/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-After.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 12:54:27,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 12:54:27,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 12:54:27,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 12:54:27,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 12:54:27,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 12:54:27,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 12:54:27,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 12:54:27,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 12:54:27,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 12:54:27,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 12:54:27,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 12:54:27,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 12:54:27,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 12:54:27,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 12:54:27,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 12:54:27,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 12:54:27,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 12:54:27,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 12:54:27,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 12:54:27,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 12:54:27,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 12:54:27,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 12:54:27,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 12:54:27,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 12:54:27,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 12:54:27,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 12:54:27,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 12:54:27,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 12:54:27,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 12:54:27,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 12:54:27,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 12:54:27,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 12:54:27,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 12:54:27,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 12:54:27,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 12:54:27,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 12:54:27,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 12:54:27,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 12:54:27,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 12:54:27,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 12:54:27,143 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-After.epf [2022-01-19 12:54:27,160 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 12:54:27,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 12:54:27,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 12:54:27,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 12:54:27,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 12:54:27,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 12:54:27,162 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 12:54:27,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 12:54:27,162 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 12:54:27,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 12:54:27,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 12:54:27,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 12:54:27,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 12:54:27,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 12:54:27,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 12:54:27,163 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 12:54:27,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 12:54:27,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 12:54:27,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 12:54:27,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 12:54:27,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 12:54:27,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 12:54:27,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 12:54:27,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 12:54:27,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 12:54:27,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 12:54:27,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 12:54:27,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 12:54:27,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 12:54:27,166 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 12:54:27,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 12:54:27,166 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=AFTER [2022-01-19 12:54:27,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 12:54:27,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 12:54:27,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 12:54:27,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 12:54:27,366 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 12:54:27,366 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 12:54:27,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2022-01-19 12:54:27,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed5d3032/1c60dbd7f51e4de9a4120dd66f6af349/FLAGe69c87417 [2022-01-19 12:54:28,009 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 12:54:28,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2022-01-19 12:54:28,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed5d3032/1c60dbd7f51e4de9a4120dd66f6af349/FLAGe69c87417 [2022-01-19 12:54:28,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed5d3032/1c60dbd7f51e4de9a4120dd66f6af349 [2022-01-19 12:54:28,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 12:54:28,472 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 12:54:28,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 12:54:28,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 12:54:28,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 12:54:28,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511ffec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28, skipping insertion in model container [2022-01-19 12:54:28,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 12:54:28,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 12:54:28,784 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-trans.wvr.c[2728,2741] [2022-01-19 12:54:28,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 12:54:28,833 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 12:54:28,859 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-trans.wvr.c[2728,2741] [2022-01-19 12:54:28,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 12:54:28,871 INFO L208 MainTranslator]: Completed translation [2022-01-19 12:54:28,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28 WrapperNode [2022-01-19 12:54:28,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 12:54:28,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 12:54:28,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 12:54:28,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 12:54:28,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,922 INFO L137 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 277 [2022-01-19 12:54:28,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 12:54:28,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 12:54:28,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 12:54:28,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 12:54:28,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:28,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 12:54:28,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 12:54:28,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 12:54:28,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 12:54:28,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (1/1) ... [2022-01-19 12:54:29,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 12:54:29,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:54:29,045 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 12:54:29,090 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 12:54:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 12:54:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 12:54:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 12:54:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 12:54:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 12:54:29,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 12:54:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 12:54:29,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 12:54:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 12:54:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 12:54:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 12:54:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-19 12:54:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 12:54:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 12:54:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 12:54:29,115 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 12:54:29,237 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 12:54:29,238 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 12:54:29,573 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 12:54:29,585 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 12:54:29,585 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-01-19 12:54:29,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:54:29 BoogieIcfgContainer [2022-01-19 12:54:29,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 12:54:29,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 12:54:29,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 12:54:29,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 12:54:29,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 12:54:28" (1/3) ... [2022-01-19 12:54:29,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecdb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:54:29, skipping insertion in model container [2022-01-19 12:54:29,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:54:28" (2/3) ... [2022-01-19 12:54:29,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecdb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:54:29, skipping insertion in model container [2022-01-19 12:54:29,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:54:29" (3/3) ... [2022-01-19 12:54:29,595 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2022-01-19 12:54:29,598 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 12:54:29,598 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 12:54:29,598 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 12:54:29,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,713 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,713 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,713 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,713 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,713 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,713 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,730 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,730 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,738 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,739 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,739 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,739 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,739 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,739 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,739 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,739 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,743 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,743 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,743 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,744 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,745 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,745 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,745 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,745 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,745 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,745 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,745 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,754 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,762 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,771 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,787 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,787 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,788 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,788 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,789 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,789 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,789 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,789 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,789 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,789 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,789 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,789 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,789 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,790 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,790 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,790 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,790 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,790 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,790 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,790 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,790 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,790 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,791 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,792 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,792 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,792 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,792 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,792 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,792 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,792 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,792 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,793 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,793 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,794 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,794 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,794 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,794 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,794 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,795 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,801 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,802 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,806 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,807 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,812 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,812 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:54:29,825 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 12:54:29,868 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 12:54:29,872 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 12:54:29,873 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 12:54:29,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 350 transitions, 724 flow [2022-01-19 12:54:30,008 INFO L129 PetriNetUnfolder]: 28/347 cut-off events. [2022-01-19 12:54:30,008 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 12:54:30,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 347 events. 28/347 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 591 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 269. Up to 3 conditions per place. [2022-01-19 12:54:30,016 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 350 transitions, 724 flow [2022-01-19 12:54:30,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 336 transitions, 690 flow [2022-01-19 12:54:30,077 INFO L129 PetriNetUnfolder]: 27/331 cut-off events. [2022-01-19 12:54:30,077 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 12:54:30,077 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:54:30,078 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] [2022-01-19 12:54:30,078 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 12:54:30,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:54:30,083 INFO L85 PathProgramCache]: Analyzing trace with hash -641499725, now seen corresponding path program 1 times [2022-01-19 12:54:30,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:54:30,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592733157] [2022-01-19 12:54:30,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:30,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:54:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:30,275 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 12:54:30,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:54:30,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592733157] [2022-01-19 12:54:30,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592733157] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:54:30,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:54:30,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 12:54:30,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48788954] [2022-01-19 12:54:30,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:54:30,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-19 12:54:30,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:54:30,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-19 12:54:30,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-19 12:54:30,299 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 350 [2022-01-19 12:54:30,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 336 transitions, 690 flow. Second operand has 2 states, 2 states have (on average 329.0) internal successors, (658), 2 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:30,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:54:30,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 350 [2022-01-19 12:54:30,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:54:30,347 INFO L129 PetriNetUnfolder]: 9/317 cut-off events. [2022-01-19 12:54:30,348 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-01-19 12:54:30,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 317 events. 9/317 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 554 event pairs, 0 based on Foata normal form. 25/320 useless extension candidates. Maximal degree in co-relation 256. Up to 7 conditions per place. [2022-01-19 12:54:30,350 INFO L132 encePairwiseOnDemand]: 331/350 looper letters, 6 selfloop transitions, 0 changer transitions 7/317 dead transitions. [2022-01-19 12:54:30,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 317 transitions, 664 flow [2022-01-19 12:54:30,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-19 12:54:30,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-19 12:54:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 673 transitions. [2022-01-19 12:54:30,363 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9614285714285714 [2022-01-19 12:54:30,364 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 673 transitions. [2022-01-19 12:54:30,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 673 transitions. [2022-01-19 12:54:30,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:54:30,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 673 transitions. [2022-01-19 12:54:30,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 336.5) internal successors, (673), 2 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:30,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:30,377 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:30,378 INFO L186 Difference]: Start difference. First operand has 318 places, 336 transitions, 690 flow. Second operand 2 states and 673 transitions. [2022-01-19 12:54:30,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 317 transitions, 664 flow [2022-01-19 12:54:30,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 317 transitions, 652 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 12:54:30,389 INFO L242 Difference]: Finished difference. Result has 313 places, 310 transitions, 626 flow [2022-01-19 12:54:30,390 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=626, PETRI_PLACES=313, PETRI_TRANSITIONS=310} [2022-01-19 12:54:30,392 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, -5 predicate places. [2022-01-19 12:54:30,392 INFO L470 AbstractCegarLoop]: Abstraction has has 313 places, 310 transitions, 626 flow [2022-01-19 12:54:30,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 329.0) internal successors, (658), 2 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:30,393 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:54:30,393 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 12:54:30,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 12:54:30,393 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 12:54:30,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:54:30,394 INFO L85 PathProgramCache]: Analyzing trace with hash -330795675, now seen corresponding path program 1 times [2022-01-19 12:54:30,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:54:30,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103841690] [2022-01-19 12:54:30,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:30,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:54:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:30,680 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 12:54:30,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:54:30,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103841690] [2022-01-19 12:54:30,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103841690] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:54:30,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:54:30,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-19 12:54:30,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428999236] [2022-01-19 12:54:30,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:54:30,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-19 12:54:30,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:54:30,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-19 12:54:30,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-01-19 12:54:30,686 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 350 [2022-01-19 12:54:30,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 310 transitions, 626 flow. Second operand has 14 states, 14 states have (on average 248.5) internal successors, (3479), 14 states have internal predecessors, (3479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:30,689 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:54:30,689 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 350 [2022-01-19 12:54:30,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:54:31,553 INFO L129 PetriNetUnfolder]: 535/4795 cut-off events. [2022-01-19 12:54:31,553 INFO L130 PetriNetUnfolder]: For 63/72 co-relation queries the response was YES. [2022-01-19 12:54:31,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5595 conditions, 4795 events. 535/4795 cut-off events. For 63/72 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 48004 event pairs, 282 based on Foata normal form. 1/4297 useless extension candidates. Maximal degree in co-relation 5592. Up to 265 conditions per place. [2022-01-19 12:54:31,588 INFO L132 encePairwiseOnDemand]: 328/350 looper letters, 135 selfloop transitions, 21 changer transitions 6/393 dead transitions. [2022-01-19 12:54:31,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 393 transitions, 1129 flow [2022-01-19 12:54:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-19 12:54:31,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-01-19 12:54:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 5043 transitions. [2022-01-19 12:54:31,595 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7204285714285714 [2022-01-19 12:54:31,596 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 5043 transitions. [2022-01-19 12:54:31,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 5043 transitions. [2022-01-19 12:54:31,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:54:31,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 5043 transitions. [2022-01-19 12:54:31,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 252.15) internal successors, (5043), 20 states have internal predecessors, (5043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:31,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 350.0) internal successors, (7350), 21 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:31,615 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 350.0) internal successors, (7350), 21 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:31,615 INFO L186 Difference]: Start difference. First operand has 313 places, 310 transitions, 626 flow. Second operand 20 states and 5043 transitions. [2022-01-19 12:54:31,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 393 transitions, 1129 flow [2022-01-19 12:54:31,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 393 transitions, 1129 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 12:54:31,622 INFO L242 Difference]: Finished difference. Result has 336 places, 322 transitions, 743 flow [2022-01-19 12:54:31,623 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=743, PETRI_PLACES=336, PETRI_TRANSITIONS=322} [2022-01-19 12:54:31,623 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 18 predicate places. [2022-01-19 12:54:31,623 INFO L470 AbstractCegarLoop]: Abstraction has has 336 places, 322 transitions, 743 flow [2022-01-19 12:54:31,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 248.5) internal successors, (3479), 14 states have internal predecessors, (3479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:31,625 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:54:31,625 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] [2022-01-19 12:54:31,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 12:54:31,626 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 12:54:31,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:54:31,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1220409415, now seen corresponding path program 1 times [2022-01-19 12:54:31,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:54:31,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113342761] [2022-01-19 12:54:31,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:31,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:54:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:31,884 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 12:54:31,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:54:31,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113342761] [2022-01-19 12:54:31,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113342761] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:54:31,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:54:31,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-19 12:54:31,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007877382] [2022-01-19 12:54:31,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:54:31,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-19 12:54:31,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:54:31,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-19 12:54:31,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-01-19 12:54:31,891 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 350 [2022-01-19 12:54:31,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 322 transitions, 743 flow. Second operand has 14 states, 14 states have (on average 248.78571428571428) internal successors, (3483), 14 states have internal predecessors, (3483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:31,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:54:31,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 350 [2022-01-19 12:54:31,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:54:33,196 INFO L129 PetriNetUnfolder]: 1102/9683 cut-off events. [2022-01-19 12:54:33,196 INFO L130 PetriNetUnfolder]: For 312/317 co-relation queries the response was YES. [2022-01-19 12:54:33,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11567 conditions, 9683 events. 1102/9683 cut-off events. For 312/317 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 112982 event pairs, 513 based on Foata normal form. 3/8653 useless extension candidates. Maximal degree in co-relation 11552. Up to 573 conditions per place. [2022-01-19 12:54:33,250 INFO L132 encePairwiseOnDemand]: 330/350 looper letters, 129 selfloop transitions, 25 changer transitions 5/391 dead transitions. [2022-01-19 12:54:33,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 391 transitions, 1248 flow [2022-01-19 12:54:33,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-19 12:54:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2022-01-19 12:54:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 4780 transitions. [2022-01-19 12:54:33,257 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.718796992481203 [2022-01-19 12:54:33,257 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 4780 transitions. [2022-01-19 12:54:33,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 4780 transitions. [2022-01-19 12:54:33,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:54:33,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 4780 transitions. [2022-01-19 12:54:33,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 251.57894736842104) internal successors, (4780), 19 states have internal predecessors, (4780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:33,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 350.0) internal successors, (7000), 20 states have internal predecessors, (7000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:33,272 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 350.0) internal successors, (7000), 20 states have internal predecessors, (7000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:33,272 INFO L186 Difference]: Start difference. First operand has 336 places, 322 transitions, 743 flow. Second operand 19 states and 4780 transitions. [2022-01-19 12:54:33,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 391 transitions, 1248 flow [2022-01-19 12:54:33,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 391 transitions, 1229 flow, removed 5 selfloop flow, removed 5 redundant places. [2022-01-19 12:54:33,279 INFO L242 Difference]: Finished difference. Result has 356 places, 334 transitions, 863 flow [2022-01-19 12:54:33,280 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=863, PETRI_PLACES=356, PETRI_TRANSITIONS=334} [2022-01-19 12:54:33,280 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 38 predicate places. [2022-01-19 12:54:33,280 INFO L470 AbstractCegarLoop]: Abstraction has has 356 places, 334 transitions, 863 flow [2022-01-19 12:54:33,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 248.78571428571428) internal successors, (3483), 14 states have internal predecessors, (3483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:33,281 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:54:33,281 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, 1] [2022-01-19 12:54:33,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 12:54:33,282 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 12:54:33,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:54:33,282 INFO L85 PathProgramCache]: Analyzing trace with hash 45808441, now seen corresponding path program 1 times [2022-01-19 12:54:33,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:54:33,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082386279] [2022-01-19 12:54:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:33,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:54:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:33,582 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 12:54:33,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:54:33,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082386279] [2022-01-19 12:54:33,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082386279] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 12:54:33,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427578937] [2022-01-19 12:54:33,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:33,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:33,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:54:33,584 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 12:54:33,585 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 12:54:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:33,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-19 12:54:33,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 12:54:34,207 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 12:54:34,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 12:54:34,727 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 12:54:34,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427578937] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 12:54:34,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 12:54:34,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 23 [2022-01-19 12:54:34,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557293905] [2022-01-19 12:54:34,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:54:34,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 12:54:34,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:54:34,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 12:54:34,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2022-01-19 12:54:34,731 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 350 [2022-01-19 12:54:34,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 334 transitions, 863 flow. Second operand has 11 states, 11 states have (on average 272.45454545454544) internal successors, (2997), 11 states have internal predecessors, (2997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:34,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:54:34,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 350 [2022-01-19 12:54:34,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:54:36,522 INFO L129 PetriNetUnfolder]: 1877/13204 cut-off events. [2022-01-19 12:54:36,522 INFO L130 PetriNetUnfolder]: For 595/595 co-relation queries the response was YES. [2022-01-19 12:54:36,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17049 conditions, 13204 events. 1877/13204 cut-off events. For 595/595 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 165723 event pairs, 610 based on Foata normal form. 0/11822 useless extension candidates. Maximal degree in co-relation 17027. Up to 740 conditions per place. [2022-01-19 12:54:36,663 INFO L132 encePairwiseOnDemand]: 332/350 looper letters, 159 selfloop transitions, 28 changer transitions 3/444 dead transitions. [2022-01-19 12:54:36,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 444 transitions, 1532 flow [2022-01-19 12:54:36,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-19 12:54:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2022-01-19 12:54:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 5273 transitions. [2022-01-19 12:54:36,674 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7929323308270677 [2022-01-19 12:54:36,674 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 5273 transitions. [2022-01-19 12:54:36,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 5273 transitions. [2022-01-19 12:54:36,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:54:36,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 5273 transitions. [2022-01-19 12:54:36,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 277.5263157894737) internal successors, (5273), 19 states have internal predecessors, (5273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:36,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 350.0) internal successors, (7000), 20 states have internal predecessors, (7000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:36,693 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 350.0) internal successors, (7000), 20 states have internal predecessors, (7000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:36,693 INFO L186 Difference]: Start difference. First operand has 356 places, 334 transitions, 863 flow. Second operand 19 states and 5273 transitions. [2022-01-19 12:54:36,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 444 transitions, 1532 flow [2022-01-19 12:54:36,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 444 transitions, 1515 flow, removed 2 selfloop flow, removed 6 redundant places. [2022-01-19 12:54:36,699 INFO L242 Difference]: Finished difference. Result has 372 places, 347 transitions, 979 flow [2022-01-19 12:54:36,700 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=849, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=979, PETRI_PLACES=372, PETRI_TRANSITIONS=347} [2022-01-19 12:54:36,701 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 54 predicate places. [2022-01-19 12:54:36,701 INFO L470 AbstractCegarLoop]: Abstraction has has 372 places, 347 transitions, 979 flow [2022-01-19 12:54:36,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 272.45454545454544) internal successors, (2997), 11 states have internal predecessors, (2997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:36,702 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:54:36,702 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] [2022-01-19 12:54:36,721 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 12:54:36,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:36,916 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 12:54:36,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:54:36,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2124156704, now seen corresponding path program 1 times [2022-01-19 12:54:36,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:54:36,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538129221] [2022-01-19 12:54:36,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:36,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:54:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 12:54:37,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:54:37,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538129221] [2022-01-19 12:54:37,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538129221] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 12:54:37,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347880727] [2022-01-19 12:54:37,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:37,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:37,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:54:37,061 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 12:54:37,093 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 12:54:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:37,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-19 12:54:37,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 12:54:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 12:54:37,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 12:54:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 12:54:37,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347880727] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 12:54:37,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 12:54:37,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14, 13] total 25 [2022-01-19 12:54:37,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040559489] [2022-01-19 12:54:37,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:54:37,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-19 12:54:37,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:54:37,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-19 12:54:37,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2022-01-19 12:54:37,975 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 350 [2022-01-19 12:54:37,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 347 transitions, 979 flow. Second operand has 13 states, 13 states have (on average 249.53846153846155) internal successors, (3244), 13 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:37,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:54:37,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 350 [2022-01-19 12:54:37,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:54:39,918 INFO L129 PetriNetUnfolder]: 1715/15095 cut-off events. [2022-01-19 12:54:39,918 INFO L130 PetriNetUnfolder]: For 1336/1340 co-relation queries the response was YES. [2022-01-19 12:54:40,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18865 conditions, 15095 events. 1715/15095 cut-off events. For 1336/1340 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 187374 event pairs, 990 based on Foata normal form. 8/13583 useless extension candidates. Maximal degree in co-relation 18840. Up to 793 conditions per place. [2022-01-19 12:54:40,059 INFO L132 encePairwiseOnDemand]: 328/350 looper letters, 163 selfloop transitions, 34 changer transitions 4/437 dead transitions. [2022-01-19 12:54:40,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 437 transitions, 1661 flow [2022-01-19 12:54:40,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-19 12:54:40,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-01-19 12:54:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4320 transitions. [2022-01-19 12:54:40,065 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7260504201680672 [2022-01-19 12:54:40,065 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 4320 transitions. [2022-01-19 12:54:40,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 4320 transitions. [2022-01-19 12:54:40,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:54:40,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 4320 transitions. [2022-01-19 12:54:40,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 254.11764705882354) internal successors, (4320), 17 states have internal predecessors, (4320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:40,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 350.0) internal successors, (6300), 18 states have internal predecessors, (6300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:40,078 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 350.0) internal successors, (6300), 18 states have internal predecessors, (6300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:40,078 INFO L186 Difference]: Start difference. First operand has 372 places, 347 transitions, 979 flow. Second operand 17 states and 4320 transitions. [2022-01-19 12:54:40,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 437 transitions, 1661 flow [2022-01-19 12:54:40,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 437 transitions, 1639 flow, removed 3 selfloop flow, removed 7 redundant places. [2022-01-19 12:54:40,094 INFO L242 Difference]: Finished difference. Result has 388 places, 360 transitions, 1110 flow [2022-01-19 12:54:40,095 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1110, PETRI_PLACES=388, PETRI_TRANSITIONS=360} [2022-01-19 12:54:40,097 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 70 predicate places. [2022-01-19 12:54:40,097 INFO L470 AbstractCegarLoop]: Abstraction has has 388 places, 360 transitions, 1110 flow [2022-01-19 12:54:40,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 249.53846153846155) internal successors, (3244), 13 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:40,098 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:54:40,098 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 12:54:40,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-19 12:54:40,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:40,312 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 12:54:40,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:54:40,313 INFO L85 PathProgramCache]: Analyzing trace with hash 422050291, now seen corresponding path program 1 times [2022-01-19 12:54:40,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:54:40,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892187604] [2022-01-19 12:54:40,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:40,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:54:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:40,459 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 12:54:40,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:54:40,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892187604] [2022-01-19 12:54:40,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892187604] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 12:54:40,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507194148] [2022-01-19 12:54:40,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:40,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:40,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:54:40,478 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 12:54:40,535 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 12:54:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:40,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-19 12:54:40,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 12:54:41,119 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 12:54:41,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 12:54:41,684 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 12:54:41,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507194148] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 12:54:41,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 12:54:41,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 29 [2022-01-19 12:54:41,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597258667] [2022-01-19 12:54:41,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:54:41,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 12:54:41,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:54:41,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 12:54:41,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2022-01-19 12:54:41,687 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 350 [2022-01-19 12:54:41,689 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 360 transitions, 1110 flow. Second operand has 11 states, 11 states have (on average 272.90909090909093) internal successors, (3002), 11 states have internal predecessors, (3002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:41,689 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:54:41,689 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 350 [2022-01-19 12:54:41,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:54:44,241 INFO L129 PetriNetUnfolder]: 3153/17583 cut-off events. [2022-01-19 12:54:44,241 INFO L130 PetriNetUnfolder]: For 2807/2984 co-relation queries the response was YES. [2022-01-19 12:54:44,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25061 conditions, 17583 events. 3153/17583 cut-off events. For 2807/2984 co-relation queries the response was YES. Maximal size of possible extension queue 378. Compared 216097 event pairs, 1188 based on Foata normal form. 40/15697 useless extension candidates. Maximal degree in co-relation 25029. Up to 1180 conditions per place. [2022-01-19 12:54:44,462 INFO L132 encePairwiseOnDemand]: 332/350 looper letters, 160 selfloop transitions, 31 changer transitions 1/450 dead transitions. [2022-01-19 12:54:44,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 450 transitions, 1767 flow [2022-01-19 12:54:44,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 12:54:44,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 12:54:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4987 transitions. [2022-01-19 12:54:44,473 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7915873015873016 [2022-01-19 12:54:44,473 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 4987 transitions. [2022-01-19 12:54:44,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 4987 transitions. [2022-01-19 12:54:44,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:54:44,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 4987 transitions. [2022-01-19 12:54:44,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 277.05555555555554) internal successors, (4987), 18 states have internal predecessors, (4987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:44,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 350.0) internal successors, (6650), 19 states have internal predecessors, (6650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:44,487 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 350.0) internal successors, (6650), 19 states have internal predecessors, (6650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:44,487 INFO L186 Difference]: Start difference. First operand has 388 places, 360 transitions, 1110 flow. Second operand 18 states and 4987 transitions. [2022-01-19 12:54:44,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 450 transitions, 1767 flow [2022-01-19 12:54:44,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 450 transitions, 1730 flow, removed 5 selfloop flow, removed 10 redundant places. [2022-01-19 12:54:44,499 INFO L242 Difference]: Finished difference. Result has 395 places, 366 transitions, 1160 flow [2022-01-19 12:54:44,500 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=1073, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1160, PETRI_PLACES=395, PETRI_TRANSITIONS=366} [2022-01-19 12:54:44,502 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 77 predicate places. [2022-01-19 12:54:44,502 INFO L470 AbstractCegarLoop]: Abstraction has has 395 places, 366 transitions, 1160 flow [2022-01-19 12:54:44,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 272.90909090909093) internal successors, (3002), 11 states have internal predecessors, (3002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:44,502 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:54:44,502 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 12:54:44,519 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 12:54:44,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:44,719 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 12:54:44,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:54:44,719 INFO L85 PathProgramCache]: Analyzing trace with hash 768654560, now seen corresponding path program 1 times [2022-01-19 12:54:44,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:54:44,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32141797] [2022-01-19 12:54:44,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:44,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:54:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:44,831 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 12:54:44,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:54:44,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32141797] [2022-01-19 12:54:44,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32141797] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 12:54:44,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893808832] [2022-01-19 12:54:44,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:44,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:44,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:54:44,844 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 12:54:44,845 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 12:54:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:44,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-19 12:54:44,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 12:54:45,401 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 12:54:45,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 12:54:45,919 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 12:54:45,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893808832] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 12:54:45,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 12:54:45,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11, 11] total 23 [2022-01-19 12:54:45,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936342544] [2022-01-19 12:54:45,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:54:45,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 12:54:45,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:54:45,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 12:54:45,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2022-01-19 12:54:45,923 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 350 [2022-01-19 12:54:45,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 366 transitions, 1160 flow. Second operand has 11 states, 11 states have (on average 273.0) internal successors, (3003), 11 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:45,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:54:45,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 350 [2022-01-19 12:54:45,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:54:50,419 INFO L129 PetriNetUnfolder]: 4107/35831 cut-off events. [2022-01-19 12:54:50,419 INFO L130 PetriNetUnfolder]: For 4813/5629 co-relation queries the response was YES. [2022-01-19 12:54:50,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47788 conditions, 35831 events. 4107/35831 cut-off events. For 4813/5629 co-relation queries the response was YES. Maximal size of possible extension queue 761. Compared 536921 event pairs, 2347 based on Foata normal form. 65/33106 useless extension candidates. Maximal degree in co-relation 47758. Up to 1406 conditions per place. [2022-01-19 12:54:50,636 INFO L132 encePairwiseOnDemand]: 333/350 looper letters, 176 selfloop transitions, 40 changer transitions 2/479 dead transitions. [2022-01-19 12:54:50,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 479 transitions, 2013 flow [2022-01-19 12:54:50,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-19 12:54:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2022-01-19 12:54:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 5246 transitions. [2022-01-19 12:54:50,642 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7888721804511278 [2022-01-19 12:54:50,643 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 5246 transitions. [2022-01-19 12:54:50,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 5246 transitions. [2022-01-19 12:54:50,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:54:50,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 5246 transitions. [2022-01-19 12:54:50,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 276.10526315789474) internal successors, (5246), 19 states have internal predecessors, (5246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:50,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 350.0) internal successors, (7000), 20 states have internal predecessors, (7000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:50,655 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 350.0) internal successors, (7000), 20 states have internal predecessors, (7000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:50,655 INFO L186 Difference]: Start difference. First operand has 395 places, 366 transitions, 1160 flow. Second operand 19 states and 5246 transitions. [2022-01-19 12:54:50,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 479 transitions, 2013 flow [2022-01-19 12:54:50,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 479 transitions, 1970 flow, removed 3 selfloop flow, removed 9 redundant places. [2022-01-19 12:54:50,680 INFO L242 Difference]: Finished difference. Result has 410 places, 378 transitions, 1294 flow [2022-01-19 12:54:50,681 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1294, PETRI_PLACES=410, PETRI_TRANSITIONS=378} [2022-01-19 12:54:50,681 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 92 predicate places. [2022-01-19 12:54:50,681 INFO L470 AbstractCegarLoop]: Abstraction has has 410 places, 378 transitions, 1294 flow [2022-01-19 12:54:50,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 273.0) internal successors, (3003), 11 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:50,682 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:54:50,682 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] [2022-01-19 12:54:50,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-01-19 12:54:50,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:50,896 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 12:54:50,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:54:50,896 INFO L85 PathProgramCache]: Analyzing trace with hash -2068639532, now seen corresponding path program 1 times [2022-01-19 12:54:50,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:54:50,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430911615] [2022-01-19 12:54:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:50,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:54:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:50,983 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 12:54:50,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:54:50,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430911615] [2022-01-19 12:54:50,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430911615] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:54:50,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:54:50,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 12:54:50,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081144762] [2022-01-19 12:54:50,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:54:50,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 12:54:50,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:54:50,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 12:54:50,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-19 12:54:50,989 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 350 [2022-01-19 12:54:50,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 378 transitions, 1294 flow. Second operand has 7 states, 7 states have (on average 279.42857142857144) internal successors, (1956), 7 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:50,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:54:50,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 350 [2022-01-19 12:54:50,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:54:52,005 INFO L129 PetriNetUnfolder]: 465/6643 cut-off events. [2022-01-19 12:54:52,005 INFO L130 PetriNetUnfolder]: For 1247/1927 co-relation queries the response was YES. [2022-01-19 12:54:52,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9016 conditions, 6643 events. 465/6643 cut-off events. For 1247/1927 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 69698 event pairs, 329 based on Foata normal form. 18/6194 useless extension candidates. Maximal degree in co-relation 8982. Up to 756 conditions per place. [2022-01-19 12:54:52,049 INFO L132 encePairwiseOnDemand]: 339/350 looper letters, 73 selfloop transitions, 8 changer transitions 55/402 dead transitions. [2022-01-19 12:54:52,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 402 transitions, 1629 flow [2022-01-19 12:54:52,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 12:54:52,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 12:54:52,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2834 transitions. [2022-01-19 12:54:52,052 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8097142857142857 [2022-01-19 12:54:52,052 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2834 transitions. [2022-01-19 12:54:52,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2834 transitions. [2022-01-19 12:54:52,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:54:52,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2834 transitions. [2022-01-19 12:54:52,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 283.4) internal successors, (2834), 10 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:52,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 350.0) internal successors, (3850), 11 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:52,057 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 350.0) internal successors, (3850), 11 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:52,057 INFO L186 Difference]: Start difference. First operand has 410 places, 378 transitions, 1294 flow. Second operand 10 states and 2834 transitions. [2022-01-19 12:54:52,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 402 transitions, 1629 flow [2022-01-19 12:54:52,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 402 transitions, 1569 flow, removed 3 selfloop flow, removed 11 redundant places. [2022-01-19 12:54:52,065 INFO L242 Difference]: Finished difference. Result has 407 places, 345 transitions, 1051 flow [2022-01-19 12:54:52,065 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=1221, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1051, PETRI_PLACES=407, PETRI_TRANSITIONS=345} [2022-01-19 12:54:52,066 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 89 predicate places. [2022-01-19 12:54:52,066 INFO L470 AbstractCegarLoop]: Abstraction has has 407 places, 345 transitions, 1051 flow [2022-01-19 12:54:52,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 279.42857142857144) internal successors, (1956), 7 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:52,066 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:54:52,066 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] [2022-01-19 12:54:52,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 12:54:52,067 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 12:54:52,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:54:52,067 INFO L85 PathProgramCache]: Analyzing trace with hash -840269741, now seen corresponding path program 1 times [2022-01-19 12:54:52,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:54:52,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157340093] [2022-01-19 12:54:52,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:52,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:54:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-19 12:54:52,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:54:52,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157340093] [2022-01-19 12:54:52,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157340093] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 12:54:52,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406448489] [2022-01-19 12:54:52,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:52,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:52,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:54:52,205 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 12:54:52,207 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 12:54:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:52,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-19 12:54:52,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 12:54:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-19 12:54:52,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 12:54:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-19 12:54:53,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406448489] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 12:54:53,122 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 12:54:53,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 31 [2022-01-19 12:54:53,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742691187] [2022-01-19 12:54:53,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 12:54:53,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-01-19 12:54:53,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:54:53,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-01-19 12:54:53,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=790, Unknown=0, NotChecked=0, Total=930 [2022-01-19 12:54:53,127 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 350 [2022-01-19 12:54:53,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 345 transitions, 1051 flow. Second operand has 31 states, 31 states have (on average 245.67741935483872) internal successors, (7616), 31 states have internal predecessors, (7616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:53,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:54:53,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 350 [2022-01-19 12:54:53,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:54:56,604 INFO L129 PetriNetUnfolder]: 2269/20855 cut-off events. [2022-01-19 12:54:56,604 INFO L130 PetriNetUnfolder]: For 4685/4856 co-relation queries the response was YES. [2022-01-19 12:54:56,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29308 conditions, 20855 events. 2269/20855 cut-off events. For 4685/4856 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 282716 event pairs, 948 based on Foata normal form. 143/19489 useless extension candidates. Maximal degree in co-relation 29273. Up to 800 conditions per place. [2022-01-19 12:54:56,752 INFO L132 encePairwiseOnDemand]: 321/350 looper letters, 216 selfloop transitions, 51 changer transitions 10/513 dead transitions. [2022-01-19 12:54:56,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 513 transitions, 2298 flow [2022-01-19 12:54:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-19 12:54:56,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2022-01-19 12:54:56,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 9146 transitions. [2022-01-19 12:54:56,758 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7062548262548263 [2022-01-19 12:54:56,758 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 9146 transitions. [2022-01-19 12:54:56,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 9146 transitions. [2022-01-19 12:54:56,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:54:56,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 9146 transitions. [2022-01-19 12:54:56,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 247.1891891891892) internal successors, (9146), 37 states have internal predecessors, (9146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:56,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 350.0) internal successors, (13300), 38 states have internal predecessors, (13300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:56,777 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 350.0) internal successors, (13300), 38 states have internal predecessors, (13300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:56,777 INFO L186 Difference]: Start difference. First operand has 407 places, 345 transitions, 1051 flow. Second operand 37 states and 9146 transitions. [2022-01-19 12:54:56,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 513 transitions, 2298 flow [2022-01-19 12:54:56,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 513 transitions, 2148 flow, removed 10 selfloop flow, removed 30 redundant places. [2022-01-19 12:54:56,790 INFO L242 Difference]: Finished difference. Result has 415 places, 371 transitions, 1280 flow [2022-01-19 12:54:56,791 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=1280, PETRI_PLACES=415, PETRI_TRANSITIONS=371} [2022-01-19 12:54:56,791 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 97 predicate places. [2022-01-19 12:54:56,791 INFO L470 AbstractCegarLoop]: Abstraction has has 415 places, 371 transitions, 1280 flow [2022-01-19 12:54:56,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 245.67741935483872) internal successors, (7616), 31 states have internal predecessors, (7616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:56,792 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:54:56,793 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:56,825 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 12:54:57,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:57,009 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 12:54:57,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:54:57,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1559230401, now seen corresponding path program 2 times [2022-01-19 12:54:57,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:54:57,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549685759] [2022-01-19 12:54:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:54:57,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:54:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:54:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-19 12:54:57,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:54:57,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549685759] [2022-01-19 12:54:57,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549685759] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 12:54:57,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803541986] [2022-01-19 12:54:57,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 12:54:57,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:54:57,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:54:57,217 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 12:54:57,218 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 12:54:57,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-19 12:54:57,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 12:54:57,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-19 12:54:57,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 12:54:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-19 12:54:57,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 12:54:57,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803541986] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:54:57,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 12:54:57,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 20 [2022-01-19 12:54:57,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341284986] [2022-01-19 12:54:57,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:54:57,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 12:54:57,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:54:57,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 12:54:57,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-01-19 12:54:57,706 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 350 [2022-01-19 12:54:57,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 371 transitions, 1280 flow. Second operand has 7 states, 7 states have (on average 272.85714285714283) internal successors, (1910), 7 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:54:57,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:54:57,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 350 [2022-01-19 12:54:57,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:55:02,854 INFO L129 PetriNetUnfolder]: 5214/38199 cut-off events. [2022-01-19 12:55:02,855 INFO L130 PetriNetUnfolder]: For 11926/12122 co-relation queries the response was YES. [2022-01-19 12:55:03,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56945 conditions, 38199 events. 5214/38199 cut-off events. For 11926/12122 co-relation queries the response was YES. Maximal size of possible extension queue 798. Compared 557920 event pairs, 1040 based on Foata normal form. 197/35081 useless extension candidates. Maximal degree in co-relation 56906. Up to 2909 conditions per place. [2022-01-19 12:55:03,317 INFO L132 encePairwiseOnDemand]: 341/350 looper letters, 146 selfloop transitions, 22 changer transitions 4/462 dead transitions. [2022-01-19 12:55:03,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 462 transitions, 2109 flow [2022-01-19 12:55:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 12:55:03,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 12:55:03,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1961 transitions. [2022-01-19 12:55:03,319 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8004081632653062 [2022-01-19 12:55:03,319 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1961 transitions. [2022-01-19 12:55:03,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1961 transitions. [2022-01-19 12:55:03,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:55:03,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1961 transitions. [2022-01-19 12:55:03,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 280.14285714285717) internal successors, (1961), 7 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:03,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 350.0) internal successors, (2800), 8 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:03,326 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 350.0) internal successors, (2800), 8 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:03,326 INFO L186 Difference]: Start difference. First operand has 415 places, 371 transitions, 1280 flow. Second operand 7 states and 1961 transitions. [2022-01-19 12:55:03,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 462 transitions, 2109 flow [2022-01-19 12:55:03,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 462 transitions, 2046 flow, removed 19 selfloop flow, removed 14 redundant places. [2022-01-19 12:55:03,350 INFO L242 Difference]: Finished difference. Result has 408 places, 389 transitions, 1457 flow [2022-01-19 12:55:03,350 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=1237, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1457, PETRI_PLACES=408, PETRI_TRANSITIONS=389} [2022-01-19 12:55:03,351 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 90 predicate places. [2022-01-19 12:55:03,351 INFO L470 AbstractCegarLoop]: Abstraction has has 408 places, 389 transitions, 1457 flow [2022-01-19 12:55:03,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 272.85714285714283) internal successors, (1910), 7 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:03,351 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:55:03,351 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:03,376 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 12:55:03,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:55:03,553 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 12:55:03,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:55:03,554 INFO L85 PathProgramCache]: Analyzing trace with hash -952694905, now seen corresponding path program 3 times [2022-01-19 12:55:03,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:55:03,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792016957] [2022-01-19 12:55:03,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:55:03,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:55:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:55:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-19 12:55:03,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:55:03,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792016957] [2022-01-19 12:55:03,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792016957] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 12:55:03,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659084321] [2022-01-19 12:55:03,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-19 12:55:03,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:55:03,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:55:03,724 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 12:55:03,725 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 12:55:03,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-19 12:55:03,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 12:55:03,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-19 12:55:03,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 12:55:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-19 12:55:04,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 12:55:04,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659084321] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:55:04,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 12:55:04,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 20 [2022-01-19 12:55:04,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789756430] [2022-01-19 12:55:04,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:55:04,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 12:55:04,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:55:04,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 12:55:04,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-01-19 12:55:04,150 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 350 [2022-01-19 12:55:04,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 389 transitions, 1457 flow. Second operand has 7 states, 7 states have (on average 272.85714285714283) internal successors, (1910), 7 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:04,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:55:04,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 350 [2022-01-19 12:55:04,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:55:11,576 INFO L129 PetriNetUnfolder]: 7336/52545 cut-off events. [2022-01-19 12:55:11,576 INFO L130 PetriNetUnfolder]: For 28599/30731 co-relation queries the response was YES. [2022-01-19 12:55:11,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83392 conditions, 52545 events. 7336/52545 cut-off events. For 28599/30731 co-relation queries the response was YES. Maximal size of possible extension queue 1194. Compared 823275 event pairs, 1560 based on Foata normal form. 528/48541 useless extension candidates. Maximal degree in co-relation 83353. Up to 4719 conditions per place. [2022-01-19 12:55:12,109 INFO L132 encePairwiseOnDemand]: 341/350 looper letters, 149 selfloop transitions, 39 changer transitions 4/482 dead transitions. [2022-01-19 12:55:12,110 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 482 transitions, 2406 flow [2022-01-19 12:55:12,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 12:55:12,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 12:55:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1964 transitions. [2022-01-19 12:55:12,112 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8016326530612244 [2022-01-19 12:55:12,112 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1964 transitions. [2022-01-19 12:55:12,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1964 transitions. [2022-01-19 12:55:12,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:55:12,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1964 transitions. [2022-01-19 12:55:12,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 280.57142857142856) internal successors, (1964), 7 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:12,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 350.0) internal successors, (2800), 8 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:12,116 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 350.0) internal successors, (2800), 8 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:12,116 INFO L186 Difference]: Start difference. First operand has 408 places, 389 transitions, 1457 flow. Second operand 7 states and 1964 transitions. [2022-01-19 12:55:12,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 482 transitions, 2406 flow [2022-01-19 12:55:12,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 482 transitions, 2374 flow, removed 7 selfloop flow, removed 3 redundant places. [2022-01-19 12:55:12,167 INFO L242 Difference]: Finished difference. Result has 414 places, 412 transitions, 1841 flow [2022-01-19 12:55:12,167 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=1445, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1841, PETRI_PLACES=414, PETRI_TRANSITIONS=412} [2022-01-19 12:55:12,168 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 96 predicate places. [2022-01-19 12:55:12,168 INFO L470 AbstractCegarLoop]: Abstraction has has 414 places, 412 transitions, 1841 flow [2022-01-19 12:55:12,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 272.85714285714283) internal successors, (1910), 7 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:12,168 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:55:12,168 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:12,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-01-19 12:55:12,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:55:12,383 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 12:55:12,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:55:12,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1827023955, now seen corresponding path program 4 times [2022-01-19 12:55:12,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:55:12,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834660682] [2022-01-19 12:55:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:55:12,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:55:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:55:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-19 12:55:12,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:55:12,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834660682] [2022-01-19 12:55:12,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834660682] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 12:55:12,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966487465] [2022-01-19 12:55:12,802 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-19 12:55:12,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:55:12,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:55:12,803 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 12:55:12,804 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 12:55:12,929 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-19 12:55:12,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 12:55:12,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 18 conjunts are in the unsatisfiable core [2022-01-19 12:55:12,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 12:55:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-19 12:55:13,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 12:55:14,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-19 12:55:14,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966487465] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 12:55:14,031 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 12:55:14,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 40 [2022-01-19 12:55:14,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107746268] [2022-01-19 12:55:14,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 12:55:14,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-01-19 12:55:14,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:55:14,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-01-19 12:55:14,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1347, Unknown=0, NotChecked=0, Total=1560 [2022-01-19 12:55:14,038 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 350 [2022-01-19 12:55:14,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 412 transitions, 1841 flow. Second operand has 40 states, 40 states have (on average 242.6) internal successors, (9704), 40 states have internal predecessors, (9704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:14,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:55:14,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 350 [2022-01-19 12:55:14,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:55:41,309 INFO L129 PetriNetUnfolder]: 21974/160133 cut-off events. [2022-01-19 12:55:41,310 INFO L130 PetriNetUnfolder]: For 141751/152050 co-relation queries the response was YES. [2022-01-19 12:55:43,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 265430 conditions, 160133 events. 21974/160133 cut-off events. For 141751/152050 co-relation queries the response was YES. Maximal size of possible extension queue 3562. Compared 2967304 event pairs, 9165 based on Foata normal form. 1457/147745 useless extension candidates. Maximal degree in co-relation 265388. Up to 10268 conditions per place. [2022-01-19 12:55:44,047 INFO L132 encePairwiseOnDemand]: 320/350 looper letters, 658 selfloop transitions, 147 changer transitions 12/1048 dead transitions. [2022-01-19 12:55:44,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 1048 transitions, 8120 flow [2022-01-19 12:55:44,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-01-19 12:55:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2022-01-19 12:55:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 17516 transitions. [2022-01-19 12:55:44,057 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6950793650793651 [2022-01-19 12:55:44,057 INFO L72 ComplementDD]: Start complementDD. Operand 72 states and 17516 transitions. [2022-01-19 12:55:44,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 17516 transitions. [2022-01-19 12:55:44,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:55:44,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 72 states and 17516 transitions. [2022-01-19 12:55:44,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 73 states, 72 states have (on average 243.27777777777777) internal successors, (17516), 72 states have internal predecessors, (17516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:44,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 73 states, 73 states have (on average 350.0) internal successors, (25550), 73 states have internal predecessors, (25550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:44,092 INFO L81 ComplementDD]: Finished complementDD. Result has 73 states, 73 states have (on average 350.0) internal successors, (25550), 73 states have internal predecessors, (25550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:44,092 INFO L186 Difference]: Start difference. First operand has 414 places, 412 transitions, 1841 flow. Second operand 72 states and 17516 transitions. [2022-01-19 12:55:44,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 1048 transitions, 8120 flow [2022-01-19 12:55:44,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 1048 transitions, 7972 flow, removed 53 selfloop flow, removed 3 redundant places. [2022-01-19 12:55:44,488 INFO L242 Difference]: Finished difference. Result has 495 places, 525 transitions, 3088 flow [2022-01-19 12:55:44,489 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=1812, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=72, PETRI_FLOW=3088, PETRI_PLACES=495, PETRI_TRANSITIONS=525} [2022-01-19 12:55:44,489 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 177 predicate places. [2022-01-19 12:55:44,489 INFO L470 AbstractCegarLoop]: Abstraction has has 495 places, 525 transitions, 3088 flow [2022-01-19 12:55:44,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 242.6) internal successors, (9704), 40 states have internal predecessors, (9704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:44,490 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:55:44,490 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, 1, 1, 1] [2022-01-19 12:55:44,510 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 12:55:44,694 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,SelfDestructingSolverStorable11 [2022-01-19 12:55:44,695 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 12:55:44,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:55:44,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1731982178, now seen corresponding path program 1 times [2022-01-19 12:55:44,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:55:44,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175955074] [2022-01-19 12:55:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:55:44,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:55:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:55:44,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-19 12:55:44,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:55:44,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175955074] [2022-01-19 12:55:44,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175955074] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:55:44,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:55:44,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 12:55:44,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630554411] [2022-01-19 12:55:44,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:55:44,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 12:55:44,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:55:44,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 12:55:44,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-19 12:55:44,762 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 350 [2022-01-19 12:55:44,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 525 transitions, 3088 flow. Second operand has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:55:44,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:55:44,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 350 [2022-01-19 12:55:44,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:55:58,454 INFO L129 PetriNetUnfolder]: 10156/72514 cut-off events. [2022-01-19 12:55:58,454 INFO L130 PetriNetUnfolder]: For 53195/54915 co-relation queries the response was YES. [2022-01-19 12:56:00,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122022 conditions, 72514 events. 10156/72514 cut-off events. For 53195/54915 co-relation queries the response was YES. Maximal size of possible extension queue 1615. Compared 1189859 event pairs, 6076 based on Foata normal form. 907/66943 useless extension candidates. Maximal degree in co-relation 121967. Up to 13972 conditions per place. [2022-01-19 12:56:00,287 INFO L132 encePairwiseOnDemand]: 339/350 looper letters, 144 selfloop transitions, 25 changer transitions 77/550 dead transitions. [2022-01-19 12:56:00,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 550 transitions, 3656 flow [2022-01-19 12:56:00,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 12:56:00,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 12:56:00,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2822 transitions. [2022-01-19 12:56:00,289 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8062857142857143 [2022-01-19 12:56:00,289 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2822 transitions. [2022-01-19 12:56:00,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2822 transitions. [2022-01-19 12:56:00,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:56:00,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2822 transitions. [2022-01-19 12:56:00,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 282.2) internal successors, (2822), 10 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:00,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 350.0) internal successors, (3850), 11 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:00,294 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 350.0) internal successors, (3850), 11 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:00,294 INFO L186 Difference]: Start difference. First operand has 495 places, 525 transitions, 3088 flow. Second operand 10 states and 2822 transitions. [2022-01-19 12:56:00,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 550 transitions, 3656 flow [2022-01-19 12:56:00,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 550 transitions, 3547 flow, removed 45 selfloop flow, removed 11 redundant places. [2022-01-19 12:56:00,484 INFO L242 Difference]: Finished difference. Result has 486 places, 472 transitions, 2494 flow [2022-01-19 12:56:00,485 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=2807, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2494, PETRI_PLACES=486, PETRI_TRANSITIONS=472} [2022-01-19 12:56:00,485 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 168 predicate places. [2022-01-19 12:56:00,485 INFO L470 AbstractCegarLoop]: Abstraction has has 486 places, 472 transitions, 2494 flow [2022-01-19 12:56:00,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:00,486 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:56:00,486 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:56:00,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-19 12:56:00,486 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 12:56:00,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:56:00,486 INFO L85 PathProgramCache]: Analyzing trace with hash -779115575, now seen corresponding path program 1 times [2022-01-19 12:56:00,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:56:00,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842718087] [2022-01-19 12:56:00,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:56:00,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:56:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:56:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-19 12:56:00,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:56:00,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842718087] [2022-01-19 12:56:00,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842718087] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:56:00,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:56:00,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 12:56:00,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179148514] [2022-01-19 12:56:00,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:56:00,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 12:56:00,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:56:00,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 12:56:00,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-19 12:56:00,539 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 350 [2022-01-19 12:56:00,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 472 transitions, 2494 flow. Second operand has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:00,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:56:00,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 350 [2022-01-19 12:56:00,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:56:09,935 INFO L129 PetriNetUnfolder]: 9695/54623 cut-off events. [2022-01-19 12:56:09,935 INFO L130 PetriNetUnfolder]: For 44119/45031 co-relation queries the response was YES. [2022-01-19 12:56:10,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94309 conditions, 54623 events. 9695/54623 cut-off events. For 44119/45031 co-relation queries the response was YES. Maximal size of possible extension queue 1843. Compared 850959 event pairs, 6162 based on Foata normal form. 951/49778 useless extension candidates. Maximal degree in co-relation 94260. Up to 12696 conditions per place. [2022-01-19 12:56:10,910 INFO L132 encePairwiseOnDemand]: 341/350 looper letters, 136 selfloop transitions, 17 changer transitions 34/490 dead transitions. [2022-01-19 12:56:10,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 490 transitions, 2977 flow [2022-01-19 12:56:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 12:56:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 12:56:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2264 transitions. [2022-01-19 12:56:10,929 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8085714285714286 [2022-01-19 12:56:10,929 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2264 transitions. [2022-01-19 12:56:10,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2264 transitions. [2022-01-19 12:56:10,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:56:10,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2264 transitions. [2022-01-19 12:56:10,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 283.0) internal successors, (2264), 8 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:10,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 350.0) internal successors, (3150), 9 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:10,936 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 350.0) internal successors, (3150), 9 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:10,936 INFO L186 Difference]: Start difference. First operand has 486 places, 472 transitions, 2494 flow. Second operand 8 states and 2264 transitions. [2022-01-19 12:56:10,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 490 transitions, 2977 flow [2022-01-19 12:56:11,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 490 transitions, 2784 flow, removed 16 selfloop flow, removed 21 redundant places. [2022-01-19 12:56:11,125 INFO L242 Difference]: Finished difference. Result has 457 places, 454 transitions, 2214 flow [2022-01-19 12:56:11,126 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=2270, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2214, PETRI_PLACES=457, PETRI_TRANSITIONS=454} [2022-01-19 12:56:11,127 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 139 predicate places. [2022-01-19 12:56:11,127 INFO L470 AbstractCegarLoop]: Abstraction has has 457 places, 454 transitions, 2214 flow [2022-01-19 12:56:11,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:11,127 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:56:11,128 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:56:11,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-19 12:56:11,128 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 12:56:11,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:56:11,128 INFO L85 PathProgramCache]: Analyzing trace with hash 890640825, now seen corresponding path program 5 times [2022-01-19 12:56:11,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:56:11,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332512156] [2022-01-19 12:56:11,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:56:11,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:56:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:56:11,388 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-19 12:56:11,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:56:11,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332512156] [2022-01-19 12:56:11,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332512156] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 12:56:11,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588877495] [2022-01-19 12:56:11,388 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-19 12:56:11,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:56:11,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:56:11,389 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 12:56:11,390 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 12:56:11,510 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-01-19 12:56:11,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 12:56:11,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 20 conjunts are in the unsatisfiable core [2022-01-19 12:56:11,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 12:56:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-19 12:56:12,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 12:56:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-19 12:56:12,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588877495] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 12:56:12,749 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 12:56:12,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-01-19 12:56:12,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084751310] [2022-01-19 12:56:12,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 12:56:12,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-01-19 12:56:12,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:56:12,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-01-19 12:56:12,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=1935, Unknown=0, NotChecked=0, Total=2256 [2022-01-19 12:56:12,754 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 350 [2022-01-19 12:56:12,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 454 transitions, 2214 flow. Second operand has 48 states, 48 states have (on average 236.58333333333334) internal successors, (11356), 48 states have internal predecessors, (11356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:12,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:56:12,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 350 [2022-01-19 12:56:12,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:56:52,314 INFO L129 PetriNetUnfolder]: 35189/208551 cut-off events. [2022-01-19 12:56:52,314 INFO L130 PetriNetUnfolder]: For 130088/138668 co-relation queries the response was YES. [2022-01-19 12:56:55,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 345613 conditions, 208551 events. 35189/208551 cut-off events. For 130088/138668 co-relation queries the response was YES. Maximal size of possible extension queue 4481. Compared 3834585 event pairs, 14550 based on Foata normal form. 2984/192665 useless extension candidates. Maximal degree in co-relation 345572. Up to 8921 conditions per place. [2022-01-19 12:56:55,830 INFO L132 encePairwiseOnDemand]: 315/350 looper letters, 842 selfloop transitions, 220 changer transitions 36/1346 dead transitions. [2022-01-19 12:56:55,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 1346 transitions, 8923 flow [2022-01-19 12:56:55,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-01-19 12:56:55,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2022-01-19 12:56:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 27419 transitions. [2022-01-19 12:56:55,871 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6812173913043478 [2022-01-19 12:56:55,871 INFO L72 ComplementDD]: Start complementDD. Operand 115 states and 27419 transitions. [2022-01-19 12:56:55,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 27419 transitions. [2022-01-19 12:56:55,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:56:55,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 115 states and 27419 transitions. [2022-01-19 12:56:55,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 116 states, 115 states have (on average 238.42608695652174) internal successors, (27419), 115 states have internal predecessors, (27419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:55,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 116 states, 116 states have (on average 350.0) internal successors, (40600), 116 states have internal predecessors, (40600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:55,936 INFO L81 ComplementDD]: Finished complementDD. Result has 116 states, 116 states have (on average 350.0) internal successors, (40600), 116 states have internal predecessors, (40600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:55,936 INFO L186 Difference]: Start difference. First operand has 457 places, 454 transitions, 2214 flow. Second operand 115 states and 27419 transitions. [2022-01-19 12:56:55,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 1346 transitions, 8923 flow [2022-01-19 12:56:56,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 1346 transitions, 8579 flow, removed 96 selfloop flow, removed 10 redundant places. [2022-01-19 12:56:56,209 INFO L242 Difference]: Finished difference. Result has 612 places, 632 transitions, 4085 flow [2022-01-19 12:56:56,209 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=115, PETRI_FLOW=4085, PETRI_PLACES=612, PETRI_TRANSITIONS=632} [2022-01-19 12:56:56,210 INFO L334 CegarLoopForPetriNet]: 318 programPoint places, 294 predicate places. [2022-01-19 12:56:56,210 INFO L470 AbstractCegarLoop]: Abstraction has has 612 places, 632 transitions, 4085 flow [2022-01-19 12:56:56,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 236.58333333333334) internal successors, (11356), 48 states have internal predecessors, (11356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:56:56,211 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:56:56,211 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:56:56,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-19 12:56:56,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-01-19 12:56:56,418 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 12:56:56,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:56:56,418 INFO L85 PathProgramCache]: Analyzing trace with hash 286611363, now seen corresponding path program 1 times [2022-01-19 12:56:56,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:56:56,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21798705] [2022-01-19 12:56:56,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:56:56,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:56:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:56:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-19 12:56:57,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:56:57,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21798705] [2022-01-19 12:56:57,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21798705] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 12:56:57,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434677628] [2022-01-19 12:56:57,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:56:57,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 12:56:57,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:56:57,046 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 12:56:57,049 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 12:56:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:56:57,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 83 conjunts are in the unsatisfiable core [2022-01-19 12:56:57,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 12:56:57,382 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 12:56:57,493 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-19 12:56:57,765 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-19 12:56:57,766 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-19 12:56:57,890 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 12:56:57,973 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 12:56:58,346 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-19 12:56:58,347 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-01-19 12:56:58,474 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 12:56:58,710 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 12:56:58,782 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 12:56:58,841 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 12:56:59,753 INFO L353 Elim1Store]: treesize reduction 14, result has 57.6 percent of original size [2022-01-19 12:56:59,754 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2022-01-19 12:56:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-19 12:56:59,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 12:57:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-19 12:57:03,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434677628] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 12:57:03,599 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 12:57:03,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 37, 13] total 75 [2022-01-19 12:57:03,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222542256] [2022-01-19 12:57:03,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 12:57:03,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-01-19 12:57:03,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:57:03,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-01-19 12:57:03,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=5232, Unknown=4, NotChecked=0, Total=5550 [2022-01-19 12:57:03,606 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 350 [2022-01-19 12:57:03,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 632 transitions, 4085 flow. Second operand has 75 states, 75 states have (on average 212.49333333333334) internal successors, (15937), 75 states have internal predecessors, (15937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:57:03,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:57:03,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 350 [2022-01-19 12:57:03,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:57:11,715 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.base| 1)) (.cse1 (+ |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1)) (.cse7 (+ c_~a1~0.base 1))) (and (forall ((~a2~0.base Int)) (or (= |c_thread1Thread1of1ForFork1_#t~mem1#1| (select (select |c_#memory_int| ~a2~0.base) (+ (* |c_thread1Thread1of1ForFork1_~i~0#1| 4) c_~a2~0.offset))) (forall ((~a3~0.base Int)) (let ((.cse0 (select (select |c_#memory_int| ~a3~0.base) c_~a3~0.offset))) (or (not (= .cse0 (select (select |c_#memory_int| ~a2~0.base) c_~a2~0.offset))) (not (= .cse0 (select (select |c_#memory_int| c_~a1~0.base) c_~a1~0.offset)))))))) (= (select |c_#valid| c_~a1~0.base) 1) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t2~0#1.base|) (< .cse1 |c_ULTIMATE.start_main_~#t3~0#1.base|) (= |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 0) (< .cse1 |c_ULTIMATE.start_main_~#t1~0#1.base|) (= (select |c_#valid| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) 1) (< .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base|) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t3~0#1.base|) (= c_~a2~0.offset 0) (not (= c_~a1~0.base |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (= c_~a3~0.offset 0) (forall ((~a3~0.base Int) (~a2~0.base Int)) (let ((.cse5 (select |c_#memory_int| ~a2~0.base)) (.cse6 (select (select |c_#memory_int| ~a3~0.base) c_~a3~0.offset)) (.cse3 (select |c_#memory_int| c_~a1~0.base))) (or (let ((.cse4 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4))) (= (select .cse3 (+ .cse4 c_~a1~0.offset)) (select .cse5 (+ .cse4 c_~a2~0.offset)))) (not (= .cse6 (select .cse5 c_~a2~0.offset))) (not (= .cse6 (select .cse3 c_~a1~0.offset)))))) (< .cse7 |c_ULTIMATE.start_main_~#t3~0#1.base|) (< .cse2 |c_ULTIMATE.start_main_~#t1~0#1.base|) (< .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base|) (< .cse7 |c_ULTIMATE.start_main_~#t2~0#1.base|) (= 0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (< .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base|) (< .cse7 |c_ULTIMATE.start_main_~#t1~0#1.base|) (= (select |c_#valid| |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) 1) (= c_~a1~0.offset 0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t1~0#1.base|))) is different from false