 states have call successors, (0), 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 06:55:18,808 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:55:18,808 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] [2022-01-19 06:55:18,824 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 06:55:19,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:55:19,009 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 06:55:19,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:55:19,009 INFO L85 PathProgramCache]: Analyzing trace with hash -425690062, now seen corresponding path program 1 times [2022-01-19 06:55:19,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:55:19,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118720683] [2022-01-19 06:55:19,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:55:19,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:55:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:55:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 06:55:19,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:55:19,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118720683] [2022-01-19 06:55:19,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118720683] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:55:19,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 06:55:19,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 06:55:19,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742302424] [2022-01-19 06:55:19,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:55:19,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 06:55:19,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:55:19,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 06:55:19,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-19 06:55:19,057 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 358 [2022-01-19 06:55:19,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 427 transitions, 2381 flow. Second operand has 7 states, 7 states have (on average 286.42857142857144) internal successors, (2005), 7 states have internal predecessors, (2005), 0 states have call successors, (0), 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 06:55:19,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:55:19,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 358 [2022-01-19 06:55:19,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:55:21,051 INFO L129 PetriNetUnfolder]: 1210/12009 cut-off events. [2022-01-19 06:55:21,051 INFO L130 PetriNetUnfolder]: For 20328/21610 co-relation queries the response was YES. [2022-01-19 06:55:21,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21016 conditions, 12009 events. 1210/12009 cut-off events. For 20328/21610 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 146142 event pairs, 658 based on Foata normal form. 104/11230 useless extension candidates. Maximal degree in co-relation 20969. Up to 1496 conditions per place. [2022-01-19 06:55:21,162 INFO L132 encePairwiseOnDemand]: 347/358 looper letters, 70 selfloop transitions, 8 changer transitions 46/432 dead transitions. [2022-01-19 06:55:21,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 432 transitions, 2457 flow [2022-01-19 06:55:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 06:55:21,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 06:55:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2890 transitions. [2022-01-19 06:55:21,164 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8072625698324022 [2022-01-19 06:55:21,164 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2890 transitions. [2022-01-19 06:55:21,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2890 transitions. [2022-01-19 06:55:21,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:55:21,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2890 transitions. [2022-01-19 06:55:21,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 289.0) internal successors, (2890), 10 states have internal predecessors, (2890), 0 states have call successors, (0), 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 06:55:21,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 358.0) internal successors, (3938), 11 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 06:55:21,168 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 358.0) internal successors, (3938), 11 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 06:55:21,168 INFO L186 Difference]: Start difference. First operand has 419 places, 427 transitions, 2381 flow. Second operand 10 states and 2890 transitions. [2022-01-19 06:55:21,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 432 transitions, 2457 flow [2022-01-19 06:55:21,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 432 transitions, 2361 flow, removed 33 selfloop flow, removed 13 redundant places. [2022-01-19 06:55:21,195 INFO L242 Difference]: Finished difference. Result has 414 places, 384 transitions, 1734 flow [2022-01-19 06:55:21,196 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=2035, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1734, PETRI_PLACES=414, PETRI_TRANSITIONS=384} [2022-01-19 06:55:21,196 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 89 predicate places. [2022-01-19 06:55:21,196 INFO L470 AbstractCegarLoop]: Abstraction has has 414 places, 384 transitions, 1734 flow [2022-01-19 06:55:21,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 286.42857142857144) internal successors, (2005), 7 states have internal predecessors, (2005), 0 states have call successors, (0), 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 06:55:21,196 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:55:21,196 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, 1, 1] [2022-01-19 06:55:21,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-19 06:55:21,197 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 06:55:21,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:55:21,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1259361961, now seen corresponding path program 1 times [2022-01-19 06:55:21,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:55:21,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202997850] [2022-01-19 06:55:21,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:55:21,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:55:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:55:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:55:21,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:55:21,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202997850] [2022-01-19 06:55:21,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202997850] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:55:21,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043596577] [2022-01-19 06:55:21,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:55:21,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:55:21,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:55:21,453 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 06:55:21,454 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 06:55:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:55:21,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-19 06:55:21,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:55:21,779 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-19 06:55:21,780 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 20 [2022-01-19 06:55:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 06:55:22,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 06:55:22,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043596577] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:55:22,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 06:55:22,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [20] total 31 [2022-01-19 06:55:22,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703224862] [2022-01-19 06:55:22,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:55:22,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-19 06:55:22,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:55:22,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-19 06:55:22,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2022-01-19 06:55:22,007 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 358 [2022-01-19 06:55:22,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 384 transitions, 1734 flow. Second operand has 15 states, 15 states have (on average 242.13333333333333) internal successors, (3632), 15 states have internal predecessors, (3632), 0 states have call successors, (0), 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 06:55:22,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:55:22,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 358 [2022-01-19 06:55:22,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 06:55:46,383 INFO L129 PetriNetUnfolder]: 59333/187705 cut-off events. [2022-01-19 06:55:46,383 INFO L130 PetriNetUnfolder]: For 110512/112275 co-relation queries the response was YES. [2022-01-19 06:55:49,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315102 conditions, 187705 events. 59333/187705 cut-off events. For 110512/112275 co-relation queries the response was YES. Maximal size of possible extension queue 4576. Compared 2935359 event pairs, 21906 based on Foata normal form. 228/175688 useless extension candidates. Maximal degree in co-relation 315057. Up to 39916 conditions per place. [2022-01-19 06:55:49,597 INFO L132 encePairwiseOnDemand]: 338/358 looper letters, 261 selfloop transitions, 39 changer transitions 5/578 dead transitions. [2022-01-19 06:55:49,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 578 transitions, 2845 flow [2022-01-19 06:55:49,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-19 06:55:49,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-01-19 06:55:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4072 transitions. [2022-01-19 06:55:49,600 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7108938547486033 [2022-01-19 06:55:49,600 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 4072 transitions. [2022-01-19 06:55:49,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 4072 transitions. [2022-01-19 06:55:49,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 06:55:49,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 4072 transitions. [2022-01-19 06:55:49,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 254.5) internal successors, (4072), 16 states have internal predecessors, (4072), 0 states have call successors, (0), 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 06:55:49,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 358.0) internal successors, (6086), 17 states have internal predecessors, (6086), 0 states have call successors, (0), 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 06:55:49,606 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 358.0) internal successors, (6086), 17 states have internal predecessors, (6086), 0 states have call successors, (0), 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 06:55:49,606 INFO L186 Difference]: Start difference. First operand has 414 places, 384 transitions, 1734 flow. Second operand 16 states and 4072 transitions. [2022-01-19 06:55:49,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 578 transitions, 2845 flow [2022-01-19 06:55:49,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 578 transitions, 2727 flow, removed 10 selfloop flow, removed 27 redundant places. [2022-01-19 06:55:49,854 INFO L242 Difference]: Finished difference. Result has 408 places, 416 transitions, 1971 flow [2022-01-19 06:55:49,854 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=1618, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1971, PETRI_PLACES=408, PETRI_TRANSITIONS=416} [2022-01-19 06:55:49,855 INFO L334 CegarLoopForPetriNet]: 325 programPoint places, 83 predicate places. [2022-01-19 06:55:49,855 INFO L470 AbstractCegarLoop]: Abstraction has has 408 places, 416 transitions, 1971 flow [2022-01-19 06:55:49,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 242.13333333333333) internal successors, (3632), 15 states have internal predecessors, (3632), 0 states have call successors, (0), 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 06:55:49,855 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:55:49,855 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, 1, 1] [2022-01-19 06:55:49,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-01-19 06:55:50,056 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,SelfDestructingSolverStorable20 [2022-01-19 06:55:50,056 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 06:55:50,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:55:50,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1520401603, now seen corresponding path program 2 times [2022-01-19 06:55:50,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:55:50,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307432362] [2022-01-19 06:55:50,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:55:50,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:55:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 06:55:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 06:55:50,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 06:55:50,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307432362] [2022-01-19 06:55:50,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307432362] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 06:55:50,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366794321] [2022-01-19 06:55:50,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 06:55:50,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 06:55:50,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:55:50,282 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 06:55:50,283 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 06:55:50,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-19 06:55:50,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 06:55:50,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-19 06:55:50,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 06:55:50,594 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-19 06:55:50,594 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 20 [2022-01-19 06:55:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 06:55:50,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 06:55:50,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366794321] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 06:55:50,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 06:55:50,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [20] total 31 [2022-01-19 06:55:50,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627931121] [2022-01-19 06:55:50,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 06:55:50,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-19 06:55:50,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 06:55:50,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-19 06:55:50,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2022-01-19 06:55:50,808 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 358 [2022-01-19 06:55:50,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 416 transitions, 1971 flow. Second operand has 15 states, 15 states have (on average 242.13333333333333) internal successors, (3632), 15 states have internal predecessors, (3632), 0 states have call successors, (0), 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 06:55:50,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 06:55:50,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 358 [2022-01-19 06:55:50,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand